Update Files

Kha/Kinc/Sources/kinc/graphics4/pipeline.h

@@ -0,0 +1,161 @@
+#pragma once
+
+#include <kinc/global.h>
+
+#include <kinc/graphics4/constantlocation.h>
+#include <kinc/graphics4/rendertarget.h>
+#include <kinc/graphics4/textureunit.h>
+
+#include <kinc/backend/graphics4/pipeline.h>
+
+/*! \file pipeline.h
+    \brief Provides functions for creating and using pipelines which configure the GPU for rendering.
+*/
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+struct kinc_g4_vertex_structure;
+struct kinc_g4_shader;
+
+typedef enum {
+	KINC_G4_BLEND_ONE,
+	KINC_G4_BLEND_ZERO,
+	KINC_G4_BLEND_SOURCE_ALPHA,
+	KINC_G4_BLEND_DEST_ALPHA,
+	KINC_G4_BLEND_INV_SOURCE_ALPHA,
+	KINC_G4_BLEND_INV_DEST_ALPHA,
+	KINC_G4_BLEND_SOURCE_COLOR,
+	KINC_G4_BLEND_DEST_COLOR,
+	KINC_G4_BLEND_INV_SOURCE_COLOR,
+	KINC_G4_BLEND_INV_DEST_COLOR,
+	KINC_G4_BLEND_CONSTANT,
+	KINC_G4_BLEND_INV_CONSTANT
+} kinc_g4_blending_factor_t;
+
+typedef enum {
+	KINC_G4_BLENDOP_ADD,
+	KINC_G4_BLENDOP_SUBTRACT,
+	KINC_G4_BLENDOP_REVERSE_SUBTRACT,
+	KINC_G4_BLENDOP_MIN,
+	KINC_G4_BLENDOP_MAX
+} kinc_g4_blending_operation_t;
+
+typedef enum {
+	KINC_G4_COMPARE_ALWAYS,
+	KINC_G4_COMPARE_NEVER,
+	KINC_G4_COMPARE_EQUAL,
+	KINC_G4_COMPARE_NOT_EQUAL,
+	KINC_G4_COMPARE_LESS,
+	KINC_G4_COMPARE_LESS_EQUAL,
+	KINC_G4_COMPARE_GREATER,
+	KINC_G4_COMPARE_GREATER_EQUAL
+} kinc_g4_compare_mode_t;
+
+typedef enum { KINC_G4_CULL_CLOCKWISE, KINC_G4_CULL_COUNTER_CLOCKWISE, KINC_G4_CULL_NOTHING } kinc_g4_cull_mode_t;
+
+typedef enum {
+	KINC_G4_STENCIL_KEEP,
+	KINC_G4_STENCIL_ZERO,
+	KINC_G4_STENCIL_REPLACE,
+	KINC_G4_STENCIL_INCREMENT,
+	KINC_G4_STENCIL_INCREMENT_WRAP,
+	KINC_G4_STENCIL_DECREMENT,
+	KINC_G4_STENCIL_DECREMENT_WRAP,
+	KINC_G4_STENCIL_INVERT
+} kinc_g4_stencil_action_t;
+
+typedef struct kinc_g4_pipeline {
+	struct kinc_g4_vertex_structure *input_layout[16];
+	struct kinc_g4_shader *vertex_shader;
+	struct kinc_g4_shader *fragment_shader;
+	struct kinc_g4_shader *geometry_shader;
+	struct kinc_g4_shader *tessellation_control_shader;
+	struct kinc_g4_shader *tessellation_evaluation_shader;
+
+	kinc_g4_cull_mode_t cull_mode;
+
+	bool depth_write;
+	kinc_g4_compare_mode_t depth_mode;
+
+	kinc_g4_compare_mode_t stencil_front_mode;
+	kinc_g4_stencil_action_t stencil_front_both_pass;
+	kinc_g4_stencil_action_t stencil_front_depth_fail;
+	kinc_g4_stencil_action_t stencil_front_fail;
+
+	kinc_g4_compare_mode_t stencil_back_mode;
+	kinc_g4_stencil_action_t stencil_back_both_pass;
+	kinc_g4_stencil_action_t stencil_back_depth_fail;
+	kinc_g4_stencil_action_t stencil_back_fail;
+
+	int stencil_reference_value;
+	int stencil_read_mask;
+	int stencil_write_mask;
+
+	// One, Zero deactivates blending
+	kinc_g4_blending_factor_t blend_source;
+	kinc_g4_blending_factor_t blend_destination;
+	kinc_g4_blending_operation_t blend_operation;
+	kinc_g4_blending_factor_t alpha_blend_source;
+	kinc_g4_blending_factor_t alpha_blend_destination;
+	kinc_g4_blending_operation_t alpha_blend_operation;
+
+	bool color_write_mask_red[8]; // Per render target
+	bool color_write_mask_green[8];
+	bool color_write_mask_blue[8];
+	bool color_write_mask_alpha[8];
+
+	int color_attachment_count;
+	kinc_g4_render_target_format_t color_attachment[8];
+
+	int depth_attachment_bits;
+	int stencil_attachment_bits;
+
+	bool conservative_rasterization;
+
+	kinc_g4_pipeline_impl_t impl;
+} kinc_g4_pipeline_t;
+
+/// <summary>
+/// Initializes a pipeline.
+/// </summary>
+/// <param name="state">The pipeline to initialize</param>
+KINC_FUNC void kinc_g4_pipeline_init(kinc_g4_pipeline_t *pipeline);
+
+/// <summary>
+/// Destroys a pipeline.
+/// </summary>
+/// <param name="pipeline">The pipeline to destroy</param>
+KINC_FUNC void kinc_g4_pipeline_destroy(kinc_g4_pipeline_t *pipeline);
+
+/// <summary>
+/// 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.
+/// </summary>
+/// <param name="pipeline">The pipeline to compile</param>
+KINC_FUNC void kinc_g4_pipeline_compile(kinc_g4_pipeline_t *pipeline);
+
+#ifndef KINC_KONG
+/// <summary>
+/// Searches for a constant/uniform and returns a constant-location which can be used to change the constant/uniform.
+/// </summary>
+/// <param name="pipeline">The pipeline to search in</param>
+/// <param name="name">The name of the constant/uniform to find</param>
+/// <returns>The constant-location of the constant/uniform</returns>
+KINC_FUNC kinc_g4_constant_location_t kinc_g4_pipeline_get_constant_location(kinc_g4_pipeline_t *pipeline, const char *name);
+
+/// <summary>
+/// Searches for a texture-declaration and returns a texture-unit which can be used to assign a texture.
+/// </summary>
+/// <param name="pipeline">The pipeline to search in</param>
+/// <param name="name">The name of the texture-declaration to search for</param>
+/// <returns>The texture-unit of the texture-declaration</returns>
+KINC_FUNC kinc_g4_texture_unit_t kinc_g4_pipeline_get_texture_unit(kinc_g4_pipeline_t *pipeline, const char *name);
+#endif
+
+void kinc_g4_internal_set_pipeline(kinc_g4_pipeline_t *pipeline);
+void kinc_g4_internal_pipeline_set_defaults(kinc_g4_pipeline_t *pipeline);
+
+#ifdef __cplusplus
+}
+#endif