91 lines
3.2 KiB
C
91 lines
3.2 KiB
C
#ifndef RENDERBACKEND_C_H
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#define RENDERBACKEND_C_H
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#include <stdbool.h>
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#include <stdint.h>
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#ifdef _WIN32
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#define OAK_RENDER_BACKEND_EXPORT extern "C" __declspec(dllexport)
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#else
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#define OAK_RENDER_BACKEND_EXPORT extern "C" __attribute__((visibility("default")))
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#endif
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#ifdef __cplusplus
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extern "C" {
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#endif
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typedef void *OakRenderBackendHandle;
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enum OakRenderBackendKind {
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OAK_RENDER_BACKEND_UNKNOWN = 0,
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OAK_RENDER_BACKEND_OPENGL = 1,
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OAK_RENDER_BACKEND_VULKAN = 2
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};
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enum OakRenderBackendCapability {
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OAK_RENDER_BACKEND_CAP_TEXTURES = 1ULL << 0,
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OAK_RENDER_BACKEND_CAP_SHADERS = 1ULL << 1,
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OAK_RENDER_BACKEND_CAP_BLIT = 1ULL << 2,
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OAK_RENDER_BACKEND_CAP_READBACK = 1ULL << 3,
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OAK_RENDER_BACKEND_CAP_VIEWER_CONTEXT = 1ULL << 4
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};
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struct OakRenderBackendInfo {
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uint32_t abi_version;
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uint32_t kind;
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uint64_t capabilities;
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const char *name;
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const char *status;
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};
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typedef OakRenderBackendHandle (*OakBackendCreateFn)(void *parent);
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typedef void (*OakBackendDestroyFn)(OakRenderBackendHandle handle);
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typedef bool (*OakBackendGetInfoFn)(OakRenderBackendHandle handle,
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struct OakRenderBackendInfo *out_info);
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typedef bool (*OakBackendIsAvailableFn)(OakRenderBackendHandle handle);
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typedef bool (*OakBackendInitFn)(OakRenderBackendHandle handle);
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typedef void (*OakBackendInitWithContextFn)(OakRenderBackendHandle handle,
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void *context);
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typedef void (*OakBackendPostInitFn)(OakRenderBackendHandle handle);
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typedef void (*OakBackendPostDestroyFn)(OakRenderBackendHandle handle);
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typedef void (*OakBackendDestroyInternalFn)(OakRenderBackendHandle handle);
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typedef void (*OakBackendClearDestinationFn)(OakRenderBackendHandle handle,
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void *texture, double r, double g,
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double b, double a);
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typedef void (*OakBackendCreateNativeTextureFn)(OakRenderBackendHandle handle,
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int width, int height, int depth,
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int format, int channel_count,
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const void *data, int linesize,
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void *out_variant);
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typedef void (*OakBackendDestroyNativeTextureFn)(OakRenderBackendHandle handle,
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const void *variant);
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typedef void (*OakBackendCreateNativeShaderFn)(OakRenderBackendHandle handle,
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const void *shader_code,
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void *out_variant);
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typedef void (*OakBackendDestroyNativeShaderFn)(OakRenderBackendHandle handle,
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const void *variant);
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typedef void (*OakBackendUploadToTextureFn)(OakRenderBackendHandle handle,
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const void *variant,
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const void *video_params,
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const void *data, int linesize);
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typedef void (*OakBackendDownloadFromTextureFn)(OakRenderBackendHandle handle,
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const void *variant,
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const void *video_params,
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void *data, int linesize);
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typedef void (*OakBackendFlushFn)(OakRenderBackendHandle handle);
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typedef void (*OakBackendGetPixelFromTextureFn)(OakRenderBackendHandle handle,
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void *texture, const void *point,
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void *out_color);
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typedef void (*OakBackendBlitFn)(OakRenderBackendHandle handle,
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const void *shader, void *job,
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void *destination,
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const void *destination_params,
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bool clear_destination);
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typedef void *(*OakBackendOpenGLContextFn)(OakRenderBackendHandle handle);
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#ifdef __cplusplus
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}
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#endif
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#endif // RENDERBACKEND_C_H
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