135 lines
5.5 KiB
C
135 lines
5.5 KiB
C
#pragma once
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#include <kinc/global.h>
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#include "textureunit.h"
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#include <kinc/backend/graphics5/rendertarget.h>
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/*! \file rendertarget.h
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\brief Provides functions for handling render-targets.
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*/
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#ifdef __cplusplus
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extern "C" {
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#endif
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typedef enum kinc_g5_render_target_format {
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KINC_G5_RENDER_TARGET_FORMAT_32BIT,
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KINC_G5_RENDER_TARGET_FORMAT_64BIT_FLOAT,
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KINC_G5_RENDER_TARGET_FORMAT_32BIT_RED_FLOAT,
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KINC_G5_RENDER_TARGET_FORMAT_128BIT_FLOAT,
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KINC_G5_RENDER_TARGET_FORMAT_16BIT_DEPTH,
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KINC_G5_RENDER_TARGET_FORMAT_8BIT_RED,
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KINC_G5_RENDER_TARGET_FORMAT_16BIT_RED_FLOAT
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} kinc_g5_render_target_format_t;
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typedef struct kinc_g5_render_target {
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int width;
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int height;
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int texWidth;
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int texHeight;
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int framebuffer_index;
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bool isCubeMap;
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bool isDepthAttachment;
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RenderTarget5Impl impl;
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} kinc_g5_render_target_t;
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/// <summary>
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/// Allocates and initializes a regular render-target. The contents of the render-target are undefined.
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/// </summary>
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/// <param name="target"></param>
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/// <param name="width"></param>
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/// <param name="height"></param>
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/// <param name="format"></param>
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/// <param name="depthBufferBits"></param>
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/// <param name="stencilBufferBits"></param>
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/// <returns></returns>
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KINC_FUNC void kinc_g5_render_target_init(kinc_g5_render_target_t *target, int width, int height, kinc_g5_render_target_format_t format, int depthBufferBits,
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int stencilBufferBits);
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/// <summary>
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/// Allocates and initializes a regular render-target. Can fall back to a regular render-target. The contents of the render-target are undefined.
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/// </summary>
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/// <param name="target"></param>
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/// <param name="width"></param>
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/// <param name="height"></param>
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/// <param name="format"></param>
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/// <param name="depthBufferBits"></param>
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/// <param name="stencilBufferBits"></param>
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/// <param name="samples_per_pixel"></param>
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/// <returns></returns>
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KINC_FUNC void kinc_g5_render_target_init_with_multisampling(kinc_g5_render_target_t *target, int width, int height, kinc_g5_render_target_format_t format,
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int depthBufferBits, int stencilBufferBits, int samples_per_pixel);
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/// <summary>
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/// Allocates and initializes a framebuffer. The contents of the framebuffer are undefined.
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/// </summary>
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/// <param name="target"></param>
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/// <param name="width"></param>
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/// <param name="height"></param>
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/// <param name="format"></param>
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/// <param name="depthBufferBits"></param>
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/// <param name="stencilBufferBits"></param>
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/// <returns></returns>
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KINC_FUNC void kinc_g5_render_target_init_framebuffer(kinc_g5_render_target_t *target, int width, int height, kinc_g5_render_target_format_t format,
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int depthBufferBits, int stencilBufferBits);
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/// <summary>
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/// Allocates and initializes a multisampled framebuffer. Can fall back to a regular framebuffer. The contents of the framebuffer are undefined.
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/// </summary>
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/// <param name="target"></param>
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/// <param name="width"></param>
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/// <param name="height"></param>
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/// <param name="format"></param>
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/// <param name="depthBufferBits"></param>
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/// <param name="stencilBufferBits"></param>
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/// <param name="samples_per_pixel"></param>
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/// <returns></returns>
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KINC_FUNC void kinc_g5_render_target_init_framebuffer_with_multisampling(kinc_g5_render_target_t *target, int width, int height,
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kinc_g5_render_target_format_t format, int depthBufferBits, int stencilBufferBits,
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int samples_per_pixel);
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/// <summary>
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/// Allocates and initializes a render-target-cube-map. The contents of the render-target are undefined.
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/// </summary>
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/// <param name="target"></param>
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/// <param name="cubeMapSize"></param>
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/// <param name="format"></param>
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/// <param name="depthBufferBits"></param>
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/// <param name="stencilBufferBits"></param>
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/// <returns></returns>
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KINC_FUNC void kinc_g5_render_target_init_cube(kinc_g5_render_target_t *target, int cubeMapSize, kinc_g5_render_target_format_t format, int depthBufferBits,
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int stencilBufferBits);
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/// <summary>
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/// Allocates and initializes a multisampled render-target-cube-map. Can fall back to a regular cube-map. The contents of the render-target are undefined.
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/// </summary>
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/// <param name="target"></param>
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/// <param name="cubeMapSize"></param>
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/// <param name="format"></param>
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/// <param name="depthBufferBits"></param>
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/// <param name="stencilBufferBits"></param>
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/// <param name="samples_per_pixel"></param>
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/// <returns></returns>
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KINC_FUNC void kinc_g5_render_target_init_cube_with_multisampling(kinc_g5_render_target_t *target, int cubeMapSize, kinc_g5_render_target_format_t format,
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int depthBufferBits, int stencilBufferBits, int samples_per_pixel);
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/// <summary>
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/// Deallocates and destroys a render-target.
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/// </summary>
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/// <param name="renderTarget">The render-target to destroy</param>
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KINC_FUNC void kinc_g5_render_target_destroy(kinc_g5_render_target_t *target);
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/// <summary>
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/// Copies the depth and stencil-components of one render-target into another one.
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/// </summary>
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/// <param name="renderTarget">The render-target to copy the data into</param>
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/// <param name="source">The render-target from which to copy the data</param>
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/// <returns></returns>
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KINC_FUNC void kinc_g5_render_target_set_depth_stencil_from(kinc_g5_render_target_t *target, kinc_g5_render_target_t *source);
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#ifdef __cplusplus
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}
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#endif
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