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gl_state: Don't track constant buffer mappings.

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This commit is contained in:
Markus Wick 2018-08-10 11:40:16 +02:00
parent 6ff7906ddc
commit 0af7e93763
3 changed files with 3 additions and 41 deletions
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18
src/video_core/renderer_opengl/gl_rasterizer.cpp
View file

@ -628,28 +628,17 @@ std::tuple<u8*, GLintptr, u32> RasterizerOpenGL::SetupConstBuffers(
const auto& gpu = Core::System::GetInstance().GPU();
const auto& maxwell3d = gpu.Maxwell3D();
// Reset all buffer draw state for this stage.
for (auto& buffer : state.draw.const_buffers[static_cast<size_t>(stage)]) {
buffer.bindpoint = 0;
buffer.enabled = false;
}
// Upload only the enabled buffers from the 16 constbuffers of each shader stage
const auto& shader_stage = maxwell3d.state.shader_stages[static_cast<size_t>(stage)];
for (u32 bindpoint = 0; bindpoint < entries.size(); ++bindpoint) {
const auto& used_buffer = entries[bindpoint];
const auto& buffer = shader_stage.const_buffers[used_buffer.GetIndex()];
auto& buffer_draw_state =
state.draw.const_buffers[static_cast<size_t>(stage)][used_buffer.GetIndex()];
if (!buffer.enabled) {
continue;
}
buffer_draw_state.enabled = true;
buffer_draw_state.bindpoint = current_bindpoint + bindpoint;
boost::optional<VAddr> addr = gpu.memory_manager->GpuToCpuAddress(buffer.address);
size_t size = 0;
@ -676,9 +665,8 @@ std::tuple<u8*, GLintptr, u32> RasterizerOpenGL::SetupConstBuffers(
std::tie(buffer_ptr, buffer_offset) =
AlignBuffer(buffer_ptr, buffer_offset, static_cast<size_t>(uniform_buffer_alignment));
buffer_draw_state.size = size;
buffer_draw_state.offset = buffer_offset;
buffer_draw_state.ssbo = stream_buffer.GetHandle();
glBindBufferRange(GL_UNIFORM_BUFFER, current_bindpoint + bindpoint,
stream_buffer.GetHandle(), buffer_offset, size);
Memory::ReadBlock(*addr, buffer_ptr, size);
buffer_ptr += size;
@ -689,7 +677,7 @@ std::tuple<u8*, GLintptr, u32> RasterizerOpenGL::SetupConstBuffers(
const GLuint index =
glGetProgramResourceIndex(program, GL_UNIFORM_BLOCK, buffer_name.c_str());
if (index != GL_INVALID_INDEX) {
glUniformBlockBinding(program, index, buffer_draw_state.bindpoint);
glUniformBlockBinding(program, index, current_bindpoint + bindpoint);
}
}

18
src/video_core/renderer_opengl/gl_state.cpp
View file

@ -203,24 +203,6 @@ void OpenGLState::Apply() const {
}
}
// Constbuffers
for (std::size_t stage = 0; stage < draw.const_buffers.size(); ++stage) {
for (std::size_t buffer_id = 0; buffer_id < draw.const_buffers[stage].size(); ++buffer_id) {
const auto& current = cur_state.draw.const_buffers[stage][buffer_id];
const auto& new_state = draw.const_buffers[stage][buffer_id];
if (std::tie(current.enabled, current.bindpoint, current.ssbo, current.size,
current.offset) != std::tie(new_state.enabled, new_state.bindpoint,
new_state.ssbo, new_state.size,
new_state.offset)) {
if (new_state.enabled) {
glBindBufferRange(GL_UNIFORM_BUFFER, new_state.bindpoint, new_state.ssbo,
new_state.offset, new_state.size);
}
}
}
}
// Framebuffer
if (draw.read_framebuffer != cur_state.draw.read_framebuffer) {
glBindFramebuffer(GL_READ_FRAMEBUFFER, draw.read_framebuffer);

8
src/video_core/renderer_opengl/gl_state.h
View file

@ -119,14 +119,6 @@ public:
GLuint uniform_buffer; // GL_UNIFORM_BUFFER_BINDING
GLuint shader_program; // GL_CURRENT_PROGRAM
GLuint program_pipeline; // GL_PROGRAM_PIPELINE_BINDING
struct ConstBufferConfig {
bool enabled = false;
GLuint bindpoint;
GLuint ssbo;
GLsizeiptr size;
GLintptr offset;
};
std::array<std::array<ConstBufferConfig, Regs::MaxConstBuffers>, 5> const_buffers;
} draw;
struct {