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Progress on OpenGL portion.

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This commit is contained in:
Harrison Deng 2020-05-28 00:55:23 -05:00
parent af7c1b37f9
commit d1ed96e7ed
11 changed files with 960 additions and 88 deletions
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27
src/SlatedGameToolkit.Framework/GameEngine.cs
View File

@ -26,18 +26,23 @@ namespace SlatedGameToolkit.Framework {
/// <summary> /// <summary>
/// The amount of updates per second. /// The amount of updates per second.
/// Is floored to milleseconds. ///
/// Maximum updates per second is 200. /// If greater than 0, game loop updates will be fixed (time steps).
/// More specifically, it will figure out how many updates to perform per frame to allow for physics steps
/// to be calculated based on a constant time step.
///
/// If set to 0 or less, updates will be as fast as possible.
/// </summary> /// </summary>
/// <value>The updates per second.</value> /// <value>The updates per second.</value>
public static double UpdatesPerSecond { public static double UpdatesPerSecond {
get { get {
if (updateDeltaTime.TotalSeconds <= 0) return 0;
return 1d / updateDeltaTime.TotalSeconds; return 1d / updateDeltaTime.TotalSeconds;
} }
set { set {
lock (deltaUpdateLock) { lock (deltaUpdateLock) {
if (1 / value < 0.005) { if (value <= 0) {
updateDeltaTime = TimeSpan.FromSeconds(1d/200d); updateDeltaTime = TimeSpan.FromSeconds(0);
} else { } else {
updateDeltaTime = TimeSpan.FromSeconds(1d/value); updateDeltaTime = TimeSpan.FromSeconds(1d/value);
} }
@ -48,18 +53,18 @@ namespace SlatedGameToolkit.Framework {
/// <summary> /// <summary>
/// The target frames per second. Will not go above this number, but may dip below this number. /// The target frames per second. Will not go above this number, but may dip below this number.
/// This value is floored to millesconds units.
/// Setting this to 0 renders as many frames as the system can handle. /// Setting this to 0 renders as many frames as the system can handle.
/// Default is 60. /// Default is 60.
/// </summary> /// </summary>
/// <value>The target frames per second.</value> /// <value>The target frames per second.</value>
public static double targetFPS { public static double targetFPS {
get { get {
if (frameDeltaTime.TotalSeconds <= 0) return 0;
return 1 / frameDeltaTime.TotalSeconds; return 1 / frameDeltaTime.TotalSeconds;
} }
set { set {
lock (deltaUpdateLock) { lock (deltaUpdateLock) {
if (value == 0) { if (value <= 0) {
frameDeltaTime = TimeSpan.FromSeconds(0); frameDeltaTime = TimeSpan.FromSeconds(0);
} else { } else {
frameDeltaTime = TimeSpan.FromSeconds(1d/value); frameDeltaTime = TimeSpan.FromSeconds(1d/value);
@ -96,8 +101,6 @@ namespace SlatedGameToolkit.Framework {
TimeSpan difference = frameStart - currentTime; TimeSpan difference = frameStart - currentTime;
currentTime = frameStart; currentTime = frameStart;
timePassedFromLastUpdate += difference;
while (timePassedFromLastUpdate > updateDeltaTime) {
//Events //Events
SDL.SDL_Event SDL_Event; SDL.SDL_Event SDL_Event;
while (SDL.SDL_PollEvent(out SDL_Event) != 0) { while (SDL.SDL_PollEvent(out SDL_Event) != 0) {
@ -152,15 +155,19 @@ namespace SlatedGameToolkit.Framework {
break; break;
} }
} }
timePassedFromLastUpdate += difference;
while (timePassedFromLastUpdate > updateDeltaTime) {
//Updates. //Updates.
manager.update(updateDeltaTime.TotalMilliseconds); manager.update(updateDeltaTime.TotalMilliseconds <= 0 ? timePassedFromLastUpdate.TotalSeconds : updateDeltaTime.TotalSeconds);
timePassedFromLastUpdate -= updateDeltaTime; timePassedFromLastUpdate -= updateDeltaTime;
if (updateDeltaTime.TotalSeconds <= 0) break;
} }
timePassedFromLastRender += difference; timePassedFromLastRender += difference;
if (timePassedFromLastRender > frameDeltaTime) { if (timePassedFromLastRender > frameDeltaTime) {
//Draw calls. //Draw calls.
manager.render(timePassedFromLastUpdate.TotalMilliseconds / updateDeltaTime.TotalMilliseconds); manager.render(timePassedFromLastUpdate.TotalSeconds);
timePassedFromLastRender = TimeSpan.Zero; timePassedFromLastRender = TimeSpan.Zero;
} }
} }

6
src/SlatedGameToolkit.Framework/Graphics/GLFunctionTypes.cs
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@ -1,6 +0,0 @@
namespace SlatedGameToolkit.Framework.Graphics
{
public delegate void GLClearColour(float r, float g, float b);
public delegate void GLClear(uint flags);
public delegate void GLViewport(int x, int y, int width, int height);
}

8
src/SlatedGameToolkit.Framework/Graphics/Meshes/IMeshable.cs Normal file
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@ -0,0 +1,8 @@
namespace SlatedGameToolkit.Framework.Graphics.Meshes
{
public interface IMeshable
{
float[] Vertices { get; }
float[] Elements { get; }
}
}

811
src/SlatedGameToolkit.Framework/Graphics/OpenGL/GLEnums.cs Normal file
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@ -0,0 +1,811 @@
namespace SlatedGameToolkit.Framework.Graphics.OpenGL
{
internal enum GLEnums: uint {
GL_DEPTH_BUFFER_BIT = 0x00000100,
GL_STENCIL_BUFFER_BIT = 0x00000400,
GL_COLOR_BUFFER_BIT = 0x00004000,
GL_FALSE = 0,
GL_TRUE = 1,
GL_POINTS = 0x0000,
GL_LINES = 0x0001,
GL_LINE_LOOP = 0x0002,
GL_LINE_STRIP = 0x0003,
GL_TRIANGLES = 0x0004,
GL_TRIANGLE_STRIP = 0x0005,
GL_TRIANGLE_FAN = 0x0006,
GL_QUADS = 0x0007,
GL_NEVER = 0x0200,
GL_LESS = 0x0201,
GL_EQUAL = 0x0202,
GL_LEQUAL = 0x0203,
GL_GREATER = 0x0204,
GL_NOTEQUAL = 0x0205,
GL_GEQUAL = 0x0206,
GL_ALWAYS = 0x0207,
GL_ZERO = 0,
GL_ONE = 1,
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_NONE = 0,
GL_FRONT_LEFT = 0x0400,
GL_FRONT_RIGHT = 0x0401,
GL_BACK_LEFT = 0x0402,
GL_BACK_RIGHT = 0x0403,
GL_FRONT = 0x0404,
GL_BACK = 0x0405,
GL_LEFT = 0x0406,
GL_RIGHT = 0x0407,
GL_FRONT_AND_BACK = 0x0408,
GL_NO_ERROR = 0,
GL_INVALID_ENUM = 0x0500,
GL_INVALID_VALUE = 0x0501,
GL_INVALID_OPERATION = 0x0502,
GL_OUT_OF_MEMORY = 0x0505,
GL_CW = 0x0900,
GL_CCW = 0x0901,
GL_POINT_SIZE = 0x0B11,
GL_POINT_SIZE_RANGE = 0x0B12,
GL_POINT_SIZE_GRANULARITY = 0x0B13,
GL_LINE_SMOOTH = 0x0B20,
GL_LINE_WIDTH = 0x0B21,
GL_LINE_WIDTH_RANGE = 0x0B22,
GL_LINE_WIDTH_GRANULARITY = 0x0B23,
GL_POLYGON_MODE = 0x0B40,
GL_POLYGON_SMOOTH = 0x0B41,
GL_CULL_FACE = 0x0B44,
GL_CULL_FACE_MODE = 0x0B45,
GL_FRONT_FACE = 0x0B46,
GL_DEPTH_RANGE = 0x0B70,
GL_DEPTH_TEST = 0x0B71,
GL_DEPTH_WRITEMASK = 0x0B72,
GL_DEPTH_CLEAR_VALUE = 0x0B73,
GL_DEPTH_FUNC = 0x0B74,
GL_STENCIL_TEST = 0x0B90,
GL_STENCIL_CLEAR_VALUE = 0x0B91,
GL_STENCIL_FUNC = 0x0B92,
GL_STENCIL_VALUE_MASK = 0x0B93,
GL_STENCIL_FAIL = 0x0B94,
GL_STENCIL_PASS_DEPTH_FAIL = 0x0B95,
GL_STENCIL_PASS_DEPTH_PASS = 0x0B96,
GL_STENCIL_REF = 0x0B97,
GL_STENCIL_WRITEMASK = 0x0B98,
GL_VIEWPORT = 0x0BA2,
GL_DITHER = 0x0BD0,
GL_BLEND_DST = 0x0BE0,
GL_BLEND_SRC = 0x0BE1,
GL_BLEND = 0x0BE2,
GL_LOGIC_OP_MODE = 0x0BF0,
GL_DRAW_BUFFER = 0x0C01,
GL_READ_BUFFER = 0x0C02,
GL_SCISSOR_BOX = 0x0C10,
GL_SCISSOR_TEST = 0x0C11,
GL_COLOR_CLEAR_VALUE = 0x0C22,
GL_COLOR_WRITEMASK = 0x0C23,
GL_DOUBLEBUFFER = 0x0C32,
GL_STEREO = 0x0C33,
GL_LINE_SMOOTH_HINT = 0x0C52,
GL_POLYGON_SMOOTH_HINT = 0x0C53,
GL_UNPACK_SWAP_BYTES = 0x0CF0,
GL_UNPACK_LSB_FIRST = 0x0CF1,
GL_UNPACK_ROW_LENGTH = 0x0CF2,
GL_UNPACK_SKIP_ROWS = 0x0CF3,
GL_UNPACK_SKIP_PIXELS = 0x0CF4,
GL_UNPACK_ALIGNMENT = 0x0CF5,
GL_PACK_SWAP_BYTES = 0x0D00,
GL_PACK_LSB_FIRST = 0x0D01,
GL_PACK_ROW_LENGTH = 0x0D02,
GL_PACK_SKIP_ROWS = 0x0D03,
GL_PACK_SKIP_PIXELS = 0x0D04,
GL_PACK_ALIGNMENT = 0x0D05,
GL_MAX_TEXTURE_SIZE = 0x0D33,
GL_MAX_VIEWPORT_DIMS = 0x0D3A,
GL_SUBPIXEL_BITS = 0x0D50,
GL_TEXTURE_1D = 0x0DE0,
GL_TEXTURE_2D = 0x0DE1,
GL_TEXTURE_WIDTH = 0x1000,
GL_TEXTURE_HEIGHT = 0x1001,
GL_TEXTURE_BORDER_COLOR = 0x1004,
GL_DONT_CARE = 0x1100,
GL_FASTEST = 0x1101,
GL_NICEST = 0x1102,
GL_BYTE = 0x1400,
GL_UNSIGNED_BYTE = 0x1401,
GL_SHORT = 0x1402,
GL_UNSIGNED_SHORT = 0x1403,
GL_INT = 0x1404,
GL_UNSIGNED_INT = 0x1405,
GL_FLOAT = 0x1406,
GL_STACK_OVERFLOW = 0x0503,
GL_STACK_UNDERFLOW = 0x0504,
GL_CLEAR = 0x1500,
GL_AND = 0x1501,
GL_AND_REVERSE = 0x1502,
GL_COPY = 0x1503,
GL_AND_INVERTED = 0x1504,
GL_NOOP = 0x1505,
GL_XOR = 0x1506,
GL_OR = 0x1507,
GL_NOR = 0x1508,
GL_EQUIV = 0x1509,
GL_INVERT = 0x150A,
GL_OR_REVERSE = 0x150B,
GL_COPY_INVERTED = 0x150C,
GL_OR_INVERTED = 0x150D,
GL_NAND = 0x150E,
GL_SET = 0x150F,
GL_TEXTURE = 0x1702,
GL_COLOR = 0x1800,
GL_DEPTH = 0x1801,
GL_STENCIL = 0x1802,
GL_STENCIL_INDEX = 0x1901,
GL_DEPTH_COMPONENT = 0x1902,
GL_RED = 0x1903,
GL_GREEN = 0x1904,
GL_BLUE = 0x1905,
GL_ALPHA = 0x1906,
GL_RGB = 0x1907,
GL_RGBA = 0x1908,
GL_POINT = 0x1B00,
GL_LINE = 0x1B01,
GL_FILL = 0x1B02,
GL_KEEP = 0x1E00,
GL_REPLACE = 0x1E01,
GL_INCR = 0x1E02,
GL_DECR = 0x1E03,
GL_VENDOR = 0x1F00,
GL_RENDERER = 0x1F01,
GL_VERSION = 0x1F02,
GL_EXTENSIONS = 0x1F03,
GL_NEAREST = 0x2600,
GL_LINEAR = 0x2601,
GL_NEAREST_MIPMAP_NEAREST = 0x2700,
GL_LINEAR_MIPMAP_NEAREST = 0x2701,
GL_NEAREST_MIPMAP_LINEAR = 0x2702,
GL_LINEAR_MIPMAP_LINEAR = 0x2703,
GL_TEXTURE_MAG_FILTER = 0x2800,
GL_TEXTURE_MIN_FILTER = 0x2801,
GL_TEXTURE_WRAP_S = 0x2802,
GL_TEXTURE_WRAP_T = 0x2803,
GL_REPEAT = 0x2901,
GL_COLOR_LOGIC_OP = 0x0BF2,
GL_POLYGON_OFFSET_UNITS = 0x2A00,
GL_POLYGON_OFFSET_POINT = 0x2A01,
GL_POLYGON_OFFSET_LINE = 0x2A02,
GL_POLYGON_OFFSET_FILL = 0x8037,
GL_POLYGON_OFFSET_FACTOR = 0x8038,
GL_TEXTURE_BINDING_1D = 0x8068,
GL_TEXTURE_BINDING_2D = 0x8069,
GL_TEXTURE_INTERNAL_FORMAT = 0x1003,
GL_TEXTURE_RED_SIZE = 0x805C,
GL_TEXTURE_GREEN_SIZE = 0x805D,
GL_TEXTURE_BLUE_SIZE = 0x805E,
GL_TEXTURE_ALPHA_SIZE = 0x805F,
GL_DOUBLE = 0x140A,
GL_PROXY_TEXTURE_1D = 0x8063,
GL_PROXY_TEXTURE_2D = 0x8064,
GL_R3_G3_B2 = 0x2A10,
GL_RGB4 = 0x804F,
GL_RGB5 = 0x8050,
GL_RGB8 = 0x8051,
GL_RGB10 = 0x8052,
GL_RGB12 = 0x8053,
GL_RGB16 = 0x8054,
GL_RGBA2 = 0x8055,
GL_RGBA4 = 0x8056,
GL_RGB5_A1 = 0x8057,
GL_RGBA8 = 0x8058,
GL_RGB10_A2 = 0x8059,
GL_RGBA12 = 0x805A,
GL_RGBA16 = 0x805B,
GL_VERTEX_ARRAY = 0x8074,
GL_UNSIGNED_BYTE_3_3_2 = 0x8032,
GL_UNSIGNED_SHORT_4_4_4_4 = 0x8033,
GL_UNSIGNED_SHORT_5_5_5_1 = 0x8034,
GL_UNSIGNED_INT_8_8_8_8 = 0x8035,
GL_UNSIGNED_INT_10_10_10_2 = 0x8036,
GL_TEXTURE_BINDING_3D = 0x806A,
GL_PACK_SKIP_IMAGES = 0x806B,
GL_PACK_IMAGE_HEIGHT = 0x806C,
GL_UNPACK_SKIP_IMAGES = 0x806D,
GL_UNPACK_IMAGE_HEIGHT = 0x806E,
GL_TEXTURE_3D = 0x806F,
GL_PROXY_TEXTURE_3D = 0x8070,
GL_TEXTURE_DEPTH = 0x8071,
GL_TEXTURE_WRAP_R = 0x8072,
GL_MAX_3D_TEXTURE_SIZE = 0x8073,
GL_UNSIGNED_BYTE_2_3_3_REV = 0x8362,
GL_UNSIGNED_SHORT_5_6_5 = 0x8363,
GL_UNSIGNED_SHORT_5_6_5_REV = 0x8364,
GL_UNSIGNED_SHORT_4_4_4_4_REV = 0x8365,
GL_UNSIGNED_SHORT_1_5_5_5_REV = 0x8366,
GL_UNSIGNED_INT_8_8_8_8_REV = 0x8367,
GL_UNSIGNED_INT_2_10_10_10_REV = 0x8368,
GL_BGR = 0x80E0,
GL_BGRA = 0x80E1,
GL_MAX_ELEMENTS_VERTICES = 0x80E8,
GL_MAX_ELEMENTS_INDICES = 0x80E9,
GL_CLAMP_TO_EDGE = 0x812F,
GL_TEXTURE_MIN_LOD = 0x813A,
GL_TEXTURE_MAX_LOD = 0x813B,
GL_TEXTURE_BASE_LEVEL = 0x813C,
GL_TEXTURE_MAX_LEVEL = 0x813D,
GL_SMOOTH_POINT_SIZE_RANGE = 0x0B12,
GL_SMOOTH_POINT_SIZE_GRANULARITY = 0x0B13,
GL_SMOOTH_LINE_WIDTH_RANGE = 0x0B22,
GL_SMOOTH_LINE_WIDTH_GRANULARITY = 0x0B23,
GL_ALIASED_LINE_WIDTH_RANGE = 0x846E,
GL_TEXTURE0 = 0x84C0,
GL_TEXTURE1 = 0x84C1,
GL_TEXTURE2 = 0x84C2,
GL_TEXTURE3 = 0x84C3,
GL_TEXTURE4 = 0x84C4,
GL_TEXTURE5 = 0x84C5,
GL_TEXTURE6 = 0x84C6,
GL_TEXTURE7 = 0x84C7,
GL_TEXTURE8 = 0x84C8,
GL_TEXTURE9 = 0x84C9,
GL_TEXTURE10 = 0x84CA,
GL_TEXTURE11 = 0x84CB,
GL_TEXTURE12 = 0x84CC,
GL_TEXTURE13 = 0x84CD,
GL_TEXTURE14 = 0x84CE,
GL_TEXTURE15 = 0x84CF,
GL_TEXTURE16 = 0x84D0,
GL_TEXTURE17 = 0x84D1,
GL_TEXTURE18 = 0x84D2,
GL_TEXTURE19 = 0x84D3,
GL_TEXTURE20 = 0x84D4,
GL_TEXTURE21 = 0x84D5,
GL_TEXTURE22 = 0x84D6,
GL_TEXTURE23 = 0x84D7,
GL_TEXTURE24 = 0x84D8,
GL_TEXTURE25 = 0x84D9,
GL_TEXTURE26 = 0x84DA,
GL_TEXTURE27 = 0x84DB,
GL_TEXTURE28 = 0x84DC,
GL_TEXTURE29 = 0x84DD,
GL_TEXTURE30 = 0x84DE,
GL_TEXTURE31 = 0x84DF,
GL_ACTIVE_TEXTURE = 0x84E0,
GL_MULTISAMPLE = 0x809D,
GL_SAMPLE_ALPHA_TO_COVERAGE = 0x809E,
GL_SAMPLE_ALPHA_TO_ONE = 0x809F,
GL_SAMPLE_COVERAGE = 0x80A0,
GL_SAMPLE_BUFFERS = 0x80A8,
GL_SAMPLES = 0x80A9,
GL_SAMPLE_COVERAGE_VALUE = 0x80AA,
GL_SAMPLE_COVERAGE_INVERT = 0x80AB,
GL_TEXTURE_CUBE_MAP = 0x8513,
GL_TEXTURE_BINDING_CUBE_MAP = 0x8514,
GL_TEXTURE_CUBE_MAP_POSITIVE_X = 0x8515,
GL_TEXTURE_CUBE_MAP_NEGATIVE_X = 0x8516,
GL_TEXTURE_CUBE_MAP_POSITIVE_Y = 0x8517,
GL_TEXTURE_CUBE_MAP_NEGATIVE_Y = 0x8518,
GL_TEXTURE_CUBE_MAP_POSITIVE_Z = 0x8519,
GL_TEXTURE_CUBE_MAP_NEGATIVE_Z = 0x851A,
GL_PROXY_TEXTURE_CUBE_MAP = 0x851B,
GL_MAX_CUBE_MAP_TEXTURE_SIZE = 0x851C,
GL_COMPRESSED_RGB = 0x84ED,
GL_COMPRESSED_RGBA = 0x84EE,
GL_TEXTURE_COMPRESSION_HINT = 0x84EF,
GL_TEXTURE_COMPRESSED_IMAGE_SIZE = 0x86A0,
GL_TEXTURE_COMPRESSED = 0x86A1,
GL_NUM_COMPRESSED_TEXTURE_FORMATS = 0x86A2,
GL_COMPRESSED_TEXTURE_FORMATS = 0x86A3,
GL_CLAMP_TO_BORDER = 0x812D,
GL_BLEND_DST_RGB = 0x80C8,
GL_BLEND_SRC_RGB = 0x80C9,
GL_BLEND_DST_ALPHA = 0x80CA,
GL_BLEND_SRC_ALPHA = 0x80CB,
GL_POINT_FADE_THRESHOLD_SIZE = 0x8128,
GL_DEPTH_COMPONENT16 = 0x81A5,
GL_DEPTH_COMPONENT24 = 0x81A6,
GL_DEPTH_COMPONENT32 = 0x81A7,
GL_MIRRORED_REPEAT = 0x8370,
GL_MAX_TEXTURE_LOD_BIAS = 0x84FD,
GL_TEXTURE_LOD_BIAS = 0x8501,
GL_INCR_WRAP = 0x8507,
GL_DECR_WRAP = 0x8508,
GL_TEXTURE_DEPTH_SIZE = 0x884A,
GL_TEXTURE_COMPARE_MODE = 0x884C,
GL_TEXTURE_COMPARE_FUNC = 0x884D,
GL_BLEND_COLOR = 0x8005,
GL_BLEND_EQUATION = 0x8009,
GL_CONSTANT_COLOR = 0x8001,
GL_ONE_MINUS_CONSTANT_COLOR = 0x8002,
GL_CONSTANT_ALPHA = 0x8003,
GL_ONE_MINUS_CONSTANT_ALPHA = 0x8004,
GL_FUNC_ADD = 0x8006,
GL_FUNC_REVERSE_SUBTRACT = 0x800B,
GL_FUNC_SUBTRACT = 0x800A,
GL_MIN = 0x8007,
GL_MAX = 0x8008,
GL_BUFFER_SIZE = 0x8764,
GL_BUFFER_USAGE = 0x8765,
GL_QUERY_COUNTER_BITS = 0x8864,
GL_CURRENT_QUERY = 0x8865,
GL_QUERY_RESULT = 0x8866,
GL_QUERY_RESULT_AVAILABLE = 0x8867,
GL_ARRAY_BUFFER = 0x8892,
GL_ELEMENT_ARRAY_BUFFER = 0x8893,
GL_ARRAY_BUFFER_BINDING = 0x8894,
GL_ELEMENT_ARRAY_BUFFER_BINDING = 0x8895,
GL_VERTEX_ATTRIB_ARRAY_BUFFER_BINDING = 0x889F,
GL_READ_ONLY = 0x88B8,
GL_WRITE_ONLY = 0x88B9,
GL_READ_WRITE = 0x88BA,
GL_BUFFER_ACCESS = 0x88BB,
GL_BUFFER_MAPPED = 0x88BC,
GL_BUFFER_MAP_POINTER = 0x88BD,
GL_STREAM_DRAW = 0x88E0,
GL_STREAM_READ = 0x88E1,
GL_STREAM_COPY = 0x88E2,
GL_STATIC_DRAW = 0x88E4,
GL_STATIC_READ = 0x88E5,
GL_STATIC_COPY = 0x88E6,
GL_DYNAMIC_DRAW = 0x88E8,
GL_DYNAMIC_READ = 0x88E9,
GL_DYNAMIC_COPY = 0x88EA,
GL_SAMPLES_PASSED = 0x8914,
GL_SRC1_ALPHA = 0x8589,
GL_BLEND_EQUATION_RGB = 0x8009,
GL_VERTEX_ATTRIB_ARRAY_ENABLED = 0x8622,
GL_VERTEX_ATTRIB_ARRAY_SIZE = 0x8623,
GL_VERTEX_ATTRIB_ARRAY_STRIDE = 0x8624,
GL_VERTEX_ATTRIB_ARRAY_TYPE = 0x8625,
GL_CURRENT_VERTEX_ATTRIB = 0x8626,
GL_VERTEX_PROGRAM_POINT_SIZE = 0x8642,
GL_VERTEX_ATTRIB_ARRAY_POINTER = 0x8645,
GL_STENCIL_BACK_FUNC = 0x8800,
GL_STENCIL_BACK_FAIL = 0x8801,
GL_STENCIL_BACK_PASS_DEPTH_FAIL = 0x8802,
GL_STENCIL_BACK_PASS_DEPTH_PASS = 0x8803,
GL_MAX_DRAW_BUFFERS = 0x8824,
GL_DRAW_BUFFER0 = 0x8825,
GL_DRAW_BUFFER1 = 0x8826,
GL_DRAW_BUFFER2 = 0x8827,
GL_DRAW_BUFFER3 = 0x8828,
GL_DRAW_BUFFER4 = 0x8829,
GL_DRAW_BUFFER5 = 0x882A,
GL_DRAW_BUFFER6 = 0x882B,
GL_DRAW_BUFFER7 = 0x882C,
GL_DRAW_BUFFER8 = 0x882D,
GL_DRAW_BUFFER9 = 0x882E,
GL_DRAW_BUFFER10 = 0x882F,
GL_DRAW_BUFFER11 = 0x8830,
GL_DRAW_BUFFER12 = 0x8831,
GL_DRAW_BUFFER13 = 0x8832,
GL_DRAW_BUFFER14 = 0x8833,
GL_DRAW_BUFFER15 = 0x8834,
GL_BLEND_EQUATION_ALPHA = 0x883D,
GL_MAX_VERTEX_ATTRIBS = 0x8869,
GL_VERTEX_ATTRIB_ARRAY_NORMALIZED = 0x886A,
GL_MAX_TEXTURE_IMAGE_UNITS = 0x8872,
GL_FRAGMENT_SHADER = 0x8B30,
GL_VERTEX_SHADER = 0x8B31,
GL_MAX_FRAGMENT_UNIFORM_COMPONENTS = 0x8B49,
GL_MAX_VERTEX_UNIFORM_COMPONENTS = 0x8B4A,
GL_MAX_VARYING_FLOATS = 0x8B4B,
GL_MAX_VERTEX_TEXTURE_IMAGE_UNITS = 0x8B4C,
GL_MAX_COMBINED_TEXTURE_IMAGE_UNITS = 0x8B4D,
GL_SHADER_TYPE = 0x8B4F,
GL_FLOAT_VEC2 = 0x8B50,
GL_FLOAT_VEC3 = 0x8B51,
GL_FLOAT_VEC4 = 0x8B52,
GL_INT_VEC2 = 0x8B53,
GL_INT_VEC3 = 0x8B54,
GL_INT_VEC4 = 0x8B55,
GL_BOOL = 0x8B56,
GL_BOOL_VEC2 = 0x8B57,
GL_BOOL_VEC3 = 0x8B58,
GL_BOOL_VEC4 = 0x8B59,
GL_FLOAT_MAT2 = 0x8B5A,
GL_FLOAT_MAT3 = 0x8B5B,
GL_FLOAT_MAT4 = 0x8B5C,
GL_SAMPLER_1D = 0x8B5D,
GL_SAMPLER_2D = 0x8B5E,
GL_SAMPLER_3D = 0x8B5F,
GL_SAMPLER_CUBE = 0x8B60,
GL_SAMPLER_1D_SHADOW = 0x8B61,
GL_SAMPLER_2D_SHADOW = 0x8B62,
GL_DELETE_STATUS = 0x8B80,
GL_COMPILE_STATUS = 0x8B81,
GL_LINK_STATUS = 0x8B82,
GL_VALIDATE_STATUS = 0x8B83,
GL_INFO_LOG_LENGTH = 0x8B84,
GL_ATTACHED_SHADERS = 0x8B85,
GL_ACTIVE_UNIFORMS = 0x8B86,
GL_ACTIVE_UNIFORM_MAX_LENGTH = 0x8B87,
GL_SHADER_SOURCE_LENGTH = 0x8B88,
GL_ACTIVE_ATTRIBUTES = 0x8B89,
GL_ACTIVE_ATTRIBUTE_MAX_LENGTH = 0x8B8A,
GL_FRAGMENT_SHADER_DERIVATIVE_HINT = 0x8B8B,
GL_SHADING_LANGUAGE_VERSION = 0x8B8C,
GL_CURRENT_PROGRAM = 0x8B8D,
GL_POINT_SPRITE_COORD_ORIGIN = 0x8CA0,
GL_LOWER_LEFT = 0x8CA1,
GL_UPPER_LEFT = 0x8CA2,
GL_STENCIL_BACK_REF = 0x8CA3,
GL_STENCIL_BACK_VALUE_MASK = 0x8CA4,
GL_STENCIL_BACK_WRITEMASK = 0x8CA5,
GL_PIXEL_PACK_BUFFER = 0x88EB,
GL_PIXEL_UNPACK_BUFFER = 0x88EC,
GL_PIXEL_PACK_BUFFER_BINDING = 0x88ED,
GL_PIXEL_UNPACK_BUFFER_BINDING = 0x88EF,
GL_FLOAT_MAT2x3 = 0x8B65,
GL_FLOAT_MAT2x4 = 0x8B66,
GL_FLOAT_MAT3x2 = 0x8B67,
GL_FLOAT_MAT3x4 = 0x8B68,
GL_FLOAT_MAT4x2 = 0x8B69,
GL_FLOAT_MAT4x3 = 0x8B6A,
GL_SRGB = 0x8C40,
GL_SRGB8 = 0x8C41,
GL_SRGB_ALPHA = 0x8C42,
GL_SRGB8_ALPHA8 = 0x8C43,
GL_COMPRESSED_SRGB = 0x8C48,
GL_COMPRESSED_SRGB_ALPHA = 0x8C49,
GL_COMPARE_REF_TO_TEXTURE = 0x884E,
GL_CLIP_DISTANCE0 = 0x3000,
GL_CLIP_DISTANCE1 = 0x3001,
GL_CLIP_DISTANCE2 = 0x3002,
GL_CLIP_DISTANCE3 = 0x3003,
GL_CLIP_DISTANCE4 = 0x3004,
GL_CLIP_DISTANCE5 = 0x3005,
GL_CLIP_DISTANCE6 = 0x3006,
GL_CLIP_DISTANCE7 = 0x3007,
GL_MAX_CLIP_DISTANCES = 0x0D32,
GL_MAJOR_VERSION = 0x821B,
GL_MINOR_VERSION = 0x821C,
GL_NUM_EXTENSIONS = 0x821D,
GL_CONTEXT_FLAGS = 0x821E,
GL_COMPRESSED_RED = 0x8225,
GL_COMPRESSED_RG = 0x8226,
GL_CONTEXT_FLAG_FORWARD_COMPATIBLE_BIT = 0x00000001,
GL_RGBA32F = 0x8814,
GL_RGB32F = 0x8815,
GL_RGBA16F = 0x881A,
GL_RGB16F = 0x881B,
GL_VERTEX_ATTRIB_ARRAY_INTEGER = 0x88FD,
GL_MAX_ARRAY_TEXTURE_LAYERS = 0x88FF,
GL_MIN_PROGRAM_TEXEL_OFFSET = 0x8904,
GL_MAX_PROGRAM_TEXEL_OFFSET = 0x8905,
GL_CLAMP_READ_COLOR = 0x891C,
GL_FIXED_ONLY = 0x891D,
GL_MAX_VARYING_COMPONENTS = 0x8B4B,
GL_TEXTURE_1D_ARRAY = 0x8C18,
GL_PROXY_TEXTURE_1D_ARRAY = 0x8C19,
GL_TEXTURE_2D_ARRAY = 0x8C1A,
GL_PROXY_TEXTURE_2D_ARRAY = 0x8C1B,
GL_TEXTURE_BINDING_1D_ARRAY = 0x8C1C,
GL_TEXTURE_BINDING_2D_ARRAY = 0x8C1D,
GL_R11F_G11F_B10F = 0x8C3A,
GL_UNSIGNED_INT_10F_11F_11F_REV = 0x8C3B,
GL_RGB9_E5 = 0x8C3D,
GL_UNSIGNED_INT_5_9_9_9_REV = 0x8C3E,
GL_TEXTURE_SHARED_SIZE = 0x8C3F,
GL_TRANSFORM_FEEDBACK_VARYING_MAX_LENGTH = 0x8C76,
GL_TRANSFORM_FEEDBACK_BUFFER_MODE = 0x8C7F,
GL_MAX_TRANSFORM_FEEDBACK_SEPARATE_COMPONENTS = 0x8C80,
GL_TRANSFORM_FEEDBACK_VARYINGS = 0x8C83,
GL_TRANSFORM_FEEDBACK_BUFFER_START = 0x8C84,
GL_TRANSFORM_FEEDBACK_BUFFER_SIZE = 0x8C85,
GL_PRIMITIVES_GENERATED = 0x8C87,
GL_TRANSFORM_FEEDBACK_PRIMITIVES_WRITTEN = 0x8C88,
GL_RASTERIZER_DISCARD = 0x8C89,
GL_MAX_TRANSFORM_FEEDBACK_INTERLEAVED_COMPONENTS = 0x8C8A,
GL_MAX_TRANSFORM_FEEDBACK_SEPARATE_ATTRIBS = 0x8C8B,
GL_INTERLEAVED_ATTRIBS = 0x8C8C,
GL_SEPARATE_ATTRIBS = 0x8C8D,
GL_TRANSFORM_FEEDBACK_BUFFER = 0x8C8E,
GL_TRANSFORM_FEEDBACK_BUFFER_BINDING = 0x8C8F,
GL_RGBA32UI = 0x8D70,
GL_RGB32UI = 0x8D71,
GL_RGBA16UI = 0x8D76,
GL_RGB16UI = 0x8D77,
GL_RGBA8UI = 0x8D7C,
GL_RGB8UI = 0x8D7D,
GL_RGBA32I = 0x8D82,
GL_RGB32I = 0x8D83,
GL_RGBA16I = 0x8D88,
GL_RGB16I = 0x8D89,
GL_RGBA8I = 0x8D8E,
GL_RGB8I = 0x8D8F,
GL_RED_INTEGER = 0x8D94,
GL_GREEN_INTEGER = 0x8D95,
GL_BLUE_INTEGER = 0x8D96,
GL_RGB_INTEGER = 0x8D98,
GL_RGBA_INTEGER = 0x8D99,
GL_BGR_INTEGER = 0x8D9A,
GL_BGRA_INTEGER = 0x8D9B,
GL_SAMPLER_1D_ARRAY = 0x8DC0,
GL_SAMPLER_2D_ARRAY = 0x8DC1,
GL_SAMPLER_1D_ARRAY_SHADOW = 0x8DC3,
GL_SAMPLER_2D_ARRAY_SHADOW = 0x8DC4,
GL_SAMPLER_CUBE_SHADOW = 0x8DC5,
GL_UNSIGNED_INT_VEC2 = 0x8DC6,
GL_UNSIGNED_INT_VEC3 = 0x8DC7,
GL_UNSIGNED_INT_VEC4 = 0x8DC8,
GL_INT_SAMPLER_1D = 0x8DC9,
GL_INT_SAMPLER_2D = 0x8DCA,
GL_INT_SAMPLER_3D = 0x8DCB,
GL_INT_SAMPLER_CUBE = 0x8DCC,
GL_INT_SAMPLER_1D_ARRAY = 0x8DCE,
GL_INT_SAMPLER_2D_ARRAY = 0x8DCF,
GL_UNSIGNED_INT_SAMPLER_1D = 0x8DD1,
GL_UNSIGNED_INT_SAMPLER_2D = 0x8DD2,
GL_UNSIGNED_INT_SAMPLER_3D = 0x8DD3,
GL_UNSIGNED_INT_SAMPLER_CUBE = 0x8DD4,
GL_UNSIGNED_INT_SAMPLER_1D_ARRAY = 0x8DD6,
GL_UNSIGNED_INT_SAMPLER_2D_ARRAY = 0x8DD7,
GL_QUERY_WAIT = 0x8E13,
GL_QUERY_NO_WAIT = 0x8E14,
GL_QUERY_BY_REGION_WAIT = 0x8E15,
GL_QUERY_BY_REGION_NO_WAIT = 0x8E16,
GL_BUFFER_ACCESS_FLAGS = 0x911F,
GL_BUFFER_MAP_LENGTH = 0x9120,
GL_BUFFER_MAP_OFFSET = 0x9121,
GL_DEPTH_COMPONENT32F = 0x8CAC,
GL_DEPTH32F_STENCIL8 = 0x8CAD,
GL_FLOAT_32_UNSIGNED_INT_24_8_REV = 0x8DAD,
GL_INVALID_FRAMEBUFFER_OPERATION = 0x0506,
GL_FRAMEBUFFER_ATTACHMENT_COLOR_ENCODING = 0x8210,
GL_FRAMEBUFFER_ATTACHMENT_COMPONENT_TYPE = 0x8211,
GL_FRAMEBUFFER_ATTACHMENT_RED_SIZE = 0x8212,
GL_FRAMEBUFFER_ATTACHMENT_GREEN_SIZE = 0x8213,
GL_FRAMEBUFFER_ATTACHMENT_BLUE_SIZE = 0x8214,
GL_FRAMEBUFFER_ATTACHMENT_ALPHA_SIZE = 0x8215,
GL_FRAMEBUFFER_ATTACHMENT_DEPTH_SIZE = 0x8216,
GL_FRAMEBUFFER_ATTACHMENT_STENCIL_SIZE = 0x8217,
GL_FRAMEBUFFER_DEFAULT = 0x8218,
GL_FRAMEBUFFER_UNDEFINED = 0x8219,
GL_DEPTH_STENCIL_ATTACHMENT = 0x821A,
GL_MAX_RENDERBUFFER_SIZE = 0x84E8,
GL_DEPTH_STENCIL = 0x84F9,
GL_UNSIGNED_INT_24_8 = 0x84FA,
GL_DEPTH24_STENCIL8 = 0x88F0,
GL_TEXTURE_STENCIL_SIZE = 0x88F1,
GL_TEXTURE_RED_TYPE = 0x8C10,
GL_TEXTURE_GREEN_TYPE = 0x8C11,
GL_TEXTURE_BLUE_TYPE = 0x8C12,
GL_TEXTURE_ALPHA_TYPE = 0x8C13,
GL_TEXTURE_DEPTH_TYPE = 0x8C16,
GL_UNSIGNED_NORMALIZED = 0x8C17,
GL_FRAMEBUFFER_BINDING = 0x8CA6,
GL_DRAW_FRAMEBUFFER_BINDING = 0x8CA6,
GL_RENDERBUFFER_BINDING = 0x8CA7,
GL_READ_FRAMEBUFFER = 0x8CA8,
GL_DRAW_FRAMEBUFFER = 0x8CA9,
GL_READ_FRAMEBUFFER_BINDING = 0x8CAA,
GL_RENDERBUFFER_SAMPLES = 0x8CAB,
GL_FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE = 0x8CD0,
GL_FRAMEBUFFER_ATTACHMENT_OBJECT_NAME = 0x8CD1,
GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_LEVEL = 0x8CD2,
GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_CUBE_MAP_FACE = 0x8CD3,
GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_LAYER = 0x8CD4,
GL_FRAMEBUFFER_COMPLETE = 0x8CD5,
GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT = 0x8CD6,
GL_FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT = 0x8CD7,
GL_FRAMEBUFFER_INCOMPLETE_DRAW_BUFFER = 0x8CDB,
GL_FRAMEBUFFER_INCOMPLETE_READ_BUFFER = 0x8CDC,
GL_FRAMEBUFFER_UNSUPPORTED = 0x8CDD,
GL_MAX_COLOR_ATTACHMENTS = 0x8CDF,
GL_COLOR_ATTACHMENT0 = 0x8CE0,
GL_COLOR_ATTACHMENT1 = 0x8CE1,
GL_COLOR_ATTACHMENT2 = 0x8CE2,
GL_COLOR_ATTACHMENT3 = 0x8CE3,
GL_COLOR_ATTACHMENT4 = 0x8CE4,
GL_COLOR_ATTACHMENT5 = 0x8CE5,
GL_COLOR_ATTACHMENT6 = 0x8CE6,
GL_COLOR_ATTACHMENT7 = 0x8CE7,
GL_COLOR_ATTACHMENT8 = 0x8CE8,
GL_COLOR_ATTACHMENT9 = 0x8CE9,
GL_COLOR_ATTACHMENT10 = 0x8CEA,
GL_COLOR_ATTACHMENT11 = 0x8CEB,
GL_COLOR_ATTACHMENT12 = 0x8CEC,
GL_COLOR_ATTACHMENT13 = 0x8CED,
GL_COLOR_ATTACHMENT14 = 0x8CEE,
GL_COLOR_ATTACHMENT15 = 0x8CEF,
GL_COLOR_ATTACHMENT16 = 0x8CF0,
GL_COLOR_ATTACHMENT17 = 0x8CF1,
GL_COLOR_ATTACHMENT18 = 0x8CF2,
GL_COLOR_ATTACHMENT19 = 0x8CF3,
GL_COLOR_ATTACHMENT20 = 0x8CF4,
GL_COLOR_ATTACHMENT21 = 0x8CF5,
GL_COLOR_ATTACHMENT22 = 0x8CF6,
GL_COLOR_ATTACHMENT23 = 0x8CF7,
GL_COLOR_ATTACHMENT24 = 0x8CF8,
GL_COLOR_ATTACHMENT25 = 0x8CF9,
GL_COLOR_ATTACHMENT26 = 0x8CFA,
GL_COLOR_ATTACHMENT27 = 0x8CFB,
GL_COLOR_ATTACHMENT28 = 0x8CFC,
GL_COLOR_ATTACHMENT29 = 0x8CFD,
GL_COLOR_ATTACHMENT30 = 0x8CFE,
GL_COLOR_ATTACHMENT31 = 0x8CFF,
GL_DEPTH_ATTACHMENT = 0x8D00,
GL_STENCIL_ATTACHMENT = 0x8D20,
GL_FRAMEBUFFER = 0x8D40,
GL_RENDERBUFFER = 0x8D41,
GL_RENDERBUFFER_WIDTH = 0x8D42,
GL_RENDERBUFFER_HEIGHT = 0x8D43,
GL_RENDERBUFFER_INTERNAL_FORMAT = 0x8D44,
GL_STENCIL_INDEX1 = 0x8D46,
GL_STENCIL_INDEX4 = 0x8D47,
GL_STENCIL_INDEX8 = 0x8D48,
GL_STENCIL_INDEX16 = 0x8D49,
GL_RENDERBUFFER_RED_SIZE = 0x8D50,
GL_RENDERBUFFER_GREEN_SIZE = 0x8D51,
GL_RENDERBUFFER_BLUE_SIZE = 0x8D52,
GL_RENDERBUFFER_ALPHA_SIZE = 0x8D53,
GL_RENDERBUFFER_DEPTH_SIZE = 0x8D54,
GL_RENDERBUFFER_STENCIL_SIZE = 0x8D55,
GL_FRAMEBUFFER_INCOMPLETE_MULTISAMPLE = 0x8D56,
GL_MAX_SAMPLES = 0x8D57,
GL_FRAMEBUFFER_SRGB = 0x8DB9,
GL_HALF_FLOAT = 0x140B,
GL_MAP_READ_BIT = 0x0001,
GL_MAP_WRITE_BIT = 0x0002,
GL_MAP_INVALIDATE_RANGE_BIT = 0x0004,
GL_MAP_INVALIDATE_BUFFER_BIT = 0x0008,
GL_MAP_FLUSH_EXPLICIT_BIT = 0x0010,
GL_MAP_UNSYNCHRONIZED_BIT = 0x0020,
GL_COMPRESSED_RED_RGTC1 = 0x8DBB,
GL_COMPRESSED_SIGNED_RED_RGTC1 = 0x8DBC,
GL_COMPRESSED_RG_RGTC2 = 0x8DBD,
GL_COMPRESSED_SIGNED_RG_RGTC2 = 0x8DBE,
GL_RG = 0x8227,
GL_RG_INTEGER = 0x8228,
GL_R8 = 0x8229,
GL_R16 = 0x822A,
GL_RG8 = 0x822B,
GL_RG16 = 0x822C,
GL_R16F = 0x822D,
GL_R32F = 0x822E,
GL_RG16F = 0x822F,
GL_RG32F = 0x8230,
GL_R8I = 0x8231,
GL_R8UI = 0x8232,
GL_R16I = 0x8233,
GL_R16UI = 0x8234,
GL_R32I = 0x8235,
GL_R32UI = 0x8236,
GL_RG8I = 0x8237,
GL_RG8UI = 0x8238,
GL_RG16I = 0x8239,
GL_RG16UI = 0x823A,
GL_RG32I = 0x823B,
GL_RG32UI = 0x823C,
GL_VERTEX_ARRAY_BINDING = 0x85B5,
GL_SAMPLER_2D_RECT = 0x8B63,
GL_SAMPLER_2D_RECT_SHADOW = 0x8B64,
GL_SAMPLER_BUFFER = 0x8DC2,
GL_INT_SAMPLER_2D_RECT = 0x8DCD,
GL_INT_SAMPLER_BUFFER = 0x8DD0,
GL_UNSIGNED_INT_SAMPLER_2D_RECT = 0x8DD5,
GL_UNSIGNED_INT_SAMPLER_BUFFER = 0x8DD8,
GL_TEXTURE_BUFFER = 0x8C2A,
GL_MAX_TEXTURE_BUFFER_SIZE = 0x8C2B,
GL_TEXTURE_BINDING_BUFFER = 0x8C2C,
GL_TEXTURE_BUFFER_DATA_STORE_BINDING = 0x8C2D,
GL_TEXTURE_RECTANGLE = 0x84F5,
GL_TEXTURE_BINDING_RECTANGLE = 0x84F6,
GL_PROXY_TEXTURE_RECTANGLE = 0x84F7,
GL_MAX_RECTANGLE_TEXTURE_SIZE = 0x84F8,
GL_R8_SNORM = 0x8F94,
GL_RG8_SNORM = 0x8F95,
GL_RGB8_SNORM = 0x8F96,
GL_RGBA8_SNORM = 0x8F97,
GL_R16_SNORM = 0x8F98,
GL_RG16_SNORM = 0x8F99,
GL_RGB16_SNORM = 0x8F9A,
GL_RGBA16_SNORM = 0x8F9B,
GL_SIGNED_NORMALIZED = 0x8F9C,
GL_PRIMITIVE_RESTART = 0x8F9D,
GL_PRIMITIVE_RESTART_INDEX = 0x8F9E,
GL_COPY_READ_BUFFER = 0x8F36,
GL_COPY_WRITE_BUFFER = 0x8F37,
GL_UNIFORM_BUFFER = 0x8A11,
GL_UNIFORM_BUFFER_BINDING = 0x8A28,
GL_UNIFORM_BUFFER_START = 0x8A29,
GL_UNIFORM_BUFFER_SIZE = 0x8A2A,
GL_MAX_VERTEX_UNIFORM_BLOCKS = 0x8A2B,
GL_MAX_GEOMETRY_UNIFORM_BLOCKS = 0x8A2C,
GL_MAX_FRAGMENT_UNIFORM_BLOCKS = 0x8A2D,
GL_MAX_COMBINED_UNIFORM_BLOCKS = 0x8A2E,
GL_MAX_UNIFORM_BUFFER_BINDINGS = 0x8A2F,
GL_MAX_UNIFORM_BLOCK_SIZE = 0x8A30,
GL_MAX_COMBINED_VERTEX_UNIFORM_COMPONENTS = 0x8A31,
GL_MAX_COMBINED_GEOMETRY_UNIFORM_COMPONENTS = 0x8A32,
GL_MAX_COMBINED_FRAGMENT_UNIFORM_COMPONENTS = 0x8A33,
GL_UNIFORM_BUFFER_OFFSET_ALIGNMENT = 0x8A34,
GL_ACTIVE_UNIFORM_BLOCK_MAX_NAME_LENGTH = 0x8A35,
GL_ACTIVE_UNIFORM_BLOCKS = 0x8A36,
GL_UNIFORM_TYPE = 0x8A37,
GL_UNIFORM_SIZE = 0x8A38,
GL_UNIFORM_NAME_LENGTH = 0x8A39,
GL_UNIFORM_BLOCK_INDEX = 0x8A3A,
GL_UNIFORM_OFFSET = 0x8A3B,
GL_UNIFORM_ARRAY_STRIDE = 0x8A3C,
GL_UNIFORM_MATRIX_STRIDE = 0x8A3D,
GL_UNIFORM_IS_ROW_MAJOR = 0x8A3E,
GL_UNIFORM_BLOCK_BINDING = 0x8A3F,
GL_UNIFORM_BLOCK_DATA_SIZE = 0x8A40,
GL_UNIFORM_BLOCK_NAME_LENGTH = 0x8A41,
GL_UNIFORM_BLOCK_ACTIVE_UNIFORMS = 0x8A42,
GL_UNIFORM_BLOCK_ACTIVE_UNIFORM_INDICES = 0x8A43,
GL_UNIFORM_BLOCK_REFERENCED_BY_VERTEX_SHADER = 0x8A44,
GL_UNIFORM_BLOCK_REFERENCED_BY_GEOMETRY_SHADER = 0x8A45,
GL_UNIFORM_BLOCK_REFERENCED_BY_FRAGMENT_SHADER = 0x8A46,
GL_INVALID_INDEX = 0xFFFFFFFFu,
GL_CONTEXT_CORE_PROFILE_BIT = 0x00000001,
GL_CONTEXT_COMPATIBILITY_PROFILE_BIT = 0x00000002,
GL_LINES_ADJACENCY = 0x000A,
GL_LINE_STRIP_ADJACENCY = 0x000B,
GL_TRIANGLES_ADJACENCY = 0x000C,
GL_TRIANGLE_STRIP_ADJACENCY = 0x000D,
GL_PROGRAM_POINT_SIZE = 0x8642,
GL_MAX_GEOMETRY_TEXTURE_IMAGE_UNITS = 0x8C29,
GL_FRAMEBUFFER_ATTACHMENT_LAYERED = 0x8DA7,
GL_FRAMEBUFFER_INCOMPLETE_LAYER_TARGETS = 0x8DA8,
GL_GEOMETRY_SHADER = 0x8DD9,
GL_GEOMETRY_VERTICES_OUT = 0x8916,
GL_GEOMETRY_INPUT_TYPE = 0x8917,
GL_GEOMETRY_OUTPUT_TYPE = 0x8918,
GL_MAX_GEOMETRY_UNIFORM_COMPONENTS = 0x8DDF,
GL_MAX_GEOMETRY_OUTPUT_VERTICES = 0x8DE0,
GL_MAX_GEOMETRY_TOTAL_OUTPUT_COMPONENTS = 0x8DE1,
GL_MAX_VERTEX_OUTPUT_COMPONENTS = 0x9122,
GL_MAX_GEOMETRY_INPUT_COMPONENTS = 0x9123,
GL_MAX_GEOMETRY_OUTPUT_COMPONENTS = 0x9124,
GL_MAX_FRAGMENT_INPUT_COMPONENTS = 0x9125,
GL_CONTEXT_PROFILE_MASK = 0x9126,
GL_DEPTH_CLAMP = 0x864F,
GL_QUADS_FOLLOW_PROVOKING_VERTEX_CONVENTION = 0x8E4C,
GL_FIRST_VERTEX_CONVENTION = 0x8E4D,
GL_LAST_VERTEX_CONVENTION = 0x8E4E,
GL_PROVOKING_VERTEX = 0x8E4F,
GL_TEXTURE_CUBE_MAP_SEAMLESS = 0x884F,
GL_MAX_SERVER_WAIT_TIMEOUT = 0x9111,
GL_OBJECT_TYPE = 0x9112,
GL_SYNC_CONDITION = 0x9113,
GL_SYNC_STATUS = 0x9114,
GL_SYNC_FLAGS = 0x9115,
GL_SYNC_FENCE = 0x9116,
GL_SYNC_GPU_COMMANDS_COMPLETE = 0x9117,
GL_UNSIGNALED = 0x9118,
GL_SIGNALED = 0x9119,
GL_ALREADY_SIGNALED = 0x911A,
GL_TIMEOUT_EXPIRED = 0x911B,
GL_CONDITION_SATISFIED = 0x911C,
GL_WAIT_FAILED = 0x911D,
// GL_TIMEOUT_IGNORED = 0xFFFFFFFFFFFFFFFFull,
GL_SYNC_FLUSH_COMMANDS_BIT = 0x00000001,
GL_SAMPLE_POSITION = 0x8E50,
GL_SAMPLE_MASK = 0x8E51,
GL_SAMPLE_MASK_VALUE = 0x8E52,
GL_MAX_SAMPLE_MASK_WORDS = 0x8E59,
GL_TEXTURE_2D_MULTISAMPLE = 0x9100,
GL_PROXY_TEXTURE_2D_MULTISAMPLE = 0x9101,
GL_TEXTURE_2D_MULTISAMPLE_ARRAY = 0x9102,
GL_PROXY_TEXTURE_2D_MULTISAMPLE_ARRAY = 0x9103,
GL_TEXTURE_BINDING_2D_MULTISAMPLE = 0x9104,
GL_TEXTURE_BINDING_2D_MULTISAMPLE_ARRAY = 0x9105,
GL_TEXTURE_SAMPLES = 0x9106,
GL_TEXTURE_FIXED_SAMPLE_LOCATIONS = 0x9107,
GL_SAMPLER_2D_MULTISAMPLE = 0x9108,
GL_INT_SAMPLER_2D_MULTISAMPLE = 0x9109,
GL_UNSIGNED_INT_SAMPLER_2D_MULTISAMPLE = 0x910A,
GL_SAMPLER_2D_MULTISAMPLE_ARRAY = 0x910B,
GL_INT_SAMPLER_2D_MULTISAMPLE_ARRAY = 0x910C,
GL_UNSIGNED_INT_SAMPLER_2D_MULTISAMPLE_ARRAY = 0x910D,
GL_MAX_COLOR_TEXTURE_SAMPLES = 0x910E,
GL_MAX_DEPTH_TEXTURE_SAMPLES = 0x910F,
GL_MAX_INTEGER_SAMPLES = 0x9110
}
}

14
src/SlatedGameToolkit.Framework/Graphics/OpenGL/GLFunctionDelegates.cs Normal file
View File

@ -0,0 +1,14 @@
using System;
namespace SlatedGameToolkit.Framework.Graphics.OpenGL
{
internal delegate void GLClearColour(float r, float g, float b);
internal delegate void GLClear(uint flags);
internal delegate void GLViewport(int x, int y, int width, int height);
internal delegate IntPtr GLCreateShader(GLEnums type);
internal delegate IntPtr GLShaderSource(IntPtr shaderHandle, int count, string program);
internal delegate void GLCompileShader(IntPtr shaderHandle);
internal delegate void GLGetShaderLogInfo(IntPtr shaderHandle, int maxLength, out int writtenLength, out string output);
internal delegate IntPtr GLCreateProgram();
internal delegate void GLAttachShader(IntPtr program, IntPtr shader);
}

13
src/SlatedGameToolkit.Framework/Graphics/OpenGL/ShaderHandle.cs Normal file
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@ -0,0 +1,13 @@
using System;
namespace SlatedGameToolkit.Framework.Graphics.OpenGL
{
public class ShaderHandle
{
private IntPtr shaderProgram;
public ShaderHandle() {
}
}
}

45
src/SlatedGameToolkit.Framework/Graphics/Window/WindowHandle.cs
View File

@ -1,9 +1,9 @@
using System; using System;
using System.Collections.Generic;
using System.Runtime.InteropServices; using System.Runtime.InteropServices;
using SDL2; using SDL2;
using SlatedGameToolkit.Framework.DataTypes; using SlatedGameToolkit.Framework.DataTypes;
using SlatedGameToolkit.Framework.Exceptions; using SlatedGameToolkit.Framework.Exceptions;
using SlatedGameToolkit.Framework.Graphics.OpenGLUtils;
namespace SlatedGameToolkit.Framework.Graphics.Window namespace SlatedGameToolkit.Framework.Graphics.Window
{ {
@ -14,7 +14,17 @@ namespace SlatedGameToolkit.Framework.Graphics.Window
/// <param name="hitPoint">The window coordinates that are being interacted with.</param> /// <param name="hitPoint">The window coordinates that are being interacted with.</param>
/// <returns>The region type.</returns> /// <returns>The region type.</returns>
public delegate WindowRegion WindowRegionHit(FloatVector2 hitPoint); public delegate WindowRegion WindowRegionHit(FloatVector2 hitPoint);
/// <summary>
/// A delegate that represents a function to be called on a window resize.
/// </summary>
/// <param name="width">The new width.</param>
/// <param name="height">The new height.</param>
public delegate void WindowResize(int width, int height); public delegate void WindowResize(int width, int height);
/// <summary>
/// A delegate that represents a function to be called when a window event occurs.
/// </summary>
public delegate void WindowOperation(); public delegate void WindowOperation();
/// <summary> /// <summary>
@ -44,9 +54,10 @@ namespace SlatedGameToolkit.Framework.Graphics.Window
/// </summary> /// </summary>
public event WindowRegionHit windowRegionHitEvent; public event WindowRegionHit windowRegionHitEvent;
public readonly GLClearColour clearColour; internal readonly GLClearColour clearColour;
public readonly GLClear clear; internal readonly GLClear clear;
public readonly GLViewport viewport; internal readonly GLViewport viewport;
/// <summary> /// <summary>
/// Whether or not to show this window. /// Whether or not to show this window.
/// </summary> /// </summary>
@ -65,6 +76,14 @@ namespace SlatedGameToolkit.Framework.Graphics.Window
} }
} }
/// <summary>
/// Whether or not to attempt to perform vertical synchronization.
/// Will use adaptive sync if supported.
/// If this window is not the current active window, retrieving and setting requires a context switch.
/// If a context switch was nessecary, will automatically switch back to previous once operation is complete.
/// If neither normal VSync or adaptive sync are available, enabling will throw an OptionalSDLException.
/// </summary>
/// <value></value>
public bool VSync { public bool VSync {
get { get {
IntPtr currentContext = SDL.SDL_GL_GetCurrentContext(); IntPtr currentContext = SDL.SDL_GL_GetCurrentContext();
@ -230,6 +249,14 @@ namespace SlatedGameToolkit.Framework.Graphics.Window
} }
} }
internal uint WindowID {
get {
uint id = SDL.SDL_GetWindowID(window);
if (id == 0) throw new FrameworkSDLException();
return id;
}
}
/// <summary> /// <summary>
/// Instantiates a window handle. /// Instantiates a window handle.
/// </summary> /// </summary>
@ -243,12 +270,16 @@ namespace SlatedGameToolkit.Framework.Graphics.Window
if (glContext == null) { if (glContext == null) {
throw new FrameworkSDLException(); throw new FrameworkSDLException();
} }
clear = Marshal.GetDelegateForFunctionPointer<GLClear>(SDL.SDL_GL_GetProcAddress("glClear")); clear = Marshal.GetDelegateForFunctionPointer<GLClear>(SDL.SDL_GL_GetProcAddress("glClear"));
if (clear == null) throw new FrameworkSDLException(); if (clear == null) throw new FrameworkSDLException();
clearColour = Marshal.GetDelegateForFunctionPointer<GLClearColour>(SDL.SDL_GL_GetProcAddress("glClearColor")); clearColour = Marshal.GetDelegateForFunctionPointer<GLClearColour>(SDL.SDL_GL_GetProcAddress("glClearColor"));
if (clearColour == null) throw new FrameworkSDLException(); if (clearColour == null) throw new FrameworkSDLException();
viewport = Marshal.GetDelegateForFunctionPointer<GLViewport>(SDL.SDL_GL_GetProcAddress("glViewport")); viewport = Marshal.GetDelegateForFunctionPointer<GLViewport>(SDL.SDL_GL_GetProcAddress("glViewport"));
if (viewport == null) throw new FrameworkSDLException(); if (viewport == null) throw new FrameworkSDLException();
if (specialRegions) { if (specialRegions) {
if (SDL.SDL_SetWindowHitTest(window, SpecialRegionHit, IntPtr.Zero) < 0) { if (SDL.SDL_SetWindowHitTest(window, SpecialRegionHit, IntPtr.Zero) < 0) {
throw new OptionalSDLException(); throw new OptionalSDLException();
@ -283,12 +314,6 @@ namespace SlatedGameToolkit.Framework.Graphics.Window
SDL.SDL_RaiseWindow(window); SDL.SDL_RaiseWindow(window);
} }
public uint GetWindowID() {
uint id = SDL.SDL_GetWindowID(window);
if (id == 0) throw new FrameworkSDLException();
return id;
}
/// <summary> /// <summary>
/// Gets the index of the display that this window resides within. /// Gets the index of the display that this window resides within.
/// </summary> /// </summary>

8
src/SlatedGameToolkit.Framework/Graphics/Window/WindowManager.cs
View File

@ -6,13 +6,13 @@ namespace SlatedGameToolkit.Framework.Graphics.Window
private static Dictionary<uint, WindowHandle> existingWindows = new Dictionary<uint, WindowHandle>(); private static Dictionary<uint, WindowHandle> existingWindows = new Dictionary<uint, WindowHandle>();
internal static void RegisterWindow(WindowHandle windowHandle) { internal static void RegisterWindow(WindowHandle windowHandle) {
GameEngine.Logger.Debug("Registering window: " + windowHandle.GetWindowID()); GameEngine.Logger.Debug("Registering window: " + windowHandle.WindowID);
existingWindows.Add(windowHandle.GetWindowID(), windowHandle); existingWindows.Add(windowHandle.WindowID, windowHandle);
} }
internal static void DeregisterWindow(WindowHandle windowHandle) { internal static void DeregisterWindow(WindowHandle windowHandle) {
GameEngine.Logger.Debug("Deregistering window: " + windowHandle.GetWindowID()); GameEngine.Logger.Debug("Deregistering window: " + windowHandle.WindowID);
existingWindows.Remove(windowHandle.GetWindowID()); existingWindows.Remove(windowHandle.WindowID);
} }
internal static WindowHandle HandleFromID(uint ID) { internal static WindowHandle HandleFromID(uint ID) {

4
src/SlatedGameToolkit.Framework/StateSystem/Manager.cs
View File

@ -3,7 +3,7 @@ using System.Collections.Generic;
using System.Threading; using System.Threading;
using SDL2; using SDL2;
using SlatedGameToolkit.Framework.DataTypes; using SlatedGameToolkit.Framework.DataTypes;
using SlatedGameToolkit.Framework.Graphics; using SlatedGameToolkit.Framework.Graphics.OpenGLUtils;
using SlatedGameToolkit.Framework.Graphics.Window; using SlatedGameToolkit.Framework.Graphics.Window;
using SlatedGameToolkit.Framework.StateSystem.States; using SlatedGameToolkit.Framework.StateSystem.States;
@ -48,7 +48,7 @@ namespace SlatedGameToolkit.Framework.StateSystem
CurrentWindow.DrawToWindow(); CurrentWindow.DrawToWindow();
} }
CurrentWindow.clearColour(backgroundColour.r, backgroundColour.g, backgroundColour.b); CurrentWindow.clearColour(backgroundColour.r, backgroundColour.g, backgroundColour.b);
CurrentWindow.clear(0x4000); CurrentWindow.clear((uint) (GLEnums.GL_COLOR_BUFFER_BIT | GLEnums.GL_DEPTH_STENCIL));
currentState.Render(delta); currentState.Render(delta);
CurrentWindow.SwapBuffer(); CurrentWindow.SwapBuffer();
} }

2
src/SlatedGameToolkit.Framework/StateSystem/States/IState.cs
View File

@ -38,7 +38,7 @@ namespace SlatedGameToolkit.Framework.StateSystem.States
/// Called in intervals dependent on game loop chose for every render cycle. /// Called in intervals dependent on game loop chose for every render cycle.
/// Only called on if this state is the active state, indicated on the last status method called on this implementation (acitvate, and deactivate). /// Only called on if this state is the active state, indicated on the last status method called on this implementation (acitvate, and deactivate).
/// </summary> /// </summary>
/// <param name="delta">The time in seconds that has passed since the last render cycle.</param> /// <param name="delta">The time in seconds that has passed since the last update cycle.</param>
void Render(double delta); void Render(double delta);
/// <summary> /// <summary>

4
src/SlatedGameToolkit.Tools/Commands/GraphicalPlaygroundCommand.cs
View File

@ -30,8 +30,8 @@ namespace SlatedGameToolkit.Tools.Commands
return true; return true;
} else if (args[0].Equals("status")) { } else if (args[0].Equals("status")) {
interactable.Tell("Running: " + GameEngine.IsRunning()); interactable.Tell("Running: " + GameEngine.IsRunning());
interactable.Tell("Target FPS: " + GameEngine.targetFPS); interactable.Tell("Target FPS: " + (GameEngine.targetFPS <= 0 ? "Not bounded." : GameEngine.targetFPS.ToString()));
interactable.Tell("Target Update Rate: " + GameEngine.UpdatesPerSecond); interactable.Tell("Update Step: " + (GameEngine.UpdatesPerSecond <= 0 ? "Not bounded." : GameEngine.UpdatesPerSecond.ToString()));
return true; return true;
} }
return false; return false;