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gl_shader_gen: Fix bug with lighting where clamp highlights was only applied to last light.

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This commit is contained in:
bunnei 2015-11-18 21:14:50 -05:00
parent 603b619cbe
commit bdc72d0904
1 changed files with 6 additions and 6 deletions
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12
src/video_core/renderer_opengl/gl_shader_gen.cpp
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@ -369,6 +369,7 @@ vec4 secondary_fragment_color = vec4(0.0);
out += "vec3 fragment_position = -view;\n"; out += "vec3 fragment_position = -view;\n";
out += "vec3 light_vector = vec3(0.0);\n"; out += "vec3 light_vector = vec3(0.0);\n";
out += "vec3 half_angle_vector = vec3(0.0);\n"; out += "vec3 half_angle_vector = vec3(0.0);\n";
out += "float clamp_highlights = 1.0;\n";
out += "float dist_atten = 1.0;\n"; out += "float dist_atten = 1.0;\n";
// Gets the index into the specified lookup table for specular lighting // Gets the index into the specified lookup table for specular lighting
@ -446,17 +447,16 @@ vec4 secondary_fragment_color = vec4(0.0);
const unsigned lut_num = (unsigned)Regs::LightingSampler::Distribution0; const unsigned lut_num = (unsigned)Regs::LightingSampler::Distribution0;
std::string lut_lookup = "texture(lut[" + std::to_string(lut_num / 4) + "], " + clamped_lut_index + ")[" + std::to_string(lut_num & 3) + "]"; std::string lut_lookup = "texture(lut[" + std::to_string(lut_num / 4) + "], " + clamped_lut_index + ")[" + std::to_string(lut_num & 3) + "]";
out += "specular_sum += (" + lut_lookup + " * light_src[" + std::to_string(num) + "].specular_0 * dist_atten);\n"; if (config.clamp_highlights) {
} out += "clamp_highlights = (dot(light_vector, normal) <= 0.0) ? 0.0 : 1.0;\n";
}
out += "float clamp_highlights = 1.0;\n"; out += "specular_sum += clamp_highlights * " + lut_lookup + " * light_src[" + std::to_string(num) + "].specular_0 * dist_atten;\n";
if (config.clamp_highlights) {
out += "if (dot(light_vector, normal) <= 0.0) clamp_highlights = 0.0;\n";
} }
out += "diffuse_sum += lighting_global_ambient;\n"; out += "diffuse_sum += lighting_global_ambient;\n";
out += "primary_fragment_color = vec4(clamp(diffuse_sum, vec3(0.0), vec3(1.0)), 1.0);\n"; out += "primary_fragment_color = vec4(clamp(diffuse_sum, vec3(0.0), vec3(1.0)), 1.0);\n";
out += "secondary_fragment_color = vec4(clamp(clamp_highlights * specular_sum, vec3(0.0), vec3(1.0)), 1.0);\n"; out += "secondary_fragment_color = vec4(clamp(specular_sum, vec3(0.0), vec3(1.0)), 1.0);\n";
} }
// Do not do any sort of processing if it's obvious we're not going to pass the alpha test // Do not do any sort of processing if it's obvious we're not going to pass the alpha test