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Location: alysbrooks-public/games/isometric-park-fna/FNA/src/FNAPlatform/ModernGLDevice_GL.cs

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Commit Description:
Various UI improvements.
Commit Description:
Various UI improvements.
References:
r291:6a7d5e8510b1 default
File last commit:
r0:e33f209de7e5 default
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FNA/src/FNAPlatform/ModernGLDevice_GL.cs
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#region License
/* FNA - XNA4 Reimplementation for Desktop Platforms
* Copyright 2009-2020 Ethan Lee and the MonoGame Team
*
* Released under the Microsoft Public License.
* See LICENSE for details.
*/
#endregion
#region Using Statements
using System;
using System.Runtime.InteropServices;
using SDL2;
#endregion
namespace Microsoft.Xna.Framework.Graphics
{
internal partial class ModernGLDevice : IGLDevice
{
#region Private OpenGL Entry Points
internal enum GLenum : int
{
// Hint Enum Value
GL_DONT_CARE = 0x1100,
// 0/1
GL_ZERO = 0x0000,
GL_ONE = 0x0001,
// Types
GL_BYTE = 0x1400,
GL_UNSIGNED_BYTE = 0x1401,
GL_SHORT = 0x1402,
GL_UNSIGNED_SHORT = 0x1403,
GL_UNSIGNED_INT = 0x1405,
GL_FLOAT = 0x1406,
GL_HALF_FLOAT = 0x140B,
GL_UNSIGNED_SHORT_4_4_4_4_REV = 0x8365,
GL_UNSIGNED_SHORT_5_5_5_1_REV = 0x8366,
GL_UNSIGNED_INT_2_10_10_10_REV = 0x8368,
GL_UNSIGNED_SHORT_5_6_5 = 0x8363,
GL_UNSIGNED_INT_24_8 = 0x84FA,
// Strings
GL_VENDOR = 0x1F00,
GL_RENDERER = 0x1F01,
GL_VERSION = 0x1F02,
GL_EXTENSIONS = 0x1F03,
// Clear Mask
GL_COLOR_BUFFER_BIT = 0x4000,
GL_DEPTH_BUFFER_BIT = 0x0100,
GL_STENCIL_BUFFER_BIT = 0x0400,
// Enable Caps
GL_SCISSOR_TEST = 0x0C11,
GL_DEPTH_TEST = 0x0B71,
GL_STENCIL_TEST = 0x0B90,
// Points
GL_POINT_SPRITE = 0x8861,
GL_COORD_REPLACE = 0x8862,
// Polygons
GL_LINE = 0x1B01,
GL_FILL = 0x1B02,
GL_CW = 0x0900,
GL_CCW = 0x0901,
GL_FRONT = 0x0404,
GL_BACK = 0x0405,
GL_FRONT_AND_BACK = 0x0408,
GL_CULL_FACE = 0x0B44,
GL_POLYGON_OFFSET_FILL = 0x8037,
// Texture Type
GL_TEXTURE_2D = 0x0DE1,
GL_TEXTURE_3D = 0x806F,
GL_TEXTURE_CUBE_MAP = 0x8513,
GL_TEXTURE_CUBE_MAP_POSITIVE_X = 0x8515,
// Blend Mode
GL_BLEND = 0x0BE2,
GL_SRC_COLOR = 0x0300,
GL_ONE_MINUS_SRC_COLOR = 0x0301,
GL_SRC_ALPHA = 0x0302,
GL_ONE_MINUS_SRC_ALPHA = 0x0303,
GL_DST_ALPHA = 0x0304,
GL_ONE_MINUS_DST_ALPHA = 0x0305,
GL_DST_COLOR = 0x0306,
GL_ONE_MINUS_DST_COLOR = 0x0307,
GL_SRC_ALPHA_SATURATE = 0x0308,
GL_CONSTANT_COLOR = 0x8001,
GL_ONE_MINUS_CONSTANT_COLOR = 0x8002,
// Equations
GL_MIN = 0x8007,
GL_MAX = 0x8008,
GL_FUNC_ADD = 0x8006,
GL_FUNC_SUBTRACT = 0x800A,
GL_FUNC_REVERSE_SUBTRACT = 0x800B,
// Comparisons
GL_NEVER = 0x0200,
GL_LESS = 0x0201,
GL_EQUAL = 0x0202,
GL_LEQUAL = 0x0203,
GL_GREATER = 0x0204,
GL_NOTEQUAL = 0x0205,
GL_GEQUAL = 0x0206,
GL_ALWAYS = 0x0207,
// Stencil Operations
GL_INVERT = 0x150A,
GL_KEEP = 0x1E00,
GL_REPLACE = 0x1E01,
GL_INCR = 0x1E02,
GL_DECR = 0x1E03,
GL_INCR_WRAP = 0x8507,
GL_DECR_WRAP = 0x8508,
// Wrap Modes
GL_REPEAT = 0x2901,
GL_CLAMP_TO_EDGE = 0x812F,
GL_MIRRORED_REPEAT = 0x8370,
// Filters
GL_NEAREST = 0x2600,
GL_LINEAR = 0x2601,
GL_NEAREST_MIPMAP_NEAREST = 0x2700,
GL_NEAREST_MIPMAP_LINEAR = 0x2702,
GL_LINEAR_MIPMAP_NEAREST = 0x2701,
GL_LINEAR_MIPMAP_LINEAR = 0x2703,
// Attachments
GL_COLOR_ATTACHMENT0 = 0x8CE0,
GL_DEPTH_ATTACHMENT = 0x8D00,
GL_STENCIL_ATTACHMENT = 0x8D20,
GL_DEPTH_STENCIL_ATTACHMENT = 0x821A,
// Texture Formats
GL_RED = 0x1903,
GL_RGB = 0x1907,
GL_RGBA = 0x1908,
GL_RGBA8 = 0x8058,
GL_RGBA4 = 0x8056,
GL_RGB5_A1 = 0x8057,
GL_RGB10_A2_EXT = 0x8059,
GL_RGBA16 = 0x805B,
GL_BGRA = 0x80E1,
GL_DEPTH_COMPONENT16 = 0x81A5,
GL_DEPTH_COMPONENT24 = 0x81A6,
GL_RG = 0x8227,
GL_R8 = 0x8229,
GL_RG8 = 0x822B,
GL_RG16 = 0x822C,
GL_R16F = 0x822D,
GL_R32F = 0x822E,
GL_RG16F = 0x822F,
GL_RG32F = 0x8230,
GL_RGBA32F = 0x8814,
GL_RGBA16F = 0x881A,
GL_DEPTH24_STENCIL8 = 0x88F0,
GL_COMPRESSED_TEXTURE_FORMATS = 0x86A3,
GL_COMPRESSED_RGBA_S3TC_DXT1_EXT = 0x83F1,
GL_COMPRESSED_RGBA_S3TC_DXT3_EXT = 0x83F2,
GL_COMPRESSED_RGBA_S3TC_DXT5_EXT = 0x83F3,
GL_RGB565 = 0x8D62,
// Texture Internal Formats
GL_DEPTH_COMPONENT = 0x1902,
GL_DEPTH_STENCIL = 0x84F9,
// Textures
GL_TEXTURE_WRAP_S = 0x2802,
GL_TEXTURE_WRAP_T = 0x2803,
GL_TEXTURE_WRAP_R = 0x8072,
GL_TEXTURE_MAG_FILTER = 0x2800,
GL_TEXTURE_MIN_FILTER = 0x2801,
GL_TEXTURE_MAX_ANISOTROPY_EXT = 0x84FE,
GL_TEXTURE_BASE_LEVEL = 0x813C,
GL_TEXTURE_MAX_LEVEL = 0x813D,
GL_TEXTURE_LOD_BIAS = 0x8501,
GL_UNPACK_ALIGNMENT = 0x0CF5,
// Multitexture
GL_TEXTURE0 = 0x84C0,
GL_MAX_TEXTURE_IMAGE_UNITS = 0x8872,
GL_MAX_VERTEX_TEXTURE_IMAGE_UNITS = 0x8B4C,
// Texture Swizzling
GL_TEXTURE_SWIZZLE_R = 0x8E42,
GL_TEXTURE_SWIZZLE_G = 0x8E43,
GL_TEXTURE_SWIZZLE_B = 0x8E44,
GL_TEXTURE_SWIZZLE_A = 0x8E45,
// Buffer objects
GL_ARRAY_BUFFER = 0x8892,
GL_ELEMENT_ARRAY_BUFFER = 0x8893,
GL_STATIC_DRAW = 0x88E4,
GL_MAP_READ_BIT = 0x0001,
GL_MAP_WRITE_BIT = 0x0002,
GL_MAP_PERSISTENT_BIT = 0x0040,
GL_MAP_COHERENT_BIT = 0x0080,
GL_DYNAMIC_STORAGE_BIT = 0x0100,
GL_MAX_VERTEX_ATTRIBS = 0x8869,
// Render targets
GL_FRAMEBUFFER = 0x8D40,
GL_READ_FRAMEBUFFER = 0x8CA8,
GL_DRAW_FRAMEBUFFER = 0x8CA9,
GL_RENDERBUFFER = 0x8D41,
GL_MAX_DRAW_BUFFERS = 0x8824,
// Draw Primitives
GL_POINTS = 0x0000,
GL_LINES = 0x0001,
GL_LINE_STRIP = 0x0003,
GL_TRIANGLES = 0x0004,
GL_TRIANGLE_STRIP = 0x0005,
// Query Objects
GL_QUERY_RESULT = 0x8866,
GL_QUERY_RESULT_AVAILABLE = 0x8867,
GL_SAMPLES_PASSED = 0x8914,
// Multisampling
GL_MULTISAMPLE = 0x809D,
GL_MAX_SAMPLES = 0x8D57,
GL_SAMPLE_MASK = 0x8E51,
// 3.2 Core Profile
GL_NUM_EXTENSIONS = 0x821D,
// Source Enum Values
GL_DEBUG_SOURCE_API_ARB = 0x8246,
GL_DEBUG_SOURCE_WINDOW_SYSTEM_ARB = 0x8247,
GL_DEBUG_SOURCE_SHADER_COMPILER_ARB = 0x8248,
GL_DEBUG_SOURCE_THIRD_PARTY_ARB = 0x8249,
GL_DEBUG_SOURCE_APPLICATION_ARB = 0x824A,
GL_DEBUG_SOURCE_OTHER_ARB = 0x824B,
// Type Enum Values
GL_DEBUG_TYPE_ERROR_ARB = 0x824C,
GL_DEBUG_TYPE_DEPRECATED_BEHAVIOR_ARB = 0x824D,
GL_DEBUG_TYPE_UNDEFINED_BEHAVIOR_ARB = 0x824E,
GL_DEBUG_TYPE_PORTABILITY_ARB = 0x824F,
GL_DEBUG_TYPE_PERFORMANCE_ARB = 0x8250,
GL_DEBUG_TYPE_OTHER_ARB = 0x8251,
// Severity Enum Values
GL_DEBUG_SEVERITY_HIGH_ARB = 0x9146,
GL_DEBUG_SEVERITY_MEDIUM_ARB = 0x9147,
GL_DEBUG_SEVERITY_LOW_ARB = 0x9148,
GL_DEBUG_SEVERITY_NOTIFICATION_ARB = 0x826B
}
// Entry Points
/* BEGIN GET FUNCTIONS */
[UnmanagedFunctionPointer(CallingConvention.StdCall)]
private delegate IntPtr GetString(GLenum pname);
private GetString INTERNAL_glGetString;
private string glGetString(GLenum pname)
{
unsafe
{
return new string((sbyte*) INTERNAL_glGetString(pname));
}
}
[UnmanagedFunctionPointer(CallingConvention.StdCall)]
private delegate void GetIntegerv(GLenum pname, out int param);
private GetIntegerv glGetIntegerv;
/* END GET FUNCTIONS */
/* BEGIN ENABLE/DISABLE FUNCTIONS */
[UnmanagedFunctionPointer(CallingConvention.StdCall)]
private delegate void Enable(GLenum cap);
private Enable glEnable;
[UnmanagedFunctionPointer(CallingConvention.StdCall)]
private delegate void Disable(GLenum cap);
private Disable glDisable;
/* END ENABLE/DISABLE FUNCTIONS */
/* BEGIN VIEWPORT/SCISSOR FUNCTIONS */
[UnmanagedFunctionPointer(CallingConvention.StdCall)]
private delegate void G_Viewport(
int x,
int y,
int width,
int height
);
private G_Viewport glViewport;
[UnmanagedFunctionPointer(CallingConvention.StdCall)]
private delegate void DepthRange(
double near_val,
double far_val
);
private DepthRange glDepthRange;
[UnmanagedFunctionPointer(CallingConvention.StdCall)]
private delegate void Scissor(
int x,
int y,
int width,
int height
);
private Scissor glScissor;
/* END VIEWPORT/SCISSOR FUNCTIONS */
/* BEGIN BLEND STATE FUNCTIONS */
[UnmanagedFunctionPointer(CallingConvention.StdCall)]
private delegate void BlendColor(
float red,
float green,
float blue,
float alpha
);
private BlendColor glBlendColor;
[UnmanagedFunctionPointer(CallingConvention.StdCall)]
private delegate void BlendFuncSeparate(
GLenum srcRGB,
GLenum dstRGB,
GLenum srcAlpha,
GLenum dstAlpha
);
private BlendFuncSeparate glBlendFuncSeparate;
[UnmanagedFunctionPointer(CallingConvention.StdCall)]
private delegate void BlendEquationSeparate(
GLenum modeRGB,
GLenum modeAlpha
);
private BlendEquationSeparate glBlendEquationSeparate;
[UnmanagedFunctionPointer(CallingConvention.StdCall)]
private delegate void ColorMask(
bool red,
bool green,
bool blue,
bool alpha
);
private ColorMask glColorMask;
[UnmanagedFunctionPointer(CallingConvention.StdCall)]
private delegate void ColorMaski(
uint buf,
bool red,
bool green,
bool blue,
bool alpha
);
private ColorMaski glColorMaski;
[UnmanagedFunctionPointer(CallingConvention.StdCall)]
private delegate void SampleMaski(uint maskNumber, uint mask);
private SampleMaski glSampleMaski;
/* END BLEND STATE FUNCTIONS */
/* BEGIN DEPTH/STENCIL STATE FUNCTIONS */
[UnmanagedFunctionPointer(CallingConvention.StdCall)]
private delegate void DepthMask(bool flag);
private DepthMask glDepthMask;
[UnmanagedFunctionPointer(CallingConvention.StdCall)]
private delegate void DepthFunc(GLenum func);
private DepthFunc glDepthFunc;
[UnmanagedFunctionPointer(CallingConvention.StdCall)]
private delegate void StencilMask(int mask);
private StencilMask glStencilMask;
[UnmanagedFunctionPointer(CallingConvention.StdCall)]
private delegate void StencilFuncSeparate(
GLenum face,
GLenum func,
int reference,
int mask
);
private StencilFuncSeparate glStencilFuncSeparate;
[UnmanagedFunctionPointer(CallingConvention.StdCall)]
private delegate void StencilOpSeparate(
GLenum face,
GLenum sfail,
GLenum dpfail,
GLenum dppass
);
private StencilOpSeparate glStencilOpSeparate;
[UnmanagedFunctionPointer(CallingConvention.StdCall)]
private delegate void StencilFunc(
GLenum fail,
int reference,
int mask
);
private StencilFunc glStencilFunc;
[UnmanagedFunctionPointer(CallingConvention.StdCall)]
private delegate void StencilOp(
GLenum fail,
GLenum zfail,
GLenum zpass
);
private StencilOp glStencilOp;
/* END DEPTH/STENCIL STATE FUNCTIONS */
/* BEGIN RASTERIZER STATE FUNCTIONS */
[UnmanagedFunctionPointer(CallingConvention.StdCall)]
private delegate void FrontFace(GLenum mode);
private FrontFace glFrontFace;
[UnmanagedFunctionPointer(CallingConvention.StdCall)]
private delegate void PolygonMode(GLenum face, GLenum mode);
private PolygonMode glPolygonMode;
[UnmanagedFunctionPointer(CallingConvention.StdCall)]
private delegate void PolygonOffset(float factor, float units);
private PolygonOffset glPolygonOffset;
/* END RASTERIZER STATE FUNCTIONS */
/* BEGIN TEXTURE FUNCTIONS */
[UnmanagedFunctionPointer(CallingConvention.StdCall)]
private delegate void CreateTextures(
GLenum target,
int n,
out uint textures
);
private CreateTextures glCreateTextures;
[UnmanagedFunctionPointer(CallingConvention.StdCall)]
private delegate void DeleteTextures(
int n,
ref uint textures
);
private DeleteTextures glDeleteTextures;
[UnmanagedFunctionPointer(CallingConvention.StdCall)]
private delegate void BindTextureUnit(int unit, uint texture);
private BindTextureUnit glBindTextureUnit;
[UnmanagedFunctionPointer(CallingConvention.StdCall)]
private delegate void TextureStorage2D(
uint texture,
int levels,
GLenum internalformat,
int width,
int height
);
private TextureStorage2D glTextureStorage2D;
[UnmanagedFunctionPointer(CallingConvention.StdCall)]
private delegate void TextureSubImage2D(
uint texture,
int level,
int xoffset,
int yoffset,
int width,
int height,
GLenum format,
GLenum type,
IntPtr pixels
);
private TextureSubImage2D glTextureSubImage2D;
[UnmanagedFunctionPointer(CallingConvention.StdCall)]
private delegate void CompressedTextureSubImage2D(
uint texture,
int level,
int xoffset,
int yoffset,
int width,
int height,
GLenum format,
int imageSize,
IntPtr pixels
);
private CompressedTextureSubImage2D glCompressedTextureSubImage2D;
[UnmanagedFunctionPointer(CallingConvention.StdCall)]
private delegate void TextureStorage3D(
uint texture,
int levels,
GLenum internalFormat,
int width,
int height,
int depth
);
private TextureStorage3D glTextureStorage3D;
[UnmanagedFunctionPointer(CallingConvention.StdCall)]
private delegate void TextureSubImage3D(
uint texture,
int level,
int xoffset,
int yoffset,
int zoffset,
int width,
int height,
int depth,
GLenum format,
GLenum type,
IntPtr pixels
);
private TextureSubImage3D glTextureSubImage3D;
[UnmanagedFunctionPointer(CallingConvention.StdCall)]
private delegate void CompressedTextureSubImage3D(
uint texture,
int level,
int xoffset,
int yoffset,
int zoffset,
int width,
int height,
int depth,
GLenum format,
int imageSize,
IntPtr pixels
);
private CompressedTextureSubImage3D glCompressedTextureSubImage3D;
[UnmanagedFunctionPointer(CallingConvention.StdCall)]
private delegate void GetTextureSubImage(
uint texture,
int level,
int xoffset,
int yoffset,
int zoffset,
int width,
int height,
int depth,
GLenum format,
GLenum type,
int bufSize,
IntPtr pixels
);
private GetTextureSubImage glGetTextureSubImage;
[UnmanagedFunctionPointer(CallingConvention.StdCall)]
private delegate void TextureParameteri(
uint texture,
GLenum parameter,
GLenum param
);
private TextureParameteri glTextureParameteri;
[UnmanagedFunctionPointer(CallingConvention.StdCall)]
private delegate void CreateSamplers(
int n,
IntPtr samplers
);
private CreateSamplers glCreateSamplers;
[UnmanagedFunctionPointer(CallingConvention.StdCall)]
private delegate void BindSampler(
int unit,
uint sampler
);
private BindSampler glBindSampler;
[UnmanagedFunctionPointer(CallingConvention.StdCall)]
private delegate void SamplerParameteri(
uint sampler,
GLenum pname,
int param
);
private SamplerParameteri glSamplerParameteri;
[UnmanagedFunctionPointer(CallingConvention.StdCall)]
private delegate void SamplerParameterf(
uint sampler,
GLenum pname,
float param
);
private SamplerParameterf glSamplerParameterf;
[UnmanagedFunctionPointer(CallingConvention.StdCall)]
private delegate void PixelStorei(GLenum pname, int param);
private PixelStorei glPixelStorei;
[UnmanagedFunctionPointer(CallingConvention.StdCall)]
private delegate void TexEnvi(
GLenum target,
GLenum pname,
int param
);
private TexEnvi glTexEnvi;
/* END TEXTURE FUNCTIONS */
/* BEGIN BUFFER FUNCTIONS */
[UnmanagedFunctionPointer(CallingConvention.StdCall)]
private delegate void CreateBuffers(int n, out uint buffers);
private CreateBuffers glCreateBuffers;
[UnmanagedFunctionPointer(CallingConvention.StdCall)]
private delegate void DeleteBuffers(
int n,
ref uint buffers
);
private DeleteBuffers glDeleteBuffers;
[UnmanagedFunctionPointer(CallingConvention.StdCall)]
private delegate void BindBuffer(GLenum target, uint buffer);
private BindBuffer glBindBuffer;
[UnmanagedFunctionPointer(CallingConvention.StdCall)]
private delegate void NamedBufferData(
uint buffer,
IntPtr size,
IntPtr data,
GLenum usage
);
private NamedBufferData glNamedBufferData;
[UnmanagedFunctionPointer(CallingConvention.StdCall)]
private delegate void NamedBufferSubData(
uint buffer,
IntPtr offset,
IntPtr size,
IntPtr data
);
private NamedBufferSubData glNamedBufferSubData;
[UnmanagedFunctionPointer(CallingConvention.StdCall)]
private delegate void GetNamedBufferSubData(
uint buffer,
IntPtr offset,
IntPtr size,
IntPtr data
);
private GetNamedBufferSubData glGetNamedBufferSubData;
[UnmanagedFunctionPointer(CallingConvention.StdCall)]
private delegate void NamedBufferStorage(
uint buffer,
IntPtr size,
IntPtr data,
GLenum flags // Technically uint, but...
);
private NamedBufferStorage glNamedBufferStorage;
[UnmanagedFunctionPointer(CallingConvention.StdCall)]
private delegate IntPtr MapNamedBufferRange(
uint buffer,
IntPtr offset,
IntPtr length,
GLenum access
);
private MapNamedBufferRange glMapNamedBufferRange;
[UnmanagedFunctionPointer(CallingConvention.StdCall)]
private delegate void UnmapNamedBuffer(uint buffer);
private UnmapNamedBuffer glUnmapNamedBuffer;
[UnmanagedFunctionPointer(CallingConvention.StdCall)]
private delegate void InvalidateBufferData(uint buffer);
private InvalidateBufferData glInvalidateBufferData;
/* END BUFFER FUNCTIONS */
/* BEGIN CLEAR FUNCTIONS */
[UnmanagedFunctionPointer(CallingConvention.StdCall)]
private delegate void ClearColor(
float red,
float green,
float blue,
float alpha
);
private ClearColor glClearColor;
[UnmanagedFunctionPointer(CallingConvention.StdCall)]
private delegate void ClearDepth(double depth);
private ClearDepth glClearDepth;
[UnmanagedFunctionPointer(CallingConvention.StdCall)]
private delegate void ClearStencil(int s);
private ClearStencil glClearStencil;
[UnmanagedFunctionPointer(CallingConvention.StdCall)]
private delegate void G_Clear(GLenum mask);
private G_Clear glClear;
/* END CLEAR FUNCTIONS */
/* BEGIN FRAMEBUFFER FUNCTIONS */
[UnmanagedFunctionPointer(CallingConvention.StdCall)]
private delegate void ReadPixels(
int x,
int y,
int width,
int height,
GLenum format,
GLenum type,
IntPtr pixels
);
private ReadPixels glReadPixels;
[UnmanagedFunctionPointer(CallingConvention.StdCall)]
private delegate void GenerateTextureMipmap(uint texture);
private GenerateTextureMipmap glGenerateTextureMipmap;
[UnmanagedFunctionPointer(CallingConvention.StdCall)]
private delegate void CreateFramebuffers(
int n,
out uint framebuffers
);
private CreateFramebuffers glCreateFramebuffers;
[UnmanagedFunctionPointer(CallingConvention.StdCall)]
private delegate void DeleteFramebuffers(
int n,
ref uint framebuffers
);
private DeleteFramebuffers glDeleteFramebuffers;
[UnmanagedFunctionPointer(CallingConvention.StdCall)]
private delegate void G_BindFramebuffer(
GLenum target,
uint framebuffer
);
private G_BindFramebuffer glBindFramebuffer;
[UnmanagedFunctionPointer(CallingConvention.StdCall)]
private delegate void NamedFramebufferTexture(
uint framebuffer,
GLenum attachment,
uint texture,
int level
);
private NamedFramebufferTexture glNamedFramebufferTexture;
[UnmanagedFunctionPointer(CallingConvention.StdCall)]
private delegate void NamedFramebufferTextureLayer(
uint framebuffer,
GLenum attachment,
uint texture,
int level,
int layer
);
private NamedFramebufferTextureLayer glNamedFramebufferTextureLayer;
[UnmanagedFunctionPointer(CallingConvention.StdCall)]
private delegate void NamedFramebufferRenderbuffer(
uint framebuffer,
GLenum attachment,
GLenum renderbuffertarget,
uint renderbuffer
);
private NamedFramebufferRenderbuffer glNamedFramebufferRenderbuffer;
[UnmanagedFunctionPointer(CallingConvention.StdCall)]
private delegate void NamedFramebufferDrawBuffers(
uint framebuffer,
int n,
IntPtr bufs
);
private NamedFramebufferDrawBuffers glNamedFramebufferDrawBuffers;
[UnmanagedFunctionPointer(CallingConvention.StdCall)]
private delegate void BlitNamedFramebuffer(
uint readFramebuffer,
uint drawFramebuffer,
int srcX0,
int srcY0,
int srcX1,
int srcY1,
int dstX0,
int dstY0,
int dstX1,
int dstY1,
GLenum mask,
GLenum filter
);
private BlitNamedFramebuffer glBlitNamedFramebuffer;
[UnmanagedFunctionPointer(CallingConvention.StdCall)]
private delegate void InvalidateNamedFramebufferData(
uint framebuffer,
int numAttachments,
IntPtr attachments
);
InvalidateNamedFramebufferData glInvalidateNamedFramebufferData;
[UnmanagedFunctionPointer(CallingConvention.StdCall)]
private delegate void CreateRenderbuffers(
int n,
out uint renderbuffers
);
private CreateRenderbuffers glCreateRenderbuffers;
[UnmanagedFunctionPointer(CallingConvention.StdCall)]
private delegate void DeleteRenderbuffers(
int n,
ref uint renderbuffers
);
private DeleteRenderbuffers glDeleteRenderbuffers;
[UnmanagedFunctionPointer(CallingConvention.StdCall)]
private delegate void NamedRenderbufferStorage(
uint renderbuffer,
GLenum internalformat,
int width,
int height
);
private NamedRenderbufferStorage glNamedRenderbufferStorage;
[UnmanagedFunctionPointer(CallingConvention.StdCall)]
private delegate void NamedRenderbufferStorageMultisample(
uint renderbuffer,
int samples,
GLenum internalformat,
int width,
int height
);
private NamedRenderbufferStorageMultisample glNamedRenderbufferStorageMultisample;
/* END FRAMEBUFFER FUNCTIONS */
/* BEGIN VERTEX ATTRIBUTE FUNCTIONS */
[UnmanagedFunctionPointer(CallingConvention.StdCall)]
private delegate void VertexAttribPointer(
int index,
int size,
GLenum type,
bool normalized,
int stride,
IntPtr pointer
);
private VertexAttribPointer glVertexAttribPointer;
[UnmanagedFunctionPointer(CallingConvention.StdCall)]
private delegate void VertexAttribDivisor(
int index,
int divisor
);
private VertexAttribDivisor glVertexAttribDivisor;
[UnmanagedFunctionPointer(CallingConvention.StdCall)]
private delegate void EnableVertexAttribArray(int index);
private EnableVertexAttribArray glEnableVertexAttribArray;
[UnmanagedFunctionPointer(CallingConvention.StdCall)]
private delegate void DisableVertexAttribArray(int index);
private DisableVertexAttribArray glDisableVertexAttribArray;
/* END VERTEX ATTRIBUTE FUNCTIONS */
/* BEGIN DRAWING FUNCTIONS */
[UnmanagedFunctionPointer(CallingConvention.StdCall)]
private delegate void DrawRangeElements(
GLenum mode,
int start,
int end,
int count,
GLenum type,
IntPtr indices
);
private DrawRangeElements glDrawRangeElements;
[UnmanagedFunctionPointer(CallingConvention.StdCall)]
private delegate void DrawElementsInstancedBaseVertex(
GLenum mode,
int count,
GLenum type,
IntPtr indices,
int instanceCount,
int baseVertex
);
private DrawElementsInstancedBaseVertex glDrawElementsInstancedBaseVertex;
[UnmanagedFunctionPointer(CallingConvention.StdCall)]
private delegate void DrawRangeElementsBaseVertex(
GLenum mode,
int start,
int end,
int count,
GLenum type,
IntPtr indices,
int baseVertex
);
private DrawRangeElementsBaseVertex glDrawRangeElementsBaseVertex;
[UnmanagedFunctionPointer(CallingConvention.StdCall)]
private delegate void DrawArrays(
GLenum mode,
int first,
int count
);
private DrawArrays glDrawArrays;
/* END DRAWING FUNCTIONS */
/* BEGIN QUERY FUNCTIONS */
[UnmanagedFunctionPointer(CallingConvention.StdCall)]
private delegate void GenQueries(int n, out uint ids);
private GenQueries glGenQueries;
[UnmanagedFunctionPointer(CallingConvention.StdCall)]
private delegate void DeleteQueries(int n, ref uint ids);
private DeleteQueries glDeleteQueries;
[UnmanagedFunctionPointer(CallingConvention.StdCall)]
private delegate void BeginQuery(GLenum target, uint id);
private BeginQuery glBeginQuery;
[UnmanagedFunctionPointer(CallingConvention.StdCall)]
private delegate void EndQuery(GLenum target);
private EndQuery glEndQuery;
[UnmanagedFunctionPointer(CallingConvention.StdCall)]
private delegate void GetQueryObjectuiv(
uint id,
GLenum pname,
out uint param
);
private GetQueryObjectuiv glGetQueryObjectuiv;
/* END QUERY FUNCTIONS */
/* BEGIN 3.2 CORE PROFILE FUNCTIONS */
[UnmanagedFunctionPointer(CallingConvention.StdCall)]
private delegate IntPtr GetStringi(GLenum pname, uint index);
private GetStringi INTERNAL_glGetStringi;
private string glGetStringi(GLenum pname, uint index)
{
unsafe
{
return new string((sbyte*) INTERNAL_glGetStringi(pname, index));
}
}
[UnmanagedFunctionPointer(CallingConvention.StdCall)]
private delegate void GenVertexArrays(int n, out uint arrays);
private GenVertexArrays glGenVertexArrays;
[UnmanagedFunctionPointer(CallingConvention.StdCall)]
private delegate void DeleteVertexArrays(int n, ref uint arrays);
private DeleteVertexArrays glDeleteVertexArrays;
[UnmanagedFunctionPointer(CallingConvention.StdCall)]
private delegate void BindVertexArray(uint array);
private BindVertexArray glBindVertexArray;
/* END 3.2 CORE PROFILE FUNCTIONS */
#if DEBUG
/* BEGIN DEBUG OUTPUT FUNCTIONS */
[UnmanagedFunctionPointer(CallingConvention.StdCall)]
private delegate void DebugMessageCallback(
IntPtr debugCallback,
IntPtr userParam
);
private DebugMessageCallback glDebugMessageCallbackARB;
[UnmanagedFunctionPointer(CallingConvention.StdCall)]
private delegate void DebugMessageControl(
GLenum source,
GLenum type,
GLenum severity,
int count,
IntPtr ids, // const GLuint*
bool enabled
);
private DebugMessageControl glDebugMessageControlARB;
// ARB_debug_output callback
[UnmanagedFunctionPointer(CallingConvention.StdCall)]
private delegate void DebugProc(
GLenum source,
GLenum type,
uint id,
GLenum severity,
int length,
IntPtr message, // const GLchar*
IntPtr userParam // const GLvoid*
);
private DebugProc DebugCall = DebugCallback;
private static void DebugCallback(
GLenum source,
GLenum type,
uint id,
GLenum severity,
int length,
IntPtr message, // const GLchar*
IntPtr userParam // const GLvoid*
) {
string err = (
Marshal.PtrToStringAnsi(message) +
"\n\tSource: " +
source.ToString() +
"\n\tType: " +
type.ToString() +
"\n\tSeverity: " +
severity.ToString()
);
if (type == GLenum.GL_DEBUG_TYPE_ERROR_ARB)
{
FNALoggerEXT.LogError(err);
throw new InvalidOperationException(err);
}
FNALoggerEXT.LogWarn(err);
}
/* END DEBUG OUTPUT FUNCTIONS */
/* BEGIN STRING MARKER FUNCTIONS */
[UnmanagedFunctionPointer(CallingConvention.StdCall)]
private delegate void StringMarkerGREMEDY(int length, IntPtr chars);
private StringMarkerGREMEDY glStringMarkerGREMEDY;
/* END STRING MARKER FUNCTIONS */
#endif
private void LoadGLEntryPoints()
{
string baseErrorString = "OpenGL 4.5 support is required!";
/* Basic entry points. If you don't have these, you're screwed. */
try
{
INTERNAL_glGetString = (GetString) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glGetString"),
typeof(GetString)
);
glGetIntegerv = (GetIntegerv) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glGetIntegerv"),
typeof(GetIntegerv)
);
glEnable = (Enable) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glEnable"),
typeof(Enable)
);
glDisable = (Disable) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glDisable"),
typeof(Disable)
);
glViewport = (G_Viewport) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glViewport"),
typeof(G_Viewport)
);
glDepthRange = (DepthRange) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glDepthRange"),
typeof(DepthRange)
);
glScissor = (Scissor) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glScissor"),
typeof(Scissor)
);
glBlendColor = (BlendColor) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glBlendColor"),
typeof(BlendColor)
);
glBlendFuncSeparate = (BlendFuncSeparate) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glBlendFuncSeparate"),
typeof(BlendFuncSeparate)
);
glBlendEquationSeparate = (BlendEquationSeparate) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glBlendEquationSeparate"),
typeof(BlendEquationSeparate)
);
glColorMask = (ColorMask) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glColorMask"),
typeof(ColorMask)
);
glColorMaski = (ColorMaski) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glColorMaski"),
typeof(ColorMaski)
);
glDepthMask = (DepthMask) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glDepthMask"),
typeof(DepthMask)
);
glDepthFunc = (DepthFunc) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glDepthFunc"),
typeof(DepthFunc)
);
glStencilMask = (StencilMask) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glStencilMask"),
typeof(StencilMask)
);
glStencilFuncSeparate = (StencilFuncSeparate) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glStencilFuncSeparate"),
typeof(StencilFuncSeparate)
);
glStencilOpSeparate = (StencilOpSeparate) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glStencilOpSeparate"),
typeof(StencilOpSeparate)
);
glStencilFunc = (StencilFunc) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glStencilFunc"),
typeof(StencilFunc)
);
glStencilOp = (StencilOp) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glStencilOp"),
typeof(StencilOp)
);
glFrontFace = (FrontFace) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glFrontFace"),
typeof(FrontFace)
);
glPolygonOffset = (PolygonOffset) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glPolygonOffset"),
typeof(PolygonOffset)
);
glPolygonMode = (PolygonMode) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glPolygonMode"),
typeof(PolygonMode)
);
glCreateTextures = (CreateTextures) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glCreateTextures"),
typeof(CreateTextures)
);
glDeleteTextures = (DeleteTextures) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glDeleteTextures"),
typeof(DeleteTextures)
);
glBindTextureUnit = (BindTextureUnit) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glBindTextureUnit"),
typeof(BindTextureUnit)
);
glTextureStorage2D = (TextureStorage2D) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glTextureStorage2D"),
typeof(TextureStorage2D)
);
glTextureSubImage2D = (TextureSubImage2D) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glTextureSubImage2D"),
typeof(TextureSubImage2D)
);
glCompressedTextureSubImage2D = (CompressedTextureSubImage2D) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glCompressedTextureSubImage2D"),
typeof(CompressedTextureSubImage2D)
);
glTextureStorage3D = (TextureStorage3D) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glTextureStorage3D"),
typeof(TextureStorage3D)
);
glTextureSubImage3D = (TextureSubImage3D) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glTextureSubImage3D"),
typeof(TextureSubImage3D)
);
glCompressedTextureSubImage3D = (CompressedTextureSubImage3D) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glCompressedTextureSubImage3D"),
typeof(CompressedTextureSubImage3D)
);
glGetTextureSubImage = (GetTextureSubImage) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glGetTextureSubImage"),
typeof(GetTextureSubImage)
);
glTextureParameteri = (TextureParameteri) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glTextureParameteri"),
typeof(TextureParameteri)
);
glCreateSamplers = (CreateSamplers) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glCreateSamplers"),
typeof(CreateSamplers)
);
glBindSampler = (BindSampler) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glBindSampler"),
typeof(BindSampler)
);
glSamplerParameteri = (SamplerParameteri) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glSamplerParameteri"),
typeof(SamplerParameteri)
);
glSamplerParameterf = (SamplerParameterf) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glSamplerParameterf"),
typeof(SamplerParameterf)
);
glPixelStorei = (PixelStorei) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glPixelStorei"),
typeof(PixelStorei)
);
glTexEnvi = (TexEnvi) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glTexEnvi"),
typeof(TexEnvi)
);
glCreateBuffers = (CreateBuffers) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glCreateBuffers"),
typeof(CreateBuffers)
);
glDeleteBuffers = (DeleteBuffers) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glDeleteBuffers"),
typeof(DeleteBuffers)
);
glBindBuffer = (BindBuffer) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glBindBuffer"),
typeof(BindBuffer)
);
glNamedBufferData = (NamedBufferData) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glNamedBufferData"),
typeof(NamedBufferData)
);
glNamedBufferSubData = (NamedBufferSubData) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glNamedBufferSubData"),
typeof(NamedBufferSubData)
);
glGetNamedBufferSubData = (GetNamedBufferSubData) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glGetNamedBufferSubData"),
typeof(GetNamedBufferSubData)
);
glNamedBufferStorage = (NamedBufferStorage) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glNamedBufferStorage"),
typeof(NamedBufferStorage)
);
glMapNamedBufferRange = (MapNamedBufferRange) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glMapNamedBufferRange"),
typeof(MapNamedBufferRange)
);
glUnmapNamedBuffer = (UnmapNamedBuffer) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glUnmapNamedBuffer"),
typeof(UnmapNamedBuffer)
);
glInvalidateBufferData = (InvalidateBufferData) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glInvalidateBufferData"),
typeof(InvalidateBufferData)
);
glClearColor = (ClearColor) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glClearColor"),
typeof(ClearColor)
);
glClearDepth = (ClearDepth) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glClearDepth"),
typeof(ClearDepth)
);
glClearStencil = (ClearStencil) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glClearStencil"),
typeof(ClearStencil)
);
glClear = (G_Clear) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glClear"),
typeof(G_Clear)
);
glReadPixels = (ReadPixels) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glReadPixels"),
typeof(ReadPixels)
);
glCreateFramebuffers = (CreateFramebuffers) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glCreateFramebuffers"),
typeof(CreateFramebuffers)
);
glDeleteFramebuffers = (DeleteFramebuffers) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glDeleteFramebuffers"),
typeof(DeleteFramebuffers)
);
glBindFramebuffer = (G_BindFramebuffer) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glBindFramebuffer"),
typeof(G_BindFramebuffer)
);
glNamedFramebufferTexture = (NamedFramebufferTexture) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glNamedFramebufferTexture"),
typeof(NamedFramebufferTexture)
);
glNamedFramebufferTextureLayer = (NamedFramebufferTextureLayer) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glNamedFramebufferTextureLayer"),
typeof(NamedFramebufferTextureLayer)
);
glNamedFramebufferRenderbuffer = (NamedFramebufferRenderbuffer) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glNamedFramebufferRenderbuffer"),
typeof(NamedFramebufferRenderbuffer)
);
glNamedFramebufferDrawBuffers = (NamedFramebufferDrawBuffers) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glNamedFramebufferDrawBuffers"),
typeof(NamedFramebufferDrawBuffers)
);
glGenerateTextureMipmap = (GenerateTextureMipmap) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glGenerateTextureMipmap"),
typeof(GenerateTextureMipmap)
);
glCreateRenderbuffers = (CreateRenderbuffers) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glCreateRenderbuffers"),
typeof(CreateRenderbuffers)
);
glDeleteRenderbuffers = (DeleteRenderbuffers) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glDeleteRenderbuffers"),
typeof(DeleteRenderbuffers)
);
glNamedRenderbufferStorage = (NamedRenderbufferStorage) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glNamedRenderbufferStorage"),
typeof(NamedRenderbufferStorage)
);
glNamedRenderbufferStorageMultisample = (NamedRenderbufferStorageMultisample) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glNamedRenderbufferStorageMultisample"),
typeof(NamedRenderbufferStorageMultisample)
);
glSampleMaski = (SampleMaski) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glSampleMaski"),
typeof(SampleMaski)
);
glBlitNamedFramebuffer = (BlitNamedFramebuffer) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glBlitNamedFramebuffer"),
typeof(BlitNamedFramebuffer)
);
glInvalidateNamedFramebufferData = (InvalidateNamedFramebufferData) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glInvalidateNamedFramebufferData"),
typeof(InvalidateNamedFramebufferData)
);
glVertexAttribPointer = (VertexAttribPointer) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glVertexAttribPointer"),
typeof(VertexAttribPointer)
);
glVertexAttribDivisor = (VertexAttribDivisor) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glVertexAttribDivisor"),
typeof(VertexAttribDivisor)
);
glEnableVertexAttribArray = (EnableVertexAttribArray) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glEnableVertexAttribArray"),
typeof(EnableVertexAttribArray)
);
glDisableVertexAttribArray = (DisableVertexAttribArray) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glDisableVertexAttribArray"),
typeof(DisableVertexAttribArray)
);
glDrawArrays = (DrawArrays) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glDrawArrays"),
typeof(DrawArrays)
);
glDrawRangeElements = (DrawRangeElements) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glDrawRangeElements"),
typeof(DrawRangeElements)
);
glDrawRangeElementsBaseVertex = (DrawRangeElementsBaseVertex) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glDrawRangeElementsBaseVertex"),
typeof(DrawRangeElementsBaseVertex)
);
glDrawElementsInstancedBaseVertex = (DrawElementsInstancedBaseVertex) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glDrawElementsInstancedBaseVertex"),
typeof(DrawElementsInstancedBaseVertex)
);
glGenQueries = (GenQueries) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glGenQueries"),
typeof(GenQueries)
);
glDeleteQueries = (DeleteQueries) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glDeleteQueries"),
typeof(DeleteQueries)
);
glBeginQuery = (BeginQuery) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glBeginQuery"),
typeof(BeginQuery)
);
glEndQuery = (EndQuery) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glEndQuery"),
typeof(EndQuery)
);
glGetQueryObjectuiv = (GetQueryObjectuiv) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glGetQueryObjectuiv"),
typeof(GetQueryObjectuiv)
);
}
catch
{
throw new NoSuitableGraphicsDeviceException(baseErrorString);
}
if (useCoreProfile)
{
try
{
INTERNAL_glGetStringi = (GetStringi) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glGetStringi"),
typeof(GetStringi)
);
glGenVertexArrays = (GenVertexArrays) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glGenVertexArrays"),
typeof(GenVertexArrays)
);
glDeleteVertexArrays = (DeleteVertexArrays) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glDeleteVertexArrays"),
typeof(DeleteVertexArrays)
);
glBindVertexArray = (BindVertexArray) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glBindVertexArray"),
typeof(BindVertexArray)
);
}
catch
{
throw new NoSuitableGraphicsDeviceException("OpenGL 3.2 support is required!");
}
}
#if DEBUG
/* ARB_debug_output, for debug contexts */
IntPtr messageCallback = SDL.SDL_GL_GetProcAddress("glDebugMessageCallbackARB");
IntPtr messageControl = SDL.SDL_GL_GetProcAddress("glDebugMessageControlARB");
if (messageCallback == IntPtr.Zero || messageControl == IntPtr.Zero)
{
FNALoggerEXT.LogWarn("ARB_debug_output not supported!");
}
else
{
glDebugMessageCallbackARB = (DebugMessageCallback) Marshal.GetDelegateForFunctionPointer(
messageCallback,
typeof(DebugMessageCallback)
);
glDebugMessageControlARB = (DebugMessageControl) Marshal.GetDelegateForFunctionPointer(
messageControl,
typeof(DebugMessageControl)
);
glDebugMessageControlARB(
GLenum.GL_DONT_CARE,
GLenum.GL_DONT_CARE,
GLenum.GL_DONT_CARE,
0,
IntPtr.Zero,
true
);
glDebugMessageControlARB(
GLenum.GL_DONT_CARE,
GLenum.GL_DEBUG_TYPE_OTHER_ARB,
GLenum.GL_DEBUG_SEVERITY_LOW_ARB,
0,
IntPtr.Zero,
false
);
glDebugMessageControlARB(
GLenum.GL_DONT_CARE,
GLenum.GL_DEBUG_TYPE_OTHER_ARB,
GLenum.GL_DEBUG_SEVERITY_NOTIFICATION_ARB,
0,
IntPtr.Zero,
false
);
glDebugMessageCallbackARB(Marshal.GetFunctionPointerForDelegate(DebugCall), IntPtr.Zero);
}
/* GREMEDY_string_marker, for apitrace */
IntPtr stringMarkerCallback = SDL.SDL_GL_GetProcAddress("glStringMarkerGREMEDY");
if (stringMarkerCallback == IntPtr.Zero)
{
FNALoggerEXT.LogWarn("GREMEDY_string_marker not supported!");
}
else
{
glStringMarkerGREMEDY = (StringMarkerGREMEDY) Marshal.GetDelegateForFunctionPointer(
stringMarkerCallback,
typeof(StringMarkerGREMEDY)
);
}
#endif
}
#endregion
}
}