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GPU/Vulkan: Use half width framebuffer for VRAM readbacks

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This commit is contained in:
Connor McLaughlin 2020-09-01 12:02:04 +10:00
parent d59eb05d94
commit e21fc9e253
1 changed files with 3 additions and 2 deletions
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5
src/core/gpu_hw_vulkan.cpp
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@ -394,7 +394,7 @@ bool GPU_HW_Vulkan::CreateFramebuffer()
!m_vram_readback_texture.Create(VRAM_WIDTH, VRAM_HEIGHT, 1, 1, texture_format, samples, VK_IMAGE_VIEW_TYPE_2D,
VK_IMAGE_TILING_OPTIMAL,
VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT | VK_IMAGE_USAGE_TRANSFER_SRC_BIT) ||
!m_vram_readback_staging_texture.Create(Vulkan::StagingBuffer::Type::Readback, texture_format, VRAM_WIDTH,
!m_vram_readback_staging_texture.Create(Vulkan::StagingBuffer::Type::Readback, texture_format, VRAM_WIDTH / 2,
VRAM_HEIGHT))
{
return false;
@ -1019,7 +1019,8 @@ void GPU_HW_Vulkan::ReadVRAM(u32 x, u32 y, u32 width, u32 height)
// Work around Mali driver bug: set full framebuffer size for render area. The GPU crashes with a page fault if we use
// the actual size we're rendering to...
BeginRenderPass(m_vram_readback_render_pass, m_vram_readback_framebuffer, 0, 0, VRAM_WIDTH, VRAM_HEIGHT);
BeginRenderPass(m_vram_readback_render_pass, m_vram_readback_framebuffer, 0, 0, m_vram_readback_texture.GetWidth(),
m_vram_readback_texture.GetHeight());
// Encode the 24-bit texture as 16-bit.
const u32 uniforms[4] = {copy_rect.left, copy_rect.top, copy_rect.GetWidth(), copy_rect.GetHeight()};