sgilissen/llamaplayer
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

GPU: Eliminate temporary buffer when reading back

Browse Source
This commit is contained in:
Connor McLaughlin
2019-11-14 17:16:59 +10:00
parent 3998b9684e
commit 9ea7a8418c
11 changed files with 39 additions and 50 deletions
Download Patch File Download Diff File Expand all files Collapse all files

21
src/core/gpu_hw.cpp
View File

@ -8,7 +8,10 @@
#include <sstream>
Log_SetChannel(GPU_HW);
GPU_HW::GPU_HW() = default;
GPU_HW::GPU_HW() : GPU()
{
m_vram_ptr = m_vram_shadow.data();
}
GPU_HW::~GPU_HW() = default;
@ -209,22 +212,6 @@ GPU_HW::BatchPrimitive GPU_HW::GetPrimitiveForCommand(RenderCommand rc)
return BatchPrimitive::Triangles;
}
void GPU_HW::ReadVRAM(u32 x, u32 y, u32 width, u32 height, void* buffer)
{
u8* out_ptr = static_cast<u8*>(buffer);
for (u32 row = 0; row < height; row++)
{
const u32 row_offset = ((y + row) % VRAM_HEIGHT) * VRAM_WIDTH;
for (u32 col = 0; col < width; col++)
{
const u32 col_offset = row_offset + ((x + col) % VRAM_WIDTH);
std::memcpy(out_ptr, &m_vram_shadow[col_offset], sizeof(u16));
out_ptr += sizeof(u16);
}
}
}
void GPU_HW::FillVRAM(u32 x, u32 y, u32 width, u32 height, u32 color)
{
m_vram_dirty_rect.Include(Common::Rectangle<u32>::FromExtents(x, y, width, height));