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Collect supported shader binary formats

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This commit is contained in:
rdb 2015-12-26 20:07:28 +01:00
parent dafe48a6bc
commit 9e14c16e1a
2 changed files with 31 additions and 0 deletions
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30
panda/src/glstuff/glGraphicsStateGuardian_src.cxx
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@ -2487,6 +2487,7 @@ reset() {
#ifndef OPENGLES
_supports_get_program_binary = false;
_program_binary_formats.clear();
if (is_at_least_gl_version(4, 1) || has_extension("GL_ARB_get_program_binary")) {
_glGetProgramBinary = (PFNGLGETPROGRAMBINARYPROC)
@ -2494,8 +2495,20 @@ reset() {
_glProgramParameteri = (PFNGLPROGRAMPARAMETERIPROC)
get_extension_func("glProgramParameteri");
GLint num_binary_formats = 0;
if (_glGetProgramBinary != NULL && _glProgramParameteri != NULL) {
glGetIntegerv(GL_NUM_PROGRAM_BINARY_FORMATS, &num_binary_formats);
}
if (num_binary_formats > 0) {
_supports_get_program_binary = true;
GLenum *binary_formats = (GLenum *)alloca(sizeof(GLenum) * num_binary_formats);
glGetIntegerv(GL_PROGRAM_BINARY_FORMATS, (GLint *)binary_formats);
for (int i = 0; i < num_binary_formats; ++i) {
_program_binary_formats.insert(binary_formats[i]);
}
}
}
#endif
@ -2683,6 +2696,23 @@ reset() {
report_my_gl_errors();
#ifndef OPENGLES
if (GLCAT.is_debug()) {
GLCAT.debug()
<< "Supported shader binary formats:\n";
GLCAT.debug() << " ";
pset<GLenum>::const_iterator it;
for (it = _program_binary_formats.begin();
it != _program_binary_formats.end(); ++it) {
char number[16];
sprintf(number, "0x%04X", *it);
GLCAT.debug(false) << " " << number << "";
}
GLCAT.debug(false) << "\n";
}
#endif
#ifndef OPENGLES
if (_gl_shadlang_ver_major >= 4 || has_extension("GL_NV_gpu_program5")) {
// gp5fp - OpenGL fragment profile for GeForce 400 Series and up

1
panda/src/glstuff/glGraphicsStateGuardian_src.h
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@ -671,6 +671,7 @@ protected:
GLint _max_image_units;
bool _supports_multi_bind;
bool _supports_get_program_binary;
pset<GLenum> _program_binary_formats;
#ifdef OPENGLES
bool _supports_depth24;