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Code Issues Releases Activity

gl_rasterizer_cache: Remove unnecessary memory allocation and copy in CopySurface

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Frederic Laing 2018-11-08 13:58:53 +01:00 committed by Frederic Laing
parent 81ff9e2473
commit e2bf581e3a
1 changed files with 7 additions and 10 deletions
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17
src/video_core/renderer_opengl/gl_rasterizer_cache.cpp
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@ -708,18 +708,18 @@ static void FastCopySurface(const Surface& src_surface, const Surface& dst_surfa
MICROPROFILE_DEFINE(OpenGL_CopySurface, "OpenGL", "CopySurface", MP_RGB(128, 192, 64));
static void CopySurface(const Surface& src_surface, const Surface& dst_surface,
GLuint copy_pbo_handle, GLenum src_attachment = 0,
GLenum dst_attachment = 0, std::size_t cubemap_face = 0) {
const GLuint copy_pbo_handle, const GLenum src_attachment = 0,
const GLenum dst_attachment = 0, const std::size_t cubemap_face = 0) {
MICROPROFILE_SCOPE(OpenGL_CopySurface);
ASSERT_MSG(dst_attachment == 0, "Unimplemented");
const auto& src_params{src_surface->GetSurfaceParams()};
const auto& dst_params{dst_surface->GetSurfaceParams()};
auto source_format = GetFormatTuple(src_params.pixel_format, src_params.component_type);
auto dest_format = GetFormatTuple(dst_params.pixel_format, dst_params.component_type);
const auto source_format = GetFormatTuple(src_params.pixel_format, src_params.component_type);
const auto dest_format = GetFormatTuple(dst_params.pixel_format, dst_params.component_type);
std::size_t buffer_size = std::max(src_params.size_in_bytes, dst_params.size_in_bytes);
const std::size_t buffer_size = std::max(src_params.size_in_bytes, dst_params.size_in_bytes);
glBindBuffer(GL_PIXEL_PACK_BUFFER, copy_pbo_handle);
glBufferData(GL_PIXEL_PACK_BUFFER, buffer_size, nullptr, GL_STREAM_DRAW_ARB);
@ -743,13 +743,10 @@ static void CopySurface(const Surface& src_surface, const Surface& dst_surface,
LOG_DEBUG(HW_GPU, "Trying to upload extra texture data from the CPU during "
"reinterpretation but the texture is tiled.");
}
std::size_t remaining_size = dst_params.size_in_bytes - src_params.size_in_bytes;
std::vector<u8> data(remaining_size);
std::memcpy(data.data(), Memory::GetPointer(dst_params.addr + src_params.size_in_bytes),
data.size());
const std::size_t remaining_size = dst_params.size_in_bytes - src_params.size_in_bytes;
glBufferSubData(GL_PIXEL_PACK_BUFFER, src_params.size_in_bytes, remaining_size,
data.data());
Memory::GetPointer(dst_params.addr + src_params.size_in_bytes));
}
glBindBuffer(GL_PIXEL_PACK_BUFFER, 0);