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gl_rasterizer: Use a shared helper to upload from CPU memory.

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This commit is contained in:
Markus Wick 2018-08-10 19:11:12 +02:00
parent 0af7e93763
commit 0eb39922f6
2 changed files with 33 additions and 28 deletions
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57
src/video_core/renderer_opengl/gl_rasterizer.cpp
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@ -99,7 +99,6 @@ std::pair<u8*, GLintptr> RasterizerOpenGL::SetupVertexArrays(u8* array_ptr,
GLintptr buffer_offset) {
MICROPROFILE_SCOPE(OpenGL_VAO);
const auto& regs = Core::System::GetInstance().GPU().Maxwell3D().regs;
const auto& memory_manager = Core::System::GetInstance().GPU().memory_manager;
state.draw.vertex_array = hw_vao.handle;
state.draw.vertex_buffer = stream_buffer.GetHandle();
@ -117,16 +116,15 @@ std::pair<u8*, GLintptr> RasterizerOpenGL::SetupVertexArrays(u8* array_ptr,
ASSERT(end > start);
u64 size = end - start + 1;
// Copy vertex array data
Memory::ReadBlock(*memory_manager->GpuToCpuAddress(start), array_ptr, size);
GLintptr vertex_buffer_offset;
std::tie(array_ptr, buffer_offset, vertex_buffer_offset) =
UploadMemory(array_ptr, buffer_offset, start, size);
// Bind the vertex array to the buffer at the current offset.
glBindVertexBuffer(index, stream_buffer.GetHandle(), buffer_offset, vertex_array.stride);
glBindVertexBuffer(index, stream_buffer.GetHandle(), vertex_buffer_offset,
vertex_array.stride);
ASSERT_MSG(vertex_array.divisor == 0, "Vertex buffer divisor unimplemented");
array_ptr += size;
buffer_offset += size;
}
// Use the vertex array as-is, assumes that the data is formatted correctly for OpenGL.
@ -407,6 +405,23 @@ std::pair<u8*, GLintptr> RasterizerOpenGL::AlignBuffer(u8* buffer_ptr, GLintptr
return {buffer_ptr + (offset_aligned - buffer_offset), offset_aligned};
}
std::tuple<u8*, GLintptr, GLintptr> RasterizerOpenGL::UploadMemory(u8* buffer_ptr,
GLintptr buffer_offset,
Tegra::GPUVAddr gpu_addr,
size_t size, size_t alignment) {
std::tie(buffer_ptr, buffer_offset) = AlignBuffer(buffer_ptr, buffer_offset, alignment);
GLintptr uploaded_offset = buffer_offset;
const auto& memory_manager = Core::System::GetInstance().GPU().memory_manager;
const boost::optional<VAddr> cpu_addr{memory_manager->GpuToCpuAddress(gpu_addr)};
Memory::ReadBlock(*cpu_addr, buffer_ptr, size);
buffer_ptr += size;
buffer_offset += size;
return {buffer_ptr, buffer_offset, uploaded_offset};
}
void RasterizerOpenGL::DrawArrays() {
if (accelerate_draw == AccelDraw::Disabled)
return;
@ -456,23 +471,13 @@ void RasterizerOpenGL::DrawArrays() {
std::tie(buffer_ptr, buffer_offset) = SetupVertexArrays(buffer_ptr, buffer_offset);
std::tie(buffer_ptr, buffer_offset) = AlignBuffer(buffer_ptr, buffer_offset, 4);
// If indexed mode, copy the index buffer
GLintptr index_buffer_offset = 0;
if (is_indexed) {
const auto& memory_manager = Core::System::GetInstance().GPU().memory_manager;
const boost::optional<VAddr> index_data_addr{
memory_manager->GpuToCpuAddress(regs.index_array.StartAddress())};
Memory::ReadBlock(*index_data_addr, buffer_ptr, index_buffer_size);
index_buffer_offset = buffer_offset;
buffer_ptr += index_buffer_size;
buffer_offset += index_buffer_size;
std::tie(buffer_ptr, buffer_offset, index_buffer_offset) = UploadMemory(
buffer_ptr, buffer_offset, regs.index_array.StartAddress(), index_buffer_size);
}
std::tie(buffer_ptr, buffer_offset) = AlignBuffer(buffer_ptr, buffer_offset, 4);
std::tie(buffer_ptr, buffer_offset) = SetupShaders(buffer_ptr, buffer_offset);
stream_buffer.Unmap(buffer_ptr - buffer_ptr_base);
@ -639,8 +644,6 @@ std::tuple<u8*, GLintptr, u32> RasterizerOpenGL::SetupConstBuffers(
continue;
}
boost::optional<VAddr> addr = gpu.memory_manager->GpuToCpuAddress(buffer.address);
size_t size = 0;
if (used_buffer.IsIndirect()) {
@ -662,15 +665,13 @@ std::tuple<u8*, GLintptr, u32> RasterizerOpenGL::SetupConstBuffers(
size = Common::AlignUp(size, sizeof(GLvec4));
ASSERT_MSG(size <= MaxConstbufferSize, "Constbuffer too big");
std::tie(buffer_ptr, buffer_offset) =
AlignBuffer(buffer_ptr, buffer_offset, static_cast<size_t>(uniform_buffer_alignment));
GLintptr const_buffer_offset;
std::tie(buffer_ptr, buffer_offset, const_buffer_offset) =
UploadMemory(buffer_ptr, buffer_offset, buffer.address, size,
static_cast<size_t>(uniform_buffer_alignment));
glBindBufferRange(GL_UNIFORM_BUFFER, current_bindpoint + bindpoint,
stream_buffer.GetHandle(), buffer_offset, size);
Memory::ReadBlock(*addr, buffer_ptr, size);
buffer_ptr += size;
buffer_offset += size;
stream_buffer.GetHandle(), const_buffer_offset, size);
// Now configure the bindpoint of the buffer inside the shader
const std::string buffer_name = used_buffer.GetName();

4
src/video_core/renderer_opengl/gl_rasterizer.h
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@ -171,6 +171,10 @@ private:
std::pair<u8*, GLintptr> AlignBuffer(u8* buffer_ptr, GLintptr buffer_offset, size_t alignment);
std::tuple<u8*, GLintptr, GLintptr> UploadMemory(u8* buffer_ptr, GLintptr buffer_offset,
Tegra::GPUVAddr gpu_addr, size_t size,
size_t alignment = 4);
enum class AccelDraw { Disabled, Arrays, Indexed };
AccelDraw accelerate_draw = AccelDraw::Disabled;
};