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gl_rasterizer_cache: Check that backing memory is valid before creating a surface.

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- Fixes a crash in Puyo Puyo Tetris.
This commit is contained in:
bunnei 2019-03-08 21:10:12 -05:00
parent 22d3dfbcd4
commit 21eb4cfa7f
2 changed files with 12 additions and 15 deletions
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22
src/video_core/renderer_opengl/gl_rasterizer_cache.cpp
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@ -564,6 +564,12 @@ void RasterizerCacheOpenGL::CopySurface(const Surface& src_surface, const Surfac
CachedSurface::CachedSurface(const SurfaceParams& params)
: params{params}, gl_target{SurfaceTargetToGL(params.target)},
cached_size_in_bytes{params.size_in_bytes}, RasterizerCacheObject{params.host_ptr} {
const auto optional_cpu_addr{
Core::System::GetInstance().GPU().MemoryManager().GpuToCpuAddress(params.gpu_addr)};
ASSERT_MSG(optional_cpu_addr, "optional_cpu_addr is invalid");
cpu_addr = *optional_cpu_addr;
texture.Create(gl_target);
// TODO(Rodrigo): Using params.GetRect() returns a different size than using its Mip*(0)
@ -603,20 +609,6 @@ CachedSurface::CachedSurface(const SurfaceParams& params)
ApplyTextureDefaults(texture.handle, params.max_mip_level);
OpenGL::LabelGLObject(GL_TEXTURE, texture.handle, params.gpu_addr, params.IdentityString());
// Clamp size to mapped GPU memory region
// TODO(bunnei): Super Mario Odyssey maps a 0x40000 byte region and then uses it for a 0x80000
// R32F render buffer. We do not yet know if this is a game bug or something else, but this
// check is necessary to prevent flushing from overwriting unmapped memory.
auto& memory_manager{Core::System::GetInstance().GPU().MemoryManager()};
// const u64 max_size{memory_manager.GetRegionEnd(params.gpu_addr) - params.gpu_addr};
// if (cached_size_in_bytes > max_size) {
// LOG_ERROR(HW_GPU, "Surface size {} exceeds region size {}", params.size_in_bytes,
// max_size); cached_size_in_bytes = max_size;
//}
cpu_addr = *memory_manager.GpuToCpuAddress(params.gpu_addr);
}
MICROPROFILE_DEFINE(OpenGL_SurfaceLoad, "OpenGL", "Surface Load", MP_RGB(128, 192, 64));
@ -925,7 +917,7 @@ void RasterizerCacheOpenGL::LoadSurface(const Surface& surface) {
}
Surface RasterizerCacheOpenGL::GetSurface(const SurfaceParams& params, bool preserve_contents) {
if (params.gpu_addr == 0 || params.height * params.width == 0) {
if (!params.IsValid()) {
return {};
}

5
src/video_core/renderer_opengl/gl_rasterizer_cache.h
View file

@ -109,6 +109,11 @@ struct SurfaceParams {
return size;
}
/// Returns true if the parameters constitute a valid rasterizer surface.
bool IsValid() const {
return gpu_addr && host_ptr && height && width;
}
/// Returns the exact size of the memory occupied by a layer in a texture in VRAM, including
/// mipmaps.
std::size_t LayerMemorySize() const {