Glenn Maynard
161 lines
5.5 KiB
C++
161 lines
5.5 KiB
C++
#ifndef RAGE_DISPLAY_OGL_HELPERS_H
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#define RAGE_DISPLAY_OGL_HELPERS_H
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/* ours may be more up-to-date */
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#define __glext_h_
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#if defined(WIN32)
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#include <windows.h>
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#endif
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#if !defined(MACOSX)
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# include <GL/gl.h>
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# include <GL/glu.h>
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#else
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# include <OpenGL/gl.h>
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# include <OpenGL/glu.h>
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#endif
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#undef __glext_h_
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#include "glext.h"
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/* Import RageDisplay, for types. Do not include RageDisplay_OGL.h. */
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#include "RageDisplay.h"
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/* Windows defines GL_EXT_paletted_texture incompletely: */
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#ifndef GL_TEXTURE_INDEX_SIZE_EXT
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#define GL_TEXTURE_INDEX_SIZE_EXT 0x80ED
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#endif
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/* Not in glext.h: */
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typedef bool (APIENTRY * PWSWAPINTERVALEXTPROC) (int interval);
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namespace RageDisplay_OGL_Helpers
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{
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void Init();
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RString GLToString( GLenum e );
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};
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class RenderTarget
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{
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public:
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virtual ~RenderTarget() { }
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virtual void Create( const RenderTargetParam ¶m, int &iTextureWidthOut, int &iTextureHeightOut ) = 0;
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virtual unsigned GetTexture() const = 0;
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/* Render to this RenderTarget. */
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virtual void StartRenderingTo() = 0;
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/* Stop rendering to this RenderTarget. Update the texture, if necessary, and
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* make it available. */
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virtual void FinishRenderingTo() = 0;
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virtual bool InvertY() const { return false; }
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const RenderTargetParam &GetParam() const { return m_Param; }
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protected:
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RenderTargetParam m_Param;
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};
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class LowLevelWindow;
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struct GLExt_t
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{
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bool m_bARB_texture_env_combine;
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bool m_bEXT_texture_env_combine;
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bool m_bGL_EXT_bgra;
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PWSWAPINTERVALEXTPROC wglSwapIntervalEXT;
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PFNGLCOLORTABLEPROC glColorTableEXT;
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PFNGLBLENDEQUATIONPROC glBlendEquation;
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PFNGLCOLORTABLEPARAMETERIVPROC glGetColorTableParameterivEXT;
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PFNGLACTIVETEXTUREARBPROC glActiveTextureARB;
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PFNGLGENBUFFERSARBPROC glGenBuffersARB;
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PFNGLBINDBUFFERARBPROC glBindBufferARB;
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PFNGLBUFFERDATAARBPROC glBufferDataARB;
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PFNGLBUFFERSUBDATAARBPROC glBufferSubDataARB;
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PFNGLDELETEBUFFERSARBPROC glDeleteBuffersARB;
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PFNGLDRAWRANGEELEMENTSPROC glDrawRangeElements;
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// GL_ARB_shader_objects:
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bool m_bGL_ARB_shader_objects;
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PFNGLCREATESHADEROBJECTARBPROC glCreateShaderObjectARB;
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PFNGLCREATEPROGRAMOBJECTARBPROC glCreateProgramObjectARB;
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PFNGLSHADERSOURCEARBPROC glShaderSourceARB;
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PFNGLCOMPILESHADERARBPROC glCompileShaderARB;
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PFNGLGETOBJECTPARAMETERFVARBPROC glGetObjectParameterfvARB;
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PFNGLGETOBJECTPARAMETERIVARBPROC glGetObjectParameterivARB;
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PFNGLGETINFOLOGARBPROC glGetInfoLogARB;
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PFNGLATTACHOBJECTARBPROC glAttachObjectARB;
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PFNGLDELETEOBJECTARBPROC glDeleteObjectARB;
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PFNGLLINKPROGRAMARBPROC glLinkProgramARB;
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PFNGLUSEPROGRAMOBJECTARBPROC glUseProgramObjectARB;
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PFNGLVERTEXATTRIB2FARBPROC glVertexAttrib2fARB;
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PFNGLVERTEXATTRIB3FARBPROC glVertexAttrib3fARB;
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PFNGLVERTEXATTRIB4FARBPROC glVertexAttrib4fARB;
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PFNGLENABLEVERTEXATTRIBARRAYARBPROC glEnableVertexAttribArrayARB;
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PFNGLDISABLEVERTEXATTRIBARRAYARBPROC glDisableVertexAttribArrayARB;
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PFNGLVERTEXATTRIBPOINTERARBPROC glVertexAttribPointerARB;
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// GL_ARB_vertex_shader:
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bool m_bGL_ARB_vertex_shader;
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PFNGLBINDATTRIBLOCATIONARBPROC glBindAttribLocationARB;
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bool m_bGL_ARB_shading_language_100;
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int m_iShadingLanguageVersion; /* * 100 */
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// GL_EXT_framebuffer_object:
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bool m_bGL_EXT_framebuffer_object;
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PFNGLISRENDERBUFFEREXTPROC glIsRenderbufferEXT;
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PFNGLBINDRENDERBUFFEREXTPROC glBindRenderbufferEXT;
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PFNGLDELETERENDERBUFFERSEXTPROC glDeleteRenderbuffersEXT;
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PFNGLGENRENDERBUFFERSEXTPROC glGenRenderbuffersEXT;
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PFNGLRENDERBUFFERSTORAGEEXTPROC glRenderbufferStorageEXT;
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PFNGLGETRENDERBUFFERPARAMETERIVEXTPROC glGetRenderbufferParameterivEXT;
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PFNGLISFRAMEBUFFEREXTPROC glIsFramebufferEXT;
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PFNGLBINDFRAMEBUFFEREXTPROC glBindFramebufferEXT;
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PFNGLDELETEFRAMEBUFFERSEXTPROC glDeleteFramebuffersEXT;
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PFNGLGENFRAMEBUFFERSEXTPROC glGenFramebuffersEXT;
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PFNGLCHECKFRAMEBUFFERSTATUSEXTPROC glCheckFramebufferStatusEXT;
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PFNGLFRAMEBUFFERTEXTURE1DEXTPROC glFramebufferTexture1DEXT;
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PFNGLFRAMEBUFFERTEXTURE2DEXTPROC glFramebufferTexture2DEXT;
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PFNGLFRAMEBUFFERTEXTURE3DEXTPROC glFramebufferTexture3DEXT;
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PFNGLFRAMEBUFFERRENDERBUFFEREXTPROC glFramebufferRenderbufferEXT;
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PFNGLGETFRAMEBUFFERATTACHMENTPARAMETERIVEXTPROC glGetFramebufferAttachmentParameterivEXT;
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PFNGLGENERATEMIPMAPEXTPROC glGenerateMipmapEXT;
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void Load( LowLevelWindow *pWind );
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bool HasExtension( const RString &sExt ) const;
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};
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extern GLExt_t GLExt;
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#endif
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/*
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* Copyright (c) 2001-2005 Chris Danford, Glenn Maynard
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* All rights reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, and/or sell copies of the Software, and to permit persons to
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* whom the Software is furnished to do so, provided that the above
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* copyright notice(s) and this permission notice appear in all copies of
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* the Software and that both the above copyright notice(s) and this
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* permission notice appear in supporting documentation.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF
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* THIRD PARTY RIGHTS. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR HOLDERS
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* INCLUDED IN THIS NOTICE BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL INDIRECT
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* OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
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* OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
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* OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
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* PERFORMANCE OF THIS SOFTWARE.
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*/
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