forked from LeenkxTeam/LNXSDK
87 lines
2.4 KiB
C
87 lines
2.4 KiB
C
#pragma once
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#include <kinc/global.h>
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#include <kinc/color.h>
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#include <assert.h>
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/*! \file graphics.h
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\brief Supports a very basic pixel-setting API.
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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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/// <summary>
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/// Initializes the G1-API.
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/// </summary>
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/// <param name="width">The width to be used by the G1-API - typically the window-width</param>
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/// <param name="height">The height to be used by the G1-API - typically the window-height</param>
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KINC_FUNC void kinc_g1_init(int width, int height);
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/// <summary>
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/// Typically called once per frame before other G1-functions are called.
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/// </summary>
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KINC_FUNC void kinc_g1_begin(void);
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/// <summary>
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/// Typically called once per frame after all G1-drawing is finished. This also swaps the framebuffers
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/// so an equivalent call to kinc_g4_swap_buffers is not needed.
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/// </summary>
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KINC_FUNC void kinc_g1_end(void);
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extern uint32_t *kinc_internal_g1_image;
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extern int kinc_internal_g1_w, kinc_internal_g1_h, kinc_internal_g1_tex_width;
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#if defined(KINC_DYNAMIC_COMPILE) || defined(KINC_DYNAMIC) || defined(KINC_DOCS)
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/// <summary>
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/// Sets a single pixel to a color.
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/// </summary>
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/// <param name="x">The x-component of the pixel-coordinate to set</param>
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/// <param name="y">The y-component of the pixel-coordinate to set</param>
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/// <param name="red">The red-component between 0 and 1</param>
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/// <param name="green">The green-component between 0 and 1</param>
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/// <param name="blue">The blue-component between 0 and 1</param>
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KINC_FUNC void kinc_g1_set_pixel(int x, int y, float red, float green, float blue);
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/// <summary>
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/// Returns the width used by G1.
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/// </summary>
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/// <returns>The width</returns>
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KINC_FUNC int kinc_g1_width(void);
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/// <summary>
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/// Returns the height used by G1.
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/// </summary>
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/// <returns>The height</returns>
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KINC_FUNC int kinc_g1_height(void);
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#else
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// implementation moved to the header to allow easy inlining
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static inline void kinc_g1_set_pixel(int x, int y, float red, float green, float blue) {
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assert(x >= 0 && x < kinc_internal_g1_w && y >= 0 && y < kinc_internal_g1_h);
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int r = (int)(red * 255);
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int g = (int)(green * 255);
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int b = (int)(blue * 255);
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kinc_internal_g1_image[y * kinc_internal_g1_tex_width + x] = 0xff << 24 | b << 16 | g << 8 | r;
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}
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static inline int kinc_g1_width(void) {
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return kinc_internal_g1_w;
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}
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static inline int kinc_g1_height(void) {
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return kinc_internal_g1_h;
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}
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#endif
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#ifdef __cplusplus
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}
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#endif
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