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