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TextureCache: refactor DMA downloads to allow multiple buffers.

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This commit is contained in:
Fernando Sahmkow 2023-03-12 21:43:31 +01:00
parent 9bf19b04f6
commit 3fbee093b2
8 changed files with 75 additions and 41 deletions
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2
src/video_core/renderer_opengl/gl_rasterizer.cpp
View file

@ -1299,7 +1299,7 @@ bool AccelerateDMA::DmaBufferImageCopy(const Tegra::DMA::ImageCopy& copy_info,
if constexpr (IS_IMAGE_UPLOAD) {
image->UploadMemory(buffer->Handle(), offset, copy_span);
} else {
image->DownloadMemory(buffer->Handle(), offset, copy_span);
texture_cache.DownloadImageIntoBuffer(image, buffer->Handle(), offset, copy_span);
}
return true;
}

41
src/video_core/renderer_opengl/gl_texture_cache.cpp
View file

@ -801,32 +801,34 @@ void Image::UploadMemory(const ImageBufferMap& map,
UploadMemory(map.buffer, map.offset, copies);
}
void Image::DownloadMemory(GLuint buffer_handle, size_t buffer_offset,
void Image::DownloadMemory(std::span<GLuint> buffer_handles, size_t buffer_offset,
std::span<const VideoCommon::BufferImageCopy> copies) {
const bool is_rescaled = True(flags & ImageFlagBits::Rescaled);
if (is_rescaled) {
ScaleDown();
}
glMemoryBarrier(GL_PIXEL_BUFFER_BARRIER_BIT); // TODO: Move this to its own API
glBindBuffer(GL_PIXEL_PACK_BUFFER, buffer_handle);
glPixelStorei(GL_PACK_ALIGNMENT, 1);
for (auto buffer_handle : buffer_handles) {
glBindBuffer(GL_PIXEL_PACK_BUFFER, buffer_handle);
glPixelStorei(GL_PACK_ALIGNMENT, 1);
u32 current_row_length = std::numeric_limits<u32>::max();
u32 current_image_height = std::numeric_limits<u32>::max();
u32 current_row_length = std::numeric_limits<u32>::max();
u32 current_image_height = std::numeric_limits<u32>::max();
for (const VideoCommon::BufferImageCopy& copy : copies) {
if (copy.image_subresource.base_level >= gl_num_levels) {
continue;
for (const VideoCommon::BufferImageCopy& copy : copies) {
if (copy.image_subresource.base_level >= gl_num_levels) {
continue;
}
if (current_row_length != copy.buffer_row_length) {
current_row_length = copy.buffer_row_length;
glPixelStorei(GL_PACK_ROW_LENGTH, current_row_length);
}
if (current_image_height != copy.buffer_image_height) {
current_image_height = copy.buffer_image_height;
glPixelStorei(GL_PACK_IMAGE_HEIGHT, current_image_height);
}
CopyImageToBuffer(copy, buffer_offset);
}
if (current_row_length != copy.buffer_row_length) {
current_row_length = copy.buffer_row_length;
glPixelStorei(GL_PACK_ROW_LENGTH, current_row_length);
}
if (current_image_height != copy.buffer_image_height) {
current_image_height = copy.buffer_image_height;
glPixelStorei(GL_PACK_IMAGE_HEIGHT, current_image_height);
}
CopyImageToBuffer(copy, buffer_offset);
}
if (is_rescaled) {
ScaleUp(true);
@ -835,7 +837,10 @@ void Image::DownloadMemory(GLuint buffer_handle, size_t buffer_offset,
void Image::DownloadMemory(ImageBufferMap& map,
std::span<const VideoCommon::BufferImageCopy> copies) {
DownloadMemory(map.buffer, map.offset, copies);
std::array buffers{
map.buffer,
};
DownloadMemory(buffers, map.offset, copies);
}
GLuint Image::StorageHandle() noexcept {

3
src/video_core/renderer_opengl/gl_texture_cache.h
View file

@ -212,7 +212,7 @@ public:
void UploadMemory(const ImageBufferMap& map,
std::span<const VideoCommon::BufferImageCopy> copies);
void DownloadMemory(GLuint buffer_handle, size_t buffer_offset,
void DownloadMemory(std::span<GLuint> buffer_handle, size_t buffer_offset,
std::span<const VideoCommon::BufferImageCopy> copies);
void DownloadMemory(ImageBufferMap& map, std::span<const VideoCommon::BufferImageCopy> copies);
@ -376,6 +376,7 @@ struct TextureCacheParams {
using Sampler = OpenGL::Sampler;
using Framebuffer = OpenGL::Framebuffer;
using AsyncBuffer = u32;
using BufferType = GLuint;
};
using TextureCache = VideoCommon::TextureCache<TextureCacheParams>;