diff options
Diffstat (limited to '')
| -rw-r--r-- | src/video_core/renderer_opengl/gl_shader_gen.cpp | 18 |
1 files changed, 7 insertions, 11 deletions
diff --git a/src/video_core/renderer_opengl/gl_shader_gen.cpp b/src/video_core/renderer_opengl/gl_shader_gen.cpp index abcc89f1d..cb570c4d2 100644 --- a/src/video_core/renderer_opengl/gl_shader_gen.cpp +++ b/src/video_core/renderer_opengl/gl_shader_gen.cpp @@ -324,6 +324,7 @@ std::string GenerateFragmentShader(const PicaShaderConfig& config) { #define NUM_TEV_STAGES 6 #define NUM_LIGHTS 8 #define LIGHTING_LUT_SIZE 256 +#define FLOAT_255 0.99609375 in vec4 primary_color; in vec2 texcoord[3]; @@ -347,15 +348,10 @@ layout (std140) uniform shader_data { float depth_offset; vec3 lighting_global_ambient; LightSrc light_src[NUM_LIGHTS]; - vec4 lighting_lut_0[LIGHTING_LUT_SIZE]; - vec4 lighting_lut_1[LIGHTING_LUT_SIZE]; - vec4 lighting_lut_2[LIGHTING_LUT_SIZE]; - vec4 lighting_lut_3[LIGHTING_LUT_SIZE]; - vec4 lighting_lut_4[LIGHTING_LUT_SIZE]; - vec4 lighting_lut_5[LIGHTING_LUT_SIZE]; }; uniform sampler2D tex[3]; +uniform sampler1D lut[6]; void main() { vec4 primary_fragment_color = vec4(0.0); @@ -404,11 +400,11 @@ vec4 secondary_fragment_color = vec4(0.0); if (abs) { // In the range of [ 0.f, 1.f] index = config.light_src[light_num].two_sided_diffuse ? "abs(" + index + ")" : "max(" + index + ", 0.f)"; - return "clamp(int(" + index + " * 256.0), 0, 255)"; + return "clamp(" + index + ", 0.0, FLOAT_255)"; } else { // In the range of [-1.f, 1.f] index = "clamp(" + index + ", -1.0, 1.0)"; - return std::string("uint(int(" + index + " * 127.f) & 0xff)"); + return "clamp(((" + index + " < 0) ? " + index + " + 2.0 : " + index + ") / 2.0, 0.0, FLOAT_255)"; } return std::string(); @@ -435,10 +431,10 @@ vec4 secondary_fragment_color = vec4(0.0); std::string scale = std::to_string(config.light_src[light_index].dist_atten_scale); std::string bias = std::to_string(config.light_src[light_index].dist_atten_bias); std::string lut_index = "(" + scale + " * length(fragment_position - " + light_src + ".position) + " + bias + ")"; - std::string clamped_lut_index = "((clamp(int(" + lut_index + " * 256.0), 0, 255)))"; + std::string clamped_lut_index = "((clamp(" + lut_index + ", 0.0, FLOAT_255)))"; const unsigned lut_num = ((unsigned)Regs::LightingSampler::DistanceAttenuation + num); - out += "dist_atten = lighting_lut_" + std::to_string(lut_num / 4) + "[" + clamped_lut_index + "][" + std::to_string(lut_num & 3) + "];\n"; + out += "dist_atten = texture(lut[" + std::to_string(lut_num / 4) + "], " + clamped_lut_index + ")[" + std::to_string(lut_num & 3) + "];\n"; } // Compute primary fragment color (diffuse lighting) function @@ -447,7 +443,7 @@ vec4 secondary_fragment_color = vec4(0.0); // Compute secondary fragment color (specular lighting) function std::string clamped_lut_index = GetLutIndex(num, config.lighting_lut.d0_type, config.lighting_lut.d0_abs); const unsigned lut_num = (unsigned)Regs::LightingSampler::Distribution0; - std::string lut_lookup = "lighting_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"; } |