162 lines
4.9 KiB
C
162 lines
4.9 KiB
C
#pragma once
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#include <kinc/global.h>
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#include <kinc/graphics4/constantlocation.h>
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#include <kinc/graphics4/rendertarget.h>
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#include <kinc/graphics4/textureunit.h>
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#include <kinc/backend/graphics4/pipeline.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_g4_vertex_structure;
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struct kinc_g4_shader;
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typedef enum {
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KINC_G4_BLEND_ONE,
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KINC_G4_BLEND_ZERO,
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KINC_G4_BLEND_SOURCE_ALPHA,
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KINC_G4_BLEND_DEST_ALPHA,
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KINC_G4_BLEND_INV_SOURCE_ALPHA,
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KINC_G4_BLEND_INV_DEST_ALPHA,
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KINC_G4_BLEND_SOURCE_COLOR,
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KINC_G4_BLEND_DEST_COLOR,
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KINC_G4_BLEND_INV_SOURCE_COLOR,
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KINC_G4_BLEND_INV_DEST_COLOR,
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KINC_G4_BLEND_CONSTANT,
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KINC_G4_BLEND_INV_CONSTANT
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} kinc_g4_blending_factor_t;
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typedef enum {
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KINC_G4_BLENDOP_ADD,
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KINC_G4_BLENDOP_SUBTRACT,
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KINC_G4_BLENDOP_REVERSE_SUBTRACT,
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KINC_G4_BLENDOP_MIN,
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KINC_G4_BLENDOP_MAX
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} kinc_g4_blending_operation_t;
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typedef enum {
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KINC_G4_COMPARE_ALWAYS,
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KINC_G4_COMPARE_NEVER,
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KINC_G4_COMPARE_EQUAL,
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KINC_G4_COMPARE_NOT_EQUAL,
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KINC_G4_COMPARE_LESS,
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KINC_G4_COMPARE_LESS_EQUAL,
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KINC_G4_COMPARE_GREATER,
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KINC_G4_COMPARE_GREATER_EQUAL
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} kinc_g4_compare_mode_t;
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typedef enum { KINC_G4_CULL_CLOCKWISE, KINC_G4_CULL_COUNTER_CLOCKWISE, KINC_G4_CULL_NOTHING } kinc_g4_cull_mode_t;
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typedef enum {
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KINC_G4_STENCIL_KEEP,
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KINC_G4_STENCIL_ZERO,
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KINC_G4_STENCIL_REPLACE,
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KINC_G4_STENCIL_INCREMENT,
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KINC_G4_STENCIL_INCREMENT_WRAP,
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KINC_G4_STENCIL_DECREMENT,
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KINC_G4_STENCIL_DECREMENT_WRAP,
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KINC_G4_STENCIL_INVERT
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} kinc_g4_stencil_action_t;
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typedef struct kinc_g4_pipeline {
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struct kinc_g4_vertex_structure *input_layout[16];
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struct kinc_g4_shader *vertex_shader;
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struct kinc_g4_shader *fragment_shader;
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struct kinc_g4_shader *geometry_shader;
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struct kinc_g4_shader *tessellation_control_shader;
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struct kinc_g4_shader *tessellation_evaluation_shader;
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kinc_g4_cull_mode_t cull_mode;
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bool depth_write;
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kinc_g4_compare_mode_t depth_mode;
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kinc_g4_compare_mode_t stencil_front_mode;
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kinc_g4_stencil_action_t stencil_front_both_pass;
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kinc_g4_stencil_action_t stencil_front_depth_fail;
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kinc_g4_stencil_action_t stencil_front_fail;
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kinc_g4_compare_mode_t stencil_back_mode;
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kinc_g4_stencil_action_t stencil_back_both_pass;
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kinc_g4_stencil_action_t stencil_back_depth_fail;
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kinc_g4_stencil_action_t stencil_back_fail;
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int stencil_reference_value;
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int stencil_read_mask;
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int stencil_write_mask;
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// One, Zero deactivates blending
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kinc_g4_blending_factor_t blend_source;
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kinc_g4_blending_factor_t blend_destination;
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kinc_g4_blending_operation_t blend_operation;
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kinc_g4_blending_factor_t alpha_blend_source;
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kinc_g4_blending_factor_t alpha_blend_destination;
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kinc_g4_blending_operation_t alpha_blend_operation;
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bool color_write_mask_red[8]; // Per render target
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bool color_write_mask_green[8];
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bool color_write_mask_blue[8];
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bool color_write_mask_alpha[8];
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int color_attachment_count;
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kinc_g4_render_target_format_t color_attachment[8];
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int depth_attachment_bits;
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int stencil_attachment_bits;
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bool conservative_rasterization;
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kinc_g4_pipeline_impl_t impl;
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} kinc_g4_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_g4_pipeline_init(kinc_g4_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_g4_pipeline_destroy(kinc_g4_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_g4_pipeline_compile(kinc_g4_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_g4_constant_location_t kinc_g4_pipeline_get_constant_location(kinc_g4_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_g4_texture_unit_t kinc_g4_pipeline_get_texture_unit(kinc_g4_pipeline_t *pipeline, const char *name);
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#endif
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void kinc_g4_internal_set_pipeline(kinc_g4_pipeline_t *pipeline);
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void kinc_g4_internal_pipeline_set_defaults(kinc_g4_pipeline_t *pipeline);
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#ifdef __cplusplus
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}
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#endif
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