Differential D15563 Diff 55217 source/blender/gpu/metal/mtl_context.hh

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source/blender/gpu/metal/mtl_context.hh

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#include "GPU_common_types.h"		#include "GPU_common_types.h"
#include "GPU_context.h"		#include "GPU_context.h"

#include "mtl_backend.hh"		#include "mtl_backend.hh"
#include "mtl_capabilities.hh"		#include "mtl_capabilities.hh"
#include "mtl_common.hh"		#include "mtl_common.hh"
#include "mtl_framebuffer.hh"		#include "mtl_framebuffer.hh"
#include "mtl_memory.hh"		#include "mtl_memory.hh"
		#include "mtl_shader.hh"
		#include "mtl_shader_interface.hh"
#include "mtl_texture.hh"		#include "mtl_texture.hh"

#include <Cocoa/Cocoa.h>		#include <Cocoa/Cocoa.h>
#include <Metal/Metal.h>		#include <Metal/Metal.h>
#include <QuartzCore/QuartzCore.h>		#include <QuartzCore/QuartzCore.h>

@class CAMetalLayer;		@class CAMetalLayer;
@class MTLCommandQueue;		@class MTLCommandQueue;
@class MTLRenderPipelineState;		@class MTLRenderPipelineState;

namespace blender::gpu {		namespace blender::gpu {

/* Forward Declarations */		/* Forward Declarations */
class MTLContext;		class MTLContext;
class MTLCommandBufferManager;		class MTLCommandBufferManager;
class MTLShader;
class MTLUniformBuf;		class MTLUniformBuf;

/* Structs containing information on current binding state for textures and samplers. */		/* Structs containing information on current binding state for textures and samplers. */
struct MTLTextureBinding {		struct MTLTextureBinding {
bool used;		bool used;

/* Same value as index in bindings array. */		/* Same value as index in bindings array. */
uint texture_slot_index;		uint slot_index;
gpu::MTLTexture *texture_resource;		gpu::MTLTexture *texture_resource;
};		};

struct MTLSamplerBinding {		struct MTLSamplerBinding {
bool used;		bool used;
MTLSamplerState state;		MTLSamplerState state;

bool operator==(MTLSamplerBinding const &other) const		bool operator==(MTLSamplerBinding const &other) const
{		{
return (used == other.used && state == other.state);		return (used == other.used && state == other.state);
}		}
};		};

/* Metal Context Render Pass State -- Used to track active RenderCommandEncoder state based on		/* Metal Context Render Pass State -- Used to track active RenderCommandEncoder state based on
* bound MTLFrameBuffer's.Owned by MTLContext. */		* bound MTLFrameBuffer's.Owned by MTLContext. */
struct MTLRenderPassState {		class MTLRenderPassState {
friend class MTLContext;		friend class MTLContext;

		public:
MTLRenderPassState(MTLContext &context, MTLCommandBufferManager &command_buffer_manager)		MTLRenderPassState(MTLContext &context, MTLCommandBufferManager &command_buffer_manager)
: ctx(context), cmd(command_buffer_manager){};		: ctx(context), cmd(command_buffer_manager){};

/* Given a RenderPassState is associated with a live RenderCommandEncoder,		/* Given a RenderPassState is associated with a live RenderCommandEncoder,
* this state sits within the MTLCommandBufferManager. */		* this state sits within the MTLCommandBufferManager. */
MTLContext &ctx;		MTLContext &ctx;
MTLCommandBufferManager &cmd;		MTLCommandBufferManager &cmd;

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/ MTLContext -- Core render loop and state management. /		/ MTLContext -- Core render loop and state management. /
/* NOTE(Metal): Partial MTLContext stub to provide wrapper functionality		/* NOTE(Metal): Partial MTLContext stub to provide wrapper functionality
* for work-in-progress MTL* classes. */		* for work-in-progress MTL* classes. */

class MTLContext : public Context {		class MTLContext : public Context {
friend class MTLBackend;		friend class MTLBackend;

private:		private:
		/* Null buffers for empty/unintialized bindings.
		* Null attribute buffer follows default attribute format of OpenGL Backend. */
		id<MTLBuffer> null_buffer_; /* All zero's. */
		fclemUnsubmitted Not Done Inline Actions Style: Use `//` even for end of line comments. fclem: Style: Use `//` even for end of line comments.
		id<MTLBuffer> null_attribute_buffer_; /* Value float4(0.0,0.0,0.0,1.0). */

/* Compute and specialization caches. */		/* Compute and specialization caches. */
MTLContextTextureUtils texture_utils_;		MTLContextTextureUtils texture_utils_;

/* Texture Samplers. */		/* Texture Samplers. */
/* Cache of generated MTLSamplerState objects based on permutations of `eGPUSamplerState`. */		/* Cache of generated MTLSamplerState objects based on permutations of `eGPUSamplerState`. */
id<MTLSamplerState> sampler_state_cache_[GPU_SAMPLER_MAX];		id<MTLSamplerState> sampler_state_cache_[GPU_SAMPLER_MAX];
id<MTLSamplerState> default_sampler_state_ = nil;		id<MTLSamplerState> default_sampler_state_ = nil;

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{		{
return this->memory_manager;		return this->memory_manager;
}		}

static MTLBufferPool &get_global_memory_manager()		static MTLBufferPool &get_global_memory_manager()
{		{
return MTLContext::global_memory_manager;		return MTLContext::global_memory_manager;
}		}
		/* Uniform Buffer Bindings to command encoders. */
		fclemUnsubmitted Not Done Inline Actions Is this comment refering to the `get_null_` functions (I doubt)? Feels like a left over comment from a deleted line. fclem:* Is this comment refering to the `get_null_*` functions (I doubt)? Feels like a left over…
		id<MTLBuffer> get_null_buffer();
		id<MTLBuffer> get_null_attribute_buffer();
};		};

} // namespace blender::gpu		} // namespace blender::gpu