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#pragma once
#include "Configuration/UnityConfigure.h"
#include "Runtime/GfxDevice/opengles/ExtensionsGLES.h"
// The reason to have this file is that we use plenty of gles extensions,
// and not all of them are handled in (all) sdk we build with.
// Still we do guard all the usages with runtime ifs, so there is no need to intro addidtional preprocessor magic
// ----------------------------------------------------------------------------
// Texture Formats
//
#ifndef GL_BGRA_EXT
#define GL_BGRA_EXT 0x80E1
#endif
#ifndef GL_ETC1_RGB8_OES
#define GL_ETC1_RGB8_OES 0x8D64
#endif
#ifndef GL_COMPRESSED_RGB_S3TC_DXT1_EXT
#define GL_COMPRESSED_RGB_S3TC_DXT1_EXT 0x83F0
#endif
#ifndef GL_COMPRESSED_RGBA_S3TC_DXT1_EXT
#define GL_COMPRESSED_RGBA_S3TC_DXT1_EXT 0x83F1
#endif
#ifndef GL_COMPRESSED_RGBA_S3TC_DXT3_EXT
#define GL_COMPRESSED_RGBA_S3TC_DXT3_EXT 0x83F2
#endif
#ifndef GL_COMPRESSED_RGBA_S3TC_DXT5_EXT
#define GL_COMPRESSED_RGBA_S3TC_DXT5_EXT 0x83F3
#endif
#ifndef GL_COMPRESSED_SRGB_S3TC_DXT1_NV
#define GL_COMPRESSED_SRGB_S3TC_DXT1_NV 0x8C4C
#endif
#ifndef GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT1_NV
#define GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT1_NV 0x8C4D
#endif
#ifndef GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT3_NV
#define GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT3_NV 0x8C4E
#endif
#ifndef GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_NV
#define GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_NV 0x8C4F
#endif
#ifndef GL_COMPRESSED_RGB_PVRTC_4BPPV1_IMG
#define GL_COMPRESSED_RGB_PVRTC_4BPPV1_IMG 0x8C00
#endif
#ifndef GL_COMPRESSED_RGB_PVRTC_2BPPV1_IMG
#define GL_COMPRESSED_RGB_PVRTC_2BPPV1_IMG 0x8C01
#endif
#ifndef GL_COMPRESSED_RGBA_PVRTC_4BPPV1_IMG
#define GL_COMPRESSED_RGBA_PVRTC_4BPPV1_IMG 0x8C02
#endif
#ifndef GL_COMPRESSED_RGBA_PVRTC_2BPPV1_IMG
#define GL_COMPRESSED_RGBA_PVRTC_2BPPV1_IMG 0x8C03
#endif
#ifndef GL_ATC_RGB_AMD
#define GL_ATC_RGB_AMD 0x8C92
#endif
#ifndef GL_ATC_RGBA_INTERPOLATED_ALPHA_AMD
#define GL_ATC_RGBA_INTERPOLATED_ALPHA_AMD 0x87EE
#endif
#ifndef GL_HALF_FLOAT_OES
#define GL_HALF_FLOAT_OES 0x8D61
#endif
#ifndef GL_SRGB_EXT
#define GL_SRGB_EXT 0x8C40
#endif
#ifndef GL_SRGB_ALPHA_EXT
#define GL_SRGB_ALPHA_EXT 0x8C42
#endif
// ----------------------------------------------------------------------------
// GL_EXT_blend_minmax
//
#ifndef GL_MIN_EXT
#define GL_MIN_EXT 0x8007
#endif
#ifndef GL_MAX_EXT
#define GL_MAX_EXT 0x8008
#endif
// ----------------------------------------------------------------------------
// GL_EXT_debug_marker
//
typedef void (*glPushGroupMarkerEXTFunc)(int len, const char* name);
typedef void (*glPopGroupMarkerEXTFunc)();
// ----------------------------------------------------------------------------
// GL_EXT_discard_framebuffer
//
#ifndef GL_COLOR_EXT
#define GL_COLOR_EXT 0x1800
#endif
#ifndef GL_DEPTH_EXT
#define GL_DEPTH_EXT 0x1801
#endif
#ifndef GL_STENCIL_EXT
#define GL_STENCIL_EXT 0x1802
#endif
typedef void (*glDiscardFramebufferEXTFunc)(GLenum target, GLsizei numAttachments, const GLenum *attachments);
// ----------------------------------------------------------------------------
// GL_EXT_occlusion_query_boolean
// Note: while we dont use occlusion queries, all queries ext are based on that one
//
#ifndef GL_QUERY_RESULT_EXT
#define GL_QUERY_RESULT_EXT 0x8866
#endif
#ifndef GL_QUERY_RESULT_AVAILABLE_EXT
#define GL_QUERY_RESULT_AVAILABLE_EXT 0x8867
#endif
typedef void (*glGenQueriesEXTFunc)(GLuint n, GLuint *ids);
typedef void (*glDeleteQueriesEXTFunc)(GLuint n, const GLuint *ids);
typedef void (*glBeginQueryEXTFunc)(GLuint target, GLuint id);
typedef void (*glEndQueryEXTFunc)(GLuint target);
typedef void (*glGetQueryObjectuivEXTFunc)(GLuint id, GLuint pname, GLuint *params);
// ----------------------------------------------------------------------------
// GL_EXT_shadow_samplers
//
#ifndef GL_TEXTURE_COMPARE_MODE_EXT
#define GL_TEXTURE_COMPARE_MODE_EXT 0x884C
#endif
#ifndef GL_TEXTURE_COMPARE_FUNC_EXT
#define GL_TEXTURE_COMPARE_FUNC_EXT 0x884D
#endif
#ifndef GL_COMPARE_REF_TO_TEXTURE_EXT
#define GL_COMPARE_REF_TO_TEXTURE_EXT 0x884E
#endif
#ifndef GL_SAMPLER_2D_SHADOW_EXT
#define GL_SAMPLER_2D_SHADOW_EXT 0x8B62
#endif
// ----------------------------------------------------------------------------
// GL_EXT_texture_rg
//
#ifndef GL_RED_EXT
#define GL_RED_EXT 0x1903
#endif
#ifndef GL_RG_EXT
#define GL_RG_EXT 0x8227
#endif
// ----------------------------------------------------------------------------
// GL_OES_get_program_binary
//
#ifndef GL_PROGRAM_BINARY_LENGTH_OES
#define GL_PROGRAM_BINARY_LENGTH_OES 0x8741
#endif
#ifndef GL_NUM_PROGRAM_BINARY_FORMATS_OES
#define GL_NUM_PROGRAM_BINARY_FORMATS_OES 0x87FE
#endif
typedef void (*glGetProgramBinaryOESFunc)(GLuint program, GLsizei bufSize, GLsizei* length, GLenum* binaryFormat, GLvoid* binary);
typedef void (*glProgramBinaryOESFunc)(GLuint program, GLenum binaryFormat, const GLvoid *binary, GLint length);
// ----------------------------------------------------------------------------
// GL_OES_mapbuffer
//
#ifndef GL_WRITE_ONLY_OES
#define GL_WRITE_ONLY_OES 0x88B9
#endif
typedef void* (*glMapBufferOESFunc)(GLenum target, GLenum access);
typedef GLboolean (*glUnmapBufferOESFunc)(GLenum target);
// ----------------------------------------------------------------------------
// GL_APPLE_framebuffer_multisample
//
#ifndef GL_MAX_SAMPLES_APPLE
#define GL_MAX_SAMPLES_APPLE 0x8D57
#endif
#ifndef GL_READ_FRAMEBUFFER_APPLE
#define GL_READ_FRAMEBUFFER_APPLE 0x8CA8
#endif
#ifndef GL_DRAW_FRAMEBUFFER_APPLE
#define GL_DRAW_FRAMEBUFFER_APPLE 0x8CA9
#endif
typedef void (*glRenderbufferStorageMultisampleAPPLEFunc)(GLenum target, GLsizei samples, GLenum internalformat, GLsizei width, GLsizei height);
typedef void (*glResolveMultisampleFramebufferAPPLEFunc)(void);
// ----------------------------------------------------------------------------
// GL_IMG_multisampled_render_to_texture
//
#ifndef GL_MAX_SAMPLES_IMG
#define GL_MAX_SAMPLES_IMG 0x9135
#endif
typedef void (*glRenderbufferStorageMultisampleIMGFunc)(GLenum target, GLsizei samples, GLenum internalformat, GLsizei width, GLsizei height);
typedef void (*glFramebufferTexture2DMultisampleIMGFunc)(GLenum target, GLenum attachment, GLenum textarget, GLuint texture, GLint level, GLsizei samples);
// ----------------------------------------------------------------------------
// GL_NV_draw_buffers
//
#ifndef GL_MAX_DRAW_BUFFERS_NV
#define GL_MAX_DRAW_BUFFERS_NV 0x8824
#endif
#ifndef GL_COLOR_ATTACHMENT0_NV
#define GL_COLOR_ATTACHMENT0_NV 0x8CE0
#endif
typedef void (*glDrawBuffersNVFunc)(int len, const GLenum* bufs);
// ----------------------------------------------------------------------------
// GL_NV_timer_query
//
#ifndef GL_TIME_ELAPSED_NV
#define GL_TIME_ELAPSED_NV 0x88BF
#endif
#ifndef GL_TIMESTAMP_NV
#define GL_TIMESTAMP_NV 0x8E28
#endif
typedef unsigned long long int EGLuint64NV;
typedef void (*glQueryCounterNVFunc)(GLuint target, GLuint id);
typedef void (*glGetQueryObjectui64vNVFunc)(GLuint id, GLuint pname, EGLuint64NV *params);
// ----------------------------------------------------------------------------
// GL_QCOM_alpha_test
//
#ifndef GL_ALPHA_TEST_QCOM
#define GL_ALPHA_TEST_QCOM 0x0BC0
#endif
typedef void (*glAlphaFuncQCOMFunc)(GLenum func, GLfloat ref);
// ----------------------------------------------------------------------------
// common place to get function pointers
//
struct
Gles3ExtFunc
{
glPushGroupMarkerEXTFunc glPushGroupMarkerEXT;
glPopGroupMarkerEXTFunc glPopGroupMarkerEXT;
glAlphaFuncQCOMFunc glAlphaFuncQCOM;
void InitExtFunc();
};
extern Gles3ExtFunc gGles3ExtFunc;
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