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Slight performance enhancement under OpenGL ES 2

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rdb 2013-04-06 23:11:45 +00:00
parent 4f50f8de90
commit 1d25aefd0b
1 changed files with 10 additions and 7 deletions
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17
panda/src/glstuff/glGraphicsStateGuardian_src.cxx
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@ -2076,17 +2076,18 @@ calc_projection_mat(const Lens *lens) {
////////////////////////////////////////////////////////////////////
bool CLP(GraphicsStateGuardian)::
prepare_lens() {
#ifndef OPENGLES_2
if (GLCAT.is_spam()) {
GLCAT.spam()
<< "glMatrixMode(GL_PROJECTION): " << _projection_mat->get_mat() << endl;
}
#ifndef OPENGLES_2
GLP(MatrixMode)(GL_PROJECTION);
GLPf(LoadMatrix)(_projection_mat->get_mat().get_data());
#endif
report_my_gl_errors();
do_point_size();
#endif
return true;
}
@ -4488,6 +4489,9 @@ apply_fog(Fog *fog) {
////////////////////////////////////////////////////////////////////
void CLP(GraphicsStateGuardian)::
do_issue_transform() {
#ifndef OPENGLES_2
// OpenGL ES 2 does not support glLoadMatrix.
const TransformState *transform = _internal_transform;
if (GLCAT.is_spam()) {
GLCAT.spam()
@ -4495,15 +4499,14 @@ do_issue_transform() {
}
DO_PSTATS_STUFF(_transform_state_pcollector.add_level(1));
#ifndef OPENGLES_2
GLP(MatrixMode)(GL_MODELVIEW);
GLPf(LoadMatrix)(transform->get_mat().get_data());
#endif
_transform_stale = false;
if (_auto_rescale_normal) {
do_auto_rescale_normal();
}
#endif
_transform_stale = false;
#ifndef OPENGLES_1
if (_current_shader_context) {
@ -4713,13 +4716,13 @@ do_issue_antialias() {
////////////////////////////////////////////////////////////////////
void CLP(GraphicsStateGuardian)::
do_issue_rescale_normal() {
#ifndef OPENGLES_2 // OpenGL ES 2.0 doesn't support rescaling normals.
const RescaleNormalAttrib *target_rescale_normal = DCAST(RescaleNormalAttrib, _target_rs->get_attrib_def(RescaleNormalAttrib::get_class_slot()));
RescaleNormalAttrib::Mode mode = target_rescale_normal->get_mode();
_auto_rescale_normal = false;
switch (mode) {
#ifndef OPENGLES_2 // OpenGL ES 2.0 doesn't support rescaling normals.
case RescaleNormalAttrib::M_none:
GLP(Disable)(GL_NORMALIZE);
if (_supports_rescale_normal && support_rescale_normal) {
@ -4742,7 +4745,6 @@ do_issue_rescale_normal() {
GLP(Disable)(GL_RESCALE_NORMAL);
}
break;
#endif
case RescaleNormalAttrib::M_auto:
_auto_rescale_normal = true;
@ -4754,6 +4756,7 @@ do_issue_rescale_normal() {
<< "Unknown rescale_normal mode " << (int)mode << endl;
}
report_my_gl_errors();
#endif
}
// PandaCompareFunc - 1 + 0x200 === GL_NEVER, etc. order is sequential