157 lines
4.7 KiB
C
157 lines
4.7 KiB
C
#pragma once
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#include <kinc/global.h>
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#include <kinc/backend/graphics5/pipeline.h>
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#include <kinc/graphics5/vertexstructure.h>
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#include "constantlocation.h"
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#include "graphics.h"
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/*! \file pipeline.h
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\brief Provides functions for creating and using pipelines which configure the GPU for rendering.
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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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struct kinc_g5_shader;
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// identical to kinc_g4_blending_factor_t
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typedef enum {
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KINC_G5_BLEND_ONE,
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KINC_G5_BLEND_ZERO,
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KINC_G5_BLEND_SOURCE_ALPHA,
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KINC_G5_BLEND_DEST_ALPHA,
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KINC_G5_BLEND_INV_SOURCE_ALPHA,
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KINC_G5_BLEND_INV_DEST_ALPHA,
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KINC_G5_BLEND_SOURCE_COLOR,
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KINC_G5_BLEND_DEST_COLOR,
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KINC_G5_BLEND_INV_SOURCE_COLOR,
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KINC_G5_BLEND_INV_DEST_COLOR,
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KINC_G5_BLEND_CONSTANT,
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KINC_G5_BLEND_INV_CONSTANT
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} kinc_g5_blending_factor_t;
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// identical to kinc_g4_blending_operation_t
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typedef enum {
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KINC_G5_BLENDOP_ADD,
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KINC_G5_BLENDOP_SUBTRACT,
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KINC_G5_BLENDOP_REVERSE_SUBTRACT,
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KINC_G5_BLENDOP_MIN,
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KINC_G5_BLENDOP_MAX
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} kinc_g5_blending_operation_t;
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typedef enum kinc_g5_cull_mode { KINC_G5_CULL_MODE_CLOCKWISE, KINC_G5_CULL_MODE_COUNTERCLOCKWISE, KINC_G5_CULL_MODE_NEVER } kinc_g5_cull_mode_t;
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typedef enum kinc_g5_compare_mode {
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KINC_G5_COMPARE_MODE_ALWAYS,
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KINC_G5_COMPARE_MODE_NEVER,
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KINC_G5_COMPARE_MODE_EQUAL,
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KINC_G5_COMPARE_MODE_NOT_EQUAL,
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KINC_G5_COMPARE_MODE_LESS,
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KINC_G5_COMPARE_MODE_LESS_EQUAL,
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KINC_G5_COMPARE_MODE_GREATER,
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KINC_G5_COMPARE_MODE_GREATER_EQUAL
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} kinc_g5_compare_mode_t;
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typedef enum kinc_g5_stencil_action {
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KINC_G5_STENCIL_ACTION_KEEP,
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KINC_G5_STENCIL_ACTION_ZERO,
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KINC_G5_STENCIL_ACTION_REPLACE,
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KINC_G5_STENCIL_ACTION_INCREMENT,
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KINC_G5_STENCIL_ACTION_INCREMENT_WRAP,
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KINC_G5_STENCIL_ACTION_DECREMENT,
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KINC_G5_STENCIL_ACTION_DECREMENT_WRAP,
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KINC_G5_STENCIL_ACTION_INVERT
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} kinc_g5_stencil_action_t;
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typedef struct kinc_g5_pipeline {
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kinc_g5_vertex_structure_t *inputLayout[16];
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struct kinc_g5_shader *vertexShader;
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struct kinc_g5_shader *fragmentShader;
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struct kinc_g5_shader *geometryShader;
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struct kinc_g5_shader *tessellationControlShader;
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struct kinc_g5_shader *tessellationEvaluationShader;
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kinc_g5_cull_mode_t cullMode;
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bool depthWrite;
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kinc_g5_compare_mode_t depthMode;
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kinc_g5_compare_mode_t stencilMode;
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kinc_g5_stencil_action_t stencilBothPass;
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kinc_g5_stencil_action_t stencilDepthFail;
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kinc_g5_stencil_action_t stencilFail;
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int stencilReferenceValue;
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int stencilReadMask;
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int stencilWriteMask;
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// One, Zero deactivates blending
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kinc_g5_blending_factor_t blend_source;
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kinc_g5_blending_factor_t blend_destination;
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kinc_g5_blending_operation_t blend_operation;
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kinc_g5_blending_factor_t alpha_blend_source;
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kinc_g5_blending_factor_t alpha_blend_destination;
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kinc_g5_blending_operation_t alpha_blend_operation;
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bool colorWriteMaskRed[8]; // Per render target
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bool colorWriteMaskGreen[8];
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bool colorWriteMaskBlue[8];
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bool colorWriteMaskAlpha[8];
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int colorAttachmentCount;
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kinc_g5_render_target_format_t colorAttachment[8];
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int depthAttachmentBits;
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int stencilAttachmentBits;
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bool conservativeRasterization;
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PipelineState5Impl impl;
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} kinc_g5_pipeline_t;
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/// <summary>
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/// Initializes a pipeline.
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/// </summary>
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/// <param name="state">The pipeline to initialize</param>
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KINC_FUNC void kinc_g5_pipeline_init(kinc_g5_pipeline_t *pipeline);
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void kinc_g5_internal_pipeline_init(kinc_g5_pipeline_t *pipeline);
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/// <summary>
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/// Destroys a pipeline.
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/// </summary>
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/// <param name="pipeline">The pipeline to destroy</param>
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KINC_FUNC void kinc_g5_pipeline_destroy(kinc_g5_pipeline_t *pipeline);
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/// <summary>
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/// Compiles a pipeline. After a pipeline has been compiled it is finalized. It cannot be compiled again and further changes to the pipeline are ignored.
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/// </summary>
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/// <param name="pipeline">The pipeline to compile</param>
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KINC_FUNC void kinc_g5_pipeline_compile(kinc_g5_pipeline_t *pipeline);
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#ifndef KINC_KONG
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/// <summary>
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/// Searches for a constant/uniform and returns a constant-location which can be used to change the constant/uniform.
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/// </summary>
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/// <param name="pipeline">The pipeline to search in</param>
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/// <param name="name">The name of the constant/uniform to find</param>
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/// <returns>The constant-location of the constant/uniform</returns>
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KINC_FUNC kinc_g5_constant_location_t kinc_g5_pipeline_get_constant_location(kinc_g5_pipeline_t *pipeline, const char *name);
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/// <summary>
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/// Searches for a texture-declaration and returns a texture-unit which can be used to assign a texture.
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/// </summary>
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/// <param name="pipeline">The pipeline to search in</param>
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/// <param name="name">The name of the texture-declaration to search for</param>
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/// <returns>The texture-unit of the texture-declaration</returns>
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KINC_FUNC kinc_g5_texture_unit_t kinc_g5_pipeline_get_texture_unit(kinc_g5_pipeline_t *pipeline, const char *name);
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#endif
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#ifdef __cplusplus
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}
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#endif
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