surface_base: Implement texture buffer flushes
Implement downloads to guest memory from texture buffers on the generic cache and OpenGL.
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@ -260,6 +260,13 @@ CachedSurface::~CachedSurface() = default;
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void CachedSurface::DownloadTexture(std::vector<u8>& staging_buffer) {
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MICROPROFILE_SCOPE(OpenGL_Texture_Download);
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if (params.IsBuffer()) {
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glGetNamedBufferSubData(texture_buffer.handle, 0,
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static_cast<GLsizeiptr>(params.GetHostSizeInBytes()),
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staging_buffer.data());
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return;
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}
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SCOPE_EXIT({ glPixelStorei(GL_PACK_ROW_LENGTH, 0); });
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for (u32 level = 0; level < params.emulated_levels; ++level) {
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@ -277,6 +277,10 @@ void SurfaceBaseImpl::FlushBuffer(Tegra::MemoryManager& memory_manager,
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SwizzleFunc(MortonSwizzleMode::LinearToMorton, host_ptr, params,
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staging_buffer.data() + host_offset, level);
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}
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} else if (params.IsBuffer()) {
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// Buffers don't have pitch or any fancy layout property. We can just memcpy them to guest
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// memory.
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std::memcpy(host_ptr, staging_buffer.data(), guest_memory_size);
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} else {
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ASSERT(params.target == SurfaceTarget::Texture2D);
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ASSERT(params.num_levels == 1);
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