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GPU/Vulkan: Work around Mali crash with readbacks

This commit is contained in:
Connor McLaughlin 2020-08-03 02:03:33 +10:00
parent b527118c0a
commit be6ae8b70b
1 changed files with 3 additions and 1 deletions
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4
src/core/gpu_hw_vulkan.cpp
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@ -980,7 +980,9 @@ void GPU_HW_Vulkan::ReadVRAM(u32 x, u32 y, u32 width, u32 height)
m_vram_texture.TransitionToLayout(cmdbuf, VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL); m_vram_texture.TransitionToLayout(cmdbuf, VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL);
m_vram_readback_texture.TransitionToLayout(cmdbuf, VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL); m_vram_readback_texture.TransitionToLayout(cmdbuf, VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL);
BeginRenderPass(m_vram_readback_render_pass, m_vram_readback_framebuffer, 0, 0, encoded_width, encoded_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);
// Encode the 24-bit texture as 16-bit. // Encode the 24-bit texture as 16-bit.
const u32 uniforms[4] = {copy_rect.left, copy_rect.top, copy_rect.GetWidth(), copy_rect.GetHeight()}; const u32 uniforms[4] = {copy_rect.left, copy_rect.top, copy_rect.GetWidth(), copy_rect.GetHeight()};