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GPU: Various HW renderer fixes

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This commit is contained in:
Connor McLaughlin
2019-09-14 21:34:55 +10:00
parent d94d608ad7
commit 363d62e5c1
3 changed files with 13 additions and 5 deletions
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8
src/pse/gpu_hw_opengl.cpp
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@ -185,9 +185,9 @@ inline u32 ConvertRGBA5551ToRGBA8888(u16 color)
u8 a = Truncate8((color >> 15) & 1);
// 00012345 -> 1234545
b = (b << 3) | (b >> 3);
g = (g << 3) | (g >> 3);
r = (r << 3) | (r >> 3);
b = (b << 3) | (b & 0b111);
g = (g << 3) | (g & 0b111);
r = (r << 3) | (r & 0b111);
a = a ? 255 : 0;
return ZeroExtend32(r) | (ZeroExtend32(g) << 8) | (ZeroExtend32(b) << 16) | (ZeroExtend32(a) << 24);
@ -214,7 +214,7 @@ void GPU_HW_OpenGL::ReadVRAM(u32 x, u32 y, u32 width, u32 height, void* buffer)
// we need to convert RGBA8 -> RGBA5551
std::vector<u32> temp_buffer(width * height);
glBindFramebuffer(GL_READ_FRAMEBUFFER, m_framebuffer_fbo_id);
glReadPixels(x, y, width, height, GL_RGBA, GL_UNSIGNED_BYTE, temp_buffer.data());
glReadPixels(x, VRAM_HEIGHT - y - height, width, height, GL_RGBA, GL_UNSIGNED_BYTE, temp_buffer.data());
// reverse copy because of lower-left origin
const u32 source_stride = width * sizeof(u32);