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GPU/HW: Provide depth in vertex rather than computing

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Fixes mask bit effects in Vulkan (e.g. Silent Hill).
Significantly reduces the number of mask bit refreshes in OpenGL/Vulkan.
This commit is contained in:
Connor McLaughlin
2020-06-20 20:21:32 +10:00
parent 7192b8d83a
commit a08c398d4b
6 changed files with 58 additions and 112 deletions
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6
src/core/gpu_hw_opengl.cpp
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@ -281,7 +281,7 @@ bool GPU_HW_OpenGL::CreateVertexBuffer()
glEnableVertexAttribArray(1);
glEnableVertexAttribArray(2);
glEnableVertexAttribArray(3);
glVertexAttribIPointer(0, 2, GL_INT, sizeof(BatchVertex), reinterpret_cast<void*>(offsetof(BatchVertex, x)));
glVertexAttribIPointer(0, 3, GL_INT, sizeof(BatchVertex), reinterpret_cast<void*>(offsetof(BatchVertex, x)));
glVertexAttribPointer(1, 4, GL_UNSIGNED_BYTE, true, sizeof(BatchVertex),
reinterpret_cast<void*>(offsetof(BatchVertex, color)));
glVertexAttribIPointer(2, 1, GL_UNSIGNED_INT, sizeof(BatchVertex), reinterpret_cast<void*>(offsetof(BatchVertex, u)));
@ -779,7 +779,7 @@ void GPU_HW_OpenGL::UpdateVRAM(u32 x, u32 y, u32 width, u32 height, const void*
height,
map_result.index_aligned,
m_GPUSTAT.set_mask_while_drawing ? 0x8000u : 0x00,
GetCurrentNormalizedBatchVertexDepthID()};
GetCurrentNormalizedVertexDepth()};
UploadUniformBuffer(&uniforms, sizeof(uniforms));
glBindVertexArray(m_attributeless_vao_id);
@ -864,7 +864,7 @@ void GPU_HW_OpenGL::CopyVRAM(u32 src_x, u32 src_y, u32 dst_x, u32 dst_y, u32 wid
width * m_resolution_scale,
height * m_resolution_scale,
m_GPUSTAT.set_mask_while_drawing ? 1u : 0u,
GetCurrentNormalizedBatchVertexDepthID()};
GetCurrentNormalizedVertexDepth()};
uniforms.u_src_y = m_vram_texture.GetHeight() - uniforms.u_src_y - uniforms.u_height;
uniforms.u_dst_y = m_vram_texture.GetHeight() - uniforms.u_dst_y - uniforms.u_height;
UploadUniformBuffer(&uniforms, sizeof(uniforms));