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renderer_opengl: State track assembly programs

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This commit is contained in:
ReinUsesLisp 2021-05-20 16:53:51 -03:00 committed by ameerj
parent 0a54291c9c
commit c5ca4fe451
3 changed files with 56 additions and 23 deletions
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27
src/video_core/renderer_opengl/gl_graphics_program.cpp
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@ -42,6 +42,9 @@ GraphicsProgram::GraphicsProgram(TextureCache& texture_cache_, BufferCache& buff
std::ranges::transform(infos, stage_infos.begin(),
[](const Shader::Info* info) { return info ? *info : Shader::Info{}; });
for (size_t stage = 0; stage < 5; ++stage) {
enabled_stages_mask |= (assembly_programs[stage].handle != 0 ? 1 : 0) << stage;
}
u32 num_textures{};
u32 num_images{};
for (size_t stage = 0; stage < base_uniform_bindings.size() - 1; ++stage) {
@ -182,6 +185,9 @@ void GraphicsProgram::Configure(bool is_indexed) {
const std::span indices_span(image_view_indices.data(), image_view_index);
texture_cache.FillGraphicsImageViews(indices_span, image_view_ids);
texture_cache.UpdateRenderTargets(false);
state_tracker.BindFramebuffer(texture_cache.GetFramebuffer()->Handle());
ImageId* texture_buffer_index{image_view_ids.data()};
const auto bind_stage_info{[&](size_t stage) {
size_t index{};
@ -240,14 +246,8 @@ void GraphicsProgram::Configure(bool is_indexed) {
buffer_cache.UpdateGraphicsBuffers(is_indexed);
buffer_cache.BindHostGeometryBuffers(is_indexed);
// FIXME: Unhack this
if (assembly_programs[0].handle != 0) {
// TODO: State track this
glEnable(GL_VERTEX_PROGRAM_NV);
glEnable(GL_FRAGMENT_PROGRAM_NV);
glBindProgramARB(GL_VERTEX_PROGRAM_NV, assembly_programs[0].handle);
glBindProgramARB(GL_FRAGMENT_PROGRAM_NV, assembly_programs[4].handle);
program_manager.BindProgram(0);
program_manager.BindAssemblyPrograms(assembly_programs, enabled_stages_mask);
} else {
program_manager.BindProgram(program.handle);
}
@ -300,19 +300,6 @@ void GraphicsProgram::Configure(bool is_indexed) {
if (image_binding != 0) {
glBindImageTextures(0, image_binding, images.data());
}
texture_cache.UpdateRenderTargets(false);
state_tracker.BindFramebuffer(texture_cache.GetFramebuffer()->Handle());
if (assembly_programs[0].handle != 0) {
// TODO: State track this
glEnable(GL_VERTEX_PROGRAM_NV);
glEnable(GL_FRAGMENT_PROGRAM_NV);
glBindProgramARB(GL_VERTEX_PROGRAM_NV, assembly_programs[0].handle);
glBindProgramARB(GL_FRAGMENT_PROGRAM_NV, assembly_programs[4].handle);
program_manager.BindProgram(0);
} else {
program_manager.BindProgram(program.handle);
}
}
} // namespace OpenGL

1
src/video_core/renderer_opengl/gl_graphics_program.h
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@ -89,6 +89,7 @@ private:
OGLProgram program;
std::array<OGLAssemblyProgram, 5> assembly_programs;
u32 enabled_stages_mask{};
std::array<Shader::Info, 5> stage_infos{};
std::array<u32, 5> base_uniform_bindings{};

51
src/video_core/renderer_opengl/gl_shader_manager.h
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@ -4,24 +4,69 @@
#pragma once
#include <array>
#include <span>
#include <glad/glad.h>
#include "video_core/renderer_opengl/gl_resource_manager.h"
#pragma optimize("", off)
namespace OpenGL {
class ProgramManager {
static constexpr size_t NUM_STAGES = 5;
static constexpr std::array ASSEMBLY_PROGRAM_ENUMS{
GL_VERTEX_PROGRAM_NV, GL_TESS_CONTROL_PROGRAM_NV, GL_TESS_EVALUATION_PROGRAM_NV,
GL_GEOMETRY_PROGRAM_NV, GL_FRAGMENT_PROGRAM_NV,
};
public:
void BindProgram(GLuint program) {
if (bound_program == program) {
if (current_source_program == program) {
return;
}
bound_program = program;
current_source_program = program;
glUseProgram(program);
}
void BindAssemblyPrograms(std::span<const OGLAssemblyProgram, NUM_STAGES> programs,
u32 stage_mask) {
const u32 changed_mask = current_assembly_mask ^ stage_mask;
current_assembly_mask = stage_mask;
if (changed_mask != 0) {
for (size_t stage = 0; stage < NUM_STAGES; ++stage) {
if (((changed_mask >> stage) & 1) != 0) {
if (((stage_mask >> stage) & 1) != 0) {
glEnable(ASSEMBLY_PROGRAM_ENUMS[stage]);
} else {
glDisable(ASSEMBLY_PROGRAM_ENUMS[stage]);
}
}
}
}
for (size_t stage = 0; stage < NUM_STAGES; ++stage) {
if (current_assembly_programs[stage] != programs[stage].handle) {
current_assembly_programs[stage] = programs[stage].handle;
glBindProgramARB(ASSEMBLY_PROGRAM_ENUMS[stage], programs[stage].handle);
}
}
if (current_source_program != 0) {
current_source_program = 0;
glUseProgram(0);
}
}
void RestoreGuestCompute() {}
private:
GLuint bound_program = 0;
GLuint current_source_program = 0;
u32 current_assembly_mask = 0;
std::array<GLuint, NUM_STAGES> current_assembly_programs;
};
} // namespace OpenGL