mirror of
https://github.com/panda3d/panda3d.git
synced 2025-10-04 10:54:24 -04:00
273 lines
8.9 KiB
C++
273 lines
8.9 KiB
C++
// Filename: tinyOsxGraphicsPipe.cxx
|
|
// Created by: drose (12May08)
|
|
//
|
|
////////////////////////////////////////////////////////////////////
|
|
//
|
|
// 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 "pandabase.h"
|
|
|
|
#if defined(IS_OSX) && !defined(BUILD_IPHONE)
|
|
|
|
#include "tinyOsxGraphicsPipe.h"
|
|
#include "config_tinydisplay.h"
|
|
#include "tinyOsxGraphicsWindow.h"
|
|
#include "tinyGraphicsBuffer.h"
|
|
#include "pnmImage.h"
|
|
#include "subprocessWindow.h"
|
|
#include "nativeWindowHandle.h"
|
|
|
|
TypeHandle TinyOsxGraphicsPipe::_type_handle;
|
|
|
|
////////////////////////////////////////////////////////////////////
|
|
// Function: TinyOsxGraphicsPipe::Constructor
|
|
// Access: Public
|
|
// Description:
|
|
////////////////////////////////////////////////////////////////////
|
|
TinyOsxGraphicsPipe::
|
|
TinyOsxGraphicsPipe() {
|
|
CGRect display_bounds = CGDisplayBounds(kCGDirectMainDisplay);
|
|
_display_width = CGRectGetWidth(display_bounds);
|
|
_display_height = CGRectGetHeight(display_bounds);
|
|
}
|
|
|
|
////////////////////////////////////////////////////////////////////
|
|
// Function: TinyOsxGraphicsPipe::Destructor
|
|
// Access: Public, Virtual
|
|
// Description:
|
|
////////////////////////////////////////////////////////////////////
|
|
TinyOsxGraphicsPipe::
|
|
~TinyOsxGraphicsPipe() {
|
|
}
|
|
|
|
////////////////////////////////////////////////////////////////////
|
|
// Function: TinyOsxGraphicsPipe::get_interface_name
|
|
// Access: Published, Virtual
|
|
// Description: Returns the name of the rendering interface
|
|
// associated with this GraphicsPipe. This is used to
|
|
// present to the user to allow him/her to choose
|
|
// between several possible GraphicsPipes available on a
|
|
// particular platform, so the name should be meaningful
|
|
// and unique for a given platform.
|
|
////////////////////////////////////////////////////////////////////
|
|
string TinyOsxGraphicsPipe::
|
|
get_interface_name() const {
|
|
return "TinyPanda";
|
|
}
|
|
|
|
////////////////////////////////////////////////////////////////////
|
|
// Function: TinyOsxGraphicsPipe::pipe_constructor
|
|
// Access: Public, Static
|
|
// Description: This function is passed to the GraphicsPipeSelection
|
|
// object to allow the user to make a default
|
|
// TinyOsxGraphicsPipe.
|
|
////////////////////////////////////////////////////////////////////
|
|
PT(GraphicsPipe) TinyOsxGraphicsPipe::
|
|
pipe_constructor() {
|
|
return new TinyOsxGraphicsPipe;
|
|
}
|
|
|
|
////////////////////////////////////////////////////////////////////
|
|
// Function: TinyOsxGraphicsPipe::create_cg_image
|
|
// Access: Public, Static
|
|
// Description: Creates a new Quartz bitmap image with the data in
|
|
// the indicated PNMImage. The caller should eventually
|
|
// free this image via CGImageRelease.
|
|
////////////////////////////////////////////////////////////////////
|
|
CGImageRef TinyOsxGraphicsPipe::
|
|
create_cg_image(const PNMImage &pnm_image) {
|
|
size_t width = pnm_image.get_x_size();
|
|
size_t height = pnm_image.get_y_size();
|
|
|
|
#ifdef PGM_BIGGRAYS
|
|
size_t bytes_per_component = 2;
|
|
#else
|
|
size_t bytes_per_component = 1;
|
|
#endif
|
|
size_t bits_per_component = bytes_per_component * 8;
|
|
size_t num_components = pnm_image.get_num_channels();
|
|
|
|
size_t bits_per_pixel = num_components * bits_per_component;
|
|
size_t bytes_per_row = num_components * bytes_per_component * width;
|
|
|
|
size_t num_bytes = bytes_per_row * height;
|
|
bool has_alpha;
|
|
bool is_grayscale;
|
|
|
|
CFStringRef color_space_name = NULL;
|
|
switch (pnm_image.get_color_type()) {
|
|
case PNMImage::CT_grayscale:
|
|
color_space_name = kCGColorSpaceGenericGray;
|
|
has_alpha = false;
|
|
is_grayscale = true;
|
|
break;
|
|
|
|
case PNMImage::CT_two_channel:
|
|
color_space_name = kCGColorSpaceGenericGray;
|
|
has_alpha = true;
|
|
is_grayscale = true;
|
|
break;
|
|
|
|
case PNMImage::CT_color:
|
|
color_space_name = kCGColorSpaceGenericRGB;
|
|
has_alpha = false;
|
|
is_grayscale = false;
|
|
break;
|
|
|
|
case PNMImage::CT_four_channel:
|
|
color_space_name = kCGColorSpaceGenericRGB;
|
|
has_alpha = true;
|
|
is_grayscale = false;
|
|
break;
|
|
|
|
case PNMImage::CT_invalid:
|
|
// Shouldn't get here.
|
|
nassertr(false, NULL);
|
|
break;
|
|
}
|
|
nassertr(color_space_name != NULL, NULL);
|
|
|
|
CGColorSpaceRef color_space = CGColorSpaceCreateWithName(color_space_name);
|
|
nassertr(color_space != NULL, NULL);
|
|
|
|
CGBitmapInfo bitmap_info = 0;
|
|
#ifdef PGM_BIGGRAYS
|
|
bitmap_info |= kCGBitmapByteOrder16Host;
|
|
#endif
|
|
if (has_alpha) {
|
|
bitmap_info |= kCGImageAlphaLast;
|
|
}
|
|
|
|
// Now convert the pixel data to a format friendly to
|
|
// CGImageCreate().
|
|
char *char_array = (char *)PANDA_MALLOC_ARRAY(num_bytes);
|
|
|
|
xelval *dp = (xelval *)char_array;
|
|
for (size_t yi = 0; yi < height; ++yi) {
|
|
for (size_t xi = 0; xi < width; ++xi) {
|
|
if (is_grayscale) {
|
|
*dp++ = (xelval)(pnm_image.get_gray(xi, yi) * PGM_MAXMAXVAL);
|
|
} else {
|
|
*dp++ = (xelval)(pnm_image.get_red(xi, yi) * PGM_MAXMAXVAL);
|
|
*dp++ = (xelval)(pnm_image.get_green(xi, yi) * PGM_MAXMAXVAL);
|
|
*dp++ = (xelval)(pnm_image.get_blue(xi, yi) * PGM_MAXMAXVAL);
|
|
}
|
|
if (has_alpha) {
|
|
*dp++ = (xelval)(pnm_image.get_alpha(xi, yi) * PGM_MAXMAXVAL);
|
|
}
|
|
}
|
|
}
|
|
nassertr((void *)dp == (void *)(char_array + num_bytes), NULL);
|
|
|
|
CGDataProviderRef provider =
|
|
CGDataProviderCreateWithData(NULL, char_array, num_bytes, release_data);
|
|
nassertr(provider != NULL, NULL);
|
|
|
|
CGImageRef image = CGImageCreate
|
|
(width, height, bits_per_component, bits_per_pixel, bytes_per_row,
|
|
color_space, bitmap_info, provider,
|
|
NULL, false, kCGRenderingIntentDefault);
|
|
nassertr(image != NULL, NULL);
|
|
|
|
CGColorSpaceRelease(color_space);
|
|
CGDataProviderRelease(provider);
|
|
|
|
return image;
|
|
}
|
|
|
|
////////////////////////////////////////////////////////////////////
|
|
// Function: TinyOsxGraphicsPipe::release_data
|
|
// Access: Private, Static
|
|
// Description: This callback is assigned to delete the data array
|
|
// allocated within create_cg_image().
|
|
////////////////////////////////////////////////////////////////////
|
|
void TinyOsxGraphicsPipe::
|
|
release_data(void *info, const void *data, size_t size) {
|
|
char *char_array = (char *)data;
|
|
PANDA_FREE_ARRAY(char_array);
|
|
}
|
|
|
|
////////////////////////////////////////////////////////////////////
|
|
// Function: TinyOsxGraphicsPipe::make_output
|
|
// Access: Protected, Virtual
|
|
// Description: Creates a new window or buffer on the pipe, if possible.
|
|
// This routine is only called from GraphicsEngine::make_output.
|
|
////////////////////////////////////////////////////////////////////
|
|
PT(GraphicsOutput) TinyOsxGraphicsPipe::
|
|
make_output(const string &name,
|
|
const FrameBufferProperties &fb_prop,
|
|
const WindowProperties &win_prop,
|
|
int flags,
|
|
GraphicsEngine *engine,
|
|
GraphicsStateGuardian *gsg,
|
|
GraphicsOutput *host,
|
|
int retry,
|
|
bool &precertify) {
|
|
|
|
if (!_is_valid) {
|
|
return NULL;
|
|
}
|
|
|
|
TinyGraphicsStateGuardian *tinygsg = 0;
|
|
if (gsg != 0) {
|
|
DCAST_INTO_R(tinygsg, gsg, NULL);
|
|
}
|
|
|
|
// First thing to try: a TinyOsxGraphicsWindow
|
|
|
|
if (retry == 0) {
|
|
if (((flags&BF_require_parasite)!=0)||
|
|
((flags&BF_refuse_window)!=0)||
|
|
((flags&BF_resizeable)!=0)||
|
|
((flags&BF_size_track_host)!=0)||
|
|
((flags&BF_rtt_cumulative)!=0)||
|
|
((flags&BF_can_bind_color)!=0)||
|
|
((flags&BF_can_bind_every)!=0)) {
|
|
return NULL;
|
|
}
|
|
if ((flags & BF_fb_props_optional)==0) {
|
|
if ((fb_prop.get_aux_rgba() > 0)||
|
|
(fb_prop.get_aux_hrgba() > 0)||
|
|
(fb_prop.get_aux_float() > 0)) {
|
|
return NULL;
|
|
}
|
|
}
|
|
WindowHandle *window_handle = win_prop.get_parent_window();
|
|
if (window_handle != NULL) {
|
|
tinydisplay_cat.info()
|
|
<< "Got parent_window " << *window_handle << "\n";
|
|
#ifdef SUPPORT_SUBPROCESS_WINDOW
|
|
WindowHandle::OSHandle *os_handle = window_handle->get_os_handle();
|
|
if (os_handle != NULL &&
|
|
os_handle->is_of_type(NativeWindowHandle::SubprocessHandle::get_class_type())) {
|
|
return new SubprocessWindow(engine, this, name, fb_prop, win_prop,
|
|
flags, gsg, host);
|
|
}
|
|
#endif // SUPPORT_SUBPROCESS_WINDOW
|
|
}
|
|
return new TinyOsxGraphicsWindow(engine, this, name, fb_prop, win_prop,
|
|
flags, gsg, host);
|
|
}
|
|
|
|
// Second thing to try: a TinyGraphicsBuffer
|
|
if (retry == 1) {
|
|
if (((flags&BF_require_parasite)!=0)||
|
|
((flags&BF_require_window)!=0)) {
|
|
return NULL;
|
|
}
|
|
return new TinyGraphicsBuffer(engine, this, name, fb_prop, win_prop, flags, gsg, host);
|
|
}
|
|
|
|
// Nothing else left to try.
|
|
return NULL;
|
|
}
|
|
|
|
#endif // IS_OSX
|