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StereoDisplayRegion

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This commit is contained in:
David Rose 2009-02-20 20:55:15 +00:00
parent c0b420a74a
commit cd48a64f86
30 changed files with 1168 additions and 555 deletions
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3
panda/src/display/Sources.pp
View File

@ -33,6 +33,7 @@
windowProperties.I windowProperties.h \ windowProperties.I windowProperties.h \
renderBuffer.h \ renderBuffer.h \
stencilRenderStates.h \ stencilRenderStates.h \
stereoDisplayRegion.I stereoDisplayRegion.h \
displaySearchParameters.h \ displaySearchParameters.h \
displayInformation.h displayInformation.h
@ -55,6 +56,7 @@
windowProperties.cxx \ windowProperties.cxx \
lru.cxx \ lru.cxx \
stencilRenderStates.cxx \ stencilRenderStates.cxx \
stereoDisplayRegion.cxx \
displaySearchParameters.cxx \ displaySearchParameters.cxx \
displayInformation.cxx displayInformation.cxx
@ -80,6 +82,7 @@
windowProperties.I windowProperties.h \ windowProperties.I windowProperties.h \
renderBuffer.h \ renderBuffer.h \
stencilRenderStates.h \ stencilRenderStates.h \
stereoDisplayRegion.I stereoDisplayRegion.h \
displaySearchParameters.h \ displaySearchParameters.h \
displayInformation.h displayInformation.h

10
panda/src/display/config_display.cxx
View File

@ -24,6 +24,7 @@
#include "graphicsDevice.h" #include "graphicsDevice.h"
#include "parasiteBuffer.h" #include "parasiteBuffer.h"
#include "pandaSystem.h" #include "pandaSystem.h"
#include "stereoDisplayRegion.h"
ConfigureDef(config_display); ConfigureDef(config_display);
NotifyCategoryDef(display, ""); NotifyCategoryDef(display, "");
@ -197,6 +198,14 @@ ConfigVariableString red_blue_stereo_colors
"'green', 'cyan', 'magenta', 'yellow', or 'alpha', or a union " "'green', 'cyan', 'magenta', 'yellow', or 'alpha', or a union "
"of two or more words separated by a vertical pipe (|).")); "of two or more words separated by a vertical pipe (|)."));
ConfigVariableBool default_stereo_camera
("default-stereo-camera", true,
PRC_DESC("When this is true, the default DisplayRegion created for "
"a window or buffer with the stereo property will be a "
"StereoDisplayRegion, which activates the stereo properties of "
"the camera lens, and enables stereo. Set this false to "
"require StereoDisplayRegions to be created explicitly."));
ConfigVariableBool color_scale_via_lighting ConfigVariableBool color_scale_via_lighting
("color-scale-via-lighting", true, ("color-scale-via-lighting", true,
PRC_DESC("When this is true, Panda will try to implement ColorAttribs and " PRC_DESC("When this is true, Panda will try to implement ColorAttribs and "
@ -369,6 +378,7 @@ init_libdisplay() {
GraphicsWindow::init_type(); GraphicsWindow::init_type();
ParasiteBuffer::init_type(); ParasiteBuffer::init_type();
StandardMunger::init_type(); StandardMunger::init_type();
StereoDisplayRegion::init_type();
#if defined(HAVE_THREADS) && defined(DO_PIPELINING) #if defined(HAVE_THREADS) && defined(DO_PIPELINING)
PandaSystem *ps = PandaSystem::get_global_ptr(); PandaSystem *ps = PandaSystem::get_global_ptr();

1
panda/src/display/config_display.h
View File

@ -57,6 +57,7 @@ extern EXPCL_PANDA_DISPLAY ConfigVariableBool copy_texture_inverted;
extern EXPCL_PANDA_DISPLAY ConfigVariableBool window_inverted; extern EXPCL_PANDA_DISPLAY ConfigVariableBool window_inverted;
extern EXPCL_PANDA_DISPLAY ConfigVariableBool red_blue_stereo; extern EXPCL_PANDA_DISPLAY ConfigVariableBool red_blue_stereo;
extern EXPCL_PANDA_DISPLAY ConfigVariableString red_blue_stereo_colors; extern EXPCL_PANDA_DISPLAY ConfigVariableString red_blue_stereo_colors;
extern EXPCL_PANDA_DISPLAY ConfigVariableBool default_stereo_camera;
extern EXPCL_PANDA_DISPLAY ConfigVariableBool color_scale_via_lighting; extern EXPCL_PANDA_DISPLAY ConfigVariableBool color_scale_via_lighting;
extern EXPCL_PANDA_DISPLAY ConfigVariableBool alpha_scale_via_texture; extern EXPCL_PANDA_DISPLAY ConfigVariableBool alpha_scale_via_texture;
extern EXPCL_PANDA_DISPLAY ConfigVariableBool allow_incomplete_render; extern EXPCL_PANDA_DISPLAY ConfigVariableBool allow_incomplete_render;

223
panda/src/display/displayRegion.I
View File

@ -155,63 +155,9 @@ get_stereo_channel() {
return cdata->_stereo_channel; return cdata->_stereo_channel;
} }
////////////////////////////////////////////////////////////////////
// Function: DisplayRegion::set_clear_depth_between_eyes
// Access: Published
// Description: Specifies whether the depth buffer is cleared again
// between the left and right eyes of a stereo
// DisplayRegion. This has an effect only when
// get_stereo_channel() returns Lens::SC_stereo; other
// kinds of DisplayRegions are monocular and do not
// render two different eyes.
//
// Normally, you want this to be true, since if you're
// using a depth buffer you normally need to clear it
// between the left and right eyes.
////////////////////////////////////////////////////////////////////
INLINE void DisplayRegion::
set_clear_depth_between_eyes(bool clear_depth_between_eyes) {
_clear_depth_between_eyes = clear_depth_between_eyes;
}
////////////////////////////////////////////////////////////////////
// Function: DisplayRegion::get_clear_depth_between_eyes
// Access: Published
// Description: Returns whether the depth buffer is cleared again
// between the left and right eyes of a stereo
// DisplayRegion. See set_clear_depth_between_eyes().
////////////////////////////////////////////////////////////////////
INLINE bool DisplayRegion::
get_clear_depth_between_eyes() const {
return _clear_depth_between_eyes;
}
////////////////////////////////////////////////////////////////////
// Function: DisplayRegion::set_incomplete_render
// Access: Public
// Description: Sets the incomplete_render flag. When this is
// true, the frame will be rendered even if some of the
// geometry or textures in the scene are not available
// (e.g. they have been temporarily paged out). When
// this is false, the frame will be held up while this
// data is reloaded.
//
// This flag may also be set on the
// GraphicsStateGuardian. It will be considered true
// for a given DisplayRegion only if it is true on both
// the GSG and on the DisplayRegion.
//
// See GraphicsStateGuardian::set_incomplete_render()
// for more detail.
////////////////////////////////////////////////////////////////////
INLINE void DisplayRegion::
set_incomplete_render(bool incomplete_render) {
_incomplete_render = incomplete_render;
}
//////////////////////////////////////////////////////////////////// ////////////////////////////////////////////////////////////////////
// Function: DisplayRegion::get_incomplete_render // Function: DisplayRegion::get_incomplete_render
// Access: Public, Virtual // Access: Published
// Description: Returns the incomplete_render flag. See // Description: Returns the incomplete_render flag. See
// set_incomplete_render(). // set_incomplete_render().
//////////////////////////////////////////////////////////////////// ////////////////////////////////////////////////////////////////////
@ -220,28 +166,6 @@ get_incomplete_render() const {
return _incomplete_render; return _incomplete_render;
} }
////////////////////////////////////////////////////////////////////
// Function: DisplayRegion::set_texture_reload_priority
// Access: Published
// Description: Specifies an integer priority which is assigned to
// any asynchronous texture reload requests spawned
// while processing this DisplayRegion. This controls
// which textures are loaded first when multiple
// textures need to be reloaded at once; it also
// controls the relative priority between asynchronous
// texture loads and asynchronous model or animation
// loads.
//
// Specifying a larger number here makes the textures
// rendered by this DisplayRegion load up first. This
// may be particularly useful to do, for instance, for
// the DisplayRegion that renders the gui.
////////////////////////////////////////////////////////////////////
INLINE void DisplayRegion::
set_texture_reload_priority(int texture_reload_priority) {
_texture_reload_priority = texture_reload_priority;
}
//////////////////////////////////////////////////////////////////// ////////////////////////////////////////////////////////////////////
// Function: DisplayRegion::get_texture_reload_priority // Function: DisplayRegion::get_texture_reload_priority
// Access: Published // Access: Published
@ -254,38 +178,6 @@ get_texture_reload_priority() const {
return _texture_reload_priority; return _texture_reload_priority;
} }
////////////////////////////////////////////////////////////////////
// Function: DisplayRegion::set_cull_traverser
// Access: Published
// Description: Specifies the CullTraverser that will be used to draw
// the contents of this DisplayRegion. Normally the
// default CullTraverser is sufficient, but this may be
// changed to change the default cull behavior.
////////////////////////////////////////////////////////////////////
INLINE void DisplayRegion::
set_cull_traverser(CullTraverser *trav) {
_trav = trav;
}
////////////////////////////////////////////////////////////////////
// Function: DisplayRegion::set_cube_map_index
// Access: Published
// Description: This is a special parameter that is only used when
// rendering the faces of a cube map. Normally you
// should not need to set it directly. This sets up the
// DisplayRegion to render to the nth cube map face; the
// value must be between 0 and 5, inclusive. A normal
// DisplayRegion that is not associated with any
// particular cube map should be set to -1.
////////////////////////////////////////////////////////////////////
INLINE void DisplayRegion::
set_cube_map_index(int cube_map_index) {
int pipeline_stage = Thread::get_current_pipeline_stage();
nassertv(pipeline_stage == 0);
CDWriter cdata(_cycler);
cdata->_cube_map_index = cube_map_index;
}
//////////////////////////////////////////////////////////////////// ////////////////////////////////////////////////////////////////////
// Function: DisplayRegion::get_cube_map_index // Function: DisplayRegion::get_cube_map_index
// Access: Published // Access: Published
@ -300,54 +192,6 @@ get_cube_map_index() const {
return cdata->_cube_map_index; return cdata->_cube_map_index;
} }
////////////////////////////////////////////////////////////////////
// Function: DisplayRegion::get_pixels
// Access: Published
// Description: Retrieves the coordinates of the DisplayRegion within
// its window, in pixels.
////////////////////////////////////////////////////////////////////
INLINE void DisplayRegion::
get_pixels(int &pl, int &pr, int &pb, int &pt) const {
CDReader cdata(_cycler);
pl = cdata->_pl;
pr = cdata->_pr;
pb = cdata->_pb;
pt = cdata->_pt;
}
////////////////////////////////////////////////////////////////////
// Function: DisplayRegion::get_region_pixels
// Access: Published
// Description: Retrieves the coordinates of the DisplayRegion within
// its window, as the pixel location of its bottom-left
// corner, along with a pixel width and height.
////////////////////////////////////////////////////////////////////
INLINE void DisplayRegion::
get_region_pixels(int &xo, int &yo, int &w, int &h) const {
CDReader cdata(_cycler);
xo = cdata->_pl;
yo = cdata->_pb;
w = cdata->_pr - cdata->_pl;
h = cdata->_pt - cdata->_pb;
}
////////////////////////////////////////////////////////////////////
// Function: DisplayRegion::get_region_pixels_i
// Access: Published
// Description: Similar to get_region_pixels(), but returns the upper
// left corner, and the pixel numbers are numbered from
// the top-left corner down, in the DirectX way of
// things.
////////////////////////////////////////////////////////////////////
INLINE void DisplayRegion::
get_region_pixels_i(int &xo, int &yo, int &w, int &h) const {
CDReader cdata(_cycler);
xo = cdata->_pl;
yo = cdata->_pti;
w = cdata->_pr - cdata->_pl;
h = cdata->_pbi - cdata->_pti;
}
//////////////////////////////////////////////////////////////////// ////////////////////////////////////////////////////////////////////
// Function: DisplayRegion::get_pixel_width // Function: DisplayRegion::get_pixel_width
// Access: Published // Access: Published
@ -370,6 +214,54 @@ get_pixel_height() const {
return cdata->_pt - cdata->_pb; return cdata->_pt - cdata->_pb;
} }
////////////////////////////////////////////////////////////////////
// Function: DisplayRegion::get_pixels
// Access: Public
// Description: Retrieves the coordinates of the DisplayRegion within
// its window, in pixels.
////////////////////////////////////////////////////////////////////
INLINE void DisplayRegion::
get_pixels(int &pl, int &pr, int &pb, int &pt) const {
CDReader cdata(_cycler);
pl = cdata->_pl;
pr = cdata->_pr;
pb = cdata->_pb;
pt = cdata->_pt;
}
////////////////////////////////////////////////////////////////////
// Function: DisplayRegion::get_region_pixels
// Access: Public
// Description: Retrieves the coordinates of the DisplayRegion within
// its window, as the pixel location of its bottom-left
// corner, along with a pixel width and height.
////////////////////////////////////////////////////////////////////
INLINE void DisplayRegion::
get_region_pixels(int &xo, int &yo, int &w, int &h) const {
CDReader cdata(_cycler);
xo = cdata->_pl;
yo = cdata->_pb;
w = cdata->_pr - cdata->_pl;
h = cdata->_pt - cdata->_pb;
}
////////////////////////////////////////////////////////////////////
// Function: DisplayRegion::get_region_pixels_i
// Access: Public
// Description: Similar to get_region_pixels(), but returns the upper
// left corner, and the pixel numbers are numbered from
// the top-left corner down, in the DirectX way of
// things.
////////////////////////////////////////////////////////////////////
INLINE void DisplayRegion::
get_region_pixels_i(int &xo, int &yo, int &w, int &h) const {
CDReader cdata(_cycler);
xo = cdata->_pl;
yo = cdata->_pti;
w = cdata->_pr - cdata->_pl;
h = cdata->_pbi - cdata->_pti;
}
//////////////////////////////////////////////////////////////////// ////////////////////////////////////////////////////////////////////
// Function: DisplayRegion::set_cull_result // Function: DisplayRegion::set_cull_result
// Access: Public // Access: Public
@ -674,18 +566,6 @@ get_stereo_channel() {
return _cdata->_stereo_channel; return _cdata->_stereo_channel;
} }
////////////////////////////////////////////////////////////////////
// Function: DisplayRegionPipelineReader::get_clear_depth_between_eyes
// Access: Public
// Description: Returns whether the depth buffer is cleared again
// between the left and right eyes of a stereo
// DisplayRegion. See set_clear_depth_between_eyes().
////////////////////////////////////////////////////////////////////
INLINE bool DisplayRegionPipelineReader::
get_clear_depth_between_eyes() const {
return _object->_clear_depth_between_eyes;
}
//////////////////////////////////////////////////////////////////// ////////////////////////////////////////////////////////////////////
// Function: DisplayRegionPipelineReader::get_cube_map_index // Function: DisplayRegionPipelineReader::get_cube_map_index
// Access: Public // Access: Public
@ -763,8 +643,3 @@ INLINE int DisplayRegionPipelineReader::
get_pixel_height() const { get_pixel_height() const {
return _cdata->_pt - _cdata->_pb; return _cdata->_pt - _cdata->_pb;
} }
INLINE ostream &operator << (ostream &out, const DisplayRegion &dr) {
dr.output(out);
return out;
}

290
panda/src/display/displayRegion.cxx
View File

@ -13,6 +13,7 @@
//////////////////////////////////////////////////////////////////// ////////////////////////////////////////////////////////////////////
#include "displayRegion.h" #include "displayRegion.h"
#include "stereoDisplayRegion.h"
#include "graphicsOutput.h" #include "graphicsOutput.h"
#include "config_display.h" #include "config_display.h"
#include "texture.h" #include "texture.h"
@ -25,32 +26,12 @@ TypeHandle DisplayRegionPipelineReader::_type_handle;
//////////////////////////////////////////////////////////////////// ////////////////////////////////////////////////////////////////////
// Function: DisplayRegion::Constructor // Function: DisplayRegion::Constructor
// Access: Public // Access: Protected
// Description:
////////////////////////////////////////////////////////////////////
DisplayRegion::
DisplayRegion(GraphicsOutput *window) :
_window(window),
_clear_depth_between_eyes(true),
_incomplete_render(true),
_texture_reload_priority(0),
_cull_region_pcollector("Cull:Invalid"),
_draw_region_pcollector("Draw:Invalid")
{
_screenshot_buffer_type = window->get_draw_buffer_type();
_draw_buffer_type = window->get_draw_buffer_type();
compute_pixels_all_stages();
}
////////////////////////////////////////////////////////////////////
// Function: DisplayRegion::Constructor
// Access: Public
// Description: // Description:
//////////////////////////////////////////////////////////////////// ////////////////////////////////////////////////////////////////////
DisplayRegion:: DisplayRegion::
DisplayRegion(GraphicsOutput *window, float l, float r, float b, float t) : DisplayRegion(GraphicsOutput *window, float l, float r, float b, float t) :
_window(window), _window(window),
_clear_depth_between_eyes(true),
_incomplete_render(true), _incomplete_render(true),
_texture_reload_priority(0), _texture_reload_priority(0),
_cull_region_pcollector("Cull:Invalid"), _cull_region_pcollector("Cull:Invalid"),
@ -68,11 +49,11 @@ DisplayRegion(GraphicsOutput *window, float l, float r, float b, float t) :
// Description: // Description:
//////////////////////////////////////////////////////////////////// ////////////////////////////////////////////////////////////////////
DisplayRegion:: DisplayRegion::
DisplayRegion(const DisplayRegion &) : DisplayRegion(const DisplayRegion &copy) :
_window(NULL),
_cull_region_pcollector("Cull:Invalid"), _cull_region_pcollector("Cull:Invalid"),
_draw_region_pcollector("Draw:Invalid") _draw_region_pcollector("Draw:Invalid")
{ {
nassertv(false);
} }
//////////////////////////////////////////////////////////////////// ////////////////////////////////////////////////////////////////////
@ -117,7 +98,7 @@ cleanup() {
//////////////////////////////////////////////////////////////////// ////////////////////////////////////////////////////////////////////
// Function: DisplayRegion::set_dimensions // Function: DisplayRegion::set_dimensions
// Access: Published // Access: Published, Virtual
// Description: Changes the portion of the framebuffer this // Description: Changes the portion of the framebuffer this
// DisplayRegion corresponds to. The parameters range // DisplayRegion corresponds to. The parameters range
// from 0 to 1, where 0,0 is the lower left corner and // from 0 to 1, where 0,0 is the lower left corner and
@ -152,9 +133,20 @@ get_pipe() const {
return (_window != (GraphicsOutput *)NULL) ? _window->get_pipe() : NULL; return (_window != (GraphicsOutput *)NULL) ? _window->get_pipe() : NULL;
} }
////////////////////////////////////////////////////////////////////
// Function: DisplayRegion::is_stereo
// Access: Published, Virtual
// Description: Returns true if this is a StereoDisplayRegion, false
// otherwise.
////////////////////////////////////////////////////////////////////
bool DisplayRegion::
is_stereo() const {
return false;
}
//////////////////////////////////////////////////////////////////// ////////////////////////////////////////////////////////////////////
// Function: DisplayRegion::set_camera // Function: DisplayRegion::set_camera
// Access: Published // Access: Published, Virtual
// Description: Sets the camera that is associated with this // Description: Sets the camera that is associated with this
// DisplayRegion. There is a one-to-many association // DisplayRegion. There is a one-to-many association
// between cameras and DisplayRegions; one camera may be // between cameras and DisplayRegions; one camera may be
@ -196,7 +188,7 @@ set_camera(const NodePath &camera) {
//////////////////////////////////////////////////////////////////// ////////////////////////////////////////////////////////////////////
// Function: DisplayRegion::set_active // Function: DisplayRegion::set_active
// Access: Published // Access: Published, Virtual
// Description: Sets the active flag associated with the // Description: Sets the active flag associated with the
// DisplayRegion. If the DisplayRegion is marked // DisplayRegion. If the DisplayRegion is marked
// inactive, nothing is rendered. // inactive, nothing is rendered.
@ -216,7 +208,7 @@ set_active(bool active) {
//////////////////////////////////////////////////////////////////// ////////////////////////////////////////////////////////////////////
// Function: DisplayRegion::set_sort // Function: DisplayRegion::set_sort
// Access: Published // Access: Published, Virtual
// Description: Sets the sort value associated with the // Description: Sets the sort value associated with the
// DisplayRegion. Within a window, DisplayRegions will // DisplayRegion. Within a window, DisplayRegions will
// be rendered in order from the lowest sort value to // be rendered in order from the lowest sort value to
@ -236,17 +228,18 @@ set_sort(int sort) {
//////////////////////////////////////////////////////////////////// ////////////////////////////////////////////////////////////////////
// Function: DisplayRegion::set_stereo_channel // Function: DisplayRegion::set_stereo_channel
// Access: Published // Access: Published, Virtual
// Description: Specifies whether the DisplayRegion represents the // Description: Specifies whether the DisplayRegion represents the
// left or right channel of a stereo pair, or whether it // left or right channel of a stereo pair, or whether it
// is a normal, monocular image. See // is a normal, monocular image. This automatically
// set_stereo_channel(). // adjusts the lens that is used to render to this
// DisplayRegion to its left or right eye, according to
// the lens's stereo properties.
// //
// This controls which direction--to the left or the // When the DisplayRegion is attached to a stereo window
// right--the view from a PerspectiveLens is shifted // (one for which is_stereo() returns true), this also
// when it is used to render into this DisplayRegion. // specifies which physical channel the DisplayRegion
// Also see Lens::set_interocular_distance() and // renders to.
// Lens::set_convergence_distance().
// //
// Normally you would create at least two DisplayRegions // Normally you would create at least two DisplayRegions
// for a stereo window, one for each of the left and // for a stereo window, one for each of the left and
@ -255,19 +248,81 @@ set_sort(int sort) {
// is used to control the exact properties of the lens // is used to control the exact properties of the lens
// when it is used to render into this DisplayRegion. // when it is used to render into this DisplayRegion.
// //
// When the DisplayRegion is attached to a stereo window // Also see the StereoDisplayRegion, which automates
// (one in which FrameBufferProperties::FM_stereo is // managing a pair of left/right DisplayRegions.
// set), this also specifies which physical channel the //
// DisplayRegion renders to. // An ordinary DisplayRegion may be set to SC_mono,
// SC_left, or SC_right. You may set SC_stereo only on
// a StereoDisplayRegion.
//////////////////////////////////////////////////////////////////// ////////////////////////////////////////////////////////////////////
void DisplayRegion:: void DisplayRegion::
set_stereo_channel(Lens::StereoChannel stereo_channel) { set_stereo_channel(Lens::StereoChannel stereo_channel) {
nassertv(is_stereo() || stereo_channel != Lens::SC_stereo);
nassertv(Thread::get_current_pipeline_stage() == 0); nassertv(Thread::get_current_pipeline_stage() == 0);
CDWriter cdata(_cycler); CDWriter cdata(_cycler);
cdata->_stereo_channel = stereo_channel; cdata->_stereo_channel = stereo_channel;
} }
////////////////////////////////////////////////////////////////////
// Function: DisplayRegion::set_incomplete_render
// Access: Published, Virtual
// Description: Sets the incomplete_render flag. When this is
// true, the frame will be rendered even if some of the
// geometry or textures in the scene are not available
// (e.g. they have been temporarily paged out). When
// this is false, the frame will be held up while this
// data is reloaded.
//
// This flag may also be set on the
// GraphicsStateGuardian. It will be considered true
// for a given DisplayRegion only if it is true on both
// the GSG and on the DisplayRegion.
//
// See GraphicsStateGuardian::set_incomplete_render()
// for more detail.
////////////////////////////////////////////////////////////////////
void DisplayRegion::
set_incomplete_render(bool incomplete_render) {
_incomplete_render = incomplete_render;
}
////////////////////////////////////////////////////////////////////
// Function: DisplayRegion::set_texture_reload_priority
// Access: Published, Virtual
// Description: Specifies an integer priority which is assigned to
// any asynchronous texture reload requests spawned
// while processing this DisplayRegion. This controls
// which textures are loaded first when multiple
// textures need to be reloaded at once; it also
// controls the relative priority between asynchronous
// texture loads and asynchronous model or animation
// loads.
//
// Specifying a larger number here makes the textures
// rendered by this DisplayRegion load up first. This
// may be particularly useful to do, for instance, for
// the DisplayRegion that renders the gui.
////////////////////////////////////////////////////////////////////
void DisplayRegion::
set_texture_reload_priority(int texture_reload_priority) {
_texture_reload_priority = texture_reload_priority;
}
////////////////////////////////////////////////////////////////////
// Function: DisplayRegion::set_cull_traverser
// Access: Published, Virtual
// Description: Specifies the CullTraverser that will be used to draw
// the contents of this DisplayRegion. Normally the
// default CullTraverser is sufficient, but this may be
// changed to change the default cull behavior.
////////////////////////////////////////////////////////////////////
void DisplayRegion::
set_cull_traverser(CullTraverser *trav) {
_trav = trav;
}
//////////////////////////////////////////////////////////////////// ////////////////////////////////////////////////////////////////////
// Function: DisplayRegion::get_cull_traverser // Function: DisplayRegion::get_cull_traverser
// Access: Published // Access: Published
@ -283,82 +338,27 @@ get_cull_traverser() {
} }
//////////////////////////////////////////////////////////////////// ////////////////////////////////////////////////////////////////////
// Function: DisplayRegion::compute_pixels // Function: DisplayRegion::set_cube_map_index
// Access: Published // Access: Published, Virtual
// Description: Computes the pixel locations of the DisplayRegion // Description: This is a special parameter that is only used when
// within its window. The DisplayRegion will request // rendering the faces of a cube map. Normally you
// the size from the window. // should not need to set it directly. This sets up the
// DisplayRegion to render to the nth cube map face; the
// value must be between 0 and 5, inclusive. A normal
// DisplayRegion that is not associated with any
// particular cube map should be set to -1.
//////////////////////////////////////////////////////////////////// ////////////////////////////////////////////////////////////////////
void DisplayRegion:: void DisplayRegion::
compute_pixels() { set_cube_map_index(int cube_map_index) {
int pipeline_stage = Thread::get_current_pipeline_stage();
nassertv(pipeline_stage == 0);
if (_window != (GraphicsOutput *)NULL) {
CDWriter cdata(_cycler);
do_compute_pixels(_window->get_fb_x_size(), _window->get_fb_y_size(),
cdata);
}
}
////////////////////////////////////////////////////////////////////
// Function: DisplayRegion::compute_pixels_all_stages
// Access: Published
// Description: Computes the pixel locations of the DisplayRegion
// within its window. The DisplayRegion will request
// the size from the window.
////////////////////////////////////////////////////////////////////
void DisplayRegion::
compute_pixels_all_stages() {
int pipeline_stage = Thread::get_current_pipeline_stage();
nassertv(pipeline_stage == 0);
if (_window != (GraphicsOutput *)NULL) {
OPEN_ITERATE_ALL_STAGES(_cycler) {
CDStageWriter cdata(_cycler, pipeline_stage);
do_compute_pixels(_window->get_fb_x_size(), _window->get_fb_y_size(),
cdata);
}
CLOSE_ITERATE_ALL_STAGES(_cycler);
}
}
////////////////////////////////////////////////////////////////////
// Function: DisplayRegion::compute_pixels
// Access: Published
// Description: Computes the pixel locations of the DisplayRegion
// within its window, given the size of the window in
// pixels.
////////////////////////////////////////////////////////////////////
void DisplayRegion::
compute_pixels(int x_size, int y_size) {
int pipeline_stage = Thread::get_current_pipeline_stage(); int pipeline_stage = Thread::get_current_pipeline_stage();
nassertv(pipeline_stage == 0); nassertv(pipeline_stage == 0);
CDWriter cdata(_cycler); CDWriter cdata(_cycler);
do_compute_pixels(x_size, y_size, cdata); cdata->_cube_map_index = cube_map_index;
}
////////////////////////////////////////////////////////////////////
// Function: DisplayRegion::compute_pixels_all_stages
// Access: Published
// Description: Performs a compute_pixels() operation for all stages
// of the pipeline. This is appropriate, for instance,
// when a window changes sizes, since this is a global
// operation; and you want the new window size to be
// immediately available even to the downstream stages.
////////////////////////////////////////////////////////////////////
void DisplayRegion::
compute_pixels_all_stages(int x_size, int y_size) {
OPEN_ITERATE_ALL_STAGES(_cycler) {
CDStageWriter cdata(_cycler, pipeline_stage);
do_compute_pixels(x_size, y_size, cdata);
}
CLOSE_ITERATE_ALL_STAGES(_cycler);
} }
//////////////////////////////////////////////////////////////////// ////////////////////////////////////////////////////////////////////
// Function: DisplayRegion::output // Function: DisplayRegion::output
// Access: Published // Access: Published, Virtual
// Description: // Description:
//////////////////////////////////////////////////////////////////// ////////////////////////////////////////////////////////////////////
void DisplayRegion:: void DisplayRegion::
@ -526,7 +526,7 @@ get_screenshot(PNMImage &image) {
//////////////////////////////////////////////////////////////////// ////////////////////////////////////////////////////////////////////
// Function: DisplayRegion::make_cull_result_graph // Function: DisplayRegion::make_cull_result_graph
// Access: Public // Access: Published
// Description: Returns a special scene graph constructed to // Description: Returns a special scene graph constructed to
// represent the results of the last frame's cull // represent the results of the last frame's cull
// operation. // operation.
@ -554,9 +554,83 @@ make_cull_result_graph() {
return cull_result->make_result_graph(); return cull_result->make_result_graph();
} }
////////////////////////////////////////////////////////////////////
// Function: DisplayRegion::compute_pixels
// Access: Public
// Description: Computes the pixel locations of the DisplayRegion
// within its window. The DisplayRegion will request
// the size from the window.
////////////////////////////////////////////////////////////////////
void DisplayRegion::
compute_pixels() {
int pipeline_stage = Thread::get_current_pipeline_stage();
nassertv(pipeline_stage == 0);
if (_window != (GraphicsOutput *)NULL) {
CDWriter cdata(_cycler);
do_compute_pixels(_window->get_fb_x_size(), _window->get_fb_y_size(),
cdata);
}
}
////////////////////////////////////////////////////////////////////
// Function: DisplayRegion::compute_pixels_all_stages
// Access: Public
// Description: Computes the pixel locations of the DisplayRegion
// within its window. The DisplayRegion will request
// the size from the window.
////////////////////////////////////////////////////////////////////
void DisplayRegion::
compute_pixels_all_stages() {
int pipeline_stage = Thread::get_current_pipeline_stage();
nassertv(pipeline_stage == 0);
if (_window != (GraphicsOutput *)NULL) {
OPEN_ITERATE_ALL_STAGES(_cycler) {
CDStageWriter cdata(_cycler, pipeline_stage);
do_compute_pixels(_window->get_fb_x_size(), _window->get_fb_y_size(),
cdata);
}
CLOSE_ITERATE_ALL_STAGES(_cycler);
}
}
////////////////////////////////////////////////////////////////////
// Function: DisplayRegion::compute_pixels
// Access: Public
// Description: Computes the pixel locations of the DisplayRegion
// within its window, given the size of the window in
// pixels.
////////////////////////////////////////////////////////////////////
void DisplayRegion::
compute_pixels(int x_size, int y_size) {
int pipeline_stage = Thread::get_current_pipeline_stage();
nassertv(pipeline_stage == 0);
CDWriter cdata(_cycler);
do_compute_pixels(x_size, y_size, cdata);
}
////////////////////////////////////////////////////////////////////
// Function: DisplayRegion::compute_pixels_all_stages
// Access: Public
// Description: Performs a compute_pixels() operation for all stages
// of the pipeline. This is appropriate, for instance,
// when a window changes sizes, since this is a global
// operation; and you want the new window size to be
// immediately available even to the downstream stages.
////////////////////////////////////////////////////////////////////
void DisplayRegion::
compute_pixels_all_stages(int x_size, int y_size) {
OPEN_ITERATE_ALL_STAGES(_cycler) {
CDStageWriter cdata(_cycler, pipeline_stage);
do_compute_pixels(x_size, y_size, cdata);
}
CLOSE_ITERATE_ALL_STAGES(_cycler);
}
//////////////////////////////////////////////////////////////////// ////////////////////////////////////////////////////////////////////
// Function: DisplayRegion::supports_pixel_zoom // Function: DisplayRegion::supports_pixel_zoom
// Access: Published, Virtual // Access: Public, Virtual
// Description: Returns true if a call to set_pixel_zoom() will be // Description: Returns true if a call to set_pixel_zoom() will be
// respected, false if it will be ignored. If this // respected, false if it will be ignored. If this
// returns false, then get_pixel_factor() will always // returns false, then get_pixel_factor() will always

60
panda/src/display/displayRegion.h
View File

@ -17,6 +17,7 @@
#include "pandabase.h" #include "pandabase.h"
#include "displayRegionBase.h"
#include "drawableRegion.h" #include "drawableRegion.h"
#include "referenceCount.h" #include "referenceCount.h"
#include "nodePath.h" #include "nodePath.h"
@ -54,11 +55,11 @@ class CullTraverser;
// glass, usually for layering 2-d interfaces on top of // glass, usually for layering 2-d interfaces on top of
// a 3-d scene. // a 3-d scene.
//////////////////////////////////////////////////////////////////// ////////////////////////////////////////////////////////////////////
class EXPCL_PANDA_DISPLAY DisplayRegion : public ReferenceCount, public DrawableRegion { class EXPCL_PANDA_DISPLAY DisplayRegion : public DisplayRegionBase, public DrawableRegion {
protected: protected:
DisplayRegion(GraphicsOutput *window);
DisplayRegion(GraphicsOutput *window, DisplayRegion(GraphicsOutput *window,
float l, float r, float b, float t); float l, float r, float b, float t);
private: private:
DisplayRegion(const DisplayRegion &copy); DisplayRegion(const DisplayRegion &copy);
void operator = (const DisplayRegion &copy); void operator = (const DisplayRegion &copy);
@ -75,50 +76,40 @@ PUBLISHED:
INLINE float get_right() const; INLINE float get_right() const;
INLINE float get_bottom() const; INLINE float get_bottom() const;
INLINE float get_top() const; INLINE float get_top() const;
void set_dimensions(float l, float r, float b, float t); virtual void set_dimensions(float l, float r, float b, float t);
INLINE GraphicsOutput *get_window() const; INLINE GraphicsOutput *get_window() const;
GraphicsPipe *get_pipe() const; GraphicsPipe *get_pipe() const;
virtual bool is_stereo() const;
void set_camera(const NodePath &camera); virtual void set_camera(const NodePath &camera);
INLINE NodePath get_camera(Thread *current_thread = Thread::get_current_thread()) const; INLINE NodePath get_camera(Thread *current_thread = Thread::get_current_thread()) const;
void set_active(bool active); virtual void set_active(bool active);
INLINE bool is_active() const; INLINE bool is_active() const;
void set_sort(int sort); virtual void set_sort(int sort);
INLINE int get_sort() const; INLINE int get_sort() const;
void set_stereo_channel(Lens::StereoChannel stereo_channel); virtual void set_stereo_channel(Lens::StereoChannel stereo_channel);
INLINE Lens::StereoChannel get_stereo_channel(); INLINE Lens::StereoChannel get_stereo_channel();
INLINE void set_clear_depth_between_eyes(bool clear_depth_between_eyes); virtual void set_incomplete_render(bool incomplete_render);
INLINE bool get_clear_depth_between_eyes() const;
INLINE void set_incomplete_render(bool incomplete_render);
INLINE bool get_incomplete_render() const; INLINE bool get_incomplete_render() const;
INLINE void set_texture_reload_priority(int texture_reload_priority); virtual void set_texture_reload_priority(int texture_reload_priority);
INLINE int get_texture_reload_priority() const; INLINE int get_texture_reload_priority() const;
INLINE void set_cull_traverser(CullTraverser *trav); virtual void set_cull_traverser(CullTraverser *trav);
CullTraverser *get_cull_traverser(); CullTraverser *get_cull_traverser();
INLINE void set_cube_map_index(int cube_map_index); virtual void set_cube_map_index(int cube_map_index);
INLINE int get_cube_map_index() const; INLINE int get_cube_map_index() const;
void compute_pixels();
void compute_pixels_all_stages();
void compute_pixels(int x_size, int y_size);
void compute_pixels_all_stages(int x_size, int y_size);
INLINE void get_pixels(int &pl, int &pr, int &pb, int &pt) const;
INLINE void get_region_pixels(int &xo, int &yo, int &w, int &h) const;
INLINE void get_region_pixels_i(int &xo, int &yo, int &w, int &h) const;
INLINE int get_pixel_width() const; INLINE int get_pixel_width() const;
INLINE int get_pixel_height() const; INLINE int get_pixel_height() const;
void output(ostream &out) const; virtual void output(ostream &out) const;
static Filename make_screenshot_filename( static Filename make_screenshot_filename(
const string &prefix = "screenshot"); const string &prefix = "screenshot");
@ -127,9 +118,17 @@ PUBLISHED:
const Filename &filename, const string &image_comment = ""); const Filename &filename, const string &image_comment = "");
bool get_screenshot(PNMImage &image); bool get_screenshot(PNMImage &image);
PT(PandaNode) make_cull_result_graph(); virtual PT(PandaNode) make_cull_result_graph();
public: public:
void compute_pixels();
void compute_pixels_all_stages();
void compute_pixels(int x_size, int y_size);
void compute_pixels_all_stages(int x_size, int y_size);
INLINE void get_pixels(int &pl, int &pr, int &pb, int &pt) const;
INLINE void get_region_pixels(int &xo, int &yo, int &w, int &h) const;
INLINE void get_region_pixels_i(int &xo, int &yo, int &w, int &h) const;
virtual bool supports_pixel_zoom() const; virtual bool supports_pixel_zoom() const;
INLINE void set_cull_result(CullResult *cull_result, SceneSetup *scene_setup, INLINE void set_cull_result(CullResult *cull_result, SceneSetup *scene_setup,
@ -147,10 +146,10 @@ private:
void do_compute_pixels(int x_size, int y_size, CData *cdata); void do_compute_pixels(int x_size, int y_size, CData *cdata);
void set_active_index(int index); void set_active_index(int index);
protected:
// The associated window is a permanent property of the // The associated window is a permanent property of the
// DisplayRegion. It doesn't need to be cycled. // DisplayRegion. It doesn't need to be cycled.
GraphicsOutput *_window; GraphicsOutput *_window;
bool _clear_depth_between_eyes;
bool _incomplete_render; bool _incomplete_render;
int _texture_reload_priority; int _texture_reload_priority;
@ -158,6 +157,7 @@ private:
// Ditto for the cull traverser. // Ditto for the cull traverser.
PT(CullTraverser) _trav; PT(CullTraverser) _trav;
private:
// This is the data that is associated with the DisplayRegion that // This is the data that is associated with the DisplayRegion that
// needs to be cycled every frame, but represents the parameters as // needs to be cycled every frame, but represents the parameters as
// specified by the user, and which probably will not change that // specified by the user, and which probably will not change that
@ -230,10 +230,14 @@ public:
return _type_handle; return _type_handle;
} }
static void init_type() { static void init_type() {
ReferenceCount::init_type(); DisplayRegionBase::init_type();
register_type(_type_handle, "DisplayRegion", register_type(_type_handle, "DisplayRegion",
ReferenceCount::get_class_type()); DisplayRegionBase::get_class_type());
} }
virtual TypeHandle get_type() const {
return get_class_type();
}
virtual TypeHandle force_init_type() {init_type(); return get_class_type();}
private: private:
static TypeHandle _type_handle; static TypeHandle _type_handle;
@ -303,8 +307,6 @@ private:
static TypeHandle _type_handle; static TypeHandle _type_handle;
}; };
INLINE ostream &operator << (ostream &out, const DisplayRegion &dr);
#include "displayRegion.I" #include "displayRegion.I"
#endif /* DISPLAYREGION_H */ #endif /* DISPLAYREGION_H */

1
panda/src/display/display_composite2.cxx
View File

@ -12,3 +12,4 @@
#include "stencilRenderStates.cxx" #include "stencilRenderStates.cxx"
#include "displaySearchParameters.cxx" #include "displaySearchParameters.cxx"
#include "displayInformation.cxx" #include "displayInformation.cxx"
#include "stereoDisplayRegion.cxx"

134
panda/src/display/drawableRegion.I
View File

@ -93,8 +93,7 @@ copy_clear_settings(const DrawableRegion &copy) {
//////////////////////////////////////////////////////////////////// ////////////////////////////////////////////////////////////////////
INLINE void DrawableRegion:: INLINE void DrawableRegion::
set_clear_color_active(bool clear_color_active) { set_clear_color_active(bool clear_color_active) {
_clear_active[RTP_color] = clear_color_active; set_clear_active(RTP_color, clear_color_active);
update_pixel_factor();
} }
//////////////////////////////////////////////////////////////////// ////////////////////////////////////////////////////////////////////
@ -106,7 +105,7 @@ set_clear_color_active(bool clear_color_active) {
//////////////////////////////////////////////////////////////////// ////////////////////////////////////////////////////////////////////
INLINE bool DrawableRegion:: INLINE bool DrawableRegion::
get_clear_color_active() const { get_clear_color_active() const {
return _clear_active[RTP_color]; return get_clear_active(RTP_color);
} }
//////////////////////////////////////////////////////////////////// ////////////////////////////////////////////////////////////////////
@ -120,8 +119,7 @@ get_clear_color_active() const {
//////////////////////////////////////////////////////////////////// ////////////////////////////////////////////////////////////////////
INLINE void DrawableRegion:: INLINE void DrawableRegion::
set_clear_depth_active(bool clear_depth_active) { set_clear_depth_active(bool clear_depth_active) {
_clear_active[RTP_depth] = clear_depth_active; set_clear_active(RTP_depth, clear_depth_active);
update_pixel_factor();
} }
//////////////////////////////////////////////////////////////////// ////////////////////////////////////////////////////////////////////
@ -133,7 +131,7 @@ set_clear_depth_active(bool clear_depth_active) {
//////////////////////////////////////////////////////////////////// ////////////////////////////////////////////////////////////////////
INLINE bool DrawableRegion:: INLINE bool DrawableRegion::
get_clear_depth_active() const { get_clear_depth_active() const {
return _clear_active[RTP_depth]; return get_clear_active(RTP_depth);
} }
//////////////////////////////////////////////////////////////////// ////////////////////////////////////////////////////////////////////
@ -147,7 +145,7 @@ get_clear_depth_active() const {
//////////////////////////////////////////////////////////////////// ////////////////////////////////////////////////////////////////////
INLINE void DrawableRegion:: INLINE void DrawableRegion::
set_clear_stencil_active(bool clear_stencil_active) { set_clear_stencil_active(bool clear_stencil_active) {
_clear_active[RTP_stencil] = clear_stencil_active; set_clear_active(RTP_stencil, clear_stencil_active);
} }
//////////////////////////////////////////////////////////////////// ////////////////////////////////////////////////////////////////////
@ -159,30 +157,7 @@ set_clear_stencil_active(bool clear_stencil_active) {
//////////////////////////////////////////////////////////////////// ////////////////////////////////////////////////////////////////////
INLINE bool DrawableRegion:: INLINE bool DrawableRegion::
get_clear_stencil_active() const { get_clear_stencil_active() const {
return _clear_active[RTP_stencil]; return get_clear_active(RTP_stencil);
}
////////////////////////////////////////////////////////////////////
// Function: DrawableRegion::set_clear_active
// Access: Published
// Description: Sets the clear-active flag for any bitplane.
////////////////////////////////////////////////////////////////////
INLINE void DrawableRegion::
set_clear_active(int n, bool clear_active) {
nassertv((n >= 0)&&(n < RTP_COUNT));
_clear_active[n] = clear_active;
update_pixel_factor();
}
////////////////////////////////////////////////////////////////////
// Function: DrawableRegion::get_clear_active
// Access: Published
// Description: Gets the clear-active flag for any bitplane.
////////////////////////////////////////////////////////////////////
INLINE bool DrawableRegion::
get_clear_active(int n) const {
nassertr((n >= 0)&&(n < RTP_COUNT), false);
return _clear_active[n];
} }
//////////////////////////////////////////////////////////////////// ////////////////////////////////////////////////////////////////////
@ -196,7 +171,7 @@ get_clear_active(int n) const {
//////////////////////////////////////////////////////////////////// ////////////////////////////////////////////////////////////////////
INLINE void DrawableRegion:: INLINE void DrawableRegion::
set_clear_color(const Colorf &color) { set_clear_color(const Colorf &color) {
_clear_value[RTP_color] = color; set_clear_value(RTP_color, color);
} }
//////////////////////////////////////////////////////////////////// ////////////////////////////////////////////////////////////////////
@ -210,7 +185,7 @@ set_clear_color(const Colorf &color) {
//////////////////////////////////////////////////////////////////// ////////////////////////////////////////////////////////////////////
INLINE const Colorf &DrawableRegion:: INLINE const Colorf &DrawableRegion::
get_clear_color() const { get_clear_color() const {
return _clear_value[RTP_color]; return get_clear_value(RTP_color);
} }
//////////////////////////////////////////////////////////////////// ////////////////////////////////////////////////////////////////////
@ -224,7 +199,7 @@ get_clear_color() const {
//////////////////////////////////////////////////////////////////// ////////////////////////////////////////////////////////////////////
INLINE void DrawableRegion:: INLINE void DrawableRegion::
set_clear_depth(float depth) { set_clear_depth(float depth) {
_clear_value[RTP_depth] = Colorf(depth,depth,depth,depth); set_clear_value(RTP_depth, Colorf(depth,depth,depth,depth));
} }
//////////////////////////////////////////////////////////////////// ////////////////////////////////////////////////////////////////////
@ -238,7 +213,7 @@ set_clear_depth(float depth) {
//////////////////////////////////////////////////////////////////// ////////////////////////////////////////////////////////////////////
INLINE float DrawableRegion:: INLINE float DrawableRegion::
get_clear_depth() const { get_clear_depth() const {
return _clear_value[RTP_depth][0]; return get_clear_value(RTP_depth)[0];
} }
//////////////////////////////////////////////////////////////////// ////////////////////////////////////////////////////////////////////
// Function: DrawableRegion::set_clear_stencil // Function: DrawableRegion::set_clear_stencil
@ -251,7 +226,7 @@ get_clear_depth() const {
//////////////////////////////////////////////////////////////////// ////////////////////////////////////////////////////////////////////
INLINE void DrawableRegion:: INLINE void DrawableRegion::
set_clear_stencil(const unsigned int stencil) { set_clear_stencil(const unsigned int stencil) {
_clear_value[RTP_stencil] = Colorf(stencil,stencil,stencil,stencil); set_clear_value(RTP_stencil, Colorf(stencil,stencil,stencil,stencil));
} }
//////////////////////////////////////////////////////////////////// ////////////////////////////////////////////////////////////////////
@ -265,92 +240,7 @@ set_clear_stencil(const unsigned int stencil) {
//////////////////////////////////////////////////////////////////// ////////////////////////////////////////////////////////////////////
INLINE unsigned int DrawableRegion:: INLINE unsigned int DrawableRegion::
get_clear_stencil() const { get_clear_stencil() const {
return (int)(_clear_value[RTP_stencil][0]); return (int)(get_clear_value(RTP_stencil)[0]);
}
////////////////////////////////////////////////////////////////////
// Function: DrawableRegion::set_clear_value
// Access: Published
// Description: Sets the clear value for any bitplane.
////////////////////////////////////////////////////////////////////
INLINE void DrawableRegion::
set_clear_value(int n, const Colorf &color) {
nassertv((n >= 0) && (n < RTP_COUNT));
_clear_value[n] = color;
}
////////////////////////////////////////////////////////////////////
// Function: DrawableRegion::get_clear_value
// Access: Published
// Description: Returns the clear value for any bitplane.
////////////////////////////////////////////////////////////////////
INLINE const Colorf &DrawableRegion::
get_clear_value(int n) const {
static Colorf blank(0.5,0.5,0.5,0.0);
nassertr((n >= 0) && (n < RTP_COUNT), blank);
return _clear_value[n];
}
////////////////////////////////////////////////////////////////////
// Function: DrawableRegion::disable_clears
// Access: Published
// Description: Disables both the color and depth clear. See
// set_clear_color_active and set_clear_depth_active.
////////////////////////////////////////////////////////////////////
INLINE void DrawableRegion::
disable_clears() {
for (int i=0; i<RTP_COUNT; i++) {
_clear_active[i] = false;
}
update_pixel_factor();
}
////////////////////////////////////////////////////////////////////
// Function: DrawableRegion::is_any_clear_active
// Access: Published
// Description: Returns true if any of the clear types (so far there
// are just color or depth) have been set active, or
// false if none of them are active and there is no need
// to clear.
////////////////////////////////////////////////////////////////////
INLINE bool DrawableRegion::
is_any_clear_active() const {
for (int i=0; i<RTP_COUNT; i++) {
if (_clear_active[i]) return true;
}
return false;
}
////////////////////////////////////////////////////////////////////
// Function: DrawableRegion::set_pixel_zoom
// Access: Published
// Description: Sets the amount by which the pixels of the region are
// scaled internally when filling the image interally.
// Setting this number larger makes the pixels blockier,
// but may make the rendering faster, particularly for
// software renderers. Setting this number to 2.0
// reduces the number of pixels that have to be filled
// by the renderer by a factor of 2.0. It doesn't make
// sense to set this lower than 1.0.
//
// It is possible to set this on either individual
// DisplayRegions or on overall GraphicsWindows, but you
// will get better performance for setting it on the
// window rather than its individual DisplayRegions.
// Also, you may not set it on a DisplayRegion that
// doesn't have both clear_color() and clear_depth()
// enabled.
//
// This property is only supported on renderers for
// which it is particularly useful--currently, this is
// the tinydisplay software renderer. Other kinds of
// renderers allow you to set this property, but ignore
// it.
////////////////////////////////////////////////////////////////////
INLINE void DrawableRegion::
set_pixel_zoom(float pixel_zoom) {
_pixel_zoom = pixel_zoom;
update_pixel_factor();
} }
//////////////////////////////////////////////////////////////////// ////////////////////////////////////////////////////////////////////

110
panda/src/display/drawableRegion.cxx
View File

@ -24,6 +24,116 @@ DrawableRegion::
~DrawableRegion() { ~DrawableRegion() {
} }
////////////////////////////////////////////////////////////////////
// Function: DrawableRegion::set_clear_active
// Access: Published, Virtual
// Description: Sets the clear-active flag for any bitplane.
////////////////////////////////////////////////////////////////////
void DrawableRegion::
set_clear_active(int n, bool clear_active) {
nassertv((n >= 0)&&(n < RTP_COUNT));
_clear_active[n] = clear_active;
update_pixel_factor();
}
////////////////////////////////////////////////////////////////////
// Function: DrawableRegion::get_clear_active
// Access: Published, Virtual
// Description: Gets the clear-active flag for any bitplane.
////////////////////////////////////////////////////////////////////
bool DrawableRegion::
get_clear_active(int n) const {
nassertr((n >= 0)&&(n < RTP_COUNT), false);
return _clear_active[n];
}
////////////////////////////////////////////////////////////////////
// Function: DrawableRegion::set_clear_value
// Access: Published, Virtual
// Description: Sets the clear value for any bitplane.
////////////////////////////////////////////////////////////////////
void DrawableRegion::
set_clear_value(int n, const Colorf &clear_value) {
nassertv((n >= 0) && (n < RTP_COUNT));
_clear_value[n] = clear_value;
}
////////////////////////////////////////////////////////////////////
// Function: DrawableRegion::get_clear_value
// Access: Published, Virtual
// Description: Returns the clear value for any bitplane.
////////////////////////////////////////////////////////////////////
const Colorf &DrawableRegion::
get_clear_value(int n) const {
static Colorf blank(0.5,0.5,0.5,0.0);
nassertr((n >= 0) && (n < RTP_COUNT), blank);
return _clear_value[n];
}
////////////////////////////////////////////////////////////////////
// Function: DrawableRegion::disable_clears
// Access: Published, Virtual
// Description: Disables both the color and depth clear. See
// set_clear_color_active and set_clear_depth_active.
////////////////////////////////////////////////////////////////////
void DrawableRegion::
disable_clears() {
for (int i = 0; i < RTP_COUNT; ++i) {
_clear_active[i] = false;
}
update_pixel_factor();
}
////////////////////////////////////////////////////////////////////
// Function: DrawableRegion::is_any_clear_active
// Access: Published, Virtual
// Description: Returns true if any of the clear types (so far there
// are just color or depth) have been set active, or
// false if none of them are active and there is no need
// to clear.
////////////////////////////////////////////////////////////////////
bool DrawableRegion::
is_any_clear_active() const {
for (int i = 0; i < RTP_COUNT; ++i) {
if (get_clear_active(i)) {
return true;
}
}
return false;
}
////////////////////////////////////////////////////////////////////
// Function: DrawableRegion::set_pixel_zoom
// Access: Published, Virtual
// Description: Sets the amount by which the pixels of the region are
// scaled internally when filling the image interally.
// Setting this number larger makes the pixels blockier,
// but may make the rendering faster, particularly for
// software renderers. Setting this number to 2.0
// reduces the number of pixels that have to be filled
// by the renderer by a factor of 2.0. It doesn't make
// sense to set this lower than 1.0.
//
// It is possible to set this on either individual
// DisplayRegions or on overall GraphicsWindows, but you
// will get better performance for setting it on the
// window rather than its individual DisplayRegions.
// Also, you may not set it on a DisplayRegion that
// doesn't have both clear_color() and clear_depth()
// enabled.
//
// This property is only supported on renderers for
// which it is particularly useful--currently, this is
// the tinydisplay software renderer. Other kinds of
// renderers allow you to set this property, but ignore
// it.
////////////////////////////////////////////////////////////////////
void DrawableRegion::
set_pixel_zoom(float pixel_zoom) {
_pixel_zoom = pixel_zoom;
update_pixel_factor();
}
//////////////////////////////////////////////////////////////////// ////////////////////////////////////////////////////////////////////
// Function: DrawableRegion::supports_pixel_zoom // Function: DrawableRegion::supports_pixel_zoom
// Access: Published, Virtual // Access: Published, Virtual

15
panda/src/display/drawableRegion.h
View File

@ -81,17 +81,16 @@ PUBLISHED:
INLINE void set_clear_stencil(unsigned int stencil); INLINE void set_clear_stencil(unsigned int stencil);
INLINE unsigned int get_clear_stencil() const; INLINE unsigned int get_clear_stencil() const;
INLINE void set_clear_active(int n, bool clear_aux_active); virtual void set_clear_active(int n, bool clear_aux_active);
INLINE bool get_clear_active(int n) const; virtual bool get_clear_active(int n) const;
INLINE void set_clear_value(int n, const Colorf &color); virtual void set_clear_value(int n, const Colorf &clear_value);
INLINE const Colorf &get_clear_value(int n) const; virtual const Colorf &get_clear_value(int n) const;
INLINE void disable_clears(); virtual void disable_clears();
virtual bool is_any_clear_active() const;
INLINE bool is_any_clear_active() const; virtual void set_pixel_zoom(float pixel_zoom);
INLINE void set_pixel_zoom(float pixel_zoom);
INLINE float get_pixel_zoom() const; INLINE float get_pixel_zoom() const;
INLINE float get_pixel_factor() const; INLINE float get_pixel_factor() const;
virtual bool supports_pixel_zoom() const; virtual bool supports_pixel_zoom() const;

92
panda/src/display/graphicsEngine.cxx
View File

@ -1244,20 +1244,23 @@ cull_and_draw_together(GraphicsOutput *win, DisplayRegion *dr,
win->change_scenes(dr_reader); win->change_scenes(dr_reader);
gsg->prepare_display_region(dr_reader, dr_reader->get_stereo_channel()); gsg->prepare_display_region(dr_reader, dr_reader->get_stereo_channel());
if (dr_reader->is_any_clear_active()) {
gsg->clear(dr);
}
PT(SceneSetup) scene_setup = setup_scene(gsg, dr_reader); PT(SceneSetup) scene_setup = setup_scene(gsg, dr_reader);
if (scene_setup == (SceneSetup *)NULL) { if (scene_setup == (SceneSetup *)NULL) {
// Never mind. // Never mind.
} else if (dr_reader->get_object()->is_stereo()) {
// Don't draw stereo DisplayRegions directly.
} else if (!gsg->set_scene(scene_setup)) { } else if (!gsg->set_scene(scene_setup)) {
// The scene or lens is inappropriate somehow. // The scene or lens is inappropriate somehow.
display_cat.error() display_cat.error()
<< gsg->get_type() << " cannot render scene with specified lens.\n"; << gsg->get_type() << " cannot render scene with specified lens.\n";
} else { } else {
if (dr_reader->is_any_clear_active()) {
gsg->clear(dr);
}
DrawCullHandler cull_handler(gsg); DrawCullHandler cull_handler(gsg);
if (gsg->begin_scene()) { if (gsg->begin_scene()) {
delete dr_reader; delete dr_reader;
@ -1462,9 +1465,7 @@ draw_bins(GraphicsOutput *win, DisplayRegion *dr, Thread *current_thread) {
PT(CullResult) cull_result = dr->get_cull_result(current_thread); PT(CullResult) cull_result = dr->get_cull_result(current_thread);
PT(SceneSetup) scene_setup = dr->get_scene_setup(current_thread); PT(SceneSetup) scene_setup = dr->get_scene_setup(current_thread);
if (cull_result != (CullResult *)NULL && scene_setup != (SceneSetup *)NULL) { do_draw(cull_result, scene_setup, win, dr, current_thread);
do_draw(cull_result, scene_setup, win, dr, current_thread);
}
} }
//////////////////////////////////////////////////////////////////// ////////////////////////////////////////////////////////////////////
@ -1771,62 +1772,33 @@ do_draw(CullResult *cull_result, SceneSetup *scene_setup,
GraphicsStateGuardian *gsg = win->get_gsg(); GraphicsStateGuardian *gsg = win->get_gsg();
win->change_scenes(dr_reader); win->change_scenes(dr_reader);
if (dr_reader->get_stereo_channel() == Lens::SC_stereo) { gsg->prepare_display_region(dr_reader, dr_reader->get_stereo_channel());
// A special case. For a stereo DisplayRegion, we render the left if (dr_reader->is_any_clear_active()) {
// eye, followed by the right eye. gsg->clear(dr_reader->get_object());
if (dr_reader->is_any_clear_active()) { }
gsg->prepare_display_region(dr_reader, Lens::SC_stereo);
gsg->clear(dr_reader->get_object());
}
gsg->prepare_display_region(dr_reader, Lens::SC_left);
if (!gsg->set_scene(scene_setup)) { if (cull_result == NULL || scene_setup == NULL) {
// The scene or lens is inappropriate somehow. // Nothing to see here.
display_cat.error()
<< gsg->get_type() << " cannot render scene with specified lens.\n"; } else if (dr_reader->get_object()->is_stereo()) {
} else { // We don't actually draw the stereo DisplayRegions. These are
if (gsg->begin_scene()) { // just placeholders; we draw the individual left and right eyes
delete dr_reader; // instead. (We might still clear the stereo DisplayRegions,
dr_reader = NULL; // though, since it's probably faster to clear right and left
cull_result->draw(current_thread); // channels in one pass, than to clear them in two separate
gsg->end_scene(); // passes.)
dr_reader = new DisplayRegionPipelineReader(dr, current_thread);
} } else if (!gsg->set_scene(scene_setup)) {
if (dr_reader->get_clear_depth_between_eyes()) { // The scene or lens is inappropriate somehow.
DrawableRegion clear_region; display_cat.error()
clear_region.set_clear_depth_active(true); << gsg->get_type() << " cannot render scene with specified lens.\n";
clear_region.set_clear_depth(dr->get_clear_depth());
gsg->clear(&clear_region);
}
gsg->prepare_display_region(dr_reader, Lens::SC_right);
gsg->set_scene(scene_setup);
if (gsg->begin_scene()) {
delete dr_reader;
dr_reader = NULL;
cull_result->draw(current_thread);
gsg->end_scene();
}
}
} else { } else {
// For a mono DisplayRegion, or a left/right eye only if (gsg->begin_scene()) {
// DisplayRegion, we just render that. delete dr_reader;
gsg->prepare_display_region(dr_reader, dr_reader->get_stereo_channel()); dr_reader = NULL;
cull_result->draw(current_thread);
if (!gsg->set_scene(scene_setup)) { gsg->end_scene();
// The scene or lens is inappropriate somehow.
display_cat.error()
<< gsg->get_type() << " cannot render scene with specified lens.\n";
} else {
if (dr_reader->is_any_clear_active()) {
gsg->clear(dr_reader->get_object());
}
if (gsg->begin_scene()) {
delete dr_reader;
dr_reader = NULL;
cull_result->draw(current_thread);
gsg->end_scene();
}
} }
} }

37
panda/src/display/graphicsOutput.I
View File

@ -467,22 +467,45 @@ trigger_copy() {
// Access: Published // Access: Published
// Description: Creates a new DisplayRegion that covers the entire // Description: Creates a new DisplayRegion that covers the entire
// window. // window.
//
// If is_stereo() is true for this window, and
// default-stereo-camera is configured true, this
// actually makes a StereoDisplayRegion. Call
// make_mono_display_region() or
// make_stereo_display_region() if you want to insist on
// one or the other.
//////////////////////////////////////////////////////////////////// ////////////////////////////////////////////////////////////////////
INLINE DisplayRegion *GraphicsOutput:: INLINE DisplayRegion *GraphicsOutput::
make_display_region() { make_display_region() {
return add_display_region(new DisplayRegion(this)); return make_display_region(0.0f, 1.0f, 0.0f, 1.0f);
} }
//////////////////////////////////////////////////////////////////// ////////////////////////////////////////////////////////////////////
// Function: GraphicsOutput::make_display_region // Function: GraphicsOutput::make_mono_display_region
// Access: Published // Access: Published
// Description: Creates a new DisplayRegion that covers the indicated // Description: Creates a new DisplayRegion that covers the entire
// sub-rectangle within the window. The range on all // window.
// parameters is 0..1. //
// This always returns a mono DisplayRegion, even if
// is_stereo() is true.
//////////////////////////////////////////////////////////////////// ////////////////////////////////////////////////////////////////////
INLINE DisplayRegion *GraphicsOutput:: INLINE DisplayRegion *GraphicsOutput::
make_display_region(float l, float r, float b, float t) { make_mono_display_region() {
return add_display_region(new DisplayRegion(this, l, r, b, t)); return make_mono_display_region(0.0f, 1.0f, 0.0f, 1.0f);
}
////////////////////////////////////////////////////////////////////
// Function: GraphicsOutput::make_stereo_display_region
// Access: Published
// Description: Creates a new DisplayRegion that covers the entire
// window.
//
// This always returns a stereo DisplayRegion, even if
// is_stereo() is false.
////////////////////////////////////////////////////////////////////
INLINE StereoDisplayRegion *GraphicsOutput::
make_stereo_display_region() {
return make_stereo_display_region(0.0f, 1.0f, 0.0f, 1.0f);
} }
//////////////////////////////////////////////////////////////////// ////////////////////////////////////////////////////////////////////

116
panda/src/display/graphicsOutput.cxx
View File

@ -121,7 +121,7 @@ GraphicsOutput(GraphicsPipe *pipe,
// We start out with one DisplayRegion that covers the whole window, // We start out with one DisplayRegion that covers the whole window,
// which we may use internally for full-window operations like // which we may use internally for full-window operations like
// clear() and get_screenshot(). // clear() and get_screenshot().
_default_display_region = make_display_region(0.0f, 1.0f, 0.0f, 1.0f); _default_display_region = make_mono_display_region(0.0f, 1.0f, 0.0f, 1.0f);
_default_display_region->set_active(false); _default_display_region->set_active(false);
_display_regions_stale = false; _display_regions_stale = false;
@ -444,6 +444,68 @@ set_sort(int sort) {
} }
} }
////////////////////////////////////////////////////////////////////
// Function: GraphicsOutput::make_display_region
// Access: Published
// Description: Creates a new DisplayRegion that covers the indicated
// sub-rectangle within the window. The range on all
// parameters is 0..1.
//
// If is_stereo() is true for this window, and
// default-stereo-camera is configured true, this
// actually makes a StereoDisplayRegion. Call
// make_mono_display_region() or
// make_stereo_display_region() if you want to insist on
// one or the other.
////////////////////////////////////////////////////////////////////
DisplayRegion *GraphicsOutput::
make_display_region(float l, float r, float b, float t) {
if (is_stereo() && default_stereo_camera) {
return make_stereo_display_region(l, r, b, t);
} else {
return make_mono_display_region(l, r, b, t);
}
}
////////////////////////////////////////////////////////////////////
// Function: GraphicsOutput::make_mono_display_region
// Access: Published
// Description: Creates a new DisplayRegion that covers the indicated
// sub-rectangle within the window. The range on all
// parameters is 0..1.
//
// This always returns a mono DisplayRegion, even if
// is_stereo() is true.
////////////////////////////////////////////////////////////////////
DisplayRegion *GraphicsOutput::
make_mono_display_region(float l, float r, float b, float t) {
return add_display_region(new DisplayRegion(this, l, r, b, t));
}
////////////////////////////////////////////////////////////////////
// Function: GraphicsOutput::make_stereo_display_region
// Access: Published
// Description: Creates a new DisplayRegion that covers the indicated
// sub-rectangle within the window. The range on all
// parameters is 0..1.
//
// This always returns a stereo DisplayRegion, even if
// is_stereo() is false.
////////////////////////////////////////////////////////////////////
StereoDisplayRegion *GraphicsOutput::
make_stereo_display_region(float l, float r, float b, float t) {
PT(DisplayRegion) left = new DisplayRegion(this, l, r, b, t);
PT(DisplayRegion) right = new DisplayRegion(this, l, r, b, t);
PT(StereoDisplayRegion) stereo = new StereoDisplayRegion(this, l, r, b, t,
left, right);
add_display_region(stereo);
add_display_region(left);
add_display_region(right);
return stereo;
}
//////////////////////////////////////////////////////////////////// ////////////////////////////////////////////////////////////////////
// Function: GraphicsOutput::remove_display_region // Function: GraphicsOutput::remove_display_region
// Access: Published // Access: Published
@ -459,22 +521,14 @@ remove_display_region(DisplayRegion *display_region) {
nassertr(display_region != _default_display_region, false); nassertr(display_region != _default_display_region, false);
PT(DisplayRegion) drp = display_region; if (display_region->is_stereo()) {
TotalDisplayRegions::iterator dri = StereoDisplayRegion *sdr;
find(_total_display_regions.begin(), _total_display_regions.end(), drp); DCAST_INTO_R(sdr, display_region, false);
if (dri != _total_display_regions.end()) { do_remove_display_region(sdr->get_left_eye());
// Let's aggressively clean up the display region too. do_remove_display_region(sdr->get_right_eye());
display_region->cleanup();
display_region->_window = NULL;
_total_display_regions.erase(dri);
if (display_region->is_active()) {
_display_regions_stale = true;
}
return true;
} }
return false; return do_remove_display_region(display_region);
} }
//////////////////////////////////////////////////////////////////// ////////////////////////////////////////////////////////////////////
@ -1031,9 +1085,9 @@ clear(Thread *current_thread) {
bool GraphicsOutput:: bool GraphicsOutput::
copy_to_textures() { copy_to_textures() {
bool okflag = true; bool okflag = true;
for (int i=0; i<count_textures(); i++) { for (int i = 0; i < count_textures(); ++i) {
RenderTextureMode rtm_mode = get_rtm_mode(i); RenderTextureMode rtm_mode = get_rtm_mode(i);
if ((rtm_mode == RTM_none)||(rtm_mode == RTM_bind_or_copy)) { if ((rtm_mode == RTM_none) || (rtm_mode == RTM_bind_or_copy)) {
continue; continue;
} }
@ -1219,6 +1273,34 @@ add_display_region(DisplayRegion *display_region) {
return display_region; return display_region;
} }
////////////////////////////////////////////////////////////////////
// Function: GraphicsOutput::do_remove_display_region
// Access: Private
// Description: Internal implementation of remove_display_region.
// Assumes the lock is already held.
////////////////////////////////////////////////////////////////////
bool GraphicsOutput::
do_remove_display_region(DisplayRegion *display_region) {
nassertr(display_region != _default_display_region, false);
PT(DisplayRegion) drp = display_region;
TotalDisplayRegions::iterator dri =
find(_total_display_regions.begin(), _total_display_regions.end(), drp);
if (dri != _total_display_regions.end()) {
// Let's aggressively clean up the display region too.
display_region->cleanup();
display_region->_window = NULL;
_total_display_regions.erase(dri);
if (display_region->is_active()) {
_display_regions_stale = true;
}
return true;
}
return false;
}
//////////////////////////////////////////////////////////////////// ////////////////////////////////////////////////////////////////////
// Function: GraphicsOutput::do_determine_display_regions // Function: GraphicsOutput::do_determine_display_regions
// Access: Private // Access: Private

9
panda/src/display/graphicsOutput.h
View File

@ -19,6 +19,7 @@
#include "graphicsPipe.h" #include "graphicsPipe.h"
#include "displayRegion.h" #include "displayRegion.h"
#include "stereoDisplayRegion.h"
#include "graphicsStateGuardian.h" #include "graphicsStateGuardian.h"
#include "drawableRegion.h" #include "drawableRegion.h"
#include "renderBuffer.h" #include "renderBuffer.h"
@ -141,8 +142,11 @@ PUBLISHED:
INLINE void trigger_copy(); INLINE void trigger_copy();
INLINE DisplayRegion *make_display_region(); INLINE DisplayRegion *make_display_region();
INLINE DisplayRegion *make_display_region(float l, float r, DisplayRegion *make_display_region(float l, float r, float b, float t);
float b, float t); INLINE DisplayRegion *make_mono_display_region();
DisplayRegion *make_mono_display_region(float l, float r, float b, float t);
INLINE StereoDisplayRegion *make_stereo_display_region();
StereoDisplayRegion *make_stereo_display_region(float l, float r, float b, float t);
bool remove_display_region(DisplayRegion *display_region); bool remove_display_region(DisplayRegion *display_region);
void remove_all_display_regions(); void remove_all_display_regions();
@ -248,6 +252,7 @@ private:
PT(GeomVertexData) create_texture_card_vdata(int x, int y); PT(GeomVertexData) create_texture_card_vdata(int x, int y);
DisplayRegion *add_display_region(DisplayRegion *display_region); DisplayRegion *add_display_region(DisplayRegion *display_region);
bool do_remove_display_region(DisplayRegion *display_region);
INLINE void win_display_regions_changed(); INLINE void win_display_regions_changed();

36
panda/src/display/stereoDisplayRegion.I Normal file
View File

@ -0,0 +1,36 @@
// Filename: stereoDisplayRegion.I
// Created by: drose (19Feb09)
//
////////////////////////////////////////////////////////////////////
//
// PANDA 3D SOFTWARE
// Copyright (c) Carnegie Mellon University. All rights reserved.
//
// All use of this software is subject to the terms of the revised BSD
// license. You should have received a copy of this license along
// with this source code in a file named "LICENSE."
//
////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////
// Function: StereoDisplayRegion::get_left_eye
// Access: Published
// Description: Returns a pointer to the left DisplayRegion managed
// by this stereo object.
////////////////////////////////////////////////////////////////////
INLINE DisplayRegion *StereoDisplayRegion::
get_left_eye() {
return _left_eye;
}
////////////////////////////////////////////////////////////////////
// Function: StereoDisplayRegion::get_right_eye
// Access: Published
// Description: Returns a pointer to the right DisplayRegion managed
// by this stereo object.
////////////////////////////////////////////////////////////////////
INLINE DisplayRegion *StereoDisplayRegion::
get_right_eye() {
return _right_eye;
}

318
panda/src/display/stereoDisplayRegion.cxx Normal file
View File

@ -0,0 +1,318 @@
// Filename: stereoDisplayRegion.cxx
// Created by: drose (19Feb09)
//
////////////////////////////////////////////////////////////////////
//
// PANDA 3D SOFTWARE
// Copyright (c) Carnegie Mellon University. All rights reserved.
//
// All use of this software is subject to the terms of the revised BSD
// license. You should have received a copy of this license along
// with this source code in a file named "LICENSE."
//
////////////////////////////////////////////////////////////////////
#include "stereoDisplayRegion.h"
#include "pandaNode.h"
TypeHandle StereoDisplayRegion::_type_handle;
////////////////////////////////////////////////////////////////////
// Function: StereoDisplayRegion::Constructor
// Access: Published
// Description:
////////////////////////////////////////////////////////////////////
StereoDisplayRegion::
StereoDisplayRegion(GraphicsOutput *window,
float l, float r, float b, float t,
DisplayRegion *left, DisplayRegion *right) :
DisplayRegion(window, l, r, b, t),
_left_eye(left),
_right_eye(right)
{
nassertv(window == left->get_window() &&
window == right->get_window());
set_stereo_channel(Lens::SC_stereo);
}
////////////////////////////////////////////////////////////////////
// Function: StereoDisplayRegion::Destructor
// Access: Published, Virtual
// Description:
////////////////////////////////////////////////////////////////////
StereoDisplayRegion::
~StereoDisplayRegion() {
}
////////////////////////////////////////////////////////////////////
// Function: StereoDisplayRegion::set_clear_active
// Access: Published, Virtual
// Description: Sets the clear-active flag for any bitplane.
////////////////////////////////////////////////////////////////////
void StereoDisplayRegion::
set_clear_active(int n, bool clear_active) {
// The clear_active flag gets set only on the parent, stereo display
// region.
DisplayRegion::set_clear_active(n, clear_active);
// Except for depth and stencil buffers. These also get set on the
// right display region by default, on the assumption that we want
// to clear these buffers between drawing the eyes, and that the
// right eye is the second of the pair.
switch (n) {
case RTP_stencil:
case RTP_depth_stencil:
case RTP_depth:
_right_eye->set_clear_active(n, clear_active);
break;
default:
break;
}
}
////////////////////////////////////////////////////////////////////
// Function: StereoDisplayRegion::set_clear_value
// Access: Published, Virtual
// Description: Sets the clear value for any bitplane.
////////////////////////////////////////////////////////////////////
void StereoDisplayRegion::
set_clear_value(int n, const Colorf &clear_value) {
DisplayRegion::set_clear_value(n, clear_value);
_left_eye->set_clear_value(n, clear_value);
_right_eye->set_clear_value(n, clear_value);
}
////////////////////////////////////////////////////////////////////
// Function: StereoDisplayRegion::disable_clears
// Access: Published, Virtual
// Description: Disables both the color and depth clear. See
// set_clear_color_active and set_clear_depth_active.
////////////////////////////////////////////////////////////////////
void StereoDisplayRegion::
disable_clears() {
DisplayRegion::disable_clears();
_left_eye->disable_clears();
_right_eye->disable_clears();
}
////////////////////////////////////////////////////////////////////
// Function: StereoDisplayRegion::set_pixel_zoom
// Access: Published, Virtual
// Description: Sets the pixel_zoom for left and right eyes.
////////////////////////////////////////////////////////////////////
void StereoDisplayRegion::
set_pixel_zoom(float pixel_zoom) {
DisplayRegion::set_pixel_zoom(pixel_zoom);
_left_eye->set_pixel_zoom(pixel_zoom);
_right_eye->set_pixel_zoom(pixel_zoom);
}
////////////////////////////////////////////////////////////////////
// Function: StereoDisplayRegion::set_dimensions
// Access: Published, Virtual
// Description: Sets both the left and right DisplayRegions to the
// indicated dimensions.
////////////////////////////////////////////////////////////////////
void StereoDisplayRegion::
set_dimensions(float l, float r, float b, float t) {
DisplayRegion::set_dimensions(l, r, b, t);
_left_eye->set_dimensions(l, r, b, t);
_right_eye->set_dimensions(l, r, b, t);
}
////////////////////////////////////////////////////////////////////
// Function: StereoDisplayRegion::is_stereo
// Access: Published, Virtual
// Description: Returns true if this is a StereoDisplayRegion, false
// otherwise.
////////////////////////////////////////////////////////////////////
bool StereoDisplayRegion::
is_stereo() const {
return true;
}
////////////////////////////////////////////////////////////////////
// Function: StereoDisplayRegion::set_camera
// Access: Published, Virtual
// Description: Sets both the left and right DisplayRegions to the
// indicated camera.
////////////////////////////////////////////////////////////////////
void StereoDisplayRegion::
set_camera(const NodePath &camera) {
DisplayRegion::set_camera(camera);
_left_eye->set_camera(camera);
_right_eye->set_camera(camera);
}
////////////////////////////////////////////////////////////////////
// Function: StereoDisplayRegion::set_active
// Access: Published, Virtual
// Description: Sets the active flag on both the left and right
// DisplayRegions to the indicated value.
////////////////////////////////////////////////////////////////////
void StereoDisplayRegion::
set_active(bool active) {
DisplayRegion::set_active(active);
_left_eye->set_active(active);
_right_eye->set_active(active);
if (active) {
// Reenable the appropriate eyes according to our stereo_channel
// setting.
set_stereo_channel(get_stereo_channel());
}
}
////////////////////////////////////////////////////////////////////
// Function: StereoDisplayRegion::set_sort
// Access: Published, Virtual
// Description: Sets the indicated sort value on the overall
// DisplayRegion, the indicated sort value + 1 on the
// left eye, and the indicated sort value + 2 on the
// right eye.
////////////////////////////////////////////////////////////////////
void StereoDisplayRegion::
set_sort(int sort) {
DisplayRegion::set_sort(sort);
_left_eye->set_sort(sort + 1);
_right_eye->set_sort(sort + 2);
}
////////////////////////////////////////////////////////////////////
// Function: StereoDisplayRegion::set_stereo_channel
// Access: Published, Virtual
// Description: Sets the stereo channels on the left and right eyes,
// and also sets the active flags independently on both
// eyes. For a StereoDisplayRegion, a different action
// is performed for each different value:
//
// SC_stereo - the left eye is set to SC_left, the right
// eye to SC_right, and both eyes are activated.
//
// SC_left - the left eye is set to SC_left and
// activated; the right eye is deactivated.
//
// SC_right - the right eye is set to SC_right and
// activated; the left eye is deactivated.
//
// SC_mono - the left eye is set to SC_mono and
// activated; the right eye is deactivated.
////////////////////////////////////////////////////////////////////
void StereoDisplayRegion::
set_stereo_channel(Lens::StereoChannel stereo_channel) {
DisplayRegion::set_stereo_channel(stereo_channel);
if (!is_active()) {
return;
}
switch (stereo_channel) {
case Lens::SC_stereo:
_left_eye->set_stereo_channel(Lens::SC_left);
_left_eye->set_active(true);
_right_eye->set_stereo_channel(Lens::SC_right);
_right_eye->set_active(true);
break;
case Lens::SC_left:
_left_eye->set_stereo_channel(Lens::SC_left);
_left_eye->set_active(true);
_right_eye->set_active(false);
break;
case Lens::SC_right:
_left_eye->set_active(false);
_right_eye->set_stereo_channel(Lens::SC_right);
_right_eye->set_active(true);
break;
case Lens::SC_mono:
_left_eye->set_stereo_channel(Lens::SC_mono);
_left_eye->set_active(true);
_right_eye->set_active(false);
break;
}
}
////////////////////////////////////////////////////////////////////
// Function: StereoDisplayRegion::set_incomplete_render
// Access: Published, Virtual
// Description: Sets the incomplete_render flag on both the left and
// right DisplayRegions to the indicated value.
////////////////////////////////////////////////////////////////////
void StereoDisplayRegion::
set_incomplete_render(bool incomplete_render) {
DisplayRegion::set_incomplete_render(incomplete_render);
_left_eye->set_incomplete_render(incomplete_render);
_right_eye->set_incomplete_render(incomplete_render);
}
////////////////////////////////////////////////////////////////////
// Function: StereoDisplayRegion::set_texture_reload_priority
// Access: Published, Virtual
// Description: Sets the texture_reload_priority on both the left and
// right DisplayRegions to the indicated value.
////////////////////////////////////////////////////////////////////
void StereoDisplayRegion::
set_texture_reload_priority(int texture_reload_priority) {
DisplayRegion::set_texture_reload_priority(texture_reload_priority);
_left_eye->set_texture_reload_priority(texture_reload_priority);
_right_eye->set_texture_reload_priority(texture_reload_priority);
}
////////////////////////////////////////////////////////////////////
// Function: StereoDisplayRegion::set_cull_traverser
// Access: Published, Virtual
// Description: Sets the CullTraverser for both the left and right
// DisplayRegions.
////////////////////////////////////////////////////////////////////
void StereoDisplayRegion::
set_cull_traverser(CullTraverser *trav) {
DisplayRegion::set_cull_traverser(trav);
_left_eye->set_cull_traverser(trav);
_right_eye->set_cull_traverser(trav);
}
////////////////////////////////////////////////////////////////////
// Function: StereoDisplayRegion::set_cube_map_index
// Access: Published, Virtual
// Description: Sets the cube_map_index on both the left and
// right DisplayRegions to the indicated value.
////////////////////////////////////////////////////////////////////
void StereoDisplayRegion::
set_cube_map_index(int cube_map_index) {
DisplayRegion::set_cube_map_index(cube_map_index);
_left_eye->set_cube_map_index(cube_map_index);
_right_eye->set_cube_map_index(cube_map_index);
}
////////////////////////////////////////////////////////////////////
// Function: StereoDisplayRegion::output
// Access: Published, Virtual
// Description:
////////////////////////////////////////////////////////////////////
void StereoDisplayRegion::
output(ostream &out) const {
out << "StereoDisplayRegion(" << *_left_eye << ")";
}
////////////////////////////////////////////////////////////////////
// Function: StereoDisplayRegion::make_cull_result_graph
// Access: Published, Virtual
// Description: Returns a special scene graph constructed to
// represent the results of the last frame's cull
// operation.
////////////////////////////////////////////////////////////////////
PT(PandaNode) StereoDisplayRegion::
make_cull_result_graph() {
PT(PandaNode) root = new PandaNode("stereo");
PT(PandaNode) left = _left_eye->make_cull_result_graph();
left->set_name("left");
root->add_child(left, _left_eye->get_sort());
PT(PandaNode) right = _right_eye->make_cull_result_graph();
right->set_name("right");
root->add_child(right, _right_eye->get_sort());
return root;
}

98
panda/src/display/stereoDisplayRegion.h Normal file
View File

@ -0,0 +1,98 @@
// Filename: stereoDisplayRegion.h
// Created by: drose (19Feb09)
//
////////////////////////////////////////////////////////////////////
//
// PANDA 3D SOFTWARE
// Copyright (c) Carnegie Mellon University. All rights reserved.
//
// All use of this software is subject to the terms of the revised BSD
// license. You should have received a copy of this license along
// with this source code in a file named "LICENSE."
//
////////////////////////////////////////////////////////////////////
#ifndef STEREODISPLAYREGION_H
#define STEREODISPLAYREGION_H
#include "pandabase.h"
#include "displayRegion.h"
////////////////////////////////////////////////////////////////////
// Class : StereoDisplayRegion
// Description : This is a special DisplayRegion wrapper that actually
// includes a pair of DisplayRegions internally: the
// left and right eyes. The DisplayRegion represented
// here does not have a physical association with the
// window, but it pretends it does. Instead, it
// maintains a pointer to the left and right
// DisplayRegions separately.
//
// Operations on the StereoDisplayRegion object affect
// both left and right eyes together. To access the
// left or right eyes independently, use get_left_eye()
// and get_right_eye().
////////////////////////////////////////////////////////////////////
class EXPCL_PANDA_DISPLAY StereoDisplayRegion : public DisplayRegion {
protected:
StereoDisplayRegion(GraphicsOutput *window,
float l, float r, float b, float t,
DisplayRegion *left, DisplayRegion *right);
public:
virtual ~StereoDisplayRegion();
PUBLISHED:
// Inherited from DrawableRegion
virtual void set_clear_active(int n, bool clear_aux_active);
virtual void set_clear_value(int n, const Colorf &clear_value);
virtual void disable_clears();
virtual void set_pixel_zoom(float pixel_zoom);
// Inherited from DisplayRegion
virtual void set_dimensions(float l, float r, float b, float t);
virtual bool is_stereo() const;
virtual void set_camera(const NodePath &camera);
virtual void set_active(bool active);
virtual void set_sort(int sort);
virtual void set_stereo_channel(Lens::StereoChannel stereo_channel);
virtual void set_incomplete_render(bool incomplete_render);
virtual void set_texture_reload_priority(int texture_reload_priority);
virtual void set_cull_traverser(CullTraverser *trav);
virtual void set_cube_map_index(int cube_map_index);
virtual void output(ostream &out) const;
virtual PT(PandaNode) make_cull_result_graph();
INLINE DisplayRegion *get_left_eye();
INLINE DisplayRegion *get_right_eye();
private:
PT(DisplayRegion) _left_eye;
PT(DisplayRegion) _right_eye;
public:
static TypeHandle get_class_type() {
return _type_handle;
}
static void init_type() {
DisplayRegion::init_type();
register_type(_type_handle, "StereoDisplayRegion",
DisplayRegion::get_class_type());
}
virtual TypeHandle get_type() const {
return get_class_type();
}
virtual TypeHandle force_init_type() {init_type(); return get_class_type();}
private:
static TypeHandle _type_handle;
friend class GraphicsOutput;
friend class DisplayRegionPipelineReader;
};
#include "stereoDisplayRegion.I"
#endif

2
panda/src/framework/config_framework.cxx
View File

@ -30,8 +30,6 @@ ConfigVariableDouble aspect_ratio
("aspect-ratio", 0.0); ("aspect-ratio", 0.0);
ConfigVariableBool show_frame_rate_meter ConfigVariableBool show_frame_rate_meter
("show-frame-rate-meter", false); ("show-frame-rate-meter", false);
ConfigVariableBool default_stereo_camera
("default-stereo-camera", true);
ConfigVariableString record_session ConfigVariableString record_session
("record-session", ""); ("record-session", "");

1
panda/src/framework/config_framework.h
View File

@ -27,7 +27,6 @@ NotifyCategoryDecl(framework, EXPCL_FRAMEWORK, EXPTP_FRAMEWORK);
// Configure variables for framework package. // Configure variables for framework package.
extern ConfigVariableDouble aspect_ratio; extern ConfigVariableDouble aspect_ratio;
extern ConfigVariableBool show_frame_rate_meter; extern ConfigVariableBool show_frame_rate_meter;
extern ConfigVariableBool default_stereo_camera;
extern ConfigVariableString record_session; extern ConfigVariableString record_session;
extern ConfigVariableString playback_session; extern ConfigVariableString playback_session;

7
panda/src/framework/windowFramework.cxx
View File

@ -180,11 +180,6 @@ open_window(const WindowProperties &props, GraphicsEngine *engine,
NodePath camera_np = make_camera(); NodePath camera_np = make_camera();
_display_region_3d->set_camera(camera_np); _display_region_3d->set_camera(camera_np);
if (_window->is_stereo() && default_stereo_camera) {
// Actually, let's make a stereo DisplayRegion.
_display_region_3d->set_stereo_channel(Lens::SC_stereo);
}
set_background_type(_background_type); set_background_type(_background_type);
if (show_frame_rate_meter) { if (show_frame_rate_meter) {
@ -286,7 +281,7 @@ get_render_2d() {
// display region. // display region.
float l, r, b, t; float l, r, b, t;
_display_region_3d->get_dimensions(l, r, b, t); _display_region_3d->get_dimensions(l, r, b, t);
_display_region_2d = _window->make_display_region(l, r, b, t); _display_region_2d = _window->make_mono_display_region(l, r, b, t);
_display_region_2d->set_sort(10); _display_region_2d->set_sort(10);
// Finally, we need a camera to associate with the display region. // Finally, we need a camera to associate with the display region.

2
panda/src/grutil/frameRateMeter.cxx
View File

@ -88,7 +88,7 @@ setup_window(GraphicsOutput *window) {
_root.set_two_sided(1, 1); _root.set_two_sided(1, 1);
// Create a display region that covers the entire window. // Create a display region that covers the entire window.
_display_region = _window->make_display_region(); _display_region = _window->make_mono_display_region();
_display_region->set_sort(frame_rate_meter_layer_sort); _display_region->set_sort(frame_rate_meter_layer_sort);
// Finally, we need a camera to associate with the display region. // Finally, we need a camera to associate with the display region.

9
panda/src/gsgbase/Sources.pp
View File

@ -9,12 +9,17 @@
#define COMBINED_SOURCES $[TARGET]_composite1.cxx #define COMBINED_SOURCES $[TARGET]_composite1.cxx
#define SOURCES \ #define SOURCES \
config_gsgbase.h graphicsStateGuardianBase.h config_gsgbase.h \
displayRegionBase.I displayRegionBase.h \
graphicsStateGuardianBase.h
#define INCLUDED_SOURCES \ #define INCLUDED_SOURCES \
config_gsgbase.cxx graphicsStateGuardianBase.cxx config_gsgbase.cxx \
displayRegionBase.cxx \
graphicsStateGuardianBase.cxx
#define INSTALL_HEADERS \ #define INSTALL_HEADERS \
displayRegionBase.I displayRegionBase.h \
graphicsStateGuardianBase.h graphicsStateGuardianBase.h
#define IGATESCAN all #define IGATESCAN all

2
panda/src/gsgbase/config_gsgbase.cxx
View File

@ -13,6 +13,7 @@
//////////////////////////////////////////////////////////////////// ////////////////////////////////////////////////////////////////////
#include "config_gsgbase.h" #include "config_gsgbase.h"
#include "displayRegionBase.h"
#include "graphicsStateGuardianBase.h" #include "graphicsStateGuardianBase.h"
#include "dconfig.h" #include "dconfig.h"
@ -20,5 +21,6 @@
Configure(config_gsgbase); Configure(config_gsgbase);
ConfigureFn(config_gsgbase) { ConfigureFn(config_gsgbase) {
DisplayRegionBase::init_type();
GraphicsStateGuardianBase::init_type(); GraphicsStateGuardianBase::init_type();
} }

29
panda/src/gsgbase/displayRegionBase.I Normal file
View File

@ -0,0 +1,29 @@
// Filename: displayRegionBase.I
// Created by: drose (20Feb09)
//
////////////////////////////////////////////////////////////////////
//
// PANDA 3D SOFTWARE
// Copyright (c) Carnegie Mellon University. All rights reserved.
//
// All use of this software is subject to the terms of the revised BSD
// license. You should have received a copy of this license along
// with this source code in a file named "LICENSE."
//
////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////
// Function: DisplayRegionBase::Constructor
// Access: Protected
// Description:
////////////////////////////////////////////////////////////////////
INLINE DisplayRegionBase::
DisplayRegionBase() {
}
INLINE ostream &
operator << (ostream &out, const DisplayRegionBase &dr) {
dr.output(out);
return out;
}

27
panda/src/gsgbase/displayRegionBase.cxx Normal file
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@ -0,0 +1,27 @@
// Filename: displayRegionBase.cxx
// Created by: drose (20Feb09)
//
////////////////////////////////////////////////////////////////////
//
// PANDA 3D SOFTWARE
// Copyright (c) Carnegie Mellon University. All rights reserved.
//
// All use of this software is subject to the terms of the revised BSD
// license. You should have received a copy of this license along
// with this source code in a file named "LICENSE."
//
////////////////////////////////////////////////////////////////////
#include "displayRegionBase.h"
TypeHandle DisplayRegionBase::_type_handle;
////////////////////////////////////////////////////////////////////
// Function: DisplayRegionBase::Destructor
// Access: Public, Virtual
// Description:
////////////////////////////////////////////////////////////////////
DisplayRegionBase::
~DisplayRegionBase() {
}

59
panda/src/gsgbase/displayRegionBase.h Normal file
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@ -0,0 +1,59 @@
// Filename: displayRegionBase.h
// Created by: drose (20Feb09)
//
////////////////////////////////////////////////////////////////////
//
// PANDA 3D SOFTWARE
// Copyright (c) Carnegie Mellon University. All rights reserved.
//
// All use of this software is subject to the terms of the revised BSD
// license. You should have received a copy of this license along
// with this source code in a file named "LICENSE."
//
////////////////////////////////////////////////////////////////////
#ifndef DISPLAYREGIONBASE_H
#define DISPLAYREGIONBASE_H
#include "pandabase.h"
#include "typedReferenceCount.h"
////////////////////////////////////////////////////////////////////
// Class : DisplayRegionBase
// Description : An abstract base class for DisplayRegion, mainly so
// we can store DisplayRegion pointers in a Camera.
////////////////////////////////////////////////////////////////////
class EXPCL_PANDA_GSGBASE DisplayRegionBase : public TypedReferenceCount {
protected:
INLINE DisplayRegionBase();
public:
virtual ~DisplayRegionBase();
PUBLISHED:
virtual void output(ostream &out) const=0;
public:
static TypeHandle get_class_type() {
return _type_handle;
}
static void init_type() {
TypedReferenceCount::init_type();
register_type(_type_handle, "DisplayRegionBase",
TypedReferenceCount::get_class_type());
}
virtual TypeHandle get_type() const {
return get_class_type();
}
virtual TypeHandle force_init_type() {init_type(); return get_class_type();}
private:
static TypeHandle _type_handle;
};
INLINE ostream &operator << (ostream &out, const DisplayRegionBase &dr);
#include "displayRegionBase.I"
#endif

5
panda/src/gsgbase/gsgbase_composite1.cxx
View File

@ -1,4 +1,5 @@
#include"config_gsgbase.cxx" #include "config_gsgbase.cxx"
#include"graphicsStateGuardianBase.cxx" #include "displayRegionBase.cxx"
#include "graphicsStateGuardianBase.cxx"

4
panda/src/pgraph/camera.I
View File

@ -82,9 +82,9 @@ get_num_display_regions() const {
// Description: Returns the nth display region associated with the // Description: Returns the nth display region associated with the
// camera. // camera.
//////////////////////////////////////////////////////////////////// ////////////////////////////////////////////////////////////////////
INLINE DisplayRegion *Camera:: INLINE DisplayRegionBase *Camera::
get_display_region(int n) const { get_display_region(int n) const {
nassertr(n >= 0 && n < (int)_display_regions.size(), (DisplayRegion *)NULL); nassertr(n >= 0 && n < (int)_display_regions.size(), (DisplayRegionBase *)NULL);
return _display_regions[n]; return _display_regions[n];
} }

4
panda/src/pgraph/camera.cxx
View File

@ -273,7 +273,7 @@ cleanup_aux_scene_data(Thread *current_thread) {
// intended to be called from the DisplayRegion. // intended to be called from the DisplayRegion.
//////////////////////////////////////////////////////////////////// ////////////////////////////////////////////////////////////////////
void Camera:: void Camera::
add_display_region(DisplayRegion *display_region) { add_display_region(DisplayRegionBase *display_region) {
_display_regions.push_back(display_region); _display_regions.push_back(display_region);
} }
@ -285,7 +285,7 @@ add_display_region(DisplayRegion *display_region) {
// intended to be called from the DisplayRegion. // intended to be called from the DisplayRegion.
//////////////////////////////////////////////////////////////////// ////////////////////////////////////////////////////////////////////
void Camera:: void Camera::
remove_display_region(DisplayRegion *display_region) { remove_display_region(DisplayRegionBase *display_region) {
DisplayRegions::iterator dri = DisplayRegions::iterator dri =
find(_display_regions.begin(), _display_regions.end(), display_region); find(_display_regions.begin(), _display_regions.end(), display_region);
if (dri != _display_regions.end()) { if (dri != _display_regions.end()) {

11
panda/src/pgraph/camera.h
View File

@ -25,8 +25,7 @@
#include "pointerTo.h" #include "pointerTo.h"
#include "pmap.h" #include "pmap.h"
#include "auxSceneData.h" #include "auxSceneData.h"
#include "displayRegionBase.h"
class DisplayRegion;
//////////////////////////////////////////////////////////////////// ////////////////////////////////////////////////////////////////////
// Class : Camera // Class : Camera
@ -54,7 +53,7 @@ PUBLISHED:
INLINE const NodePath &get_scene() const; INLINE const NodePath &get_scene() const;
INLINE int get_num_display_regions() const; INLINE int get_num_display_regions() const;
INLINE DisplayRegion *get_display_region(int n) const; INLINE DisplayRegionBase *get_display_region(int n) const;
MAKE_SEQ(get_display_regions, get_num_display_regions, get_display_region); MAKE_SEQ(get_display_regions, get_num_display_regions, get_display_region);
INLINE void set_camera_mask(DrawMask mask); INLINE void set_camera_mask(DrawMask mask);
@ -84,8 +83,8 @@ PUBLISHED:
int cleanup_aux_scene_data(Thread *current_thread = Thread::get_current_thread()); int cleanup_aux_scene_data(Thread *current_thread = Thread::get_current_thread());
private: private:
void add_display_region(DisplayRegion *display_region); void add_display_region(DisplayRegionBase *display_region);
void remove_display_region(DisplayRegion *display_region); void remove_display_region(DisplayRegionBase *display_region);
bool _active; bool _active;
NodePath _scene; NodePath _scene;
@ -94,7 +93,7 @@ private:
DrawMask _camera_mask; DrawMask _camera_mask;
typedef pvector<DisplayRegion *> DisplayRegions; typedef pvector<DisplayRegionBase *> DisplayRegions;
DisplayRegions _display_regions; DisplayRegions _display_regions;
CPT(RenderState) _initial_state; CPT(RenderState) _initial_state;