mirror of
https://github.com/Ryujinx/Opentk.git
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62d6791736
According to the Linux OpenGL ABI, glXGetProcAddressARB must be statically exported by libGL. This does *not* hold true for glXGetProcAddress. We must used the ARB version instead. Furthermore, glx entry points, unlike wgl, do not depend on any specific OpenGL context. This means we can load them in the constructor of the Glx class.
406 lines
13 KiB
C#
406 lines
13 KiB
C#
#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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using System.Security;
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#pragma warning disable 1591
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namespace OpenTK.Platform.X11
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{
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#region Enums
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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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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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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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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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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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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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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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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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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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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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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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enum ArbCreateContext : int
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{
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DebugBit = 0x0001,
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ForwardCompatibleBit = 0x0002,
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CoreProfileBit = 0x00000001,
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CompatibilityProfileBit = 0x00000002,
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MajorVersion = 0x2091,
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MinorVersion = 0x2092,
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LayerPlane = 0x2093,
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Flags = 0x2094,
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ErrorInvalidVersion = 0x2095,
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ProfileMask = 0x9126
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}
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enum ErrorCode : int
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{
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NO_ERROR = 0,
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BAD_SCREEN = 1, /* screen # is bad */
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BAD_ATTRIBUTE = 2, /* attribute to get is bad */
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NO_EXTENSION = 3, /* no glx extension on server */
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BAD_VISUAL = 4, /* visual # not known by GLX */
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BAD_CONTEXT = 5, /* returned only by import_context EXT? */
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BAD_VALUE = 6, /* returned only by glXSwapIntervalSGI? */
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BAD_ENUM = 7, /* unused? */
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}
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#endregion
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/// \internal
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/// <summary>
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/// Provides access to GLX functions.
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/// </summary>
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partial class Glx
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{
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#region GLX functions
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[DllImport(Library, EntryPoint = "glXIsDirect")]
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public static extern bool IsDirect(IntPtr dpy, IntPtr context);
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[DllImport(Library, EntryPoint = "glXQueryExtension")]
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public static extern bool QueryExtension(IntPtr dpy, ref int errorBase, ref int eventBase);
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[DllImport(Library, EntryPoint = "glXQueryExtensionsString")]
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static extern IntPtr QueryExtensionsStringInternal(IntPtr dpy, int screen);
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public static string QueryExtensionsString(IntPtr dpy, int screen)
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{
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return Marshal.PtrToStringAnsi(QueryExtensionsStringInternal(dpy, screen));
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}
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[DllImport(Library, EntryPoint = "glXCreateContext")]
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public static extern IntPtr CreateContext(IntPtr dpy, IntPtr vis, IntPtr shareList, bool direct);
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[DllImport(Library, EntryPoint = "glXCreateContext")]
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public static extern IntPtr CreateContext(IntPtr dpy, ref XVisualInfo vis, IntPtr shareList, bool direct);
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[DllImport(Library, EntryPoint = "glXDestroyContext")]
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public static extern void DestroyContext(IntPtr dpy, IntPtr context);
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public static void DestroyContext(IntPtr dpy, ContextHandle context)
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{
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DestroyContext(dpy, context.Handle);
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}
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[DllImport(Library, EntryPoint = "glXGetCurrentContext")]
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public static extern IntPtr GetCurrentContext();
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[DllImport(Library, EntryPoint = "glXMakeCurrent")]
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public static extern bool MakeCurrent(IntPtr display, IntPtr drawable, IntPtr context);
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public static bool MakeCurrent(IntPtr display, IntPtr drawable, ContextHandle context)
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{
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return MakeCurrent(display, drawable, context.Handle);
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}
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[DllImport(Library, EntryPoint = "glXSwapBuffers")]
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public static extern void SwapBuffers(IntPtr display, IntPtr drawable);
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[DllImport(Library, EntryPoint = "glXGetProcAddress")]
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public static extern IntPtr GetProcAddress([MarshalAs(UnmanagedType.LPTStr)] string procName);
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[DllImport(Library, EntryPoint = "glXGetConfig")]
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public static extern int GetConfig(IntPtr dpy, ref XVisualInfo vis, GLXAttribute attrib, out int value);
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#region glXChooseVisual
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[DllImport(Library, EntryPoint = "glXChooseVisual")]
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public extern static IntPtr ChooseVisual(IntPtr dpy, int screen, IntPtr attriblist);
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[DllImport(Library, EntryPoint = "glXChooseVisual")]
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public extern static IntPtr ChooseVisual(IntPtr dpy, int screen, ref int attriblist);
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public static IntPtr ChooseVisual(IntPtr dpy, int screen, int[] attriblist)
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{
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unsafe
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{
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fixed (int* attriblist_ptr = attriblist)
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{
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return ChooseVisual(dpy, screen, (IntPtr)attriblist_ptr);
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}
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}
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}
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// Returns an array of GLXFBConfig structures.
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[DllImport(Library, EntryPoint = "glXChooseFBConfig")]
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unsafe public extern static IntPtr* ChooseFBConfig(IntPtr dpy, int screen, int[] attriblist, out int fbount);
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// Returns a pointer to an XVisualInfo structure.
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[DllImport(Library, EntryPoint = "glXGetVisualFromFBConfig")]
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public unsafe extern static IntPtr GetVisualFromFBConfig(IntPtr dpy, IntPtr fbconfig);
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#endregion
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#region Extensions
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public partial class Sgi
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{
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public static ErrorCode SwapInterval(int interval)
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{
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return (ErrorCode)Delegates.glXSwapIntervalSGI(interval);
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}
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}
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public partial class Arb
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{
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#region CreateContextAttri
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unsafe public static IntPtr CreateContextAttribs(IntPtr display, IntPtr fbconfig, IntPtr share_context, bool direct, int* attribs)
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{
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return Delegates.glXCreateContextAttribsARB(display, fbconfig, share_context, direct, attribs);
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}
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public static IntPtr CreateContextAttribs(IntPtr display, IntPtr fbconfig, IntPtr share_context, bool direct, int[] attribs)
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{
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unsafe
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{
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fixed (int* attribs_ptr = attribs)
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{
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return Delegates.glXCreateContextAttribsARB(display, fbconfig, share_context, direct, attribs_ptr);
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}
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}
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}
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#endregion
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#region GetProcAddress
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// The linux OpenGL ABI 3.6 (1999) requires
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// that glXGetProcAddressARB be available as
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// a static export. The same is *not* true
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// for glXGetProcAddress, so we should use
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// glXGetProcAddressARB instead.
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// See http://www.opengl.org/registry/ABI/
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[DllImport(Library, EntryPoint = "glXGetProcAddressARB")]
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public static extern IntPtr GetProcAddress([MarshalAs(UnmanagedType.LPTStr)] string procName);
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#endregion
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}
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internal static partial class Delegates
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{
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[SuppressUnmanagedCodeSecurity]
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public delegate int SwapIntervalSGI(int interval);
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public static SwapIntervalSGI glXSwapIntervalSGI = null;
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[SuppressUnmanagedCodeSecurity]
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unsafe public delegate IntPtr CreateContextAttribsARB(IntPtr display, IntPtr fbconfig, IntPtr share_context, bool direct, int* attribs);
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unsafe public static CreateContextAttribsARB glXCreateContextAttribsARB = null;
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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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#pragma warning restore 1591 |