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ShaderGenerator: fixes for combine alpha blending

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rdb 2018-01-15 12:20:27 +01:00
parent 6a323081c0
commit 1cada85e6b
1 changed files with 2 additions and 3 deletions
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5
panda/src/pgraphnodes/shaderGenerator.cxx
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@ -1444,7 +1444,7 @@ synthesize_shader(const RenderState *rs, const GeomVertexAnimationSpec &anim) {
text << "\t result.rgb = ";
text << combine_mode_as_string(tex, combine_rgb, false, i);
text << ";\n\t result.a = ";
text << combine_mode_as_string(tex, combine_alpha, false, i);
text << combine_mode_as_string(tex, combine_alpha, true, i);
text << ";\n";
}
if (tex._flags & ShaderKey::TF_rgb_scale_2) {
@ -1667,6 +1667,7 @@ combine_source_as_string(const ShaderKey::TextureInfo &info, short num, bool alp
csource << "saturate(1.0f - ";
}
switch (c_src) {
case TextureStage::CS_undefined:
case TextureStage::CS_texture:
csource << "tex" << texindex;
break;
@ -1685,8 +1686,6 @@ combine_source_as_string(const ShaderKey::TextureInfo &info, short num, bool alp
case TextureStage::CS_last_saved_result:
csource << "last_saved_result";
break;
case TextureStage::CS_undefined:
break;
}
if (c_op == TextureStage::CO_one_minus_src_color ||
c_op == TextureStage::CO_one_minus_src_alpha) {