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GPU/OpenGL: Use CopyImageSubData for VRAM copies

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Not correct with regard to the mask bit handling, but better than
blitting.
This commit is contained in:
Connor McLaughlin 2019-11-25 00:26:18 +10:00
parent 22e8b6b0a7
commit 771a151567
1 changed files with 18 additions and 5 deletions
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23
src/core/gpu_hw_opengl.cpp
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@ -712,11 +712,24 @@ void GPU_HW_OpenGL::CopyVRAM(u32 src_x, u32 src_y, u32 dst_x, u32 dst_y, u32 wid
src_y = m_vram_texture->GetHeight() - src_y - height;
dst_y = m_vram_texture->GetHeight() - dst_y - height;
glDisable(GL_SCISSOR_TEST);
m_vram_texture->BindFramebuffer(GL_READ_FRAMEBUFFER);
glBlitFramebuffer(src_x, src_y, src_x + width, src_y + height, dst_x, dst_y, dst_x + width, dst_y + height,
GL_COLOR_BUFFER_BIT, GL_NEAREST);
glEnable(GL_SCISSOR_TEST);
if (GLAD_GL_VERSION_4_3)
{
glCopyImageSubData(m_vram_texture->GetGLId(), GL_TEXTURE_2D, 0, src_x, src_y, 0, m_vram_texture->GetGLId(),
GL_TEXTURE_2D, 0, dst_x, dst_y, 0, width, height, 1);
}
else if (GLAD_GL_EXT_copy_image)
{
glCopyImageSubDataEXT(m_vram_texture->GetGLId(), GL_TEXTURE_2D, 0, src_x, src_y, 0, m_vram_texture->GetGLId(),
GL_TEXTURE_2D, 0, dst_x, dst_y, 0, width, height, 1);
}
else
{
glDisable(GL_SCISSOR_TEST);
m_vram_texture->BindFramebuffer(GL_READ_FRAMEBUFFER);
glBlitFramebuffer(src_x, src_y, src_x + width, src_y + height, dst_x, dst_y, dst_x + width, dst_y + height,
GL_COLOR_BUFFER_BIT, GL_NEAREST);
glEnable(GL_SCISSOR_TEST);
}
}
void GPU_HW_OpenGL::UpdateVRAMReadTexture()