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rasterizer: implement combiner operation 7 (Dot3_RGBA)

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This commit is contained in:
wwylele 2017-04-19 23:48:10 +03:00
parent 6a72bd62b5
commit b624a95205
4 changed files with 38 additions and 19 deletions
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29
src/video_core/renderer_opengl/gl_shader_gen.cpp
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@ -230,6 +230,7 @@ static void AppendColorCombiner(std::string& out, TevStageConfig::Operation oper
variable_name + "[2]";
break;
case Operation::Dot3_RGB:
case Operation::Dot3_RGBA:
out += "vec3(dot(" + variable_name + "[0] - vec3(0.5), " + variable_name +
"[1] - vec3(0.5)) * 4.0)";
break;
@ -329,17 +330,25 @@ static void WriteTevStage(std::string& out, const PicaShaderConfig& config, unsi
AppendColorCombiner(out, stage.color_op, "color_results_" + index_name);
out += ";\n";
out += "float alpha_results_" + index_name + "[3] = float[3](";
AppendAlphaModifier(out, config, stage.alpha_modifier1, stage.alpha_source1, index_name);
out += ", ";
AppendAlphaModifier(out, config, stage.alpha_modifier2, stage.alpha_source2, index_name);
out += ", ";
AppendAlphaModifier(out, config, stage.alpha_modifier3, stage.alpha_source3, index_name);
out += ");\n";
if (stage.color_op == TevStageConfig::Operation::Dot3_RGBA) {
// result of Dot3_RGBA operation is also placed to the alpha component
out += "float alpha_output_" + index_name + " = color_output_" + index_name + "[0];\n";
} else {
out += "float alpha_results_" + index_name + "[3] = float[3](";
AppendAlphaModifier(out, config, stage.alpha_modifier1, stage.alpha_source1,
index_name);
out += ", ";
AppendAlphaModifier(out, config, stage.alpha_modifier2, stage.alpha_source2,
index_name);
out += ", ";
AppendAlphaModifier(out, config, stage.alpha_modifier3, stage.alpha_source3,
index_name);
out += ");\n";
out += "float alpha_output_" + index_name + " = ";
AppendAlphaCombiner(out, stage.alpha_op, "alpha_results_" + index_name);
out += ";\n";
out += "float alpha_output_" + index_name + " = ";
AppendAlphaCombiner(out, stage.alpha_op, "alpha_results_" + index_name);
out += ";\n";
}
out += "last_tex_env_out = vec4("
"clamp(color_output_" +