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Updated some comments

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This commit is contained in:
Josh Yelon 2008-01-29 17:07:11 +00:00
parent c7895b7c07
commit a918cb5ee1
1 changed files with 14 additions and 8 deletions
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22
panda/src/pgraph/shaderGenerator.cxx
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@ -182,12 +182,14 @@ analyze_renderstate(const RenderState *rs) {
rs->store_into_slots(&_attribs);
// Count number of textures.
_num_textures = 0;
if (_attribs._texture) {
_num_textures = _attribs._texture->get_num_on_stages();
}
// Determine whether or not vertex colors or flat colors are present.
if (_attribs._color != 0) {
if (_attribs._color->get_color_type() == ColorAttrib::T_vertex) {
_vertex_colors = true;
@ -375,19 +377,22 @@ create_shader_attrib(const string &txt) {
// fixed function pipeline by synthesizing a shader.
//
// Currently supports:
// - 2D textures
// - lights
// - vertex colors
// - flat colors
// - materials
// - vertex colors
// - lighting
// - normal maps
// - materials, but not updates to materials
// - modulated 2D textures
//
// Not yet supported:
// - 3D textures, cube textures
// - 3D textures
// - cube textures
// - texture stage modes: decal, blend, replace, add, etc.
// - color scale attrib
// - texgen
// - texmatrix
// - normal and gloss
// - lots of other things
// - gloss maps
// - glow maps
//
////////////////////////////////////////////////////////////////////
CPT(RenderAttrib) ShaderGenerator::
@ -664,7 +669,8 @@ synthesize_shader(const RenderState *rs) {
}
for (int i=0; i<_num_textures; i++) {
TextureStage *stage = _attribs._texture->get_on_stage(i);
if (stage->get_mode() != TextureStage::M_normal) {
if ((stage->get_mode() != TextureStage::M_normal)&&
(stage->get_mode() != TextureStage::M_normal_height)) {
text << "\t o_color *= tex" << i << ";\n";
}
}