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GPU: Eliminate temporary buffer when reading back

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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
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15
src/core/gpu.cpp
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@ -1,5 +1,6 @@
#include "gpu.h"
#include "YBaseLib/Log.h"
#include "common/heap_array.h"
#include "common/state_wrapper.h"
#include "dma.h"
#include "host_interface.h"
@ -127,16 +128,16 @@ bool GPU::DoState(StateWrapper& sw)
if (sw.IsReading())
{
std::vector<u16> vram;
sw.Do(&vram);
UpdateVRAM(0, 0, VRAM_WIDTH, VRAM_HEIGHT, vram.data());
// Still need a temporary here.
HeapArray<u16, VRAM_WIDTH * VRAM_HEIGHT> temp;
sw.DoBytes(temp.data(), VRAM_WIDTH * VRAM_HEIGHT * sizeof(u16));
UpdateVRAM(0, 0, VRAM_WIDTH, VRAM_HEIGHT, temp.data());
UpdateDisplay();
}
else
{
std::vector<u16> vram(VRAM_WIDTH * VRAM_HEIGHT);
ReadVRAM(0, 0, VRAM_WIDTH, VRAM_HEIGHT, vram.data());
sw.Do(&vram);
ReadVRAM(0, 0, VRAM_WIDTH, VRAM_HEIGHT);
sw.DoBytes(m_vram_ptr, VRAM_WIDTH * VRAM_HEIGHT * sizeof(u16));
}
return !sw.HasError();
@ -693,7 +694,7 @@ void GPU::HandleGetGPUInfoCommand(u32 value)
void GPU::UpdateDisplay() {}
void GPU::ReadVRAM(u32 x, u32 y, u32 width, u32 height, void* buffer) {}
void GPU::ReadVRAM(u32 x, u32 y, u32 width, u32 height) {}
void GPU::FillVRAM(u32 x, u32 y, u32 width, u32 height, u32 color) {}