1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
|
// Copyright (C) 2008 Christian Stehno
// Heavily based on the OpenGL driver implemented by Nikolaus Gebhardt
// 2017 modified by Michael Zeilfelder (unifying extension handlers)
// This file is part of the "Irrlicht Engine".
// For conditions of distribution and use, see copyright notice in Irrlicht.h
#include "COGLESExtensionHandler.h"
#ifdef _IRR_COMPILE_WITH_OGLES1_
#include "irrString.h"
#include "SMaterial.h"
#include "fast_atof.h"
#if defined(_IRR_OGLES1_USE_EXTPOINTER_)
#if defined(_IRR_COMPILE_WITH_ANDROID_DEVICE_) || defined(_IRR_COMPILE_WITH_WINDOWS_DEVICE_)
#include <EGL/egl.h>
#else
#include <GLES/egl.h>
#endif
#endif
namespace irr
{
namespace video
{
COGLES1ExtensionHandler::COGLES1ExtensionHandler() : COGLESCoreExtensionHandler(),
MaxUserClipPlanes(0), MaxLights(0)
#if defined(_IRR_OGLES1_USE_EXTPOINTER_)
, pGlBlendEquationOES(0), pGlBlendFuncSeparateOES(0),
pGlBindFramebufferOES(0), pGlDeleteFramebuffersOES(0),
pGlGenFramebuffersOES(0), pGlCheckFramebufferStatusOES(0),
pGlFramebufferTexture2DOES(0), pGlGenerateMipmapOES(0)
#endif
{
}
void COGLES1ExtensionHandler::initExtensions()
{
getGLVersion();
if (Version >= 100)
os::Printer::log("OpenGL ES driver version is 1.1.", ELL_INFORMATION);
else
os::Printer::log("OpenGL ES driver version is 1.0.", ELL_WARNING);
getGLExtensions();
GLint val = 0;
if (Version > 100 || FeatureAvailable[IRR_GL_IMG_user_clip_plane])
{
glGetIntegerv(GL_MAX_CLIP_PLANES, &val);
MaxUserClipPlanes = static_cast<u8>(val);
}
glGetIntegerv(GL_MAX_LIGHTS, &val);
MaxLights = static_cast<u8>(val);
glGetIntegerv(GL_MAX_TEXTURE_UNITS, &val);
Feature.MaxTextureUnits = static_cast<u8>(val);
#ifdef GL_EXT_texture_filter_anisotropic
if (FeatureAvailable[IRR_GL_EXT_texture_filter_anisotropic])
{
glGetIntegerv(GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT, &val);
MaxAnisotropy = static_cast<u8>(val);
}
#endif
#ifdef GL_MAX_ELEMENTS_INDICES
glGetIntegerv(GL_MAX_ELEMENTS_INDICES, &val);
MaxIndices = val;
#endif
glGetIntegerv(GL_MAX_TEXTURE_SIZE, &val);
MaxTextureSize = static_cast<u32>(val);
#ifdef GL_EXT_texture_lod_bias
if (FeatureAvailable[IRR_GL_EXT_texture_lod_bias])
glGetFloatv(GL_MAX_TEXTURE_LOD_BIAS_EXT, &MaxTextureLODBias);
#endif
glGetFloatv(GL_ALIASED_LINE_WIDTH_RANGE, DimAliasedLine);
glGetFloatv(GL_ALIASED_POINT_SIZE_RANGE, DimAliasedPoint);
Feature.MaxTextureUnits = core::min_(Feature.MaxTextureUnits, static_cast<u8>(MATERIAL_MAX_TEXTURES));
Feature.ColorAttachment = 1;
#if defined(_IRR_OGLES1_USE_EXTPOINTER_)
pGlBlendEquationOES = (PFNGLBLENDEQUATIONOESPROC)eglGetProcAddress("glBlendEquationOES");
pGlBlendFuncSeparateOES = (PFNGLBLENDFUNCSEPARATEOESPROC)eglGetProcAddress("glBlendFuncSeparateOES");
pGlBindFramebufferOES = (PFNGLBINDFRAMEBUFFEROESPROC)eglGetProcAddress("glBindFramebufferOES");
pGlDeleteFramebuffersOES = (PFNGLDELETEFRAMEBUFFERSOESPROC)eglGetProcAddress("glDeleteFramebuffersOES");
pGlGenFramebuffersOES = (PFNGLGENFRAMEBUFFERSOESPROC)eglGetProcAddress("glGenFramebuffersOES");
pGlCheckFramebufferStatusOES = (PFNGLCHECKFRAMEBUFFERSTATUSOESPROC)eglGetProcAddress("glCheckFramebufferStatusOES");
pGlFramebufferTexture2DOES = (PFNGLFRAMEBUFFERTEXTURE2DOESPROC)eglGetProcAddress("glFramebufferTexture2DOES");
pGlGenerateMipmapOES = (PFNGLGENERATEMIPMAPOESPROC)eglGetProcAddress("glGenerateMipmapOES");
#endif
}
} // end namespace video
} // end namespace irr
#endif // _IRR_COMPILE_WITH_OGLES2_
|
