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Merge pull request #995 from bunnei/gl-buff-bounds
gl_rasterizer_cache: Add bounds checking for gl_buffer copies.
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commit
6828c25498
@ -184,35 +184,37 @@ MathUtil::Rectangle<u32> SurfaceParams::GetRect() const {
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}
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template <bool morton_to_gl, PixelFormat format>
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void MortonCopy(u32 stride, u32 block_height, u32 height, u8* gl_buffer, Tegra::GPUVAddr addr) {
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void MortonCopy(u32 stride, u32 block_height, u32 height, std::vector<u8>& gl_buffer,
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Tegra::GPUVAddr addr) {
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constexpr u32 bytes_per_pixel = SurfaceParams::GetFormatBpp(format) / CHAR_BIT;
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constexpr u32 gl_bytes_per_pixel = CachedSurface::GetGLBytesPerPixel(format);
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const auto& gpu = Core::System::GetInstance().GPU();
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if (morton_to_gl) {
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std::vector<u8> data;
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if (SurfaceParams::GetFormatType(format) == SurfaceType::ColorTexture) {
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auto data = Tegra::Texture::UnswizzleTexture(
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data = Tegra::Texture::UnswizzleTexture(
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*gpu.memory_manager->GpuToCpuAddress(addr),
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SurfaceParams::TextureFormatFromPixelFormat(format), stride, height, block_height);
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std::memcpy(gl_buffer, data.data(), data.size());
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} else {
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auto data = Tegra::Texture::UnswizzleDepthTexture(
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data = Tegra::Texture::UnswizzleDepthTexture(
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*gpu.memory_manager->GpuToCpuAddress(addr),
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SurfaceParams::DepthFormatFromPixelFormat(format), stride, height, block_height);
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std::memcpy(gl_buffer, data.data(), data.size());
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}
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const size_t size_to_copy{std::min(gl_buffer.size(), data.size())};
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gl_buffer.assign(data.begin(), data.begin() + size_to_copy);
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} else {
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// TODO(bunnei): Assumes the default rendering GOB size of 16 (128 lines). We should
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// check the configuration for this and perform more generic un/swizzle
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LOG_WARNING(Render_OpenGL, "need to use correct swizzle/GOB parameters!");
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VideoCore::MortonCopyPixels128(
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stride, height, bytes_per_pixel, gl_bytes_per_pixel,
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Memory::GetPointer(*gpu.memory_manager->GpuToCpuAddress(addr)), gl_buffer,
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Memory::GetPointer(*gpu.memory_manager->GpuToCpuAddress(addr)), gl_buffer.data(),
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morton_to_gl);
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}
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}
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static constexpr std::array<void (*)(u32, u32, u32, u8*, Tegra::GPUVAddr),
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static constexpr std::array<void (*)(u32, u32, u32, std::vector<u8>&, Tegra::GPUVAddr),
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SurfaceParams::MaxPixelFormat>
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morton_to_gl_fns = {
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MortonCopy<true, PixelFormat::ABGR8>, MortonCopy<true, PixelFormat::B5G6R5>,
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@ -235,7 +237,7 @@ static constexpr std::array<void (*)(u32, u32, u32, u8*, Tegra::GPUVAddr),
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MortonCopy<true, PixelFormat::Z32FS8>,
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};
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static constexpr std::array<void (*)(u32, u32, u32, u8*, Tegra::GPUVAddr),
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static constexpr std::array<void (*)(u32, u32, u32, std::vector<u8>&, Tegra::GPUVAddr),
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SurfaceParams::MaxPixelFormat>
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gl_to_morton_fns = {
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MortonCopy<false, PixelFormat::ABGR8>,
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@ -467,7 +469,7 @@ void CachedSurface::LoadGLBuffer() {
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gl_buffer.resize(copy_size);
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morton_to_gl_fns[static_cast<size_t>(params.pixel_format)](
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params.width, params.block_height, params.height, gl_buffer.data(), params.addr);
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params.width, params.block_height, params.height, gl_buffer, params.addr);
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} else {
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const u8* const texture_src_data_end = texture_src_data + copy_size;
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@ -494,7 +496,7 @@ void CachedSurface::FlushGLBuffer() {
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std::memcpy(dst_buffer, gl_buffer.data(), params.size_in_bytes);
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} else {
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gl_to_morton_fns[static_cast<size_t>(params.pixel_format)](
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params.width, params.block_height, params.height, gl_buffer.data(), params.addr);
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params.width, params.block_height, params.height, gl_buffer, params.addr);
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}
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}
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