1 /* 2 * Mesa 3-D graphics library 3 * Version: 7.1 4 * 5 * Copyright (C) 1999-2007 Brian Paul All Rights Reserved. 6 * 7 * Permission is hereby granted, free of charge, to any person obtaining a 8 * copy of this software and associated documentation files (the "Software"), 9 * to deal in the Software without restriction, including without limitation 10 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 11 * and/or sell copies of the Software, and to permit persons to whom the 12 * Software is furnished to do so, subject to the following conditions: 13 * 14 * The above copyright notice and this permission notice shall be included 15 * in all copies or substantial portions of the Software. 16 * 17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 18 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 20 * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN 21 * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 22 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 23 */ 24 25 26 #include "main/glheader.h" 27 #include "main/imports.h" 28 #include "main/accum.h" 29 #include "main/arrayobj.h" 30 #include "main/context.h" 31 #include "main/framebuffer.h" 32 #include "main/mipmap.h" 33 #include "main/queryobj.h" 34 #include "main/readpix.h" 35 #include "main/renderbuffer.h" 36 #include "main/shaderobj.h" 37 #include "main/texcompress.h" 38 #include "main/texformat.h" 39 #include "main/texgetimage.h" 40 #include "main/teximage.h" 41 #include "main/texobj.h" 42 #include "main/texstore.h" 43 #include "main/bufferobj.h" 44 #include "main/fbobject.h" 45 #include "main/samplerobj.h" 46 #include "main/syncobj.h" 47 #include "main/texturebarrier.h" 48 #include "main/transformfeedback.h" 49 50 #include "program/program.h" 51 #include "tnl/tnl.h" 52 #include "swrast/swrast.h" 53 #include "swrast/s_renderbuffer.h" 54 55 #include "driverfuncs.h" 56 #include "meta.h" 57 58 59 60 /** 61 * Plug in default functions for all pointers in the dd_function_table 62 * structure. 63 * Device drivers should call this function and then plug in any 64 * functions which it wants to override. 65 * Some functions (pointers) MUST be implemented by all drivers (REQUIRED). 66 * 67 * \param table the dd_function_table to initialize 68 */ 69 void 70 _mesa_init_driver_functions(struct dd_function_table *driver) 71 { 72 memset(driver, 0, sizeof(*driver)); 73 74 driver->GetString = NULL; /* REQUIRED! */ 75 driver->UpdateState = NULL; /* REQUIRED! */ 76 driver->GetBufferSize = NULL; /* REQUIRED! */ 77 driver->ResizeBuffers = _mesa_resize_framebuffer; 78 driver->Error = NULL; 79 80 driver->Finish = NULL; 81 driver->Flush = NULL; 82 83 /* framebuffer/image functions */ 84 driver->Clear = _swrast_Clear; 85 driver->Accum = _mesa_accum; 86 driver->RasterPos = _tnl_RasterPos; 87 driver->DrawPixels = _swrast_DrawPixels; 88 driver->ReadPixels = _mesa_readpixels; 89 driver->CopyPixels = _swrast_CopyPixels; 90 driver->Bitmap = _swrast_Bitmap; 91 92 /* Texture functions */ 93 driver->ChooseTextureFormat = _mesa_choose_tex_format; 94 driver->TexImage = _mesa_store_teximage; 95 driver->TexSubImage = _mesa_store_texsubimage; 96 driver->GetTexImage = _mesa_meta_GetTexImage; 97 driver->CopyTexSubImage = _mesa_meta_CopyTexSubImage; 98 driver->GenerateMipmap = _mesa_meta_GenerateMipmap; 99 driver->TestProxyTexImage = _mesa_test_proxy_teximage; 100 driver->CompressedTexImage = _mesa_store_compressed_teximage; 101 driver->CompressedTexSubImage = _mesa_store_compressed_texsubimage; 102 driver->GetCompressedTexImage = _mesa_get_compressed_teximage; 103 driver->BindTexture = NULL; 104 driver->NewTextureObject = _mesa_new_texture_object; 105 driver->DeleteTexture = _mesa_delete_texture_object; 106 driver->NewTextureImage = _swrast_new_texture_image; 107 driver->DeleteTextureImage = _swrast_delete_texture_image; 108 driver->AllocTextureImageBuffer = _swrast_alloc_texture_image_buffer; 109 driver->FreeTextureImageBuffer = _swrast_free_texture_image_buffer; 110 driver->MapTextureImage = _swrast_map_teximage; 111 driver->UnmapTextureImage = _swrast_unmap_teximage; 112 driver->DrawTex = _mesa_meta_DrawTex; 113 114 /* Vertex/fragment programs */ 115 driver->BindProgram = NULL; 116 driver->NewProgram = _mesa_new_program; 117 driver->DeleteProgram = _mesa_delete_program; 118 119 /* simple state commands */ 120 driver->AlphaFunc = NULL; 121 driver->BlendColor = NULL; 122 driver->BlendEquationSeparate = NULL; 123 driver->BlendFuncSeparate = NULL; 124 driver->ClipPlane = NULL; 125 driver->ColorMask = NULL; 126 driver->ColorMaterial = NULL; 127 driver->CullFace = NULL; 128 driver->DrawBuffer = NULL; 129 driver->DrawBuffers = NULL; 130 driver->FrontFace = NULL; 131 driver->DepthFunc = NULL; 132 driver->DepthMask = NULL; 133 driver->DepthRange = NULL; 134 driver->Enable = NULL; 135 driver->Fogfv = NULL; 136 driver->Hint = NULL; 137 driver->Lightfv = NULL; 138 driver->LightModelfv = NULL; 139 driver->LineStipple = NULL; 140 driver->LineWidth = NULL; 141 driver->LogicOpcode = NULL; 142 driver->PointParameterfv = NULL; 143 driver->PointSize = NULL; 144 driver->PolygonMode = NULL; 145 driver->PolygonOffset = NULL; 146 driver->PolygonStipple = NULL; 147 driver->ReadBuffer = NULL; 148 driver->RenderMode = NULL; 149 driver->Scissor = NULL; 150 driver->ShadeModel = NULL; 151 driver->StencilFuncSeparate = NULL; 152 driver->StencilOpSeparate = NULL; 153 driver->StencilMaskSeparate = NULL; 154 driver->TexGen = NULL; 155 driver->TexEnv = NULL; 156 driver->TexParameter = NULL; 157 driver->Viewport = NULL; 158 159 /* buffer objects */ 160 _mesa_init_buffer_object_functions(driver); 161 162 /* query objects */ 163 _mesa_init_query_object_functions(driver); 164 165 _mesa_init_sync_object_functions(driver); 166 167 driver->NewFramebuffer = _mesa_new_framebuffer; 168 driver->NewRenderbuffer = _swrast_new_soft_renderbuffer; 169 driver->MapRenderbuffer = _swrast_map_soft_renderbuffer; 170 driver->UnmapRenderbuffer = _swrast_unmap_soft_renderbuffer; 171 driver->RenderTexture = _swrast_render_texture; 172 driver->FinishRenderTexture = _swrast_finish_render_texture; 173 driver->FramebufferRenderbuffer = _mesa_framebuffer_renderbuffer; 174 driver->ValidateFramebuffer = _mesa_validate_framebuffer; 175 176 driver->BlitFramebuffer = _swrast_BlitFramebuffer; 177 178 _mesa_init_texture_barrier_functions(driver); 179 180 /* APPLE_vertex_array_object */ 181 driver->NewArrayObject = _mesa_new_array_object; 182 driver->DeleteArrayObject = _mesa_delete_array_object; 183 driver->BindArrayObject = NULL; 184 185 _mesa_init_shader_object_functions(driver); 186 187 _mesa_init_transform_feedback_functions(driver); 188 189 _mesa_init_sampler_object_functions(driver); 190 191 /* T&L stuff */ 192 driver->CurrentExecPrimitive = 0; 193 driver->CurrentSavePrimitive = 0; 194 driver->NeedFlush = 0; 195 driver->SaveNeedFlush = 0; 196 197 driver->ProgramStringNotify = _tnl_program_string; 198 driver->FlushVertices = NULL; 199 driver->SaveFlushVertices = NULL; 200 driver->PrepareExecBegin = NULL; 201 driver->NotifySaveBegin = NULL; 202 driver->LightingSpaceChange = NULL; 203 204 /* display list */ 205 driver->NewList = NULL; 206 driver->EndList = NULL; 207 driver->BeginCallList = NULL; 208 driver->EndCallList = NULL; 209 210 /* GL_ARB_texture_storage */ 211 driver->AllocTextureStorage = _swrast_AllocTextureStorage; 212 } 213 214 215 /** 216 * Call the ctx->Driver.* state functions with current values to initialize 217 * driver state. 218 * Only the Intel drivers use this so far. 219 */ 220 void 221 _mesa_init_driver_state(struct gl_context *ctx) 222 { 223 ctx->Driver.AlphaFunc(ctx, ctx->Color.AlphaFunc, ctx->Color.AlphaRef); 224 225 ctx->Driver.BlendColor(ctx, ctx->Color.BlendColor); 226 227 ctx->Driver.BlendEquationSeparate(ctx, 228 ctx->Color.Blend[0].EquationRGB, 229 ctx->Color.Blend[0].EquationA); 230 231 ctx->Driver.BlendFuncSeparate(ctx, 232 ctx->Color.Blend[0].SrcRGB, 233 ctx->Color.Blend[0].DstRGB, 234 ctx->Color.Blend[0].SrcA, 235 ctx->Color.Blend[0].DstA); 236 237 if (ctx->Driver.ColorMaskIndexed) { 238 GLuint i; 239 for (i = 0; i < ctx->Const.MaxDrawBuffers; i++) { 240 ctx->Driver.ColorMaskIndexed(ctx, i, 241 ctx->Color.ColorMask[i][RCOMP], 242 ctx->Color.ColorMask[i][GCOMP], 243 ctx->Color.ColorMask[i][BCOMP], 244 ctx->Color.ColorMask[i][ACOMP]); 245 } 246 } 247 else { 248 ctx->Driver.ColorMask(ctx, 249 ctx->Color.ColorMask[0][RCOMP], 250 ctx->Color.ColorMask[0][GCOMP], 251 ctx->Color.ColorMask[0][BCOMP], 252 ctx->Color.ColorMask[0][ACOMP]); 253 } 254 255 ctx->Driver.CullFace(ctx, ctx->Polygon.CullFaceMode); 256 ctx->Driver.DepthFunc(ctx, ctx->Depth.Func); 257 ctx->Driver.DepthMask(ctx, ctx->Depth.Mask); 258 259 ctx->Driver.Enable(ctx, GL_ALPHA_TEST, ctx->Color.AlphaEnabled); 260 ctx->Driver.Enable(ctx, GL_BLEND, ctx->Color.BlendEnabled); 261 ctx->Driver.Enable(ctx, GL_COLOR_LOGIC_OP, ctx->Color.ColorLogicOpEnabled); 262 ctx->Driver.Enable(ctx, GL_COLOR_SUM, ctx->Fog.ColorSumEnabled); 263 ctx->Driver.Enable(ctx, GL_CULL_FACE, ctx->Polygon.CullFlag); 264 ctx->Driver.Enable(ctx, GL_DEPTH_TEST, ctx->Depth.Test); 265 ctx->Driver.Enable(ctx, GL_DITHER, ctx->Color.DitherFlag); 266 ctx->Driver.Enable(ctx, GL_FOG, ctx->Fog.Enabled); 267 ctx->Driver.Enable(ctx, GL_LIGHTING, ctx->Light.Enabled); 268 ctx->Driver.Enable(ctx, GL_LINE_SMOOTH, ctx->Line.SmoothFlag); 269 ctx->Driver.Enable(ctx, GL_POLYGON_STIPPLE, ctx->Polygon.StippleFlag); 270 ctx->Driver.Enable(ctx, GL_SCISSOR_TEST, ctx->Scissor.Enabled); 271 ctx->Driver.Enable(ctx, GL_STENCIL_TEST, ctx->Stencil._Enabled); 272 ctx->Driver.Enable(ctx, GL_TEXTURE_1D, GL_FALSE); 273 ctx->Driver.Enable(ctx, GL_TEXTURE_2D, GL_FALSE); 274 ctx->Driver.Enable(ctx, GL_TEXTURE_RECTANGLE_NV, GL_FALSE); 275 ctx->Driver.Enable(ctx, GL_TEXTURE_3D, GL_FALSE); 276 ctx->Driver.Enable(ctx, GL_TEXTURE_CUBE_MAP, GL_FALSE); 277 278 ctx->Driver.Fogfv(ctx, GL_FOG_COLOR, ctx->Fog.Color); 279 { 280 GLfloat mode = (GLfloat) ctx->Fog.Mode; 281 ctx->Driver.Fogfv(ctx, GL_FOG_MODE, &mode); 282 } 283 ctx->Driver.Fogfv(ctx, GL_FOG_DENSITY, &ctx->Fog.Density); 284 ctx->Driver.Fogfv(ctx, GL_FOG_START, &ctx->Fog.Start); 285 ctx->Driver.Fogfv(ctx, GL_FOG_END, &ctx->Fog.End); 286 287 ctx->Driver.FrontFace(ctx, ctx->Polygon.FrontFace); 288 289 { 290 GLfloat f = (GLfloat) ctx->Light.Model.ColorControl; 291 ctx->Driver.LightModelfv(ctx, GL_LIGHT_MODEL_COLOR_CONTROL, &f); 292 } 293 294 ctx->Driver.LineWidth(ctx, ctx->Line.Width); 295 ctx->Driver.LogicOpcode(ctx, ctx->Color.LogicOp); 296 ctx->Driver.PointSize(ctx, ctx->Point.Size); 297 ctx->Driver.PolygonStipple(ctx, (const GLubyte *) ctx->PolygonStipple); 298 ctx->Driver.Scissor(ctx, ctx->Scissor.X, ctx->Scissor.Y, 299 ctx->Scissor.Width, ctx->Scissor.Height); 300 ctx->Driver.ShadeModel(ctx, ctx->Light.ShadeModel); 301 ctx->Driver.StencilFuncSeparate(ctx, GL_FRONT, 302 ctx->Stencil.Function[0], 303 ctx->Stencil.Ref[0], 304 ctx->Stencil.ValueMask[0]); 305 ctx->Driver.StencilFuncSeparate(ctx, GL_BACK, 306 ctx->Stencil.Function[1], 307 ctx->Stencil.Ref[1], 308 ctx->Stencil.ValueMask[1]); 309 ctx->Driver.StencilMaskSeparate(ctx, GL_FRONT, ctx->Stencil.WriteMask[0]); 310 ctx->Driver.StencilMaskSeparate(ctx, GL_BACK, ctx->Stencil.WriteMask[1]); 311 ctx->Driver.StencilOpSeparate(ctx, GL_FRONT, 312 ctx->Stencil.FailFunc[0], 313 ctx->Stencil.ZFailFunc[0], 314 ctx->Stencil.ZPassFunc[0]); 315 ctx->Driver.StencilOpSeparate(ctx, GL_BACK, 316 ctx->Stencil.FailFunc[1], 317 ctx->Stencil.ZFailFunc[1], 318 ctx->Stencil.ZPassFunc[1]); 319 320 321 ctx->Driver.DrawBuffer(ctx, ctx->Color.DrawBuffer[0]); 322 } 323
