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/* SPDX-License-Identifier: GPL-2.0-or-later */
/** \file
* \ingroup gpu
*/
#pragma once
#include "BLI_vector.hh"
#include "gpu_backend.hh"
#include "mtl_capabilities.hh"
namespace blender::gpu {
class Batch;
class DrawList;
class FrameBuffer;
class IndexBuf;
class QueryPool;
class Shader;
class UniformBuf;
class VertBuf;
class MTLContext;
class MTLBackend : public GPUBackend {
friend class MTLContext;
public:
/* Capabilities. */
static MTLCapabilities capabilities;
static MTLCapabilities &get_capabilities()
{
return MTLBackend::capabilities;
}
~MTLBackend()
{
MTLBackend::platform_exit();
}
void delete_resources()
{
/* Delete any resources with context active. */
}
static bool metal_is_supported();
static MTLBackend *get()
{
return static_cast<MTLBackend *>(GPUBackend::get());
}
void samplers_update() override;
void compute_dispatch(int groups_x_len, int groups_y_len, int groups_z_len) override
{
/* Placeholder */
}
void compute_dispatch_indirect(StorageBuf *indirect_buf) override
{
/* Placeholder */
}
/* MTL Allocators need to be implemented in separate .mm files, due to allocation of Objective-C
* objects. */
Context *context_alloc(void *ghost_window) override;
Batch *batch_alloc() override;
DrawList *drawlist_alloc(int list_length) override;
FrameBuffer *framebuffer_alloc(const char *name) override;
IndexBuf *indexbuf_alloc() override;
QueryPool *querypool_alloc() override;
Shader *shader_alloc(const char *name) override;
Texture *texture_alloc(const char *name) override;
UniformBuf *uniformbuf_alloc(int size, const char *name) override;
StorageBuf *storagebuf_alloc(int size, GPUUsageType usage, const char *name) override;
VertBuf *vertbuf_alloc() override;
/* Render Frame Coordination. */
void render_begin() override;
void render_end() override;
void render_step() override;
bool is_inside_render_boundary();
private:
static void platform_init(MTLContext *ctx);
static void platform_exit();
static void capabilities_init(MTLContext *ctx);
};
} // namespace blender::gpu
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