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OpenGL ES 2.x doesn't require glEnable/glDisable on GL_TEXTURE_* targets anymore, apparently.

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This commit is contained in:
rdb 2009-07-01 14:28:56 +00:00
parent f723c4d8d6
commit 442ef013c4
2 changed files with 29 additions and 15 deletions
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34
panda/src/glstuff/glGraphicsStateGuardian_src.cxx
View File

@ -7094,18 +7094,20 @@ update_standard_texture_bindings() {
_glActiveTexture(GL_TEXTURE0 + i);
// First, turn off the previous texture mode.
#ifndef OPENGLES_2
#ifndef OPENGLES
GLP(Disable)(GL_TEXTURE_1D);
#endif
#endif // OPENGLES
GLP(Disable)(GL_TEXTURE_2D);
if (_supports_3d_texture) {
#ifndef OPENGLES_1
GLP(Disable)(GL_TEXTURE_3D);
#endif
#endif // OPENGLES_1
}
if (_supports_cube_map) {
GLP(Disable)(GL_TEXTURE_CUBE_MAP);
}
#endif // OPENGLES_2
TextureContext *tc = texture->prepare_now(_prepared_objects, this);
if (tc == (TextureContext *)NULL) {
@ -7113,6 +7115,7 @@ update_standard_texture_bindings() {
break;
}
#ifndef OPENGLES_2
// Then, turn on the current texture mode.
GLenum target = get_texture_target(texture->get_texture_type());
if (target == GL_NONE) {
@ -7120,9 +7123,12 @@ update_standard_texture_bindings() {
break;
}
GLP(Enable)(target);
#endif
if (!update_texture(tc, false)) {
#ifndef OPENGLES_2
GLP(Disable)(target);
#endif
break;
}
@ -7248,6 +7254,7 @@ update_standard_texture_bindings() {
}
}
#ifndef OPENGLES_2
// Disable the texture stages that are no longer used.
for (i = num_stages; i < _num_active_texture_stages; i++) {
_glActiveTexture(GL_TEXTURE0 + i);
@ -7258,14 +7265,13 @@ update_standard_texture_bindings() {
if (_supports_3d_texture) {
#ifndef OPENGLES_1
GLP(Disable)(GL_TEXTURE_3D);
#endif
#endif // OPENGLES_1
}
#ifndef OPENGLES_2
if (_supports_cube_map) {
GLP(Disable)(GL_TEXTURE_CUBE_MAP);
}
#endif
}
#endif // OPENGLES_2
// Save the count of texture stages for next time.
_num_active_texture_stages = num_stages;
@ -7315,24 +7321,24 @@ update_show_usage_texture_bindings(int show_stage_index) {
tc->enqueue_lru(&_prepared_objects->_graphics_memory_lru);
}
#ifndef OPENGLES_2
// Disable all texture stages.
for (i = 0; i < _num_active_texture_stages; i++) {
_glActiveTexture(GL_TEXTURE0 + i);
#ifndef OPENGLES
GLP(Disable)(GL_TEXTURE_1D);
#endif
#endif // OPENGLES
GLP(Disable)(GL_TEXTURE_2D);
if (_supports_3d_texture) {
#ifndef OPENGLES_1
GLP(Disable)(GL_TEXTURE_3D);
#endif
#endif // OPENGLES_1
}
#ifndef OPENGLES_2
if (_supports_cube_map) {
GLP(Disable)(GL_TEXTURE_CUBE_MAP);
}
#endif
}
#endif
// Save the count of texture stages for next time.
_num_active_texture_stages = num_stages;
@ -7351,7 +7357,9 @@ update_show_usage_texture_bindings(int show_stage_index) {
// Choose the corresponding usage texture and apply it.
_glActiveTexture(GL_TEXTURE0 + i);
#ifndef OPENGLES_2
GLP(Enable)(GL_TEXTURE_2D);
#endif
UsageTextureKey key(texture->get_x_size(), texture->get_y_size());
UsageTextures::iterator ui = _usage_textures.find(key);
@ -7453,28 +7461,28 @@ upload_usage_texture(int width, int height) {
////////////////////////////////////////////////////////////////////
void CLP(GraphicsStateGuardian)::
disable_standard_texture_bindings() {
#ifndef OPENGLES_2
// Disable the texture stages that are no longer used.
for (int i = 0; i < _num_active_texture_stages; i++) {
_glActiveTexture(GL_TEXTURE0 + i);
#ifndef OPENGLES
GLP(Disable)(GL_TEXTURE_1D);
#endif
#endif // OPENGLES
GLP(Disable)(GL_TEXTURE_2D);
if (_supports_3d_texture) {
#ifndef OPENGLES_1
GLP(Disable)(GL_TEXTURE_3D);
#endif
#endif // OPENGLES_1
}
#ifndef OPENGLES_2
if (_supports_cube_map) {
GLP(Disable)(GL_TEXTURE_CUBE_MAP);
}
#endif
}
_num_active_texture_stages = 0;
report_my_gl_errors();
#endif // OPENGLES_2
}
////////////////////////////////////////////////////////////////////

10
panda/src/glstuff/glShaderContext_src.cxx
View File

@ -546,6 +546,7 @@ disable_shader_texture_bindings(GSG *gsg) {
return;
}
#ifndef OPENGLES_2
for (int i=0; i<(int)_shader->_tex_spec.size(); i++) {
if (_shader->get_language() == Shader::SL_GLSL) {
if (_shader->_tex_spec[i]._name == 0) {
@ -565,19 +566,20 @@ disable_shader_texture_bindings(GSG *gsg) {
}
#ifndef OPENGLES
GLP(Disable)(GL_TEXTURE_1D);
#endif
#endif // OPENGLES
GLP(Disable)(GL_TEXTURE_2D);
#ifndef OPENGLES_1
if (gsg->_supports_3d_texture) {
GLP(Disable)(GL_TEXTURE_3D);
}
#endif
#endif // OPENGLES_1
if (gsg->_supports_cube_map) {
GLP(Disable)(GL_TEXTURE_CUBE_MAP);
}
// This is probably faster - but maybe not as safe?
// cgGLDisableTextureParameter(p);
}
#endif // OPENGLES_2
_stage_offset = 0;
#ifdef HAVE_CG
@ -670,7 +672,9 @@ update_shader_texture_bindings(CLP(ShaderContext) *prev, GSG *gsg) {
// Unsupported texture mode.
continue;
}
#ifndef OPENGLES_2
GLP(Enable)(target);
#endif
gsg->apply_texture(tc);
if (_shader->get_language() == Shader::SL_GLSL) {
@ -679,7 +683,9 @@ update_shader_texture_bindings(CLP(ShaderContext) *prev, GSG *gsg) {
}
if (!gsg->update_texture(tc, false)) {
#ifndef OPENGLES_2
GLP(Disable)(target);
#endif
continue;
}
}