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Fixed ugly radeon driver bug

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This commit is contained in:
Josh Yelon 2007-05-23 21:49:34 +00:00
parent 4854ec070c
commit 15e0dcd9a0
1 changed files with 29 additions and 40 deletions
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69
panda/src/glstuff/glGraphicsStateGuardian_src.cxx
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@ -3384,7 +3384,6 @@ do_issue_shader() {
set_shader_expansion(expansion);
}
}
if (expansion) {
context = (CLP(ShaderContext) *)(expansion->prepare_now(get_prepared_objects(), this));
}
@ -5640,6 +5639,7 @@ set_state_and_transform(const RenderState *target,
target->write(gsg_cat.spam(false), 2);
}
#endif
_state_pcollector.add_level(1);
if (transform != _internal_transform) {
@ -5699,16 +5699,11 @@ set_state_and_transform(const RenderState *target,
_state._depth_write = _target._depth_write;
}
if (_target._fog != _state._fog) {
do_issue_fog();
_state._fog = _target._fog;
}
if (_target._render_mode != _state._render_mode) {
do_issue_render_mode();
_state._render_mode = _target._render_mode;
}
if (_target._rescale_normal != _state._rescale_normal) {
do_issue_rescale_normal();
_state._rescale_normal = _target._rescale_normal;
@ -5734,6 +5729,17 @@ set_state_and_transform(const RenderState *target,
_state._texture = 0;
}
if (_target._texture != _state._texture) {
determine_effective_texture();
int prev_active = _num_active_texture_stages;
do_issue_texture();
if (prev_active != _num_active_texture_stages) {
_state._tex_gen = 0;
_state._tex_matrix = 0;
}
_state._texture = _target._texture;
}
// If one of the previously-loaded TexGen modes modified the texture
// matrix, then if either state changed, we have to change both of
// them now.
@ -5744,22 +5750,17 @@ set_state_and_transform(const RenderState *target,
_state._tex_gen = 0;
}
}
if (_target._texture != _state._texture ||
_target._tex_gen != _state._tex_gen) {
determine_effective_texture();
do_issue_texture();
do_issue_tex_gen();
_state._texture = _target._texture;
_state._tex_gen = _target._tex_gen;
_state._tex_matrix = 0;
}
if (_target._tex_matrix != _state._tex_matrix) {
do_issue_tex_matrix();
_state._tex_matrix = _target._tex_matrix;
}
if (_target._tex_gen != _state._tex_gen) {
do_issue_tex_gen();
_state._tex_gen = _target._tex_gen;
}
if (_target._material != _state._material) {
do_issue_material();
_state._material = _target._material;
@ -5774,6 +5775,13 @@ set_state_and_transform(const RenderState *target,
do_issue_stencil();
_state._stencil = _target._stencil;
}
if (_current_shader_context == 0) {
if (_target._fog != _state._fog) {
do_issue_fog();
_state._fog = _target._fog;
}
}
_state_rs = _target_rs;
}
@ -6033,13 +6041,6 @@ update_standard_texture_bindings() {
GLP(TexEnvi)(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, glmode);
}
GLP(MatrixMode)(GL_TEXTURE);
if (_target._tex_matrix->has_stage(stage)) {
GLP(LoadMatrixf)(_target._tex_matrix->get_mat(stage).get_data());
} else {
GLP(LoadIdentity)();
}
if (stage->get_saved_result()) {
// This texture's result will be "saved" for a future stage's
// input.
@ -6062,17 +6063,11 @@ update_standard_texture_bindings() {
if (_supports_cube_map) {
GLP(Disable)(GL_TEXTURE_CUBE_MAP);
}
// This shouldn't be necessary, but a bug in the radeon
// driver makes it so.
glDisable(GL_TEXTURE_GEN_R);
glDisable(GL_TEXTURE_GEN_S);
glDisable(GL_TEXTURE_GEN_T);
glDisable(GL_TEXTURE_GEN_Q);
}
// Save the count of texture stages for next time.
_num_active_texture_stages = num_stages;
report_my_gl_errors();
}
@ -6095,12 +6090,6 @@ disable_standard_texture_bindings() {
if (_supports_cube_map) {
GLP(Disable)(GL_TEXTURE_CUBE_MAP);
}
// This shouldn't be necessary, but a bug in the radeon
// driver makes it so.
glDisable(GL_TEXTURE_GEN_R);
glDisable(GL_TEXTURE_GEN_S);
glDisable(GL_TEXTURE_GEN_T);
glDisable(GL_TEXTURE_GEN_Q);
}
_num_active_texture_stages = 0;
@ -6133,7 +6122,7 @@ do_issue_tex_matrix() {
// an identity matrix does work. But this buggy-driver
// workaround might have other performance implications, so I
// leave it out.
//GLP(LoadMatrixf)(LMatrix4f::ident_mat().get_data());
// GLP(LoadMatrixf)(LMatrix4f::ident_mat().get_data());
}
}
report_my_gl_errors();