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-rw-r--r--src/video_core/pica.h2
-rw-r--r--src/video_core/renderer_opengl/gl_rasterizer.cpp65
-rw-r--r--src/video_core/renderer_opengl/gl_rasterizer.h9
-rw-r--r--src/video_core/renderer_opengl/gl_shader_gen.cpp7
4 files changed, 67 insertions, 16 deletions
diff --git a/src/video_core/pica.h b/src/video_core/pica.h
index b82ecf68a..aad9effdc 100644
--- a/src/video_core/pica.h
+++ b/src/video_core/pica.h
@@ -1216,7 +1216,7 @@ struct State {
}
};
- std::array<LutEntry, 256> luts[24];
+ std::array<std::array<LutEntry, 256>, 24> luts;
} lighting;
/// Current Pica command list
diff --git a/src/video_core/renderer_opengl/gl_rasterizer.cpp b/src/video_core/renderer_opengl/gl_rasterizer.cpp
index 1e51a7655..80693fa29 100644
--- a/src/video_core/renderer_opengl/gl_rasterizer.cpp
+++ b/src/video_core/renderer_opengl/gl_rasterizer.cpp
@@ -162,6 +162,13 @@ void RasterizerOpenGL::DrawTriangles() {
state.draw.shader_dirty = false;
}
+ for (unsigned index = 0; index < Pica::g_state.lighting.luts.size(); index++) {
+ if (uniform_block_data.lut_dirty[index]) {
+ SyncLightingLUT(index);
+ uniform_block_data.lut_dirty[index] = false;
+ }
+ }
+
if (uniform_block_data.dirty) {
glBufferData(GL_UNIFORM_BUFFER, sizeof(UniformData), &uniform_block_data.data, GL_STATIC_DRAW);
uniform_block_data.dirty = false;
@@ -381,6 +388,21 @@ void RasterizerOpenGL::NotifyPicaRegisterChanged(u32 id) {
SyncGlobalAmbient();
break;
+ // Fragment lighting lookup tables
+ case PICA_REG_INDEX_WORKAROUND(lighting.lut_data[0], 0x1c8):
+ case PICA_REG_INDEX_WORKAROUND(lighting.lut_data[1], 0x1c9):
+ case PICA_REG_INDEX_WORKAROUND(lighting.lut_data[2], 0x1ca):
+ case PICA_REG_INDEX_WORKAROUND(lighting.lut_data[3], 0x1cb):
+ case PICA_REG_INDEX_WORKAROUND(lighting.lut_data[4], 0x1cc):
+ case PICA_REG_INDEX_WORKAROUND(lighting.lut_data[5], 0x1cd):
+ case PICA_REG_INDEX_WORKAROUND(lighting.lut_data[6], 0x1ce):
+ case PICA_REG_INDEX_WORKAROUND(lighting.lut_data[7], 0x1cf):
+ {
+ auto& lut_config = regs.lighting.lut_config;
+ uniform_block_data.lut_dirty[lut_config.type] = true;
+ break;
+ }
+
}
}
@@ -593,20 +615,23 @@ void RasterizerOpenGL::SetShader() {
unsigned int block_index = glGetUniformBlockIndex(current_shader->shader.handle, "shader_data");
glUniformBlockBinding(current_shader->shader.handle, block_index, 0);
- }
- // Update uniforms
- SyncAlphaTest();
- SyncCombinerColor();
- auto& tev_stages = Pica::g_state.regs.GetTevStages();
- for (int index = 0; index < tev_stages.size(); ++index)
- SyncTevConstColor(index, tev_stages[index]);
-
- SyncGlobalAmbient();
- for (int light_index = 0; light_index < 8; light_index++) {
- SyncLightDiffuse(light_index);
- SyncLightAmbient(light_index);
- SyncLightPosition(light_index);
+ // Update uniforms
+ SyncAlphaTest();
+ SyncCombinerColor();
+ auto& tev_stages = Pica::g_state.regs.GetTevStages();
+ for (int index = 0; index < tev_stages.size(); ++index)
+ SyncTevConstColor(index, tev_stages[index]);
+
+ for (unsigned index = 0; index < Pica::g_state.lighting.luts.size(); ++index)
+ SyncLightingLUT(index);
+
+ SyncGlobalAmbient();
+ for (int light_index = 0; light_index < 8; light_index++) {
+ SyncLightDiffuse(light_index);
+ SyncLightAmbient(light_index);
+ SyncLightPosition(light_index);
+ }
}
}
@@ -796,6 +821,20 @@ void RasterizerOpenGL::SyncGlobalAmbient() {
}
}
+void RasterizerOpenGL::SyncLightingLUT(unsigned lut_index) {
+ auto& lut = uniform_block_data.data.lighting_lut[lut_index / 4];
+ std::array<std::array<GLfloat, 4>, 256> new_lut;
+
+ for (int offset = 0; offset < new_lut.size(); ++offset) {
+ new_lut[offset][lut_index & 3] = Pica::g_state.lighting.luts[lut_index][offset].ToFloat();
+ }
+
+ if (new_lut != lut) {
+ lut = new_lut;
+ uniform_block_data.dirty = true;
+ }
+}
+
void RasterizerOpenGL::SyncLightDiffuse(int light_index) {
auto color = PicaToGL::LightColor(Pica::g_state.regs.lighting.light[light_index].diffuse);
if (color != uniform_block_data.data.light_src[light_index].diffuse) {
diff --git a/src/video_core/renderer_opengl/gl_rasterizer.h b/src/video_core/renderer_opengl/gl_rasterizer.h
index 698ca5c4c..fa4a78cb1 100644
--- a/src/video_core/renderer_opengl/gl_rasterizer.h
+++ b/src/video_core/renderer_opengl/gl_rasterizer.h
@@ -242,10 +242,11 @@ private:
std::array<GLfloat, 3> lighting_global_ambient;
INSERT_PADDING_WORDS(1);
LightSrc light_src[8];
+ std::array<std::array<std::array<GLfloat, 4>, 256>, 6> lighting_lut;
};
- static_assert(sizeof(UniformData) == 0x210, "The size of the UniformData structure has changed, update the structure in the shader");
- static_assert(sizeof(UniformData) < 16384, "UniformData structure must be less than 16kb as per the OpenGL spec");
+ static_assert(sizeof(UniformData) == 0x6210, "The size of the UniformData structure has changed, update the structure in the shader");
+ static_assert(sizeof(UniformData) < 32768, "UniformData structure must be less than 32kb");
/// Reconfigure the OpenGL color texture to use the given format and dimensions
void ReconfigureColorTexture(TextureInfo& texture, Pica::Regs::ColorFormat format, u32 width, u32 height);
@@ -295,6 +296,9 @@ private:
/// Syncs the lighting global ambient color to match the PICA register
void SyncGlobalAmbient();
+ /// Syncs the lighting lookup tables
+ void SyncLightingLUT(unsigned index);
+
/// Syncs the specified light's diffuse color to match the PICA register
void SyncLightDiffuse(int light_index);
@@ -346,6 +350,7 @@ private:
struct {
UniformData data;
+ bool lut_dirty[24];
bool dirty;
} uniform_block_data;
diff --git a/src/video_core/renderer_opengl/gl_shader_gen.cpp b/src/video_core/renderer_opengl/gl_shader_gen.cpp
index 5bc588b0b..4e02671dd 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) {
#version 330 core
#define NUM_TEV_STAGES 6
#define NUM_LIGHTS 8
+#define LIGHTING_LUT_SIZE 256
in vec4 primary_color;
in vec2 texcoord[3];
@@ -345,6 +346,12 @@ 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];
generated by cgit v1.2.3 (git 2.25.1) at 2025-11-04 10:30:48 +0000