/* * Copyright (C) 2011-2013 Gregory hainaut * Copyright (C) 2007-2009 Gabest * * This Program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2, or (at your option) * any later version. * * This Program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with GNU Make; see the file COPYING. If not, write to * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA USA. * http://www.gnu.org/copyleft/gpl.html * */ #include "stdafx.h" #include "GLLoader.h" #include "GSdx.h" #ifndef ENABLE_GLES PFNGLACTIVETEXTUREPROC gl_ActiveTexture = NULL; PFNGLBLENDCOLORPROC gl_BlendColor = NULL; PFNGLATTACHSHADERPROC gl_AttachShader = NULL; PFNGLBINDBUFFERPROC gl_BindBuffer = NULL; PFNGLBINDBUFFERBASEPROC gl_BindBufferBase = NULL; PFNGLBINDFRAMEBUFFERPROC gl_BindFramebuffer = NULL; PFNGLBINDSAMPLERPROC gl_BindSampler = NULL; PFNGLBINDVERTEXARRAYPROC gl_BindVertexArray = NULL; PFNGLBLENDEQUATIONSEPARATEIARBPROC gl_BlendEquationSeparateiARB = NULL; PFNGLBLENDFUNCSEPARATEIARBPROC gl_BlendFuncSeparateiARB = NULL; PFNGLBLITFRAMEBUFFERPROC gl_BlitFramebuffer = NULL; PFNGLBUFFERDATAPROC gl_BufferData = NULL; PFNGLCHECKFRAMEBUFFERSTATUSPROC gl_CheckFramebufferStatus = NULL; PFNGLCLEARBUFFERFVPROC gl_ClearBufferfv = NULL; PFNGLCLEARBUFFERIVPROC gl_ClearBufferiv = NULL; PFNGLCLEARBUFFERUIVPROC gl_ClearBufferuiv = NULL; PFNGLCOLORMASKIPROC gl_ColorMaski = NULL; PFNGLCOMPILESHADERPROC gl_CompileShader = NULL; PFNGLCREATEPROGRAMPROC gl_CreateProgram = NULL; PFNGLCREATESHADERPROC gl_CreateShader = NULL; PFNGLCREATESHADERPROGRAMVPROC gl_CreateShaderProgramv = NULL; PFNGLDELETEBUFFERSPROC gl_DeleteBuffers = NULL; PFNGLDELETEFRAMEBUFFERSPROC gl_DeleteFramebuffers = NULL; PFNGLDELETEPROGRAMPROC gl_DeleteProgram = NULL; PFNGLDELETESAMPLERSPROC gl_DeleteSamplers = NULL; PFNGLDELETESHADERPROC gl_DeleteShader = NULL; PFNGLDELETEVERTEXARRAYSPROC gl_DeleteVertexArrays = NULL; PFNGLDETACHSHADERPROC gl_DetachShader = NULL; PFNGLDRAWBUFFERSPROC gl_DrawBuffers = NULL; PFNGLDRAWELEMENTSBASEVERTEXPROC gl_DrawElementsBaseVertex = NULL; PFNGLENABLEVERTEXATTRIBARRAYPROC gl_EnableVertexAttribArray = NULL; PFNGLFRAMEBUFFERRENDERBUFFERPROC gl_FramebufferRenderbuffer = NULL; PFNGLFRAMEBUFFERTEXTURE2DPROC gl_FramebufferTexture2D = NULL; PFNGLGENBUFFERSPROC gl_GenBuffers = NULL; PFNGLGENFRAMEBUFFERSPROC gl_GenFramebuffers = NULL; PFNGLGENSAMPLERSPROC gl_GenSamplers = NULL; PFNGLGENVERTEXARRAYSPROC gl_GenVertexArrays = NULL; PFNGLGETBUFFERPARAMETERIVPROC gl_GetBufferParameteriv = NULL; PFNGLGETDEBUGMESSAGELOGARBPROC gl_GetDebugMessageLogARB = NULL; PFNGLGETPROGRAMINFOLOGPROC gl_GetProgramInfoLog = NULL; PFNGLGETPROGRAMIVPROC gl_GetProgramiv = NULL; PFNGLGETSHADERIVPROC gl_GetShaderiv = NULL; PFNGLGETSTRINGIPROC gl_GetStringi = NULL; PFNGLISFRAMEBUFFERPROC gl_IsFramebuffer = NULL; PFNGLLINKPROGRAMPROC gl_LinkProgram = NULL; PFNGLMAPBUFFERPROC gl_MapBuffer = NULL; PFNGLMAPBUFFERRANGEPROC gl_MapBufferRange = NULL; PFNGLPROGRAMPARAMETERIPROC gl_ProgramParameteri = NULL; PFNGLSAMPLERPARAMETERFPROC gl_SamplerParameterf = NULL; PFNGLSAMPLERPARAMETERIPROC gl_SamplerParameteri = NULL; PFNGLSHADERSOURCEPROC gl_ShaderSource = NULL; PFNGLUNIFORM1IPROC gl_Uniform1i = NULL; PFNGLUNMAPBUFFERPROC gl_UnmapBuffer = NULL; PFNGLUSEPROGRAMSTAGESPROC gl_UseProgramStages = NULL; PFNGLVERTEXATTRIBIPOINTERPROC gl_VertexAttribIPointer = NULL; PFNGLVERTEXATTRIBPOINTERPROC gl_VertexAttribPointer = NULL; PFNGLBUFFERSUBDATAPROC gl_BufferSubData = NULL; PFNGLFENCESYNCPROC gl_FenceSync = NULL; PFNGLDELETESYNCPROC gl_DeleteSync = NULL; PFNGLCLIENTWAITSYNCPROC gl_ClientWaitSync = NULL; PFNGLFLUSHMAPPEDBUFFERRANGEPROC gl_FlushMappedBufferRange = NULL; // GL4.0 PFNGLUNIFORMSUBROUTINESUIVPROC gl_UniformSubroutinesuiv = NULL; // GL4.1 PFNGLBINDPROGRAMPIPELINEPROC gl_BindProgramPipeline = NULL; PFNGLGENPROGRAMPIPELINESPROC gl_GenProgramPipelines = NULL; PFNGLDELETEPROGRAMPIPELINESPROC gl_DeleteProgramPipelines = NULL; PFNGLGETPROGRAMPIPELINEIVPROC gl_GetProgramPipelineiv = NULL; PFNGLVALIDATEPROGRAMPIPELINEPROC gl_ValidateProgramPipeline = NULL; PFNGLGETPROGRAMPIPELINEINFOLOGPROC gl_GetProgramPipelineInfoLog = NULL; // NO GL4.1 PFNGLUSEPROGRAMPROC gl_UseProgram = NULL; PFNGLGETSHADERINFOLOGPROC gl_GetShaderInfoLog = NULL; PFNGLPROGRAMUNIFORM1IPROC gl_ProgramUniform1i = NULL; // NO GL4.2 PFNGLGETUNIFORMBLOCKINDEXPROC gl_GetUniformBlockIndex = NULL; PFNGLUNIFORMBLOCKBINDINGPROC gl_UniformBlockBinding = NULL; PFNGLGETUNIFORMLOCATIONPROC gl_GetUniformLocation = NULL; // GL4.3 PFNGLCOPYIMAGESUBDATAPROC gl_CopyImageSubData = NULL; // GL4.2 PFNGLBINDIMAGETEXTUREPROC gl_BindImageTexture = NULL; PFNGLMEMORYBARRIERPROC gl_MemoryBarrier = NULL; PFNGLTEXSTORAGE2DPROC gl_TexStorage2D = NULL; // GL4.4 PFNGLCLEARTEXIMAGEPROC gl_ClearTexImage = NULL; PFNGLBINDTEXTURESPROC gl_BindTextures = NULL; PFNGLBUFFERSTORAGEPROC gl_BufferStorage = NULL; // GL_ARB_bindless_texture (GL5?) PFNGLGETTEXTURESAMPLERHANDLEARBPROC gl_GetTextureSamplerHandleARB = NULL; PFNGLMAKETEXTUREHANDLERESIDENTARBPROC gl_MakeTextureHandleResidentARB = NULL; PFNGLMAKETEXTUREHANDLENONRESIDENTARBPROC gl_MakeTextureHandleNonResidentARB = NULL; PFNGLUNIFORMHANDLEUI64VARBPROC gl_UniformHandleui64vARB = NULL; PFNGLPROGRAMUNIFORMHANDLEUI64VARBPROC gl_ProgramUniformHandleui64vARB = NULL; #endif namespace GLLoader { bool fglrx_buggy_driver = false; bool nvidia_buggy_driver = false; bool in_replayer = false; // Optional bool found_GL_ARB_separate_shader_objects = false; bool found_geometry_shader = true; bool found_only_gl30 = false; // Drop it when mesa support GLSL330 bool found_GL_ARB_clear_texture = false; // Don't know if GL3 GPU can support it bool found_GL_ARB_buffer_storage = false; // GL4 hardware bool found_GL_ARB_copy_image = false; // Not sure actually maybe GL3 GPU can do it bool found_GL_ARB_gpu_shader5 = false; bool found_GL_ARB_shader_image_load_store = false; bool found_GL_ARB_shader_subroutine = false; bool found_GL_ARB_bindless_texture = false; // GL5 GPU? // Mandatory for FULL GL (but optional for GLES) bool found_GL_ARB_multi_bind = false; // Not yet. Wait Mesa & AMD drivers. Note might be deprecated by bindless_texture bool found_GL_ARB_shading_language_420pack = false; // Not yet. Wait Mesa & AMD drivers // Mandatory bool found_GL_ARB_texture_storage = false; static bool status_and_override(bool& found, const std::string& name, bool mandatory = false) { if (!found) { fprintf(stderr, "INFO: %s is not supported\n", name.c_str()); if(mandatory) return false; } std::string opt("override_"); opt += name; if (theApp.GetConfig(opt.c_str(), -1) != -1) { found = !!theApp.GetConfig(opt.c_str(), -1); fprintf(stderr, "Override %s detection (%s)\n", name.c_str(), found ? "Enabled" : "Disabled"); } return true; } bool check_gl_version(uint32 major, uint32 minor) { const GLubyte* s = glGetString(GL_VERSION); if (s == NULL) { fprintf(stderr, "Error: GLLoader failed to get GL version\n"); return false; } const char* vendor = (const char*)glGetString(GL_VENDOR); fprintf(stderr, "Supported Opengl version: %s on GPU: %s. Vendor: %s\n", s, glGetString(GL_RENDERER), vendor); // Name change but driver is still bad! if (strstr(vendor, "ATI") || strstr(vendor, "Advanced Micro Devices")) fglrx_buggy_driver = true; if (strstr(vendor, "NVIDIA Corporation")) nvidia_buggy_driver = true; GLuint dot = 0; while (s[dot] != '\0' && s[dot] != '.') dot++; if (dot == 0) return false; GLuint major_gl = s[dot-1]-'0'; GLuint minor_gl = s[dot+1]-'0'; #ifndef ENABLE_GLES if ( (major_gl < 3) || ( major_gl == 3 && minor_gl < 2 ) ) { fprintf(stderr, "Geometry shaders are not supported. Required openGL 3.2\n"); found_geometry_shader = false; } if (nvidia_buggy_driver) { fprintf(stderr, "Buggy driver detected. Geometry shaders will be disabled\n"); found_geometry_shader = false; } if (theApp.GetConfig("override_geometry_shader", -1) != -1) { found_geometry_shader = !!theApp.GetConfig("override_geometry_shader", -1); fprintf(stderr, "Override geometry shaders detection\n"); } if ( (major_gl == 3) && minor_gl < 3) { // Opensource driver spotted found_only_gl30 = true; } #else found_geometry_shader = false; #endif if ( (major_gl < major) || ( major_gl == major && minor_gl < minor ) ) { fprintf(stderr, "OPENGL %d.%d is not supported\n", major, minor); return false; } return true; } bool check_gl_supported_extension() { int max_ext = 0; glGetIntegerv(GL_NUM_EXTENSIONS, &max_ext); if (gl_GetStringi && max_ext) { for (GLint i = 0; i < max_ext; i++) { string ext((const char*)gl_GetStringi(GL_EXTENSIONS, i)); if (ext.compare("GL_ARB_separate_shader_objects") == 0) { if (!fglrx_buggy_driver) found_GL_ARB_separate_shader_objects = true; else fprintf(stderr, "Buggy driver detected, GL_ARB_separate_shader_objects will be disabled\n"); } if (ext.compare("GL_ARB_shading_language_420pack") == 0) found_GL_ARB_shading_language_420pack = true; if (ext.compare("GL_ARB_texture_storage") == 0) found_GL_ARB_texture_storage = true; if (ext.compare("GL_ARB_copy_image") == 0) found_GL_ARB_copy_image = true; if (ext.compare("GL_ARB_gpu_shader5") == 0) found_GL_ARB_gpu_shader5 = true; if (ext.compare("GL_ARB_shader_image_load_store") == 0) found_GL_ARB_shader_image_load_store = true; #if 0 // Strangely it doesn't provide the speed boost as expected. // Note: only atst/colclip was replaced with subroutine for the moment. It replace 2000 program switch on // colin mcrae 3 by 2100 uniform, but code is slower! // // Current hypothesis: the validation of useprogram is done in the "driver thread" whereas the extra function calls // are done on the overloaded main threads. // Apitrace profiling shows faster GPU draw times if (ext.compare("GL_ARB_shader_subroutine") == 0) found_GL_ARB_shader_subroutine = true; #endif #ifdef GL44 // Need to debug the code first if (ext.compare("GL_ARB_clear_texture") == 0) found_GL_ARB_clear_texture = true; if (ext.compare("GL_ARB_multi_bind") == 0) found_GL_ARB_multi_bind = true; if (ext.compare("GL_ARB_buffer_storage") == 0) found_GL_ARB_buffer_storage = true; #endif #ifdef GLBINDLESS // Need to debug the code first if (ext.compare("GL_ARB_bindless_texture") == 0) found_GL_ARB_bindless_texture = true; #endif #ifdef ENABLE_GLES fprintf(stderr, "DEBUG ext: %s\n", ext.c_str()); #endif } } bool status = true; #ifndef ENABLE_GLES fprintf(stderr, "\n"); status &= status_and_override(found_GL_ARB_separate_shader_objects,"GL_ARB_separate_shader_objects"); status &= status_and_override(found_GL_ARB_gpu_shader5,"GL_ARB_gpu_shader5"); status &= status_and_override(found_GL_ARB_shader_image_load_store,"GL_ARB_shader_image_load_store"); status &= status_and_override(found_GL_ARB_clear_texture,"GL_ARB_clear_texture"); status &= status_and_override(found_GL_ARB_buffer_storage,"GL_ARB_buffer_storage"); status &= status_and_override(found_GL_ARB_shader_subroutine,"GL_ARB_shader_subroutine"); status &= status_and_override(found_GL_ARB_texture_storage, "GL_ARB_texture_storage", true); status &= status_and_override(found_GL_ARB_shading_language_420pack,"GL_ARB_shading_language_420pack"); status &= status_and_override(found_GL_ARB_multi_bind,"GL_ARB_multi_bind"); status &= status_and_override(found_GL_ARB_bindless_texture,"GL_ARB_bindless_texture"); fprintf(stderr, "\n"); #endif return status; } }