mirror of
https://github.com/citra-emu/citra-canary.git
synced 2024-12-25 08:35:34 +00:00
Initial implementation of fragment shader generation with caching.
This commit is contained in:
Subv
bunnei
parent
7411aed5c7
commit
e3f4233cef
|
|
@ -317,6 +317,7 @@ struct Regs {
|
|||
};
|
||||
|
||||
union {
|
||||
u32 source_raw;
|
||||
BitField< 0, 4, Source> color_source1;
|
||||
BitField< 4, 4, Source> color_source2;
|
||||
BitField< 8, 4, Source> color_source3;
|
||||
|
|
@ -326,6 +327,7 @@ struct Regs {
|
|||
};
|
||||
|
||||
union {
|
||||
u32 modifier_raw;
|
||||
BitField< 0, 4, ColorModifier> color_modifier1;
|
||||
BitField< 4, 4, ColorModifier> color_modifier2;
|
||||
BitField< 8, 4, ColorModifier> color_modifier3;
|
||||
|
|
@ -335,6 +337,7 @@ struct Regs {
|
|||
};
|
||||
|
||||
union {
|
||||
u32 op_raw;
|
||||
BitField< 0, 4, Operation> color_op;
|
||||
BitField<16, 4, Operation> alpha_op;
|
||||
};
|
||||
|
|
@ -348,6 +351,7 @@ struct Regs {
|
|||
};
|
||||
|
||||
union {
|
||||
u32 scale_raw;
|
||||
BitField< 0, 2, u32> color_scale;
|
||||
BitField<16, 2, u32> alpha_scale;
|
||||
};
|
||||
|
|
|
|||
|
|
@ -8,6 +8,7 @@
|
|||
#include <glad/glad.h>
|
||||
|
||||
#include "common/color.h"
|
||||
#include "common/file_util.h"
|
||||
#include "common/math_util.h"
|
||||
#include "common/microprofile.h"
|
||||
#include "common/profiler.h"
|
||||
|
|
@ -38,36 +39,6 @@ RasterizerOpenGL::RasterizerOpenGL() : last_fb_color_addr(0), last_fb_depth_addr
|
|||
RasterizerOpenGL::~RasterizerOpenGL() { }
|
||||
|
||||
void RasterizerOpenGL::InitObjects() {
|
||||
// Create the hardware shader program and get attrib/uniform locations
|
||||
shader.Create(GLShaders::g_vertex_shader_hw, GLShaders::g_fragment_shader_hw);
|
||||
attrib_position = glGetAttribLocation(shader.handle, "vert_position");
|
||||
attrib_color = glGetAttribLocation(shader.handle, "vert_color");
|
||||
attrib_texcoords = glGetAttribLocation(shader.handle, "vert_texcoords");
|
||||
|
||||
uniform_alphatest_enabled = glGetUniformLocation(shader.handle, "alphatest_enabled");
|
||||
uniform_alphatest_func = glGetUniformLocation(shader.handle, "alphatest_func");
|
||||
uniform_alphatest_ref = glGetUniformLocation(shader.handle, "alphatest_ref");
|
||||
|
||||
uniform_tex = glGetUniformLocation(shader.handle, "tex");
|
||||
|
||||
uniform_tev_combiner_buffer_color = glGetUniformLocation(shader.handle, "tev_combiner_buffer_color");
|
||||
|
||||
const auto tev_stages = Pica::g_state.regs.GetTevStages();
|
||||
for (unsigned tev_stage_index = 0; tev_stage_index < tev_stages.size(); ++tev_stage_index) {
|
||||
auto& uniform_tev_cfg = uniform_tev_cfgs[tev_stage_index];
|
||||
|
||||
std::string tev_ref_str = "tev_cfgs[" + std::to_string(tev_stage_index) + "]";
|
||||
uniform_tev_cfg.enabled = glGetUniformLocation(shader.handle, (tev_ref_str + ".enabled").c_str());
|
||||
uniform_tev_cfg.color_sources = glGetUniformLocation(shader.handle, (tev_ref_str + ".color_sources").c_str());
|
||||
uniform_tev_cfg.alpha_sources = glGetUniformLocation(shader.handle, (tev_ref_str + ".alpha_sources").c_str());
|
||||
uniform_tev_cfg.color_modifiers = glGetUniformLocation(shader.handle, (tev_ref_str + ".color_modifiers").c_str());
|
||||
uniform_tev_cfg.alpha_modifiers = glGetUniformLocation(shader.handle, (tev_ref_str + ".alpha_modifiers").c_str());
|
||||
uniform_tev_cfg.color_alpha_op = glGetUniformLocation(shader.handle, (tev_ref_str + ".color_alpha_op").c_str());
|
||||
uniform_tev_cfg.color_alpha_multiplier = glGetUniformLocation(shader.handle, (tev_ref_str + ".color_alpha_multiplier").c_str());
|
||||
uniform_tev_cfg.const_color = glGetUniformLocation(shader.handle, (tev_ref_str + ".const_color").c_str());
|
||||
uniform_tev_cfg.updates_combiner_buffer_color_alpha = glGetUniformLocation(shader.handle, (tev_ref_str + ".updates_combiner_buffer_color_alpha").c_str());
|
||||
}
|
||||
|
||||
// Create sampler objects
|
||||
for (size_t i = 0; i < texture_samplers.size(); ++i) {
|
||||
texture_samplers[i].Create();
|
||||
|
|
@ -78,29 +49,25 @@ void RasterizerOpenGL::InitObjects() {
|
|||
vertex_buffer.Create();
|
||||
vertex_array.Create();
|
||||
|
||||
// Update OpenGL state
|
||||
state.draw.vertex_array = vertex_array.handle;
|
||||
state.draw.vertex_buffer = vertex_buffer.handle;
|
||||
state.draw.shader_program = shader.handle;
|
||||
|
||||
state.Apply();
|
||||
|
||||
// Set the texture samplers to correspond to different texture units
|
||||
glUniform1i(uniform_tex, 0);
|
||||
glUniform1i(uniform_tex + 1, 1);
|
||||
glUniform1i(uniform_tex + 2, 2);
|
||||
|
||||
// Set vertex attributes
|
||||
glVertexAttribPointer(attrib_position, 4, GL_FLOAT, GL_FALSE, sizeof(HardwareVertex), (GLvoid*)offsetof(HardwareVertex, position));
|
||||
glVertexAttribPointer(attrib_color, 4, GL_FLOAT, GL_FALSE, sizeof(HardwareVertex), (GLvoid*)offsetof(HardwareVertex, color));
|
||||
glVertexAttribPointer(attrib_texcoords, 2, GL_FLOAT, GL_FALSE, sizeof(HardwareVertex), (GLvoid*)offsetof(HardwareVertex, tex_coord0));
|
||||
glVertexAttribPointer(attrib_texcoords + 1, 2, GL_FLOAT, GL_FALSE, sizeof(HardwareVertex), (GLvoid*)offsetof(HardwareVertex, tex_coord1));
|
||||
glVertexAttribPointer(attrib_texcoords + 2, 2, GL_FLOAT, GL_FALSE, sizeof(HardwareVertex), (GLvoid*)offsetof(HardwareVertex, tex_coord2));
|
||||
glEnableVertexAttribArray(attrib_position);
|
||||
glEnableVertexAttribArray(attrib_color);
|
||||
glEnableVertexAttribArray(attrib_texcoords);
|
||||
glEnableVertexAttribArray(attrib_texcoords + 1);
|
||||
glEnableVertexAttribArray(attrib_texcoords + 2);
|
||||
glVertexAttribPointer(ShaderUtil::ATTRIBUTE_POSITION, 4, GL_FLOAT, GL_FALSE, sizeof(HardwareVertex), (GLvoid*)offsetof(HardwareVertex, position));
|
||||
glEnableVertexAttribArray(ShaderUtil::ATTRIBUTE_POSITION);
|
||||
|
||||
glVertexAttribPointer(ShaderUtil::ATTRIBUTE_COLOR, 4, GL_FLOAT, GL_FALSE, sizeof(HardwareVertex), (GLvoid*)offsetof(HardwareVertex, color));
|
||||
glEnableVertexAttribArray(ShaderUtil::ATTRIBUTE_COLOR);
|
||||
|
||||
glVertexAttribPointer(ShaderUtil::ATTRIBUTE_TEXCOORDS, 2, GL_FLOAT, GL_FALSE, sizeof(HardwareVertex), (GLvoid*)offsetof(HardwareVertex, tex_coord0));
|
||||
glVertexAttribPointer(ShaderUtil::ATTRIBUTE_TEXCOORDS + 1, 2, GL_FLOAT, GL_FALSE, sizeof(HardwareVertex), (GLvoid*)offsetof(HardwareVertex, tex_coord1));
|
||||
glVertexAttribPointer(ShaderUtil::ATTRIBUTE_TEXCOORDS + 2, 2, GL_FLOAT, GL_FALSE, sizeof(HardwareVertex), (GLvoid*)offsetof(HardwareVertex, tex_coord2));
|
||||
glEnableVertexAttribArray(ShaderUtil::ATTRIBUTE_TEXCOORDS);
|
||||
glEnableVertexAttribArray(ShaderUtil::ATTRIBUTE_TEXCOORDS + 1);
|
||||
glEnableVertexAttribArray(ShaderUtil::ATTRIBUTE_TEXCOORDS + 2);
|
||||
|
||||
RegenerateShaders();
|
||||
|
||||
// Create textures for OGL framebuffer that will be rendered to, initially 1x1 to succeed in framebuffer creation
|
||||
fb_color_texture.texture.Create();
|
||||
|
|
@ -156,55 +123,11 @@ void RasterizerOpenGL::Reset() {
|
|||
SyncBlendEnabled();
|
||||
SyncBlendFuncs();
|
||||
SyncBlendColor();
|
||||
SyncAlphaTest();
|
||||
SyncLogicOp();
|
||||
SyncStencilTest();
|
||||
SyncDepthTest();
|
||||
|
||||
// TEV stage 0
|
||||
SyncTevSources(0, regs.tev_stage0);
|
||||
SyncTevModifiers(0, regs.tev_stage0);
|
||||
SyncTevOps(0, regs.tev_stage0);
|
||||
SyncTevColor(0, regs.tev_stage0);
|
||||
SyncTevMultipliers(0, regs.tev_stage0);
|
||||
|
||||
// TEV stage 1
|
||||
SyncTevSources(1, regs.tev_stage1);
|
||||
SyncTevModifiers(1, regs.tev_stage1);
|
||||
SyncTevOps(1, regs.tev_stage1);
|
||||
SyncTevColor(1, regs.tev_stage1);
|
||||
SyncTevMultipliers(1, regs.tev_stage1);
|
||||
|
||||
// TEV stage 2
|
||||
SyncTevSources(2, regs.tev_stage2);
|
||||
SyncTevModifiers(2, regs.tev_stage2);
|
||||
SyncTevOps(2, regs.tev_stage2);
|
||||
SyncTevColor(2, regs.tev_stage2);
|
||||
SyncTevMultipliers(2, regs.tev_stage2);
|
||||
|
||||
// TEV stage 3
|
||||
SyncTevSources(3, regs.tev_stage3);
|
||||
SyncTevModifiers(3, regs.tev_stage3);
|
||||
SyncTevOps(3, regs.tev_stage3);
|
||||
SyncTevColor(3, regs.tev_stage3);
|
||||
SyncTevMultipliers(3, regs.tev_stage3);
|
||||
|
||||
// TEV stage 4
|
||||
SyncTevSources(4, regs.tev_stage4);
|
||||
SyncTevModifiers(4, regs.tev_stage4);
|
||||
SyncTevOps(4, regs.tev_stage4);
|
||||
SyncTevColor(4, regs.tev_stage4);
|
||||
SyncTevMultipliers(4, regs.tev_stage4);
|
||||
|
||||
// TEV stage 5
|
||||
SyncTevSources(5, regs.tev_stage5);
|
||||
SyncTevModifiers(5, regs.tev_stage5);
|
||||
SyncTevOps(5, regs.tev_stage5);
|
||||
SyncTevColor(5, regs.tev_stage5);
|
||||
SyncTevMultipliers(5, regs.tev_stage5);
|
||||
|
||||
SyncCombinerColor();
|
||||
SyncCombinerWriteFlags();
|
||||
RegenerateShaders();
|
||||
|
||||
res_cache.FullFlush();
|
||||
}
|
||||
|
|
@ -217,10 +140,88 @@ void RasterizerOpenGL::AddTriangle(const Pica::Shader::OutputVertex& v0,
|
|||
vertex_batch.emplace_back(v2);
|
||||
}
|
||||
|
||||
namespace ShaderCache {
|
||||
extern std::string GenerateFragmentShader(const ShaderCacheKey& config);
|
||||
}
|
||||
|
||||
void RasterizerOpenGL::RegenerateShaders() {
|
||||
const auto& regs = Pica::g_state.regs;
|
||||
|
||||
ShaderCacheKey config;
|
||||
config.alpha_test_func = regs.output_merger.alpha_test.enable ?
|
||||
regs.output_merger.alpha_test.func.Value() : Pica::Regs::CompareFunc::Always;
|
||||
config.tev_stages = regs.GetTevStages();
|
||||
for (auto& tev : config.tev_stages) {
|
||||
tev.const_r = 0;
|
||||
tev.const_g = 0;
|
||||
tev.const_b = 0;
|
||||
tev.const_a = 0;
|
||||
}
|
||||
config.combiner_buffer_input =
|
||||
regs.tev_combiner_buffer_input.update_mask_rgb.Value() |
|
||||
regs.tev_combiner_buffer_input.update_mask_a.Value() << 4;
|
||||
|
||||
auto cached_shader = shader_cache.find(config);
|
||||
if (cached_shader != shader_cache.end()) {
|
||||
current_shader = &cached_shader->second;
|
||||
state.draw.shader_program = current_shader->shader.handle;
|
||||
state.Apply();
|
||||
} else {
|
||||
LOG_CRITICAL(Render_OpenGL, "Creating new shader: %08X", hash(config));
|
||||
|
||||
TEVShader shader;
|
||||
|
||||
std::string fragShader = ShaderCache::GenerateFragmentShader(config);
|
||||
shader.shader.Create(GLShaders::g_vertex_shader_hw, fragShader.c_str());
|
||||
|
||||
shader.uniform_alphatest_ref = glGetUniformLocation(shader.shader.handle, "alphatest_ref");
|
||||
shader.uniform_tex = glGetUniformLocation(shader.shader.handle, "tex");
|
||||
shader.uniform_tev_combiner_buffer_color = glGetUniformLocation(shader.shader.handle, "tev_combiner_buffer_color");
|
||||
shader.uniform_tev_const_colors = glGetUniformLocation(shader.shader.handle, "const_color");
|
||||
|
||||
current_shader = &shader_cache.emplace(config, std::move(shader)).first->second;
|
||||
|
||||
state.draw.shader_program = current_shader->shader.handle;
|
||||
state.Apply();
|
||||
|
||||
// Set the texture samplers to correspond to different texture units
|
||||
if (shader.uniform_tex != -1) {
|
||||
glUniform1i(shader.uniform_tex, 0);
|
||||
glUniform1i(shader.uniform_tex + 1, 1);
|
||||
glUniform1i(shader.uniform_tex + 2, 2);
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
// Sync alpha reference
|
||||
if (current_shader->uniform_alphatest_ref != -1)
|
||||
glUniform1f(current_shader->uniform_alphatest_ref, regs.output_merger.alpha_test.ref / 255.0f);
|
||||
|
||||
// Sync combiner buffer color
|
||||
if (current_shader->uniform_tev_combiner_buffer_color != -1) {
|
||||
auto combiner_color = PicaToGL::ColorRGBA8(Pica::g_state.regs.tev_combiner_buffer_color.raw);
|
||||
glUniform4fv(current_shader->uniform_tev_combiner_buffer_color, 1, combiner_color.data());
|
||||
}
|
||||
|
||||
// Sync TEV const colors
|
||||
if (current_shader->uniform_tev_const_colors != -1) {
|
||||
auto& tev_stages = Pica::g_state.regs.GetTevStages();
|
||||
for (int tev_index = 0; tev_index < tev_stages.size(); ++tev_index) {
|
||||
auto const_color = PicaToGL::ColorRGBA8(tev_stages[tev_index].const_color);
|
||||
glUniform4fv(current_shader->uniform_tev_const_colors + tev_index, 1, const_color.data());
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
void RasterizerOpenGL::DrawTriangles() {
|
||||
SyncFramebuffer();
|
||||
SyncDrawState();
|
||||
|
||||
if (state.draw.shader_dirty) {
|
||||
RegenerateShaders();
|
||||
state.draw.shader_dirty = false;
|
||||
}
|
||||
|
||||
glBufferData(GL_ARRAY_BUFFER, vertex_batch.size() * sizeof(HardwareVertex), vertex_batch.data(), GL_STREAM_DRAW);
|
||||
glDrawArrays(GL_TRIANGLES, 0, (GLsizei)vertex_batch.size());
|
||||
|
||||
|
|
@ -272,6 +273,7 @@ void RasterizerOpenGL::NotifyPicaRegisterChanged(u32 id) {
|
|||
// Alpha test
|
||||
case PICA_REG_INDEX(output_merger.alpha_test):
|
||||
SyncAlphaTest();
|
||||
state.draw.shader_dirty = true;
|
||||
break;
|
||||
|
||||
// Stencil test
|
||||
|
|
@ -290,117 +292,57 @@ void RasterizerOpenGL::NotifyPicaRegisterChanged(u32 id) {
|
|||
SyncLogicOp();
|
||||
break;
|
||||
|
||||
// TEV stage 0
|
||||
// TEV stages
|
||||
case PICA_REG_INDEX(tev_stage0.color_source1):
|
||||
SyncTevSources(0, regs.tev_stage0);
|
||||
break;
|
||||
case PICA_REG_INDEX(tev_stage0.color_modifier1):
|
||||
SyncTevModifiers(0, regs.tev_stage0);
|
||||
break;
|
||||
case PICA_REG_INDEX(tev_stage0.color_op):
|
||||
SyncTevOps(0, regs.tev_stage0);
|
||||
case PICA_REG_INDEX(tev_stage0.color_scale):
|
||||
case PICA_REG_INDEX(tev_stage1.color_source1):
|
||||
case PICA_REG_INDEX(tev_stage1.color_modifier1):
|
||||
case PICA_REG_INDEX(tev_stage1.color_op):
|
||||
case PICA_REG_INDEX(tev_stage1.color_scale):
|
||||
case PICA_REG_INDEX(tev_stage2.color_source1):
|
||||
case PICA_REG_INDEX(tev_stage2.color_modifier1):
|
||||
case PICA_REG_INDEX(tev_stage2.color_op):
|
||||
case PICA_REG_INDEX(tev_stage2.color_scale):
|
||||
case PICA_REG_INDEX(tev_stage3.color_source1):
|
||||
case PICA_REG_INDEX(tev_stage3.color_modifier1):
|
||||
case PICA_REG_INDEX(tev_stage3.color_op):
|
||||
case PICA_REG_INDEX(tev_stage3.color_scale):
|
||||
case PICA_REG_INDEX(tev_stage4.color_source1):
|
||||
case PICA_REG_INDEX(tev_stage4.color_modifier1):
|
||||
case PICA_REG_INDEX(tev_stage4.color_op):
|
||||
case PICA_REG_INDEX(tev_stage4.color_scale):
|
||||
case PICA_REG_INDEX(tev_stage5.color_source1):
|
||||
case PICA_REG_INDEX(tev_stage5.color_modifier1):
|
||||
case PICA_REG_INDEX(tev_stage5.color_op):
|
||||
case PICA_REG_INDEX(tev_stage5.color_scale):
|
||||
case PICA_REG_INDEX(tev_combiner_buffer_input):
|
||||
state.draw.shader_dirty = true;
|
||||
break;
|
||||
case PICA_REG_INDEX(tev_stage0.const_r):
|
||||
SyncTevColor(0, regs.tev_stage0);
|
||||
break;
|
||||
case PICA_REG_INDEX(tev_stage0.color_scale):
|
||||
SyncTevMultipliers(0, regs.tev_stage0);
|
||||
break;
|
||||
|
||||
// TEV stage 1
|
||||
case PICA_REG_INDEX(tev_stage1.color_source1):
|
||||
SyncTevSources(1, regs.tev_stage1);
|
||||
break;
|
||||
case PICA_REG_INDEX(tev_stage1.color_modifier1):
|
||||
SyncTevModifiers(1, regs.tev_stage1);
|
||||
break;
|
||||
case PICA_REG_INDEX(tev_stage1.color_op):
|
||||
SyncTevOps(1, regs.tev_stage1);
|
||||
SyncTevConstColor(0, regs.tev_stage0);
|
||||
break;
|
||||
case PICA_REG_INDEX(tev_stage1.const_r):
|
||||
SyncTevColor(1, regs.tev_stage1);
|
||||
break;
|
||||
case PICA_REG_INDEX(tev_stage1.color_scale):
|
||||
SyncTevMultipliers(1, regs.tev_stage1);
|
||||
break;
|
||||
|
||||
// TEV stage 2
|
||||
case PICA_REG_INDEX(tev_stage2.color_source1):
|
||||
SyncTevSources(2, regs.tev_stage2);
|
||||
break;
|
||||
case PICA_REG_INDEX(tev_stage2.color_modifier1):
|
||||
SyncTevModifiers(2, regs.tev_stage2);
|
||||
break;
|
||||
case PICA_REG_INDEX(tev_stage2.color_op):
|
||||
SyncTevOps(2, regs.tev_stage2);
|
||||
SyncTevConstColor(1, regs.tev_stage0);
|
||||
break;
|
||||
case PICA_REG_INDEX(tev_stage2.const_r):
|
||||
SyncTevColor(2, regs.tev_stage2);
|
||||
break;
|
||||
case PICA_REG_INDEX(tev_stage2.color_scale):
|
||||
SyncTevMultipliers(2, regs.tev_stage2);
|
||||
break;
|
||||
|
||||
// TEV stage 3
|
||||
case PICA_REG_INDEX(tev_stage3.color_source1):
|
||||
SyncTevSources(3, regs.tev_stage3);
|
||||
break;
|
||||
case PICA_REG_INDEX(tev_stage3.color_modifier1):
|
||||
SyncTevModifiers(3, regs.tev_stage3);
|
||||
break;
|
||||
case PICA_REG_INDEX(tev_stage3.color_op):
|
||||
SyncTevOps(3, regs.tev_stage3);
|
||||
SyncTevConstColor(2, regs.tev_stage0);
|
||||
break;
|
||||
case PICA_REG_INDEX(tev_stage3.const_r):
|
||||
SyncTevColor(3, regs.tev_stage3);
|
||||
break;
|
||||
case PICA_REG_INDEX(tev_stage3.color_scale):
|
||||
SyncTevMultipliers(3, regs.tev_stage3);
|
||||
break;
|
||||
|
||||
// TEV stage 4
|
||||
case PICA_REG_INDEX(tev_stage4.color_source1):
|
||||
SyncTevSources(4, regs.tev_stage4);
|
||||
break;
|
||||
case PICA_REG_INDEX(tev_stage4.color_modifier1):
|
||||
SyncTevModifiers(4, regs.tev_stage4);
|
||||
break;
|
||||
case PICA_REG_INDEX(tev_stage4.color_op):
|
||||
SyncTevOps(4, regs.tev_stage4);
|
||||
SyncTevConstColor(3, regs.tev_stage0);
|
||||
break;
|
||||
case PICA_REG_INDEX(tev_stage4.const_r):
|
||||
SyncTevColor(4, regs.tev_stage4);
|
||||
break;
|
||||
case PICA_REG_INDEX(tev_stage4.color_scale):
|
||||
SyncTevMultipliers(4, regs.tev_stage4);
|
||||
break;
|
||||
|
||||
// TEV stage 5
|
||||
case PICA_REG_INDEX(tev_stage5.color_source1):
|
||||
SyncTevSources(5, regs.tev_stage5);
|
||||
break;
|
||||
case PICA_REG_INDEX(tev_stage5.color_modifier1):
|
||||
SyncTevModifiers(5, regs.tev_stage5);
|
||||
break;
|
||||
case PICA_REG_INDEX(tev_stage5.color_op):
|
||||
SyncTevOps(5, regs.tev_stage5);
|
||||
SyncTevConstColor(4, regs.tev_stage0);
|
||||
break;
|
||||
case PICA_REG_INDEX(tev_stage5.const_r):
|
||||
SyncTevColor(5, regs.tev_stage5);
|
||||
break;
|
||||
case PICA_REG_INDEX(tev_stage5.color_scale):
|
||||
SyncTevMultipliers(5, regs.tev_stage5);
|
||||
SyncTevConstColor(5, regs.tev_stage0);
|
||||
break;
|
||||
|
||||
// TEV combiner buffer color
|
||||
case PICA_REG_INDEX(tev_combiner_buffer_color):
|
||||
SyncCombinerColor();
|
||||
break;
|
||||
|
||||
// TEV combiner buffer write flags
|
||||
case PICA_REG_INDEX(tev_combiner_buffer_input):
|
||||
SyncCombinerWriteFlags();
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
|
|
@ -712,9 +654,8 @@ void RasterizerOpenGL::SyncBlendColor() {
|
|||
|
||||
void RasterizerOpenGL::SyncAlphaTest() {
|
||||
const auto& regs = Pica::g_state.regs;
|
||||
glUniform1i(uniform_alphatest_enabled, regs.output_merger.alpha_test.enable);
|
||||
glUniform1i(uniform_alphatest_func, (GLint)regs.output_merger.alpha_test.func.Value());
|
||||
glUniform1f(uniform_alphatest_ref, regs.output_merger.alpha_test.ref / 255.0f);
|
||||
if (current_shader->uniform_alphatest_ref != -1)
|
||||
glUniform1f(current_shader->uniform_alphatest_ref, regs.output_merger.alpha_test.ref / 255.0f);
|
||||
}
|
||||
|
||||
void RasterizerOpenGL::SyncLogicOp() {
|
||||
|
|
@ -744,55 +685,17 @@ void RasterizerOpenGL::SyncDepthTest() {
|
|||
state.depth.write_mask = regs.output_merger.depth_write_enable ? GL_TRUE : GL_FALSE;
|
||||
}
|
||||
|
||||
void RasterizerOpenGL::SyncTevSources(unsigned stage_index, const Pica::Regs::TevStageConfig& config) {
|
||||
GLint color_srcs[3] = { (GLint)config.color_source1.Value(),
|
||||
(GLint)config.color_source2.Value(),
|
||||
(GLint)config.color_source3.Value() };
|
||||
GLint alpha_srcs[3] = { (GLint)config.alpha_source1.Value(),
|
||||
(GLint)config.alpha_source2.Value(),
|
||||
(GLint)config.alpha_source3.Value() };
|
||||
|
||||
glUniform3iv(uniform_tev_cfgs[stage_index].color_sources, 1, color_srcs);
|
||||
glUniform3iv(uniform_tev_cfgs[stage_index].alpha_sources, 1, alpha_srcs);
|
||||
}
|
||||
|
||||
void RasterizerOpenGL::SyncTevModifiers(unsigned stage_index, const Pica::Regs::TevStageConfig& config) {
|
||||
GLint color_mods[3] = { (GLint)config.color_modifier1.Value(),
|
||||
(GLint)config.color_modifier2.Value(),
|
||||
(GLint)config.color_modifier3.Value() };
|
||||
GLint alpha_mods[3] = { (GLint)config.alpha_modifier1.Value(),
|
||||
(GLint)config.alpha_modifier2.Value(),
|
||||
(GLint)config.alpha_modifier3.Value() };
|
||||
|
||||
glUniform3iv(uniform_tev_cfgs[stage_index].color_modifiers, 1, color_mods);
|
||||
glUniform3iv(uniform_tev_cfgs[stage_index].alpha_modifiers, 1, alpha_mods);
|
||||
}
|
||||
|
||||
void RasterizerOpenGL::SyncTevOps(unsigned stage_index, const Pica::Regs::TevStageConfig& config) {
|
||||
glUniform2i(uniform_tev_cfgs[stage_index].color_alpha_op, (GLint)config.color_op.Value(), (GLint)config.alpha_op.Value());
|
||||
}
|
||||
|
||||
void RasterizerOpenGL::SyncTevColor(unsigned stage_index, const Pica::Regs::TevStageConfig& config) {
|
||||
auto const_color = PicaToGL::ColorRGBA8(config.const_color);
|
||||
glUniform4fv(uniform_tev_cfgs[stage_index].const_color, 1, const_color.data());
|
||||
}
|
||||
|
||||
void RasterizerOpenGL::SyncTevMultipliers(unsigned stage_index, const Pica::Regs::TevStageConfig& config) {
|
||||
glUniform2i(uniform_tev_cfgs[stage_index].color_alpha_multiplier, config.GetColorMultiplier(), config.GetAlphaMultiplier());
|
||||
}
|
||||
|
||||
void RasterizerOpenGL::SyncCombinerColor() {
|
||||
auto combiner_color = PicaToGL::ColorRGBA8(Pica::g_state.regs.tev_combiner_buffer_color.raw);
|
||||
glUniform4fv(uniform_tev_combiner_buffer_color, 1, combiner_color.data());
|
||||
if (current_shader->uniform_tev_combiner_buffer_color != -1) {
|
||||
auto combiner_color = PicaToGL::ColorRGBA8(Pica::g_state.regs.tev_combiner_buffer_color.raw);
|
||||
glUniform4fv(current_shader->uniform_tev_combiner_buffer_color, 1, combiner_color.data());
|
||||
}
|
||||
}
|
||||
|
||||
void RasterizerOpenGL::SyncCombinerWriteFlags() {
|
||||
const auto& regs = Pica::g_state.regs;
|
||||
const auto tev_stages = regs.GetTevStages();
|
||||
for (unsigned tev_stage_index = 0; tev_stage_index < tev_stages.size(); ++tev_stage_index) {
|
||||
glUniform2i(uniform_tev_cfgs[tev_stage_index].updates_combiner_buffer_color_alpha,
|
||||
regs.tev_combiner_buffer_input.TevStageUpdatesCombinerBufferColor(tev_stage_index),
|
||||
regs.tev_combiner_buffer_input.TevStageUpdatesCombinerBufferAlpha(tev_stage_index));
|
||||
void RasterizerOpenGL::SyncTevConstColor(int stage_index, const Pica::Regs::TevStageConfig& tev_stage) {
|
||||
if (current_shader->uniform_tev_const_colors != -1) {
|
||||
auto const_color = PicaToGL::ColorRGBA8(tev_stage.const_color);
|
||||
glUniform4fv(current_shader->uniform_tev_const_colors + stage_index, 1, const_color.data());
|
||||
}
|
||||
}
|
||||
|
||||
|
|
@ -824,12 +727,6 @@ void RasterizerOpenGL::SyncDrawState() {
|
|||
}
|
||||
}
|
||||
|
||||
// Skip processing TEV stages that simply pass the previous stage results through
|
||||
const auto tev_stages = regs.GetTevStages();
|
||||
for (unsigned tev_stage_index = 0; tev_stage_index < tev_stages.size(); ++tev_stage_index) {
|
||||
glUniform1i(uniform_tev_cfgs[tev_stage_index].enabled, !IsPassThroughTevStage(tev_stages[tev_stage_index]));
|
||||
}
|
||||
|
||||
state.Apply();
|
||||
}
|
||||
|
||||
|
|
|
|||
|
|
@ -5,6 +5,7 @@
|
|||
#pragma once
|
||||
|
||||
#include <vector>
|
||||
#include <unordered_map>
|
||||
|
||||
#include "common/common_types.h"
|
||||
|
||||
|
|
@ -13,6 +14,60 @@
|
|||
#include "video_core/renderer_opengl/gl_state.h"
|
||||
#include "video_core/shader/shader_interpreter.h"
|
||||
|
||||
template <typename T>
|
||||
inline size_t hash(const T& o) {
|
||||
return std::hash<T>()(o);
|
||||
}
|
||||
|
||||
template <typename T>
|
||||
inline size_t combine_hash(const T& o) {
|
||||
return hash(o);
|
||||
}
|
||||
|
||||
template <typename T, typename... Args>
|
||||
inline size_t combine_hash(const T& o, const Args&... args) {
|
||||
return hash(o) * 3 + combine_hash(args...);
|
||||
}
|
||||
|
||||
struct ShaderCacheKey {
|
||||
using Regs = Pica::Regs;
|
||||
|
||||
bool operator ==(const ShaderCacheKey& o) const {
|
||||
return hash(*this) == hash(o);
|
||||
};
|
||||
|
||||
Regs::CompareFunc alpha_test_func;
|
||||
std::array<Regs::TevStageConfig, 6> tev_stages;
|
||||
u8 combiner_buffer_input;
|
||||
|
||||
bool TevStageUpdatesCombinerBufferColor(unsigned stage_index) const {
|
||||
return (stage_index < 4) && (combiner_buffer_input & (1 << stage_index));
|
||||
}
|
||||
|
||||
bool TevStageUpdatesCombinerBufferAlpha(unsigned stage_index) const {
|
||||
return (stage_index < 4) && ((combiner_buffer_input >> 4) & (1 << stage_index));
|
||||
}
|
||||
};
|
||||
|
||||
namespace std {
|
||||
|
||||
template<> struct hash<::Pica::Regs::TevStageConfig> {
|
||||
size_t operator()(const ::Pica::Regs::TevStageConfig& o) {
|
||||
return ::combine_hash(
|
||||
::hash(o.source_raw), ::hash(o.modifier_raw),
|
||||
::hash(o.op_raw), ::hash(o.scale_raw));
|
||||
}
|
||||
};
|
||||
|
||||
template<> struct hash<::ShaderCacheKey> {
|
||||
size_t operator()(const ::ShaderCacheKey& o) const {
|
||||
return ::combine_hash(o.alpha_test_func, o.combiner_buffer_input,
|
||||
o.tev_stages[0], o.tev_stages[1], o.tev_stages[2],
|
||||
o.tev_stages[3], o.tev_stages[4], o.tev_stages[5]);
|
||||
}
|
||||
};
|
||||
}
|
||||
|
||||
class RasterizerOpenGL : public HWRasterizer {
|
||||
public:
|
||||
|
||||
|
|
@ -33,6 +88,8 @@ public:
|
|||
/// Draw the current batch of triangles
|
||||
void DrawTriangles() override;
|
||||
|
||||
void RegenerateShaders();
|
||||
|
||||
/// Commit the rasterizer's framebuffer contents immediately to the current 3DS memory framebuffer
|
||||
void CommitFramebuffer() override;
|
||||
|
||||
|
|
@ -59,6 +116,22 @@ private:
|
|||
GLuint updates_combiner_buffer_color_alpha;
|
||||
};
|
||||
|
||||
struct TEVShader {
|
||||
OGLShader shader;
|
||||
|
||||
// Hardware fragment shader
|
||||
GLuint uniform_alphatest_ref;
|
||||
GLuint uniform_tex;
|
||||
GLuint uniform_tev_combiner_buffer_color;
|
||||
GLuint uniform_tev_const_colors;
|
||||
|
||||
TEVShader() = default;
|
||||
TEVShader(TEVShader&& o) : shader(std::move(o.shader)),
|
||||
uniform_alphatest_ref(o.uniform_alphatest_ref), uniform_tex(o.uniform_tex),
|
||||
uniform_tev_combiner_buffer_color(o.uniform_tev_combiner_buffer_color),
|
||||
uniform_tev_const_colors(o.uniform_tev_const_colors) {}
|
||||
};
|
||||
|
||||
/// Structure used for storing information about color textures
|
||||
struct TextureInfo {
|
||||
OGLTexture texture;
|
||||
|
|
@ -156,27 +229,12 @@ private:
|
|||
/// Syncs the depth test states to match the PICA register
|
||||
void SyncDepthTest();
|
||||
|
||||
/// Syncs the specified TEV stage's color and alpha sources to match the PICA register
|
||||
void SyncTevSources(unsigned stage_index, const Pica::Regs::TevStageConfig& config);
|
||||
|
||||
/// Syncs the specified TEV stage's color and alpha modifiers to match the PICA register
|
||||
void SyncTevModifiers(unsigned stage_index, const Pica::Regs::TevStageConfig& config);
|
||||
|
||||
/// Syncs the specified TEV stage's color and alpha combiner operations to match the PICA register
|
||||
void SyncTevOps(unsigned stage_index, const Pica::Regs::TevStageConfig& config);
|
||||
|
||||
/// Syncs the specified TEV stage's constant color to match the PICA register
|
||||
void SyncTevColor(unsigned stage_index, const Pica::Regs::TevStageConfig& config);
|
||||
|
||||
/// Syncs the specified TEV stage's color and alpha multipliers to match the PICA register
|
||||
void SyncTevMultipliers(unsigned stage_index, const Pica::Regs::TevStageConfig& config);
|
||||
/// Syncs the TEV constant color to match the PICA register
|
||||
void SyncTevConstColor(int tev_index, const Pica::Regs::TevStageConfig& tev_stage);
|
||||
|
||||
/// Syncs the TEV combiner color buffer to match the PICA register
|
||||
void SyncCombinerColor();
|
||||
|
||||
/// Syncs the TEV combiner write flags to match the PICA register
|
||||
void SyncCombinerWriteFlags();
|
||||
|
||||
/// Syncs the remaining OpenGL drawing state to match the current PICA state
|
||||
void SyncDrawState();
|
||||
|
||||
|
|
@ -213,21 +271,11 @@ private:
|
|||
std::array<SamplerInfo, 3> texture_samplers;
|
||||
TextureInfo fb_color_texture;
|
||||
DepthTextureInfo fb_depth_texture;
|
||||
OGLShader shader;
|
||||
|
||||
std::unordered_map<ShaderCacheKey, TEVShader> shader_cache;
|
||||
TEVShader* current_shader = nullptr;
|
||||
|
||||
OGLVertexArray vertex_array;
|
||||
OGLBuffer vertex_buffer;
|
||||
OGLFramebuffer framebuffer;
|
||||
|
||||
// Hardware vertex shader
|
||||
GLuint attrib_position;
|
||||
GLuint attrib_color;
|
||||
GLuint attrib_texcoords;
|
||||
|
||||
// Hardware fragment shader
|
||||
GLuint uniform_alphatest_enabled;
|
||||
GLuint uniform_alphatest_func;
|
||||
GLuint uniform_alphatest_ref;
|
||||
GLuint uniform_tex;
|
||||
GLuint uniform_tev_combiner_buffer_color;
|
||||
TEVConfigUniforms uniform_tev_cfgs[6];
|
||||
};
|
||||
|
|
|
|||
|
|
@ -2,6 +2,13 @@
|
|||
// Licensed under GPLv2 or any later version
|
||||
// Refer to the license.txt file included.
|
||||
|
||||
|
||||
#include "gl_shader_util.h"
|
||||
#include "gl_rasterizer.h"
|
||||
#include "common/logging/log.h"
|
||||
|
||||
#include "video_core/pica.h"
|
||||
|
||||
#include <algorithm>
|
||||
#include <vector>
|
||||
|
||||
|
|
@ -65,6 +72,13 @@ GLuint LoadShaders(const char* vertex_shader, const char* fragment_shader) {
|
|||
GLuint program_id = glCreateProgram();
|
||||
glAttachShader(program_id, vertex_shader_id);
|
||||
glAttachShader(program_id, fragment_shader_id);
|
||||
|
||||
glBindAttribLocation(program_id, Attributes::ATTRIBUTE_POSITION, "vert_position");
|
||||
glBindAttribLocation(program_id, Attributes::ATTRIBUTE_COLOR, "vert_color");
|
||||
glBindAttribLocation(program_id, Attributes::ATTRIBUTE_TEXCOORDS + 0, "vert_texcoords0");
|
||||
glBindAttribLocation(program_id, Attributes::ATTRIBUTE_TEXCOORDS + 1, "vert_texcoords1");
|
||||
glBindAttribLocation(program_id, Attributes::ATTRIBUTE_TEXCOORDS + 2, "vert_texcoords2");
|
||||
|
||||
glLinkProgram(program_id);
|
||||
|
||||
// Check the program
|
||||
|
|
@ -88,3 +102,338 @@ GLuint LoadShaders(const char* vertex_shader, const char* fragment_shader) {
|
|||
}
|
||||
|
||||
}
|
||||
|
||||
namespace ShaderCache
|
||||
{
|
||||
|
||||
static bool IsPassThroughTevStage(const Pica::Regs::TevStageConfig& stage) {
|
||||
return (stage.color_op == Pica::Regs::TevStageConfig::Operation::Replace &&
|
||||
stage.alpha_op == Pica::Regs::TevStageConfig::Operation::Replace &&
|
||||
stage.color_source1 == Pica::Regs::TevStageConfig::Source::Previous &&
|
||||
stage.alpha_source1 == Pica::Regs::TevStageConfig::Source::Previous &&
|
||||
stage.color_modifier1 == Pica::Regs::TevStageConfig::ColorModifier::SourceColor &&
|
||||
stage.alpha_modifier1 == Pica::Regs::TevStageConfig::AlphaModifier::SourceAlpha &&
|
||||
stage.GetColorMultiplier() == 1 &&
|
||||
stage.GetAlphaMultiplier() == 1);
|
||||
}
|
||||
|
||||
void AppendSource(std::string& shader, Pica::Regs::TevStageConfig::Source source, const std::string& index_name) {
|
||||
using Source = Pica::Regs::TevStageConfig::Source;
|
||||
switch (source) {
|
||||
case Source::PrimaryColor:
|
||||
shader += "o[2]";
|
||||
break;
|
||||
case Source::PrimaryFragmentColor:
|
||||
// HACK: Until we implement fragment lighting, use primary_color
|
||||
shader += "o[2]";
|
||||
break;
|
||||
case Source::SecondaryFragmentColor:
|
||||
// HACK: Until we implement fragment lighting, use zero
|
||||
shader += "vec4(0.0, 0.0, 0.0, 0.0)";
|
||||
break;
|
||||
case Source::Texture0:
|
||||
shader += "texture(tex[0], o[3].xy)";
|
||||
break;
|
||||
case Source::Texture1:
|
||||
shader += "texture(tex[1], o[3].zw)";
|
||||
break;
|
||||
case Source::Texture2: // TODO: Unverified
|
||||
shader += "texture(tex[2], o[5].zw)";
|
||||
break;
|
||||
case Source::PreviousBuffer:
|
||||
shader += "g_combiner_buffer";
|
||||
break;
|
||||
case Source::Constant:
|
||||
shader += "const_color[" + index_name + "]";
|
||||
break;
|
||||
case Source::Previous:
|
||||
shader += "g_last_tex_env_out";
|
||||
break;
|
||||
default:
|
||||
shader += "vec4(0.0)";
|
||||
LOG_CRITICAL(Render_OpenGL, "Unknown source op %u", source);
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
void AppendColorModifier(std::string& shader, Pica::Regs::TevStageConfig::ColorModifier modifier, Pica::Regs::TevStageConfig::Source source, const std::string& index_name) {
|
||||
using ColorModifier = Pica::Regs::TevStageConfig::ColorModifier;
|
||||
switch (modifier) {
|
||||
case ColorModifier::SourceColor:
|
||||
AppendSource(shader, source, index_name);
|
||||
shader += ".rgb";
|
||||
break;
|
||||
case ColorModifier::OneMinusSourceColor:
|
||||
shader += "vec3(1.0) - ";
|
||||
AppendSource(shader, source, index_name);
|
||||
shader += ".rgb";
|
||||
break;
|
||||
case ColorModifier::SourceAlpha:
|
||||
AppendSource(shader, source, index_name);
|
||||
shader += ".aaa";
|
||||
break;
|
||||
case ColorModifier::OneMinusSourceAlpha:
|
||||
shader += "vec3(1.0) - ";
|
||||
AppendSource(shader, source, index_name);
|
||||
shader += ".aaa";
|
||||
break;
|
||||
case ColorModifier::SourceRed:
|
||||
AppendSource(shader, source, index_name);
|
||||
shader += ".rrr";
|
||||
break;
|
||||
case ColorModifier::OneMinusSourceRed:
|
||||
shader += "vec3(1.0) - ";
|
||||
AppendSource(shader, source, index_name);
|
||||
shader += ".rrr";
|
||||
break;
|
||||
case ColorModifier::SourceGreen:
|
||||
AppendSource(shader, source, index_name);
|
||||
shader += ".ggg";
|
||||
break;
|
||||
case ColorModifier::OneMinusSourceGreen:
|
||||
shader += "vec3(1.0) - ";
|
||||
AppendSource(shader, source, index_name);
|
||||
shader += ".ggg";
|
||||
break;
|
||||
case ColorModifier::SourceBlue:
|
||||
AppendSource(shader, source, index_name);
|
||||
shader += ".bbb";
|
||||
break;
|
||||
case ColorModifier::OneMinusSourceBlue:
|
||||
shader += "vec3(1.0) - ";
|
||||
AppendSource(shader, source, index_name);
|
||||
shader += ".bbb";
|
||||
break;
|
||||
default:
|
||||
shader += "vec3(0.0)";
|
||||
LOG_CRITICAL(Render_OpenGL, "Unknown color modifier op %u", modifier);
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
void AppendAlphaModifier(std::string& shader, Pica::Regs::TevStageConfig::AlphaModifier modifier, Pica::Regs::TevStageConfig::Source source, const std::string& index_name) {
|
||||
using AlphaModifier = Pica::Regs::TevStageConfig::AlphaModifier;
|
||||
switch (modifier) {
|
||||
case AlphaModifier::SourceAlpha:
|
||||
AppendSource(shader, source, index_name);
|
||||
shader += ".a";
|
||||
break;
|
||||
case AlphaModifier::OneMinusSourceAlpha:
|
||||
shader += "1.0 - ";
|
||||
AppendSource(shader, source, index_name);
|
||||
shader += ".a";
|
||||
break;
|
||||
case AlphaModifier::SourceRed:
|
||||
AppendSource(shader, source, index_name);
|
||||
shader += ".r";
|
||||
break;
|
||||
case AlphaModifier::OneMinusSourceRed:
|
||||
shader += "1.0 - ";
|
||||
AppendSource(shader, source, index_name);
|
||||
shader += ".r";
|
||||
break;
|
||||
case AlphaModifier::SourceGreen:
|
||||
AppendSource(shader, source, index_name);
|
||||
shader += ".g";
|
||||
break;
|
||||
case AlphaModifier::OneMinusSourceGreen:
|
||||
shader += "1.0 - ";
|
||||
AppendSource(shader, source, index_name);
|
||||
shader += ".g";
|
||||
break;
|
||||
case AlphaModifier::SourceBlue:
|
||||
AppendSource(shader, source, index_name);
|
||||
shader += ".b";
|
||||
break;
|
||||
case AlphaModifier::OneMinusSourceBlue:
|
||||
shader += "1.0 - ";
|
||||
AppendSource(shader, source, index_name);
|
||||
shader += ".b";
|
||||
break;
|
||||
default:
|
||||
shader += "vec3(0.0)";
|
||||
LOG_CRITICAL(Render_OpenGL, "Unknown alpha modifier op %u", modifier);
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
void AppendColorCombiner(std::string& shader, Pica::Regs::TevStageConfig::Operation operation, const std::string& variable_name) {
|
||||
using Operation = Pica::Regs::TevStageConfig::Operation;
|
||||
|
||||
switch (operation) {
|
||||
case Operation::Replace:
|
||||
shader += variable_name + "[0]";
|
||||
break;
|
||||
case Operation::Modulate:
|
||||
shader += variable_name + "[0] * " + variable_name + "[1]";
|
||||
break;
|
||||
case Operation::Add:
|
||||
shader += "min(" + variable_name + "[0] + " + variable_name + "[1], 1.0)";
|
||||
break;
|
||||
case Operation::AddSigned:
|
||||
shader += "clamp(" + variable_name + "[0] + " + variable_name + "[1] - vec3(0.5), 0.0, 1.0)";
|
||||
break;
|
||||
case Operation::Lerp:
|
||||
shader += variable_name + "[0] * " + variable_name + "[2] + " + variable_name + "[1] * (vec3(1.0) - " + variable_name + "[2])";
|
||||
break;
|
||||
case Operation::Subtract:
|
||||
shader += "max(" + variable_name + "[0] - " + variable_name + "[1], 0.0)";
|
||||
break;
|
||||
case Operation::MultiplyThenAdd:
|
||||
shader += "min(" + variable_name + "[0] * " + variable_name + "[1] + " + variable_name + "[2], 1.0)";
|
||||
break;
|
||||
case Operation::AddThenMultiply:
|
||||
shader += "min(" + variable_name + "[0] + " + variable_name + "[1], 1.0) * " + variable_name + "[2]";
|
||||
break;
|
||||
default:
|
||||
shader += "0.0";
|
||||
LOG_CRITICAL(Render_OpenGL, "Unknown color comb op %u", operation);
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
void AppendAlphaCombiner(std::string& shader, Pica::Regs::TevStageConfig::Operation operation, const std::string& variable_name) {
|
||||
using Operation = Pica::Regs::TevStageConfig::Operation;
|
||||
switch (operation) {
|
||||
case Operation::Replace:
|
||||
shader += variable_name + "[0]";
|
||||
break;
|
||||
case Operation::Modulate:
|
||||
shader += variable_name + "[0] * " + variable_name + "[1]";
|
||||
break;
|
||||
case Operation::Add:
|
||||
shader += "min(" + variable_name + "[0] + " + variable_name + "[1], 1.0)";
|
||||
break;
|
||||
case Operation::AddSigned:
|
||||
shader += "clamp(" + variable_name + "[0] + " + variable_name + "[1] - 0.5, 0.0, 1.0)";
|
||||
break;
|
||||
case Operation::Lerp:
|
||||
shader += variable_name + "[0] * " + variable_name + "[2] + " + variable_name + "[1] * (1.0 - " + variable_name + "[2])";
|
||||
break;
|
||||
case Operation::Subtract:
|
||||
shader += "max(" + variable_name + "[0] - " + variable_name + "[1], 0.0)";
|
||||
break;
|
||||
case Operation::MultiplyThenAdd:
|
||||
shader += "min(" + variable_name + "[0] * " + variable_name + "[1] + " + variable_name + "[2], 1.0)";
|
||||
break;
|
||||
case Operation::AddThenMultiply:
|
||||
shader += "min(" + variable_name + "[0] + " + variable_name + "[1], 1.0) * " + variable_name + "[2]";
|
||||
break;
|
||||
default:
|
||||
shader += "0.0";
|
||||
LOG_CRITICAL(Render_OpenGL, "Unknown alpha combiner op %u", operation);
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
void AppendAlphaTestCondition(std::string& shader, Pica::Regs::CompareFunc func) {
|
||||
using CompareFunc = Pica::Regs::CompareFunc;
|
||||
switch (func) {
|
||||
case CompareFunc::Never:
|
||||
shader += "true";
|
||||
break;
|
||||
case CompareFunc::Always:
|
||||
shader += "false";
|
||||
break;
|
||||
case CompareFunc::Equal:
|
||||
shader += "g_last_tex_env_out.a != alphatest_ref";
|
||||
break;
|
||||
case CompareFunc::NotEqual:
|
||||
shader += "g_last_tex_env_out.a == alphatest_ref";
|
||||
break;
|
||||
case CompareFunc::LessThan:
|
||||
shader += "g_last_tex_env_out.a >= alphatest_ref";
|
||||
break;
|
||||
case CompareFunc::LessThanOrEqual:
|
||||
shader += "g_last_tex_env_out.a > alphatest_ref";
|
||||
break;
|
||||
case CompareFunc::GreaterThan:
|
||||
shader += "g_last_tex_env_out.a <= alphatest_ref";
|
||||
break;
|
||||
case CompareFunc::GreaterThanOrEqual:
|
||||
shader += "g_last_tex_env_out.a < alphatest_ref";
|
||||
break;
|
||||
default:
|
||||
shader += "false";
|
||||
LOG_CRITICAL(Render_OpenGL, "Unknown alpha test condition %u", func);
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
std::string GenerateFragmentShader(const ShaderCacheKey& config) {
|
||||
std::string shader = R"(
|
||||
#version 150 core
|
||||
|
||||
#define NUM_VTX_ATTR 7
|
||||
#define NUM_TEV_STAGES 6
|
||||
|
||||
in vec4 o[NUM_VTX_ATTR];
|
||||
out vec4 color;
|
||||
|
||||
uniform float alphatest_ref;
|
||||
uniform vec4 const_color[NUM_TEV_STAGES];
|
||||
uniform sampler2D tex[3];
|
||||
|
||||
uniform vec4 tev_combiner_buffer_color;
|
||||
|
||||
void main(void) {
|
||||
vec4 g_combiner_buffer = tev_combiner_buffer_color;
|
||||
vec4 g_last_tex_env_out = vec4(0.0, 0.0, 0.0, 0.0);
|
||||
)";
|
||||
|
||||
// Do not do any sort of processing if it's obvious we're not going to pass the alpha test
|
||||
if (config.alpha_test_func == Pica::Regs::CompareFunc::Never) {
|
||||
shader += "discard;";
|
||||
return shader;
|
||||
}
|
||||
|
||||
auto& tev_stages = config.tev_stages;
|
||||
for (unsigned tev_stage_index = 0; tev_stage_index < tev_stages.size(); ++tev_stage_index) {
|
||||
auto& tev_stage = tev_stages[tev_stage_index];
|
||||
if (!IsPassThroughTevStage(tev_stage)) {
|
||||
std::string index_name = std::to_string(tev_stage_index);
|
||||
|
||||
shader += "vec3 color_results_" + index_name + "[3] = vec3[3](";
|
||||
AppendColorModifier(shader, tev_stage.color_modifier1, tev_stage.color_source1, index_name);
|
||||
shader += ", ";
|
||||
AppendColorModifier(shader, tev_stage.color_modifier2, tev_stage.color_source2, index_name);
|
||||
shader += ", ";
|
||||
AppendColorModifier(shader, tev_stage.color_modifier3, tev_stage.color_source3, index_name);
|
||||
shader += ");\n";
|
||||
|
||||
shader += "vec3 color_output_" + index_name + " = ";
|
||||
AppendColorCombiner(shader, tev_stage.color_op, "color_results_" + index_name);
|
||||
shader += ";\n";
|
||||
|
||||
shader += "float alpha_results_" + index_name + "[3] = float[3](";
|
||||
AppendAlphaModifier(shader, tev_stage.alpha_modifier1, tev_stage.alpha_source1, index_name);
|
||||
shader += ", ";
|
||||
AppendAlphaModifier(shader, tev_stage.alpha_modifier2, tev_stage.alpha_source2, index_name);
|
||||
shader += ", ";
|
||||
AppendAlphaModifier(shader, tev_stage.alpha_modifier3, tev_stage.alpha_source3, index_name);
|
||||
shader += ");\n";
|
||||
|
||||
shader += "float alpha_output_" + index_name + " = ";
|
||||
AppendAlphaCombiner(shader, tev_stage.alpha_op, "alpha_results_" + index_name);
|
||||
shader += ";\n";
|
||||
|
||||
shader += "g_last_tex_env_out = vec4(min(color_output_" + index_name + " * " + std::to_string(tev_stage.GetColorMultiplier()) + ".0, 1.0), min(alpha_output_" + index_name + " * " + std::to_string(tev_stage.GetAlphaMultiplier()) + ".0, 1.0));\n";
|
||||
}
|
||||
|
||||
if (config.TevStageUpdatesCombinerBufferColor(tev_stage_index))
|
||||
shader += "g_combiner_buffer.rgb = g_last_tex_env_out.rgb;\n";
|
||||
|
||||
if (config.TevStageUpdatesCombinerBufferAlpha(tev_stage_index))
|
||||
shader += "g_combiner_buffer.a = g_last_tex_env_out.a;\n";
|
||||
}
|
||||
|
||||
if (config.alpha_test_func != Pica::Regs::CompareFunc::Always) {
|
||||
shader += "if (";
|
||||
AppendAlphaTestCondition(shader, config.alpha_test_func);
|
||||
shader += ") {\n discard;\n }\n";
|
||||
}
|
||||
|
||||
shader += "color = g_last_tex_env_out;\n}";
|
||||
return shader;
|
||||
}
|
||||
}
|
||||
|
|
|
|||
|
|
@ -8,6 +8,12 @@
|
|||
|
||||
namespace ShaderUtil {
|
||||
|
||||
enum Attributes {
|
||||
ATTRIBUTE_POSITION = 0,
|
||||
ATTRIBUTE_COLOR = 1,
|
||||
ATTRIBUTE_TEXCOORDS = 2,
|
||||
};
|
||||
|
||||
GLuint LoadShaders(const char* vertex_file_path, const char* fragment_file_path);
|
||||
|
||||
}
|
||||
|
|
|
|||
|
|
@ -49,14 +49,16 @@ const char g_vertex_shader_hw[] = R"(
|
|||
|
||||
in vec4 vert_position;
|
||||
in vec4 vert_color;
|
||||
in vec2 vert_texcoords[3];
|
||||
in vec2 vert_texcoords0;
|
||||
in vec2 vert_texcoords1;
|
||||
in vec2 vert_texcoords2;
|
||||
|
||||
out vec4 o[NUM_VTX_ATTR];
|
||||
|
||||
void main() {
|
||||
o[2] = vert_color;
|
||||
o[3] = vec4(vert_texcoords[0].xy, vert_texcoords[1].xy);
|
||||
o[5] = vec4(0.0, 0.0, vert_texcoords[2].xy);
|
||||
o[3] = vec4(vert_texcoords0.xy, vert_texcoords1.xy);
|
||||
o[5] = vec4(0.0, 0.0, vert_texcoords2.xy);
|
||||
|
||||
gl_Position = vec4(vert_position.x, -vert_position.y, -vert_position.z, vert_position.w);
|
||||
}
|
||||
|
|
|
|||
|
|
@ -65,6 +65,7 @@ public:
|
|||
GLuint vertex_array; // GL_VERTEX_ARRAY_BINDING
|
||||
GLuint vertex_buffer; // GL_ARRAY_BUFFER_BINDING
|
||||
GLuint shader_program; // GL_CURRENT_PROGRAM
|
||||
bool shader_dirty;
|
||||
} draw;
|
||||
|
||||
OpenGLState();
|
||||
|
|
|
|||
Loading…
Reference in a new issue