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https://github.com/LadybirdBrowser/ladybird.git
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61bd1890d2
This is a very basic implementation of glGetfloatv. It will only give a result when used with GL_MODELVIEW_MATRIX. In the future we can update and extend it's functionality.
304 lines
8.8 KiB
C
304 lines
8.8 KiB
C
/*
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* Copyright (c) 2021, Jesse Buhagiar <jooster669@gmail.com>
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* Copyright (c) 2021, Stephan Unverwerth <s.unverwerth@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#ifdef __cplusplus
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extern "C" {
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#endif
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#ifndef GLAPI
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# define GLAPI extern
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#endif
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// OpenGL related `defines`
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#define GL_TRUE 1
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#define GL_FALSE 0
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// Matrix Modes
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#define GL_MODELVIEW 0x0050
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#define GL_PROJECTION 0x0051
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// glBegin/glEnd primitive types
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#define GL_TRIANGLES 0x0100
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#define GL_QUADS 0x0101
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#define GL_TRIANGLE_FAN 0x0102
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#define GL_TRIANGLE_STRIP 0x0103
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#define GL_POLYGON 0x0104
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// Depth buffer and alpha test compare functions
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#define GL_NEVER 0x0200
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#define GL_LESS 0x0201
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#define GL_EQUAL 0x0202
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#define GL_LEQUAL 0x0203
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#define GL_GREATER 0x0204
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#define GL_NOTEQUAL 0x0205
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#define GL_GEQUAL 0x0206
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#define GL_ALWAYS 0x0207
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// Buffer bits
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#define GL_COLOR_BUFFER_BIT 0x0200
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#define GL_DEPTH_BUFFER_BIT 0x0400
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// Enable capabilities
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#define GL_CULL_FACE 0x0B44
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#define GL_DEPTH_TEST 0x0B71
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// Alpha testing
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#define GL_ALPHA_TEST 0x0BC0
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#define GL_ALPHA_TEST_REF 0x0BC2
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#define GL_ALPHA_TEST_FUNC 0x0BC1
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// Alpha blending
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#define GL_BLEND 0x0BE2
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// Utility
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#define GL_VENDOR 0x1F00
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#define GL_RENDERER 0x1F01
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#define GL_VERSION 0x1F02
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// Blend factors
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#define GL_ZERO 0
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#define GL_ONE 1
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#define GL_SRC_COLOR 0x0300
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#define GL_ONE_MINUS_SRC_COLOR 0x0301
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#define GL_SRC_ALPHA 0x0302
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#define GL_ONE_MINUS_SRC_ALPHA 0x0303
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#define GL_DST_ALPHA 0x0304
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#define GL_ONE_MINUS_DST_ALPHA 0x0305
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#define GL_DST_COLOR 0x0306
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#define GL_ONE_MINUS_DST_COLOR 0x0307
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#define GL_SRC_ALPHA_SATURATE 0x0308
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// Sides
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#define GL_FRONT_LEFT 0x0400
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#define GL_FRONT_RIGHT 0x0401
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#define GL_BACK_LEFT 0x0402
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#define GL_BACK_RIGHT 0x0403
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#define GL_FRONT 0x0404
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#define GL_BACK 0x0405
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#define GL_LEFT 0x0406
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#define GL_RIGHT 0x0407
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#define GL_FRONT_AND_BACK 0x0408
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// Error codes
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#define GL_NO_ERROR 0
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#define GL_INVALID_ENUM 0x500
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#define GL_INVALID_VALUE 0x501
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#define GL_INVALID_OPERATION 0x502
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#define GL_STACK_OVERFLOW 0x0503
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#define GL_STACK_UNDERFLOW 0x0504
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#define GL_OUT_OF_MEMORY 0x505
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#define GL_INVALID_FRAMEBUFFER_OPERATION 0x506
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// Triangle winding order
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#define GL_CW 0x0900
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#define GL_CCW 0x0901
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// Hint enums
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#define GL_DONT_CARE 0x1100
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#define GL_FASTEST 0x1101
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#define GL_NICEST 0x1102
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#define GL_PERSPECTIVE_CORRECTION_HINT 0x0C50
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#define GL_POINT_SMOOTH_HINT 0x0C51
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#define GL_LINE_SMOOTH_HINT 0x0C52
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#define GL_POLYGON_SMOOTH_HINT 0x0C53
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#define GL_FOG_HINT 0x0C54
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#define GL_GENERATE_MIPMAP_HINT 0x8192
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#define GL_TEXTURE_COMPRESSION_HINT 0x84EF
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// Listing enums
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#define GL_COMPILE 0x1300
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#define GL_COMPILE_AND_EXECUTE 0x1301
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// Type enums
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#define GL_BYTE 0x1400
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#define GL_UNSIGNED_BYTE 0x1401
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#define GL_SHORT 0x1402
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#define GL_UNSIGNED_SHORT 0x1403
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#define GL_INT 0x1404
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#define GL_UNSIGNED_INT 0x1405
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#define GL_FLOAT 0x1406
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// Format enums
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#define GL_COLOR_INDEX 0x1900
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#define GL_LUMINANCE 0x1909
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#define GL_LUMINANCE_ALPHA 0x190A
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#define GL_BITMAP 0x1A00
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#define GL_STENCIL_INDEX 0x1901
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#define GL_DEPTH_COMPONENT 0x1902
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#define GL_RED 0x1903
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#define GL_GREEN 0x1904
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#define GL_BLUE 0x1905
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#define GL_ALPHA 0x1906
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#define GL_RGB 0x1907
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#define GL_RGBA 0x1908
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// Lighting related defines
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#define GL_FLAT 0x1D00
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#define GL_SMOOTH 0x1D01
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// More blend factors
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#define GL_CONSTANT_COLOR 0x8001
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#define GL_ONE_MINUS_CONSTANT_COLOR 0x8002
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#define GL_CONSTANT_ALPHA 0x8003
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#define GL_ONE_MINUS_CONSTANT_ALPHA 0x8004
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// Pixel formats
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#define GL_RGB 0x1907
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#define GL_RGBA 0x1908
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#define GL_BGR 0x190B
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#define GL_BGRA 0x190C
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// Source pixel data format
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#define GL_UNSIGNED_BYTE 0x1401
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// Texture targets
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#define GL_TEXTURE_2D 0x0DE1
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// Texture Unit indices
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#define GL_TEXTURE0 0x84C0
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#define GL_TEXTURE1 0x84C1
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#define GL_TEXTURE2 0x84C2
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#define GL_TEXTURE3 0x84C3
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#define GL_TEXTURE4 0x84C4
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#define GL_TEXTURE5 0x84C5
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#define GL_TEXTURE6 0x84C6
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#define GL_TEXTURE7 0x84C7
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#define GL_TEXTURE8 0x84C8
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#define GL_TEXTURE9 0x84C9
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#define GL_TEXTURE10 0x84CA
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#define GL_TEXTURE11 0x84CB
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#define GL_TEXTURE12 0x84CC
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#define GL_TEXTURE13 0x84CD
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#define GL_TEXTURE14 0x84CE
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#define GL_TEXTURE15 0x84CF
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#define GL_TEXTURE16 0x84D0
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#define GL_TEXTURE17 0x84D1
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#define GL_TEXTURE18 0x84D2
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#define GL_TEXTURE19 0x84D3
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#define GL_TEXTURE20 0x84D4
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#define GL_TEXTURE21 0x84D5
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#define GL_TEXTURE22 0x84D6
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#define GL_TEXTURE23 0x84D7
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#define GL_TEXTURE24 0x84D8
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#define GL_TEXTURE25 0x84D9
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#define GL_TEXTURE26 0x84DA
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#define GL_TEXTURE27 0x84DB
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#define GL_TEXTURE28 0x84DC
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#define GL_TEXTURE29 0x84DD
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#define GL_TEXTURE30 0x84DE
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#define GL_TEXTURE31 0x84DF
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// Texture Environment and Parameters
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#define GL_NEAREST 0x2600
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#define GL_LINEAR 0x2601
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#define GL_NEAREST_MIPMAP_LINEAR 0x2602
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#define GL_REPEAT 0x2603
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// OpenGL State & GLGet
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#define GL_MODELVIEW_MATRIX 0x0BA6
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//
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// OpenGL typedefs
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//
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// Defines types used by all OpenGL applications
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// https://www.khronos.org/opengl/wiki/OpenGL_Type
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typedef char GLchar;
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typedef unsigned char GLuchar;
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typedef unsigned char GLubyte;
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typedef short GLshort;
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typedef unsigned short GLushort;
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typedef int GLint;
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typedef unsigned int GLuint;
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typedef int GLfixed;
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typedef long long GLint64;
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typedef unsigned long long GLuint64;
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typedef int GLsizei;
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typedef void GLvoid;
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typedef float GLfloat;
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typedef float GLclampf;
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typedef double GLdouble;
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typedef unsigned int GLenum;
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typedef unsigned int GLbitfield;
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GLAPI void glBegin(GLenum mode);
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GLAPI void glClear(GLbitfield mask);
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GLAPI void glClearColor(GLclampf red, GLclampf green, GLclampf blue, GLclampf alpha);
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GLAPI void glClearDepth(GLdouble depth);
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GLAPI void glColor3f(GLfloat r, GLfloat g, GLfloat b);
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GLAPI void glColor4f(GLfloat r, GLfloat g, GLfloat b, GLfloat a);
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GLAPI void glColor4fv(const GLfloat* v);
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GLAPI void glColor4ub(GLubyte r, GLubyte g, GLubyte b, GLubyte a);
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GLAPI void glColor4ubv(const GLubyte* v);
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GLAPI void glDeleteTextures(GLsizei n, const GLuint* textures);
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GLAPI void glEnd();
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GLAPI void glFrustum(GLdouble left, GLdouble right, GLdouble bottom, GLdouble top, GLdouble nearVal, GLdouble farVal);
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GLAPI void glGenTextures(GLsizei n, GLuint* textures);
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GLAPI GLenum glGetError();
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GLAPI GLubyte* glGetString(GLenum name);
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GLAPI void glLoadIdentity();
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GLAPI void glLoadMatrixf(const GLfloat* matrix);
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GLAPI void glMatrixMode(GLenum mode);
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GLAPI void glOrtho(GLdouble left, GLdouble right, GLdouble bottom, GLdouble top, GLdouble nearVal, GLdouble farVal);
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GLAPI void glPushMatrix();
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GLAPI void glPopMatrix();
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GLAPI void glRotatef(GLfloat angle, GLfloat x, GLfloat y, GLfloat z);
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GLAPI void glScalef(GLfloat x, GLfloat y, GLfloat z);
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GLAPI void glTranslatef(GLfloat x, GLfloat y, GLfloat z);
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GLAPI void glVertex2d(GLdouble x, GLdouble y);
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GLAPI void glVertex2dv(const GLdouble* v);
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GLAPI void glVertex2f(GLfloat x, GLfloat y);
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GLAPI void glVertex2fv(const GLfloat* v);
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GLAPI void glVertex2i(GLint x, GLint y);
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GLAPI void glVertex2iv(const GLint* v);
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GLAPI void glVertex2s(GLshort x, GLshort y);
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GLAPI void glVertex2sv(const GLshort* v);
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GLAPI void glVertex3d(GLdouble x, GLdouble y, GLdouble z);
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GLAPI void glVertex3dv(const GLdouble* v);
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GLAPI void glVertex3f(GLfloat x, GLfloat y, GLfloat z);
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GLAPI void glVertex3fv(const GLfloat* v);
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GLAPI void glVertex3i(GLint x, GLint y, GLint z);
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GLAPI void glVertex3iv(const GLint* v);
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GLAPI void glVertex3s(GLshort x, GLshort y, GLshort z);
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GLAPI void glVertex3sv(const GLshort* v);
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GLAPI void glVertex4d(GLdouble x, GLdouble y, GLdouble z, GLdouble w);
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GLAPI void glVertex4dv(const GLdouble* v);
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GLAPI void glVertex4f(GLfloat x, GLfloat y, GLfloat z, GLfloat w);
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GLAPI void glVertex4fv(const GLfloat* v);
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GLAPI void glVertex4i(GLint x, GLint y, GLint z, GLint w);
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GLAPI void glVertex4iv(const GLint* v);
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GLAPI void glVertex4s(GLshort x, GLshort y, GLshort z, GLshort w);
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GLAPI void glVertex4sv(const GLshort* v);
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GLAPI void glViewport(GLint x, GLint y, GLsizei width, GLsizei height);
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GLAPI void glEnable(GLenum cap);
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GLAPI void glDisable(GLenum cap);
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GLAPI void glCullFace(GLenum mode);
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GLAPI void glFrontFace(GLenum mode);
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GLAPI GLuint glGenLists(GLsizei range);
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GLAPI void glCallList(GLuint list);
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GLAPI void glDeleteLists(GLuint list, GLsizei range);
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GLAPI void glEndList(void);
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GLAPI void glNewList(GLuint list, GLenum mode);
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GLAPI void glFlush();
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GLAPI void glFinish();
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GLAPI void glBlendFunc(GLenum sfactor, GLenum dfactor);
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GLAPI void glShadeModel(GLenum mode);
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GLAPI void glAlphaFunc(GLenum func, GLclampf ref);
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GLAPI void glHint(GLenum target, GLenum mode);
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GLAPI void glReadBuffer(GLenum mode);
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GLAPI void glReadPixels(GLint x, GLint y, GLsizei width, GLsizei height, GLenum format, GLenum type, GLvoid* pixels);
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GLAPI void glTexImage2D(GLenum target, GLint level, GLint internalFormat, GLsizei width, GLsizei height, GLint border, GLenum format, GLenum type, const GLvoid* data);
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GLAPI void glTexCoord2f(GLfloat s, GLfloat t);
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GLAPI void glBindTexture(GLenum target, GLuint texture);
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GLAPI void glActiveTexture(GLenum texture);
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GLAPI void glGetFloatv(GLenum pname, GLfloat* params);
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#ifdef __cplusplus
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}
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#endif
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