Differential D7831 Diff 25050 source/blender/gpu/GPU_texture.h

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source/blender/gpu/GPU_texture.h

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	struct ImageUser;			struct ImageUser;
	struct MovieClip;			struct MovieClip;
	struct MovieClipUser;			struct MovieClipUser;
	struct PreviewImage;			struct PreviewImage;

	struct GPUFrameBuffer;			struct GPUFrameBuffer;
	typedef struct GPUTexture GPUTexture;			typedef struct GPUTexture GPUTexture;

				/* GPU Samplers state
				* - Specify the sampler state to bind a texture with.
				* - Internally used by textures.
				* - All states are created at startup to avoid runtime costs.
				*/

				typedef enum eGPUSamplerState {
				GPU_SAMPLER_FILTER = (1 << 0),
				GPU_SAMPLER_MIPMAP = (1 << 1),
				GPU_SAMPLER_REPEAT_S = (1 << 2),
				GPU_SAMPLER_REPEAT_T = (1 << 3),
				GPU_SAMPLER_REPEAT_R = (1 << 4),
				GPU_SAMPLER_CLAMP_BORDER = (1 << 5), /* Clamp to border color instead of border texel. */
				GPU_SAMPLER_COMPARE = (1 << 6),
				GPU_SAMPLER_ANISO = (1 << 7),
				/* Don't use that. */
				GPU_SAMPLER_MAX = (1 << 8),
				} eGPUSamplerState;

				#define GPU_SAMPLER_DEFAULT GPU_SAMPLER_FILTER
				#define GPU_SAMPLER_REPEAT (GPU_SAMPLER_REPEAT_S \| GPU_SAMPLER_REPEAT_T \| GPU_SAMPLER_REPEAT_R)

				void GPU_samplers_init(void);
				void GPU_samplers_free(void);

	/* GPU Texture			/* GPU Texture
	* - always returns unsigned char RGBA textures			* - always returns unsigned char RGBA textures
	* - if texture with non square dimensions is created, depending on the			* - if texture with non square dimensions is created, depending on the
	* graphics card capabilities the texture may actually be stored in a			* graphics card capabilities the texture may actually be stored in a
	* larger texture with power of two dimensions.			* larger texture with power of two dimensions.
	* - can use reference counting:			* - can use reference counting:
	* - reference counter after GPU_texture_create is 1			* - reference counter after GPU_texture_create is 1
	* - GPU_texture_ref increases by one			* - GPU_texture_ref increases by one
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