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Added OpenGL support for sampler objects 

Also prevented an exception launch by the SeparateShaderObjects code to
escape.


Former-commit-id: ae594e16a85c02f0c649ef573189b4b722f713c3
This commit is contained in:
Lynix 2012-12-04 13:50:08 +01:00
parent 9839e36171
commit e699969b64
2 changed files with 53 additions and 16 deletions
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6
include/Nazara/Renderer/OpenGL.hpp
View File

@ -31,6 +31,7 @@ enum nzOpenGLExtension
nzOpenGLExtension_FP64,
nzOpenGLExtension_FrameBufferObject,
nzOpenGLExtension_PixelBufferObject,
nzOpenGLExtension_SamplerObjects,
nzOpenGLExtension_SeparateShaderObjects,
nzOpenGLExtension_TextureArray,
nzOpenGLExtension_TextureCompression_s3tc,
@ -96,6 +97,7 @@ NAZARA_API extern PFNGLBINDBUFFERPROC glBindBuffer;
NAZARA_API extern PFNGLBINDFRAMEBUFFERPROC glBindFramebuffer;
NAZARA_API extern PFNGLBINDFRAGDATALOCATIONPROC glBindFragDataLocation;
NAZARA_API extern PFNGLBINDRENDERBUFFERPROC glBindRenderbuffer;
NAZARA_API extern PFNGLBINDSAMPLERPROC glBindSampler;
NAZARA_API extern PFNGLBINDTEXTUREPROC glBindTexture;
NAZARA_API extern PFNGLBINDVERTEXARRAYPROC glBindVertexArray;
NAZARA_API extern PFNGLBLENDFUNCPROC glBlendFunc;
@ -120,6 +122,7 @@ NAZARA_API extern PFNGLDELETEFRAMEBUFFERSPROC glDeleteFramebuffers;
NAZARA_API extern PFNGLDELETEPROGRAMPROC glDeleteProgram;
NAZARA_API extern PFNGLDELETEQUERIESPROC glDeleteQueries;
NAZARA_API extern PFNGLDELETERENDERBUFFERSPROC glDeleteRenderbuffers;
NAZARA_API extern PFNGLDELETESAMPLERSPROC glDeleteSamplers;
NAZARA_API extern PFNGLDELETESHADERPROC glDeleteShader;
NAZARA_API extern PFNGLDELETETEXTURESPROC glDeleteTextures;
NAZARA_API extern PFNGLDELETEVERTEXARRAYSPROC glDeleteVertexArrays;
@ -146,6 +149,7 @@ NAZARA_API extern PFNGLGENBUFFERSPROC glGenBuffers;
NAZARA_API extern PFNGLGENFRAMEBUFFERSPROC glGenFramebuffers;
NAZARA_API extern PFNGLGENQUERIESPROC glGenQueries;
NAZARA_API extern PFNGLGENRENDERBUFFERSPROC glGenRenderbuffers;
NAZARA_API extern PFNGLGENSAMPLERSPROC glGenSamplers;
NAZARA_API extern PFNGLGENTEXTURESPROC glGenTextures;
NAZARA_API extern PFNGLGENVERTEXARRAYSPROC glGenVertexArrays;
NAZARA_API extern PFNGLGETBOOLEANVPROC glGetBooleanv;
@ -191,6 +195,8 @@ NAZARA_API extern PFNGLPROGRAMUNIFORMMATRIX4DVPROC glProgramUniformMatrix4dv;
NAZARA_API extern PFNGLPROGRAMUNIFORMMATRIX4FVPROC glProgramUniformMatrix4fv;
NAZARA_API extern PFNGLREADPIXELSPROC glReadPixels;
NAZARA_API extern PFNGLRENDERBUFFERSTORAGEPROC glRenderbufferStorage;
NAZARA_API extern PFNGLSAMPLERPARAMETERFPROC glSamplerParameterf;
NAZARA_API extern PFNGLSAMPLERPARAMETERIPROC glSamplerParameteri;
NAZARA_API extern PFNGLSCISSORPROC glScissor;
NAZARA_API extern PFNGLSHADERSOURCEPROC glShaderSource;
NAZARA_API extern PFNGLSTENCILFUNCPROC glStencilFunc;

31
src/Nazara/Renderer/OpenGL.cpp
View File

@ -447,8 +447,29 @@ namespace NzOpenGL
// PixelBufferObject
openGLextensions[nzOpenGLExtension_PixelBufferObject] = (openGLversion >= 210 || IsSupported("GL_ARB_pixel_buffer_object"));
// SamplerObjects
if (openGLversion >= 430 || (openGLversion < 400 && openGLversion >= 330) || IsSupported("GL_ARB_sampler_objects"))
{
try
{
glBindSampler = reinterpret_cast<PFNGLBINDSAMPLERPROC>(LoadEntry("glBindSampler"));
glDeleteSamplers = reinterpret_cast<PFNGLDELETESAMPLERSPROC>(LoadEntry("glDeleteSamplers"));
glGenSamplers = reinterpret_cast<PFNGLGENSAMPLERSPROC>(LoadEntry("glGenSamplers"));
glSamplerParameterf = reinterpret_cast<PFNGLSAMPLERPARAMETERFPROC>(LoadEntry("glSamplerParameterf"));
glSamplerParameteri = reinterpret_cast<PFNGLSAMPLERPARAMETERIPROC>(LoadEntry("glSamplerParameteri"));
openGLextensions[nzOpenGLExtension_SamplerObjects] = true;
}
catch (const std::exception& e)
{
NazaraWarning("Failed to load ARB_sampler_objects: (" + NzString(e.what()) + ")");
}
}
// SeparateShaderObjects
if (openGLversion >= 400 || IsSupported("GL_ARB_separate_shader_objects"))
{
try
{
glProgramUniform1f = reinterpret_cast<PFNGLPROGRAMUNIFORM1FPROC>(LoadEntry("glProgramUniform1f"));
glProgramUniform1i = reinterpret_cast<PFNGLPROGRAMUNIFORM1IPROC>(LoadEntry("glProgramUniform1i"));
@ -469,6 +490,11 @@ namespace NzOpenGL
openGLextensions[nzOpenGLExtension_SeparateShaderObjects] = true;
}
catch (const std::exception& e)
{
NazaraWarning("Failed to load ARB_separate_shader_objects: (" + NzString(e.what()) + ")");
}
}
// TextureArray
openGLextensions[nzOpenGLExtension_TextureArray] = (openGLversion >= 300 || IsSupported("GL_EXT_texture_array"));
@ -886,6 +912,7 @@ PFNGLBINDBUFFERPROC glBindBuffer = nullptr;
PFNGLBINDFRAMEBUFFERPROC glBindFramebuffer = nullptr;
PFNGLBINDFRAGDATALOCATIONPROC glBindFragDataLocation = nullptr;
PFNGLBINDRENDERBUFFERPROC glBindRenderbuffer = nullptr;
PFNGLBINDSAMPLERPROC glBindSampler = nullptr;
PFNGLBINDTEXTUREPROC glBindTexture = nullptr;
PFNGLBINDVERTEXARRAYPROC glBindVertexArray = nullptr;
PFNGLBLENDFUNCPROC glBlendFunc = nullptr;
@ -910,6 +937,7 @@ PFNGLDELETEFRAMEBUFFERSPROC glDeleteFramebuffers = nullptr;
PFNGLDELETEPROGRAMPROC glDeleteProgram = nullptr;
PFNGLDELETEQUERIESPROC glDeleteQueries = nullptr;
PFNGLDELETERENDERBUFFERSPROC glDeleteRenderbuffers = nullptr;
PFNGLDELETESAMPLERSPROC glDeleteSamplers = nullptr;
PFNGLDELETESHADERPROC glDeleteShader = nullptr;
PFNGLDELETETEXTURESPROC glDeleteTextures = nullptr;
PFNGLDELETEVERTEXARRAYSPROC glDeleteVertexArrays = nullptr;
@ -936,6 +964,7 @@ PFNGLGENBUFFERSPROC glGenBuffers = nullptr;
PFNGLGENFRAMEBUFFERSPROC glGenFramebuffers = nullptr;
PFNGLGENRENDERBUFFERSPROC glGenRenderbuffers = nullptr;
PFNGLGENQUERIESPROC glGenQueries = nullptr;
PFNGLGENSAMPLERSPROC glGenSamplers = nullptr;
PFNGLGENTEXTURESPROC glGenTextures = nullptr;
PFNGLGENVERTEXARRAYSPROC glGenVertexArrays = nullptr;
PFNGLGETBOOLEANVPROC glGetBooleanv = nullptr;
@ -981,6 +1010,8 @@ PFNGLPROGRAMUNIFORMMATRIX4DVPROC glProgramUniformMatrix4dv = nullptr;
PFNGLPROGRAMUNIFORMMATRIX4FVPROC glProgramUniformMatrix4fv = nullptr;
PFNGLREADPIXELSPROC glReadPixels = nullptr;
PFNGLRENDERBUFFERSTORAGEPROC glRenderbufferStorage = nullptr;
PFNGLSAMPLERPARAMETERFPROC glSamplerParameterf = nullptr;
PFNGLSAMPLERPARAMETERIPROC glSamplerParameteri = nullptr;
PFNGLSCISSORPROC glScissor = nullptr;
PFNGLSHADERSOURCEPROC glShaderSource = nullptr;
PFNGLSTENCILFUNCPROC glStencilFunc = nullptr;