TheCloud/panda3d
1
0
Fork 0
mirror of https://github.com/panda3d/panda3d.git synced 2025-10-03 02:15:43 -04:00
Code Issues Packages Projects Releases Wiki Activity

materials

Browse Source
This commit is contained in:
David Rose 2008-05-06 00:17:30 +00:00
parent 45c2aafe47
commit c21f899710
2 changed files with 79 additions and 71 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

142
panda/src/tinydisplay/tinyGraphicsStateGuardian.cxx
View File

@ -1027,18 +1027,14 @@ begin_draw_primitives(const GeomPipelineReader *geom_reader,
GeomVertexReader rvertex(data_reader, InternalName::get_vertex());
rvertex.set_row(_min_vertex);
if (!needs_color) {
if (_c->color_material_enabled) {
float *d = _c->current_color.v;
GLParam q[7];
q[0].op = OP_Material;
q[1].i = _c->current_color_material_mode;
q[2].i = _c->current_color_material_type;
q[3].f = d[0];
q[4].f = d[1];
q[5].f = d[2];
q[6].f = d[3];
glopMaterial(_c, q);
if (!needs_color && _color_material_flags) {
if (_color_material_flags & CMF_ambient) {
_c->materials[0].ambient = _c->current_color;
_c->materials[1].ambient = _c->current_color;
}
if (_color_material_flags & CMF_diffuse) {
_c->materials[0].diffuse = _c->current_color;
_c->materials[1].diffuse = _c->current_color;
}
}
@ -1070,17 +1066,16 @@ begin_draw_primitives(const GeomPipelineReader *geom_reader,
_c->current_color.Y = d[1];
_c->current_color.Z = d[2];
_c->current_color.W = d[3];
if (_c->color_material_enabled) {
GLParam q[7];
q[0].op = OP_Material;
q[1].i = _c->current_color_material_mode;
q[2].i = _c->current_color_material_type;
q[3].f = d[0];
q[4].f = d[1];
q[5].f = d[2];
q[6].f = d[3];
glopMaterial(_c, q);
if (_color_material_flags) {
if (_color_material_flags & CMF_ambient) {
_c->materials[0].ambient = _c->current_color;
_c->materials[1].ambient = _c->current_color;
}
if (_color_material_flags & CMF_diffuse) {
_c->materials[0].diffuse = _c->current_color;
_c->materials[1].diffuse = _c->current_color;
}
}
}
@ -1987,57 +1982,16 @@ do_issue_material() {
material = _target._material->get_material();
}
GLenum face = material->get_twoside() ? GL_FRONT_AND_BACK : GL_FRONT;
// Apply the material parameters to the front face.
setup_material(&_c->materials[0], material);
glMaterialfv(face, GL_SPECULAR, (GLfloat *)material->get_specular().get_data());
glMaterialfv(face, GL_EMISSION, (GLfloat *)material->get_emission().get_data());
glMaterialf(face, GL_SHININESS, material->get_shininess());
if (material->has_ambient() && material->has_diffuse()) {
// The material has both an ambient and diffuse specified. This
// means we do not need glMaterialColor().
glDisable(GL_COLOR_MATERIAL);
glMaterialfv(face, GL_AMBIENT, (GLfloat *)material->get_ambient().get_data());
glMaterialfv(face, GL_DIFFUSE, (GLfloat *)material->get_diffuse().get_data());
} else if (material->has_ambient()) {
// The material specifies an ambient, but not a diffuse component.
// The diffuse component comes from the object's color.
glMaterialfv(face, GL_AMBIENT, (GLfloat *)material->get_ambient().get_data());
if (_has_material_force_color) {
glDisable(GL_COLOR_MATERIAL);
glMaterialfv(face, GL_DIFFUSE, (GLfloat *)_material_force_color.get_data());
} else {
glColorMaterial(face, GL_DIFFUSE);
glEnable(GL_COLOR_MATERIAL);
}
} else if (material->has_diffuse()) {
// The material specifies a diffuse, but not an ambient component.
// The ambient component comes from the object's color.
glMaterialfv(face, GL_DIFFUSE, (GLfloat *)material->get_diffuse().get_data());
if (_has_material_force_color) {
glDisable(GL_COLOR_MATERIAL);
glMaterialfv(face, GL_AMBIENT, (GLfloat *)_material_force_color.get_data());
} else {
glColorMaterial(face, GL_AMBIENT);
glEnable(GL_COLOR_MATERIAL);
}
} else {
// The material specifies neither a diffuse nor an ambient
// component. Both components come from the object's color.
if (_has_material_force_color) {
glDisable(GL_COLOR_MATERIAL);
glMaterialfv(face, GL_AMBIENT, (GLfloat *)_material_force_color.get_data());
glMaterialfv(face, GL_DIFFUSE, (GLfloat *)_material_force_color.get_data());
} else {
glColorMaterial(face, GL_AMBIENT_AND_DIFFUSE);
glEnable(GL_COLOR_MATERIAL);
}
if (material->get_twoside()) {
// Also apply the material parameters to the back face.
setup_material(&_c->materials[1], material);
}
glLightModeli(GL_LIGHT_MODEL_LOCAL_VIEWER, material->get_local());
_c->local_light_model = material->get_local();
_c->light_model_two_side = material->get_twoside();
}
////////////////////////////////////////////////////////////////////
@ -2582,6 +2536,52 @@ copy_rgba_image(GLTexture *gltex, Texture *tex) {
}
}
////////////////////////////////////////////////////////////////////
// Function: TinyGraphicsStateGuardian::setup_material
// Access: Private
// Description: Applies the desired parametesr to the indicated
// GLMaterial object.
////////////////////////////////////////////////////////////////////
void TinyGraphicsStateGuardian::
setup_material(GLMaterial *gl_material, const Material *material) {
const Colorf &specular = material->get_specular();
gl_material->specular.X = specular[0];
gl_material->specular.Y = specular[1];
gl_material->specular.Z = specular[2];
gl_material->specular.W = specular[3];
const Colorf &emission = material->get_emission();
gl_material->emission.X = emission[0];
gl_material->emission.Y = emission[1];
gl_material->emission.Z = emission[2];
gl_material->emission.W = emission[3];
gl_material->shininess = material->get_shininess();
gl_material->shininess_i = (int)((material->get_shininess() / 128.0f) * SPECULAR_BUFFER_RESOLUTION);
_color_material_flags = CMF_ambient | CMF_diffuse;
if (material->has_ambient()) {
const Colorf &ambient = material->get_ambient();
gl_material->ambient.X = ambient[0];
gl_material->ambient.Y = ambient[1];
gl_material->ambient.Z = ambient[2];
gl_material->ambient.W = ambient[3];
_color_material_flags &= ~CMF_ambient;
}
if (material->has_diffuse()) {
const Colorf &diffuse = material->get_diffuse();
gl_material->diffuse.X = diffuse[0];
gl_material->diffuse.Y = diffuse[1];
gl_material->diffuse.Z = diffuse[2];
gl_material->diffuse.W = diffuse[3];
_color_material_flags &= ~CMF_diffuse;
}
}
////////////////////////////////////////////////////////////////////
// Function: TinyGraphicsStateGuardian::load_matrix
// Access: Private, Static

8
panda/src/tinydisplay/tinyGraphicsStateGuardian.h
View File

@ -33,6 +33,7 @@ extern "C" {
class TinyTextureContext;
struct GLContext;
struct GLVertex;
struct GLMaterial;
struct GLTexture;
////////////////////////////////////////////////////////////////////
@ -117,6 +118,7 @@ private:
static void copy_rgb_image(GLTexture *gltex, Texture *tex);
static void copy_rgba_image(GLTexture *gltex, Texture *tex);
void setup_material(GLMaterial *gl_material, const Material *material);
static void load_matrix(M4 *matrix, const TransformState *transform);
INLINE static GLenum get_light_id(int index);
@ -128,6 +130,12 @@ public:
private:
GLContext *_c;
enum ColorMaterialFlags {
CMF_ambient = 0x001,
CMF_diffuse = 0x002,
};
int _color_material_flags;
// Used during being_draw_primitives() .. end_draw_primitives().
int _min_vertex;
int _max_vertex;