325 lines
11 KiB
C#
325 lines
11 KiB
C#
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#region --- License ---
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/* Copyright (c) 2006, 2007 Stefanos Apostolopoulos
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* Contributions from Erik Ylvisaker
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* See license.txt for license info
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*/
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#endregion
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using System;
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using System.Collections.Generic;
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using System.Text;
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using System.Runtime.InteropServices;
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namespace OpenTK.Platform.X11
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{
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#region Types
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using GLsizeiptrARB = System.IntPtr;
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using GLintptrARB = System.IntPtr;
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using GLhandleARB = System.Int32;
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using GLhalfARB = System.Int16;
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using GLhalfNV = System.Int16;
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using GLcharARB = System.Char;
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using GLsizei = System.Int32;
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using GLsizeiptr = System.IntPtr;
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using GLintptr = System.IntPtr;
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using GLenum = System.Int32;
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using GLboolean = System.Boolean;
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using GLbitfield = System.Int32;
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using GLchar = System.Char;
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using GLbyte = System.Byte;
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using GLubyte = System.Byte;
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using GLshort = System.Int16;
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using GLushort = System.Int16;
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using GLint = System.Int32;
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using GLuint = System.Int32;
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using GLfloat = System.Single;
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using GLclampf = System.Single;
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using GLdouble = System.Double;
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using GLclampd = System.Double;
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using GLstring = System.String;
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#endregion
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/// <summary>
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/// Provides access to GLX functions.
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/// </summary>
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internal static class Glx
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{
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// Disable BeforeFieldInit optimization.
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static Glx() { }
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const string _dll_name = "libGL.so.1";
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#region Enums
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public struct Enums
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{
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public enum GLXAttribute : int
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{
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TRANSPARENT_BLUE_VALUE_EXT = 0x27,
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GRAY_SCALE = 0x8006,
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RGBA_TYPE = 0x8014,
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TRANSPARENT_RGB_EXT = 0x8008,
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ACCUM_BLUE_SIZE = 16,
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SHARE_CONTEXT_EXT = 0x800A,
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STEREO = 6,
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ALPHA_SIZE = 11,
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FLOAT_COMPONENTS_NV = 0x20B0,
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NONE = 0x8000,
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DEPTH_SIZE = 12,
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TRANSPARENT_INDEX_VALUE_EXT = 0x24,
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MAX_PBUFFER_WIDTH_SGIX = 0x8016,
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GREEN_SIZE = 9,
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X_RENDERABLE_SGIX = 0x8012,
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LARGEST_PBUFFER = 0x801C,
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DONT_CARE = unchecked((int)0xFFFFFFFF),
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TRANSPARENT_ALPHA_VALUE_EXT = 0x28,
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PSEUDO_COLOR_EXT = 0x8004,
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USE_GL = 1,
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SAMPLE_BUFFERS_SGIS = 100000,
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TRANSPARENT_GREEN_VALUE_EXT = 0x26,
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HYPERPIPE_ID_SGIX = 0x8030,
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COLOR_INDEX_TYPE_SGIX = 0x8015,
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SLOW_CONFIG = 0x8001,
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PRESERVED_CONTENTS = 0x801B,
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ACCUM_RED_SIZE = 14,
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EVENT_MASK = 0x801F,
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VISUAL_ID_EXT = 0x800B,
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EVENT_MASK_SGIX = 0x801F,
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SLOW_VISUAL_EXT = 0x8001,
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TRANSPARENT_GREEN_VALUE = 0x26,
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MAX_PBUFFER_WIDTH = 0x8016,
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DIRECT_COLOR_EXT = 0x8003,
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VISUAL_ID = 0x800B,
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ACCUM_GREEN_SIZE = 15,
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DRAWABLE_TYPE_SGIX = 0x8010,
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SCREEN_EXT = 0x800C,
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SAMPLES = 100001,
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HEIGHT = 0x801E,
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TRANSPARENT_INDEX_VALUE = 0x24,
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SAMPLE_BUFFERS_ARB = 100000,
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PBUFFER = 0x8023,
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RGBA_TYPE_SGIX = 0x8014,
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MAX_PBUFFER_HEIGHT = 0x8017,
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FBCONFIG_ID_SGIX = 0x8013,
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DRAWABLE_TYPE = 0x8010,
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SCREEN = 0x800C,
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RED_SIZE = 8,
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VISUAL_SELECT_GROUP_SGIX = 0x8028,
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VISUAL_CAVEAT_EXT = 0x20,
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PSEUDO_COLOR = 0x8004,
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PBUFFER_HEIGHT = 0x8040,
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STATIC_GRAY = 0x8007,
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PRESERVED_CONTENTS_SGIX = 0x801B,
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RGBA_FLOAT_TYPE_ARB = 0x20B9,
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TRANSPARENT_RED_VALUE = 0x25,
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TRANSPARENT_ALPHA_VALUE = 0x28,
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WINDOW = 0x8022,
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X_RENDERABLE = 0x8012,
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STENCIL_SIZE = 13,
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TRANSPARENT_RGB = 0x8008,
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LARGEST_PBUFFER_SGIX = 0x801C,
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STATIC_GRAY_EXT = 0x8007,
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TRANSPARENT_BLUE_VALUE = 0x27,
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DIGITAL_MEDIA_PBUFFER_SGIX = 0x8024,
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BLENDED_RGBA_SGIS = 0x8025,
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NON_CONFORMANT_VISUAL_EXT = 0x800D,
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COLOR_INDEX_TYPE = 0x8015,
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TRANSPARENT_RED_VALUE_EXT = 0x25,
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GRAY_SCALE_EXT = 0x8006,
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WINDOW_SGIX = 0x8022,
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X_VISUAL_TYPE = 0x22,
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MAX_PBUFFER_HEIGHT_SGIX = 0x8017,
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DOUBLEBUFFER = 5,
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OPTIMAL_PBUFFER_WIDTH_SGIX = 0x8019,
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X_VISUAL_TYPE_EXT = 0x22,
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WIDTH_SGIX = 0x801D,
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STATIC_COLOR_EXT = 0x8005,
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BUFFER_SIZE = 2,
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DIRECT_COLOR = 0x8003,
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MAX_PBUFFER_PIXELS = 0x8018,
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NONE_EXT = 0x8000,
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HEIGHT_SGIX = 0x801E,
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RENDER_TYPE = 0x8011,
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FBCONFIG_ID = 0x8013,
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TRANSPARENT_INDEX_EXT = 0x8009,
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TRANSPARENT_INDEX = 0x8009,
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TRANSPARENT_TYPE_EXT = 0x23,
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ACCUM_ALPHA_SIZE = 17,
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PBUFFER_SGIX = 0x8023,
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MAX_PBUFFER_PIXELS_SGIX = 0x8018,
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OPTIMAL_PBUFFER_HEIGHT_SGIX = 0x801A,
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DAMAGED = 0x8020,
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SAVED_SGIX = 0x8021,
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TRANSPARENT_TYPE = 0x23,
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MULTISAMPLE_SUB_RECT_WIDTH_SGIS = 0x8026,
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NON_CONFORMANT_CONFIG = 0x800D,
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BLUE_SIZE = 10,
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TRUE_COLOR_EXT = 0x8002,
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SAMPLES_SGIS = 100001,
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SAMPLES_ARB = 100001,
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TRUE_COLOR = 0x8002,
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RGBA = 4,
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AUX_BUFFERS = 7,
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SAMPLE_BUFFERS = 100000,
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SAVED = 0x8021,
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MULTISAMPLE_SUB_RECT_HEIGHT_SGIS = 0x8027,
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DAMAGED_SGIX = 0x8020,
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STATIC_COLOR = 0x8005,
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PBUFFER_WIDTH = 0x8041,
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WIDTH = 0x801D,
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LEVEL = 3,
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CONFIG_CAVEAT = 0x20,
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RENDER_TYPE_SGIX = 0x8011,
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}
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public enum GLXHyperpipeAttrib : int
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{
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PIPE_RECT_LIMITS_SGIX = 0x00000002,
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PIPE_RECT_SGIX = 0x00000001,
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HYPERPIPE_STEREO_SGIX = 0x00000003,
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HYPERPIPE_PIXEL_AVERAGE_SGIX = 0x00000004,
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}
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public enum GLXStringName : int
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{
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EXTENSIONS = 0x3,
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VERSION = 0x2,
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VENDOR = 0x1,
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}
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public enum GLXEventMask : int
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{
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PBUFFER_CLOBBER_MASK = 0x08000000,
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BUFFER_CLOBBER_MASK_SGIX = 0x08000000,
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}
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public enum GLXRenderTypeMask : int
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{
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COLOR_INDEX_BIT_SGIX = 0x00000002,
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RGBA_BIT = 0x00000001,
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RGBA_FLOAT_BIT_ARB = 0x00000004,
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RGBA_BIT_SGIX = 0x00000001,
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COLOR_INDEX_BIT = 0x00000002,
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}
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public enum GLXHyperpipeTypeMask : int
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{
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HYPERPIPE_RENDER_PIPE_SGIX = 0x00000002,
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HYPERPIPE_DISPLAY_PIPE_SGIX = 0x00000001,
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}
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public enum GLXPbufferClobberMask : int
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{
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ACCUM_BUFFER_BIT_SGIX = 0x00000080,
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FRONT_LEFT_BUFFER_BIT = 0x00000001,
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BACK_RIGHT_BUFFER_BIT = 0x00000008,
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FRONT_RIGHT_BUFFER_BIT_SGIX = 0x00000002,
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STENCIL_BUFFER_BIT_SGIX = 0x00000040,
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SAMPLE_BUFFERS_BIT_SGIX = 0x00000100,
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STENCIL_BUFFER_BIT = 0x00000040,
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BACK_RIGHT_BUFFER_BIT_SGIX = 0x00000008,
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BACK_LEFT_BUFFER_BIT_SGIX = 0x00000004,
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AUX_BUFFERS_BIT = 0x00000010,
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DEPTH_BUFFER_BIT_SGIX = 0x00000020,
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ACCUM_BUFFER_BIT = 0x00000080,
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AUX_BUFFERS_BIT_SGIX = 0x00000010,
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DEPTH_BUFFER_BIT = 0x00000020,
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FRONT_LEFT_BUFFER_BIT_SGIX = 0x00000001,
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BACK_LEFT_BUFFER_BIT = 0x00000004,
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FRONT_RIGHT_BUFFER_BIT = 0x00000002,
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}
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public enum GLXHyperpipeMisc : int
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{
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HYPERPIPE_PIPE_NAME_LENGTH_SGIX = 80,
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}
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public enum GLXErrorCode : int
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{
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BAD_CONTEXT = 5,
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NO_EXTENSION = 3,
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BAD_HYPERPIPE_SGIX = 92,
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BAD_ENUM = 7,
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BAD_SCREEN = 1,
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BAD_VALUE = 6,
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BAD_ATTRIBUTE = 2,
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BAD_VISUAL = 4,
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BAD_HYPERPIPE_CONFIG_SGIX = 91,
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}
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public enum GLXSyncType : int
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{
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SYNC_SWAP_SGIX = 0x00000001,
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SYNC_FRAME_SGIX = 0x00000000,
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}
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public enum GLXDrawableTypeMask : int
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{
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WINDOW_BIT = 0x00000001,
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PIXMAP_BIT = 0x00000002,
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PBUFFER_BIT_SGIX = 0x00000004,
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PBUFFER_BIT = 0x00000004,
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WINDOW_BIT_SGIX = 0x00000001,
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PIXMAP_BIT_SGIX = 0x00000002,
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}
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}
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#endregion
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#region GLX functions
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[DllImport(_dll_name, EntryPoint = "glXCreateContext")]
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internal static extern IntPtr CreateContext(IntPtr dpy, IntPtr vis, IntPtr shareList, bool direct);
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internal static IntPtr CreateContext(IntPtr dpy, VisualInfo vis, IntPtr shareList, bool direct)
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{
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GCHandle h0 = GCHandle.Alloc(vis, GCHandleType.Pinned);
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try
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{
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return CreateContext(dpy, h0.AddrOfPinnedObject(), shareList, direct);
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}
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finally
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{
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h0.Free();
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}
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}
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[DllImport(_dll_name, EntryPoint = "glXDestroyContext")]
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public static extern void DestroyContext(IntPtr dpy, IntPtr context);
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[DllImport(_dll_name, EntryPoint = "glXMakeCurrent")]
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public static extern bool MakeCurrent(IntPtr display, IntPtr drawable, IntPtr context);
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[DllImport(_dll_name, EntryPoint = "glXSwapBuffers")]
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public static extern void SwapBuffers(IntPtr display, IntPtr drawable);
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[DllImport(_dll_name, EntryPoint = "glXGetProcAddress")]
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public static extern IntPtr GetProcAddress([MarshalAs(UnmanagedType.LPTStr)] string procName);
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#region glXChooseVisual
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[DllImport(_dll_name, EntryPoint = "glXChooseVisual")]
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internal extern static IntPtr ChooseVisual(IntPtr dpy, int screen, IntPtr attriblist);
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internal static IntPtr ChooseVisual(IntPtr dpy, int screen, int[] attriblist)
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{
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GCHandle h0 = GCHandle.Alloc(attriblist, GCHandleType.Pinned);
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try
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{
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return ChooseVisual(dpy, screen, h0.AddrOfPinnedObject());
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}
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finally
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{
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h0.Free();
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}
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}
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#endregion
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#endregion
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}
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}
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