forked from LeenkxTeam/LNXSDK
145 lines
5.9 KiB
C
145 lines
5.9 KiB
C
#pragma once
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#include <kinc/global.h>
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#include <kinc/backend/graphics4/rendertarget.h>
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#include "textureunit.h"
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#include <stdint.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_g4_render_target_format {
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KINC_G4_RENDER_TARGET_FORMAT_32BIT,
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KINC_G4_RENDER_TARGET_FORMAT_64BIT_FLOAT,
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KINC_G4_RENDER_TARGET_FORMAT_32BIT_RED_FLOAT,
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KINC_G4_RENDER_TARGET_FORMAT_128BIT_FLOAT,
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KINC_G4_RENDER_TARGET_FORMAT_16BIT_DEPTH,
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KINC_G4_RENDER_TARGET_FORMAT_8BIT_RED,
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KINC_G4_RENDER_TARGET_FORMAT_16BIT_RED_FLOAT
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} kinc_g4_render_target_format_t;
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typedef struct kinc_g4_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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bool isCubeMap;
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bool isDepthAttachment;
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kinc_g4_render_target_impl_t impl;
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} kinc_g4_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="renderTarget"></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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KINC_FUNC void kinc_g4_render_target_init(kinc_g4_render_target_t *renderTarget, int width, int height, kinc_g4_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 multi-sampled render-target if possible - otherwise it falls back to a regular render-target. The contents of the render-target
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/// are undefined.
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/// </summary>
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/// <param name="renderTarget"></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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KINC_FUNC void kinc_g4_render_target_init_with_multisampling(kinc_g4_render_target_t *renderTarget, int width, int height,
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kinc_g4_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="renderTarget"></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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KINC_FUNC void kinc_g4_render_target_init_cube(kinc_g4_render_target_t *renderTarget, int cubeMapSize, kinc_g4_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 multi-sampled render-target-cube-map. Can fall back to a non-multi-sampled cube-map. The contents of the render-target are
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/// undefined.
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/// </summary>
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/// <param name="renderTarget"></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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KINC_FUNC void kinc_g4_render_target_init_cube_with_multisampling(kinc_g4_render_target_t *renderTarget, int cubeMapSize, kinc_g4_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_g4_render_target_destroy(kinc_g4_render_target_t *renderTarget);
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#ifdef KINC_KONG
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/// <summary>
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/// Uses the color-component of a render-target as a texture.
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/// </summary>
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/// <param name="renderTarget">The render-target to use</param>
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/// <param name="unit">The texture-unit to assign the render-target to</param>
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KINC_FUNC void kinc_g4_render_target_use_color_as_texture(kinc_g4_render_target_t *renderTarget, uint32_t unit);
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#else
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/// <summary>
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/// Uses the color-component of a render-target as a texture.
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/// </summary>
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/// <param name="renderTarget">The render-target to use</param>
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/// <param name="unit">The texture-unit to assign the render-target to</param>
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KINC_FUNC void kinc_g4_render_target_use_color_as_texture(kinc_g4_render_target_t *renderTarget, kinc_g4_texture_unit_t unit);
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#endif
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/// <summary>
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/// Uses the depth-component of a render-target as a texture.
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/// </summary>
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/// <param name="renderTarget">The render-target to use</param>
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/// <param name="unit">The texture-unit to assign the render-target to</param>
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KINC_FUNC void kinc_g4_render_target_use_depth_as_texture(kinc_g4_render_target_t *renderTarget, kinc_g4_texture_unit_t unit);
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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_g4_render_target_set_depth_stencil_from(kinc_g4_render_target_t *renderTarget, kinc_g4_render_target_t *source);
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/// <summary>
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/// Copies out the color-data from a render-target. Beware, this is very slow.
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/// </summary>
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/// <param name="renderTarget">The render-target to copy the color-data from</param>
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/// <param name="data">A pointer to where the data will be copied to</param>
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KINC_FUNC void kinc_g4_render_target_get_pixels(kinc_g4_render_target_t *renderTarget, uint8_t *data);
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/// <summary>
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/// Generates the mipmap-chain for a render-target.
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/// </summary>
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/// <param name="renderTarget">The render-target to create the mipmaps for</param>
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/// <param name="levels">The number of mipmap-levels to generate</param>
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KINC_FUNC void kinc_g4_render_target_generate_mipmaps(kinc_g4_render_target_t *renderTarget, int levels);
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#ifdef __cplusplus
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}
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#endif
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