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-rw-r--r--src/video_core/renderer_opengl/gl_shader_gen.cpp105
1 files changed, 59 insertions, 46 deletions
diff --git a/src/video_core/renderer_opengl/gl_shader_gen.cpp b/src/video_core/renderer_opengl/gl_shader_gen.cpp
index 4c4f98ac9..7abdeba05 100644
--- a/src/video_core/renderer_opengl/gl_shader_gen.cpp
+++ b/src/video_core/renderer_opengl/gl_shader_gen.cpp
@@ -7,13 +7,19 @@
#include "common/assert.h"
#include "common/bit_field.h"
#include "common/logging/log.h"
-#include "video_core/pica.h"
+#include "video_core/regs_framebuffer.h"
+#include "video_core/regs_lighting.h"
+#include "video_core/regs_rasterizer.h"
+#include "video_core/regs_texturing.h"
#include "video_core/renderer_opengl/gl_rasterizer.h"
#include "video_core/renderer_opengl/gl_shader_gen.h"
#include "video_core/renderer_opengl/gl_shader_util.h"
-using Pica::Regs;
-using TevStageConfig = Regs::TevStageConfig;
+using Pica::FramebufferRegs;
+using Pica::LightingRegs;
+using Pica::RasterizerRegs;
+using Pica::TexturingRegs;
+using TevStageConfig = TexturingRegs::TevStageConfig;
namespace GLShader {
@@ -46,10 +52,10 @@ static void AppendSource(std::string& out, const PicaShaderConfig& config,
case Source::Texture0:
// Only unit 0 respects the texturing type (according to 3DBrew)
switch (state.texture0_type) {
- case Pica::Regs::TextureConfig::Texture2D:
+ case TexturingRegs::TextureConfig::Texture2D:
out += "texture(tex[0], texcoord[0])";
break;
- case Pica::Regs::TextureConfig::Projection2D:
+ case TexturingRegs::TextureConfig::Projection2D:
out += "textureProj(tex[0], vec3(texcoord[0], texcoord0_w))";
break;
default:
@@ -276,8 +282,8 @@ static void AppendAlphaCombiner(std::string& out, TevStageConfig::Operation oper
}
/// Writes the if-statement condition used to evaluate alpha testing
-static void AppendAlphaTestCondition(std::string& out, Regs::CompareFunc func) {
- using CompareFunc = Regs::CompareFunc;
+static void AppendAlphaTestCondition(std::string& out, FramebufferRegs::CompareFunc func) {
+ using CompareFunc = FramebufferRegs::CompareFunc;
switch (func) {
case CompareFunc::Never:
out += "true";
@@ -307,7 +313,7 @@ static void AppendAlphaTestCondition(std::string& out, Regs::CompareFunc func) {
/// Writes the code to emulate the specified TEV stage
static void WriteTevStage(std::string& out, const PicaShaderConfig& config, unsigned index) {
const auto stage =
- static_cast<const Pica::Regs::TevStageConfig>(config.state.tev_stages[index]);
+ static_cast<const TexturingRegs::TevStageConfig>(config.state.tev_stages[index]);
if (!IsPassThroughTevStage(stage)) {
std::string index_name = std::to_string(index);
@@ -364,7 +370,7 @@ static void WriteLighting(std::string& out, const PicaShaderConfig& config) {
"vec3 refl_value = vec3(0.0);\n";
// Compute fragment normals
- if (lighting.bump_mode == Pica::Regs::LightingBumpMode::NormalMap) {
+ if (lighting.bump_mode == LightingRegs::LightingBumpMode::NormalMap) {
// Bump mapping is enabled using a normal map, read perturbation vector from the selected
// texture
std::string bump_selector = std::to_string(lighting.bump_selector);
@@ -378,7 +384,7 @@ static void WriteLighting(std::string& out, const PicaShaderConfig& config) {
"(1.0 - (surface_normal.x*surface_normal.x + surface_normal.y*surface_normal.y))";
out += "surface_normal.z = sqrt(max(" + val + ", 0.0));\n";
}
- } else if (lighting.bump_mode == Pica::Regs::LightingBumpMode::TangentMap) {
+ } else if (lighting.bump_mode == LightingRegs::LightingBumpMode::TangentMap) {
// Bump mapping is enabled using a tangent map
LOG_CRITICAL(HW_GPU, "unimplemented bump mapping mode (tangent mapping)");
UNIMPLEMENTED();
@@ -392,23 +398,24 @@ static void WriteLighting(std::string& out, const PicaShaderConfig& config) {
out += "vec3 normal = normalize(quaternion_rotate(normquat, surface_normal));\n";
// Gets the index into the specified lookup table for specular lighting
- auto GetLutIndex = [&lighting](unsigned light_num, Regs::LightingLutInput input, bool abs) {
+ auto GetLutIndex = [&lighting](unsigned light_num, LightingRegs::LightingLutInput input,
+ bool abs) {
const std::string half_angle = "normalize(normalize(view) + light_vector)";
std::string index;
switch (input) {
- case Regs::LightingLutInput::NH:
+ case LightingRegs::LightingLutInput::NH:
index = "dot(normal, " + half_angle + ")";
break;
- case Regs::LightingLutInput::VH:
+ case LightingRegs::LightingLutInput::VH:
index = std::string("dot(normalize(view), " + half_angle + ")");
break;
- case Regs::LightingLutInput::NV:
+ case LightingRegs::LightingLutInput::NV:
index = std::string("dot(normal, normalize(view))");
break;
- case Regs::LightingLutInput::LN:
+ case LightingRegs::LightingLutInput::LN:
index = std::string("dot(light_vector, normal)");
break;
@@ -432,7 +439,7 @@ static void WriteLighting(std::string& out, const PicaShaderConfig& config) {
};
// Gets the lighting lookup table value given the specified sampler and index
- auto GetLutValue = [](Regs::LightingSampler sampler, std::string lut_index) {
+ auto GetLutValue = [](LightingRegs::LightingSampler sampler, std::string lut_index) {
return std::string("texture(lut[" + std::to_string((unsigned)sampler / 4) + "], " +
lut_index + ")[" + std::to_string((unsigned)sampler & 3) + "]");
};
@@ -461,8 +468,8 @@ static void WriteLighting(std::string& out, const PicaShaderConfig& config) {
light_src + ".position) + " + light_src + ".dist_atten_bias)";
index = "(OFFSET_256 + SCALE_256 * clamp(" + index + ", 0.0, 1.0))";
const unsigned lut_num =
- ((unsigned)Regs::LightingSampler::DistanceAttenuation + light_config.num);
- dist_atten = GetLutValue((Regs::LightingSampler)lut_num, index);
+ ((unsigned)LightingRegs::LightingSampler::DistanceAttenuation + light_config.num);
+ dist_atten = GetLutValue((LightingRegs::LightingSampler)lut_num, index);
}
// If enabled, clamp specular component if lighting result is negative
@@ -472,24 +479,24 @@ static void WriteLighting(std::string& out, const PicaShaderConfig& config) {
// Specular 0 component
std::string d0_lut_value = "1.0";
if (lighting.lut_d0.enable &&
- Pica::Regs::IsLightingSamplerSupported(lighting.config,
- Pica::Regs::LightingSampler::Distribution0)) {
+ LightingRegs::IsLightingSamplerSupported(
+ lighting.config, LightingRegs::LightingSampler::Distribution0)) {
// Lookup specular "distribution 0" LUT value
std::string index =
GetLutIndex(light_config.num, lighting.lut_d0.type, lighting.lut_d0.abs_input);
d0_lut_value = "(" + std::to_string(lighting.lut_d0.scale) + " * " +
- GetLutValue(Regs::LightingSampler::Distribution0, index) + ")";
+ GetLutValue(LightingRegs::LightingSampler::Distribution0, index) + ")";
}
std::string specular_0 = "(" + d0_lut_value + " * " + light_src + ".specular_0)";
// If enabled, lookup ReflectRed value, otherwise, 1.0 is used
if (lighting.lut_rr.enable &&
- Pica::Regs::IsLightingSamplerSupported(lighting.config,
- Pica::Regs::LightingSampler::ReflectRed)) {
+ LightingRegs::IsLightingSamplerSupported(lighting.config,
+ LightingRegs::LightingSampler::ReflectRed)) {
std::string index =
GetLutIndex(light_config.num, lighting.lut_rr.type, lighting.lut_rr.abs_input);
std::string value = "(" + std::to_string(lighting.lut_rr.scale) + " * " +
- GetLutValue(Regs::LightingSampler::ReflectRed, index) + ")";
+ GetLutValue(LightingRegs::LightingSampler::ReflectRed, index) + ")";
out += "refl_value.r = " + value + ";\n";
} else {
out += "refl_value.r = 1.0;\n";
@@ -497,12 +504,13 @@ static void WriteLighting(std::string& out, const PicaShaderConfig& config) {
// If enabled, lookup ReflectGreen value, otherwise, ReflectRed value is used
if (lighting.lut_rg.enable &&
- Pica::Regs::IsLightingSamplerSupported(lighting.config,
- Pica::Regs::LightingSampler::ReflectGreen)) {
+ LightingRegs::IsLightingSamplerSupported(lighting.config,
+ LightingRegs::LightingSampler::ReflectGreen)) {
std::string index =
GetLutIndex(light_config.num, lighting.lut_rg.type, lighting.lut_rg.abs_input);
std::string value = "(" + std::to_string(lighting.lut_rg.scale) + " * " +
- GetLutValue(Regs::LightingSampler::ReflectGreen, index) + ")";
+ GetLutValue(LightingRegs::LightingSampler::ReflectGreen, index) +
+ ")";
out += "refl_value.g = " + value + ";\n";
} else {
out += "refl_value.g = refl_value.r;\n";
@@ -510,12 +518,13 @@ static void WriteLighting(std::string& out, const PicaShaderConfig& config) {
// If enabled, lookup ReflectBlue value, otherwise, ReflectRed value is used
if (lighting.lut_rb.enable &&
- Pica::Regs::IsLightingSamplerSupported(lighting.config,
- Pica::Regs::LightingSampler::ReflectBlue)) {
+ LightingRegs::IsLightingSamplerSupported(lighting.config,
+ LightingRegs::LightingSampler::ReflectBlue)) {
std::string index =
GetLutIndex(light_config.num, lighting.lut_rb.type, lighting.lut_rb.abs_input);
std::string value = "(" + std::to_string(lighting.lut_rb.scale) + " * " +
- GetLutValue(Regs::LightingSampler::ReflectBlue, index) + ")";
+ GetLutValue(LightingRegs::LightingSampler::ReflectBlue, index) +
+ ")";
out += "refl_value.b = " + value + ";\n";
} else {
out += "refl_value.b = refl_value.r;\n";
@@ -524,35 +533,39 @@ static void WriteLighting(std::string& out, const PicaShaderConfig& config) {
// Specular 1 component
std::string d1_lut_value = "1.0";
if (lighting.lut_d1.enable &&
- Pica::Regs::IsLightingSamplerSupported(lighting.config,
- Pica::Regs::LightingSampler::Distribution1)) {
+ LightingRegs::IsLightingSamplerSupported(
+ lighting.config, LightingRegs::LightingSampler::Distribution1)) {
// Lookup specular "distribution 1" LUT value
std::string index =
GetLutIndex(light_config.num, lighting.lut_d1.type, lighting.lut_d1.abs_input);
d1_lut_value = "(" + std::to_string(lighting.lut_d1.scale) + " * " +
- GetLutValue(Regs::LightingSampler::Distribution1, index) + ")";
+ GetLutValue(LightingRegs::LightingSampler::Distribution1, index) + ")";
}
std::string specular_1 =
"(" + d1_lut_value + " * refl_value * " + light_src + ".specular_1)";
// Fresnel
- if (lighting.lut_fr.enable && Pica::Regs::IsLightingSamplerSupported(
- lighting.config, Pica::Regs::LightingSampler::Fresnel)) {
+ if (lighting.lut_fr.enable &&
+ LightingRegs::IsLightingSamplerSupported(lighting.config,
+ LightingRegs::LightingSampler::Fresnel)) {
// Lookup fresnel LUT value
std::string index =
GetLutIndex(light_config.num, lighting.lut_fr.type, lighting.lut_fr.abs_input);
std::string value = "(" + std::to_string(lighting.lut_fr.scale) + " * " +
- GetLutValue(Regs::LightingSampler::Fresnel, index) + ")";
+ GetLutValue(LightingRegs::LightingSampler::Fresnel, index) + ")";
// Enabled for difffuse lighting alpha component
- if (lighting.fresnel_selector == Pica::Regs::LightingFresnelSelector::PrimaryAlpha ||
- lighting.fresnel_selector == Pica::Regs::LightingFresnelSelector::Both)
+ if (lighting.fresnel_selector == LightingRegs::LightingFresnelSelector::PrimaryAlpha ||
+ lighting.fresnel_selector == LightingRegs::LightingFresnelSelector::Both) {
out += "diffuse_sum.a *= " + value + ";\n";
+ }
// Enabled for the specular lighting alpha component
- if (lighting.fresnel_selector == Pica::Regs::LightingFresnelSelector::SecondaryAlpha ||
- lighting.fresnel_selector == Pica::Regs::LightingFresnelSelector::Both)
+ if (lighting.fresnel_selector ==
+ LightingRegs::LightingFresnelSelector::SecondaryAlpha ||
+ lighting.fresnel_selector == LightingRegs::LightingFresnelSelector::Both) {
out += "specular_sum.a *= " + value + ";\n";
+ }
}
// Compute primary fragment color (diffuse lighting) function
@@ -633,16 +646,16 @@ vec4 secondary_fragment_color = vec4(0.0);
)";
// Do not do any sort of processing if it's obvious we're not going to pass the alpha test
- if (state.alpha_test_func == Regs::CompareFunc::Never) {
+ if (state.alpha_test_func == FramebufferRegs::CompareFunc::Never) {
out += "discard; }";
return out;
}
// Append the scissor test
- if (state.scissor_test_mode != Regs::ScissorMode::Disabled) {
+ if (state.scissor_test_mode != RasterizerRegs::ScissorMode::Disabled) {
out += "if (";
// Negate the condition if we have to keep only the pixels outside the scissor box
- if (state.scissor_test_mode == Regs::ScissorMode::Include)
+ if (state.scissor_test_mode == RasterizerRegs::ScissorMode::Include)
out += "!";
out += "(gl_FragCoord.x >= scissor_x1 && "
"gl_FragCoord.y >= scissor_y1 && "
@@ -652,7 +665,7 @@ vec4 secondary_fragment_color = vec4(0.0);
out += "float z_over_w = 1.0 - gl_FragCoord.z * 2.0;\n";
out += "float depth = z_over_w * depth_scale + depth_offset;\n";
- if (state.depthmap_enable == Pica::Regs::DepthBuffering::WBuffering) {
+ if (state.depthmap_enable == RasterizerRegs::DepthBuffering::WBuffering) {
out += "depth /= gl_FragCoord.w;\n";
}
@@ -666,14 +679,14 @@ vec4 secondary_fragment_color = vec4(0.0);
for (size_t index = 0; index < state.tev_stages.size(); ++index)
WriteTevStage(out, config, (unsigned)index);
- if (state.alpha_test_func != Regs::CompareFunc::Always) {
+ if (state.alpha_test_func != FramebufferRegs::CompareFunc::Always) {
out += "if (";
AppendAlphaTestCondition(out, state.alpha_test_func);
out += ") discard;\n";
}
// Append fog combiner
- if (state.fog_mode == Regs::FogMode::Fog) {
+ if (state.fog_mode == TexturingRegs::FogMode::Fog) {
// Get index into fog LUT
if (state.fog_flip) {
out += "float fog_index = (1.0 - depth) * 128.0;\n";
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-09 01:24:14 +0200