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GPUDevice: Add support for feedback loops

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This commit is contained in:
Stenzek
2024-03-08 17:55:02 +10:00
parent cc5f9a12b1
commit 72ab669e70
23 changed files with 426 additions and 191 deletions
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37
src/util/gpu_device.h
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@ -133,6 +133,13 @@ public:
MaxCount
};
enum RenderPassFlag : u8
{
NoRenderPassFlags = 0,
ColorFeedbackLoop = (1 << 0),
SampleDepthBuffer = (1 << 1),
};
enum class Primitive : u8
{
Points,
@ -369,8 +376,9 @@ public:
GPUTexture::Format color_formats[4];
GPUTexture::Format depth_format;
u32 samples;
u8 samples;
bool per_sample_shading;
RenderPassFlag render_pass_flags;
void SetTargetFormats(GPUTexture::Format color_format,
GPUTexture::Format depth_format_ = GPUTexture::Format::Unknown);
@ -425,11 +433,19 @@ public:
enum FeatureMask : u32
{
FEATURE_MASK_DUAL_SOURCE_BLEND = (1 << 0),
FEATURE_MASK_FRAMEBUFFER_FETCH = (1 << 1),
FEATURE_MASK_TEXTURE_BUFFERS = (1 << 2),
FEATURE_MASK_GEOMETRY_SHADERS = (1 << 3),
FEATURE_MASK_TEXTURE_COPY_TO_SELF = (1 << 4),
FEATURE_MASK_MEMORY_IMPORT = (1 << 5),
FEATURE_MASK_FEEDBACK_LOOPS = (1 << 1),
FEATURE_MASK_FRAMEBUFFER_FETCH = (1 << 2),
FEATURE_MASK_TEXTURE_BUFFERS = (1 << 3),
FEATURE_MASK_GEOMETRY_SHADERS = (1 << 4),
FEATURE_MASK_TEXTURE_COPY_TO_SELF = (1 << 5),
FEATURE_MASK_MEMORY_IMPORT = (1 << 6),
};
enum class DrawBarrier : u32
{
None,
One,
Full
};
struct Features
@ -441,6 +457,7 @@ public:
bool texture_copy_to_self : 1;
bool supports_texture_buffers : 1;
bool texture_buffers_emulated_with_ssbo : 1;
bool feedback_loops : 1;
bool geometry_shaders : 1;
bool partial_msaa_resolve : 1;
bool memory_import : 1;
@ -454,6 +471,7 @@ public:
{
size_t buffer_streamed;
u32 num_draws;
u32 num_barriers;
u32 num_render_passes;
u32 num_copies;
u32 num_downloads;
@ -616,18 +634,21 @@ public:
void UploadUniformBuffer(const void* data, u32 data_size);
/// Drawing setup abstraction.
virtual void SetRenderTargets(GPUTexture* const* rts, u32 num_rts, GPUTexture* ds) = 0;
virtual void SetRenderTargets(GPUTexture* const* rts, u32 num_rts, GPUTexture* ds,
GPUPipeline::RenderPassFlag render_pass_flags = GPUPipeline::NoRenderPassFlags) = 0;
virtual void SetPipeline(GPUPipeline* pipeline) = 0;
virtual void SetTextureSampler(u32 slot, GPUTexture* texture, GPUSampler* sampler) = 0;
virtual void SetTextureBuffer(u32 slot, GPUTextureBuffer* buffer) = 0;
virtual void SetViewport(s32 x, s32 y, s32 width, s32 height) = 0; // TODO: Rectangle
virtual void SetScissor(s32 x, s32 y, s32 width, s32 height) = 0;
void SetRenderTarget(GPUTexture* rt, GPUTexture* ds = nullptr);
void SetRenderTarget(GPUTexture* rt, GPUTexture* ds = nullptr,
GPUPipeline::RenderPassFlag render_pass_flags = GPUPipeline::NoRenderPassFlags);
void SetViewportAndScissor(s32 x, s32 y, s32 width, s32 height);
// Drawing abstraction.
virtual void Draw(u32 vertex_count, u32 base_vertex) = 0;
virtual void DrawIndexed(u32 index_count, u32 base_index, u32 base_vertex) = 0;
virtual void DrawIndexedWithBarrier(u32 index_count, u32 base_index, u32 base_vertex, DrawBarrier type) = 0;
/// Returns false if the window was completely occluded.
virtual bool BeginPresent(bool skip_present) = 0;