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 53 #include "program/program.h" 54 #include "tnl/tnl.h" 55 #include "swrast/swrast.h" 56 #include "swrast/s_renderbuffer.h" 57 58 #include "driverfuncs.h" 59 #include "meta.h" 60 61 62 63 /** 64 * Plug in default functions for all pointers in the dd_function_table 65 * structure. 66 * Device drivers should call this function and then plug in any 67 * functions which it wants to override. 68 * Some functions (pointers) MUST be implemented by all drivers (REQUIRED). 69 * 70 * \param table the dd_function_table to initialize 71 */ 72 void 73 _mesa_init_driver_functions(struct dd_function_table *driver) 74 { 75 memset(driver, 0, sizeof(*driver)); 76 77 driver->GetString = NULL; /* REQUIRED! */ 78 driver->UpdateState = NULL; /* REQUIRED! */ 79 80 driver->Finish = NULL; 81 driver->Flush = NULL; 82 83 /* framebuffer/image functions */ 84 driver->Clear = _swrast_Clear; 85 driver->RasterPos = _mesa_RasterPos; 86 driver->DrawPixels = _swrast_DrawPixels; 87 driver->ReadPixels = _mesa_readpixels; 88 driver->CopyPixels = _swrast_CopyPixels; 89 driver->Bitmap = _swrast_Bitmap; 90 91 /* Texture functions */ 92 driver->ChooseTextureFormat = _mesa_choose_tex_format; 93 driver->QueryInternalFormat = _mesa_query_internal_format_default; 94 driver->TexImage = _mesa_store_teximage; 95 driver->TexSubImage = _mesa_store_texsubimage; 96 driver->GetTexSubImage = _mesa_meta_GetTexSubImage; 97 driver->ClearTexSubImage = _mesa_meta_ClearTexSubImage; 98 driver->CopyTexSubImage = _mesa_meta_CopyTexSubImage; 99 driver->GenerateMipmap = _mesa_meta_GenerateMipmap; 100 driver->TestProxyTexImage = _mesa_test_proxy_teximage; 101 driver->CompressedTexImage = _mesa_store_compressed_teximage; 102 driver->CompressedTexSubImage = _mesa_store_compressed_texsubimage; 103 driver->GetCompressedTexSubImage = _mesa_GetCompressedTexSubImage_sw; 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->BindProgram = NULL; 117 driver->NewProgram = _mesa_new_program; 118 driver->DeleteProgram = _mesa_delete_program; 119 120 /* ATI_fragment_shader */ 121 driver->NewATIfs = NULL; 122 123 /* simple state commands */ 124 driver->AlphaFunc = NULL; 125 driver->BlendColor = NULL; 126 driver->BlendEquationSeparate = NULL; 127 driver->BlendFuncSeparate = NULL; 128 driver->ClipPlane = NULL; 129 driver->ColorMask = NULL; 130 driver->ColorMaterial = NULL; 131 driver->CullFace = NULL; 132 driver->DrawBuffer = NULL; 133 driver->DrawBuffers = NULL; 134 driver->FrontFace = NULL; 135 driver->DepthFunc = NULL; 136 driver->DepthMask = NULL; 137 driver->DepthRange = NULL; 138 driver->Enable = NULL; 139 driver->Fogfv = NULL; 140 driver->Lightfv = NULL; 141 driver->LightModelfv = NULL; 142 driver->LineStipple = NULL; 143 driver->LineWidth = NULL; 144 driver->LogicOpcode = NULL; 145 driver->PointParameterfv = NULL; 146 driver->PointSize = NULL; 147 driver->PolygonMode = NULL; 148 driver->PolygonOffset = NULL; 149 driver->PolygonStipple = NULL; 150 driver->ReadBuffer = NULL; 151 driver->RenderMode = NULL; 152 driver->Scissor = NULL; 153 driver->ShadeModel = NULL; 154 driver->StencilFuncSeparate = NULL; 155 driver->StencilOpSeparate = NULL; 156 driver->StencilMaskSeparate = NULL; 157 driver->TexGen = NULL; 158 driver->TexEnv = NULL; 159 driver->TexParameter = NULL; 160 driver->Viewport = NULL; 161 162 /* buffer objects */ 163 _mesa_init_buffer_object_functions(driver); 164 165 /* query objects */ 166 _mesa_init_query_object_functions(driver); 167 168 _mesa_init_sync_object_functions(driver); 169 170 driver->NewFramebuffer = _mesa_new_framebuffer; 171 driver->NewRenderbuffer = _swrast_new_soft_renderbuffer; 172 driver->MapRenderbuffer = _swrast_map_soft_renderbuffer; 173 driver->UnmapRenderbuffer = _swrast_unmap_soft_renderbuffer; 174 driver->RenderTexture = _swrast_render_texture; 175 driver->FinishRenderTexture = _swrast_finish_render_texture; 176 driver->FramebufferRenderbuffer = _mesa_FramebufferRenderbuffer_sw; 177 driver->ValidateFramebuffer = _mesa_validate_framebuffer; 178 179 driver->BlitFramebuffer = _swrast_BlitFramebuffer; 180 driver->DiscardFramebuffer = NULL; 181 182 _mesa_init_barrier_functions(driver); 183 _mesa_init_shader_object_functions(driver); 184 _mesa_init_transform_feedback_functions(driver); 185 _mesa_init_sampler_object_functions(driver); 186 187 /* T&L stuff */ 188 driver->CurrentExecPrimitive = 0; 189 driver->CurrentSavePrimitive = 0; 190 driver->NeedFlush = 0; 191 driver->SaveNeedFlush = 0; 192 193 driver->ProgramStringNotify = _tnl_program_string; 194 driver->LightingSpaceChange = NULL; 195 196 /* GL_ARB_texture_storage */ 197 driver->AllocTextureStorage = _mesa_AllocTextureStorage_sw; 198 199 /* GL_ARB_texture_view */ 200 driver->TextureView = NULL; 201 202 /* GL_ARB_texture_multisample */ 203 driver->GetSamplePosition = NULL; 204 } 205 206 207 /** 208 * Call the ctx->Driver.* state functions with current values to initialize 209 * driver state. 210 * Only the Intel drivers use this so far. 211 */ 212 void 213 _mesa_init_driver_state(struct gl_context *ctx) 214 { 215 ctx->Driver.AlphaFunc(ctx, ctx->Color.AlphaFunc, ctx->Color.AlphaRef); 216 217 ctx->Driver.BlendColor(ctx, ctx->Color.BlendColor); 218 219 ctx->Driver.BlendEquationSeparate(ctx, 220 ctx->Color.Blend[0].EquationRGB, 221 ctx->Color.Blend[0].EquationA); 222 223 ctx->Driver.BlendFuncSeparate(ctx, 224 ctx->Color.Blend[0].SrcRGB, 225 ctx->Color.Blend[0].DstRGB, 226 ctx->Color.Blend[0].SrcA, 227 ctx->Color.Blend[0].DstA); 228 229 ctx->Driver.ColorMask(ctx, 230 ctx->Color.ColorMask[0][RCOMP], 231 ctx->Color.ColorMask[0][GCOMP], 232 ctx->Color.ColorMask[0][BCOMP], 233 ctx->Color.ColorMask[0][ACOMP]); 234 235 ctx->Driver.CullFace(ctx, ctx->Polygon.CullFaceMode); 236 ctx->Driver.DepthFunc(ctx, ctx->Depth.Func); 237 ctx->Driver.DepthMask(ctx, ctx->Depth.Mask); 238 239 ctx->Driver.Enable(ctx, GL_ALPHA_TEST, ctx->Color.AlphaEnabled); 240 ctx->Driver.Enable(ctx, GL_BLEND, ctx->Color.BlendEnabled); 241 ctx->Driver.Enable(ctx, GL_COLOR_LOGIC_OP, ctx->Color.ColorLogicOpEnabled); 242 ctx->Driver.Enable(ctx, GL_COLOR_SUM, ctx->Fog.ColorSumEnabled); 243 ctx->Driver.Enable(ctx, GL_CULL_FACE, ctx->Polygon.CullFlag); 244 ctx->Driver.Enable(ctx, GL_DEPTH_TEST, ctx->Depth.Test); 245 ctx->Driver.Enable(ctx, GL_DITHER, ctx->Color.DitherFlag); 246 ctx->Driver.Enable(ctx, GL_FOG, ctx->Fog.Enabled); 247 ctx->Driver.Enable(ctx, GL_LIGHTING, ctx->Light.Enabled); 248 ctx->Driver.Enable(ctx, GL_LINE_SMOOTH, ctx->Line.SmoothFlag); 249 ctx->Driver.Enable(ctx, GL_POLYGON_STIPPLE, ctx->Polygon.StippleFlag); 250 ctx->Driver.Enable(ctx, GL_SCISSOR_TEST, ctx->Scissor.EnableFlags); 251 ctx->Driver.Enable(ctx, GL_STENCIL_TEST, ctx->Stencil._Enabled); 252 ctx->Driver.Enable(ctx, GL_TEXTURE_1D, GL_FALSE); 253 ctx->Driver.Enable(ctx, GL_TEXTURE_2D, GL_FALSE); 254 ctx->Driver.Enable(ctx, GL_TEXTURE_RECTANGLE_NV, GL_FALSE); 255 ctx->Driver.Enable(ctx, GL_TEXTURE_3D, GL_FALSE); 256 ctx->Driver.Enable(ctx, GL_TEXTURE_CUBE_MAP, GL_FALSE); 257 258 ctx->Driver.Fogfv(ctx, GL_FOG_COLOR, ctx->Fog.Color); 259 { 260 GLfloat mode = (GLfloat) ctx->Fog.Mode; 261 ctx->Driver.Fogfv(ctx, GL_FOG_MODE, &mode); 262 } 263 ctx->Driver.Fogfv(ctx, GL_FOG_DENSITY, &ctx->Fog.Density); 264 ctx->Driver.Fogfv(ctx, GL_FOG_START, &ctx->Fog.Start); 265 ctx->Driver.Fogfv(ctx, GL_FOG_END, &ctx->Fog.End); 266 267 ctx->Driver.FrontFace(ctx, ctx->Polygon.FrontFace); 268 269 { 270 GLfloat f = (GLfloat) ctx->Light.Model.ColorControl; 271 ctx->Driver.LightModelfv(ctx, GL_LIGHT_MODEL_COLOR_CONTROL, &f); 272 } 273 274 ctx->Driver.LineWidth(ctx, ctx->Line.Width); 275 ctx->Driver.LogicOpcode(ctx, ctx->Color.LogicOp); 276 ctx->Driver.PointSize(ctx, ctx->Point.Size); 277 ctx->Driver.PolygonStipple(ctx, (const GLubyte *) ctx->PolygonStipple); 278 ctx->Driver.Scissor(ctx); 279 ctx->Driver.ShadeModel(ctx, ctx->Light.ShadeModel); 280 ctx->Driver.StencilFuncSeparate(ctx, GL_FRONT, 281 ctx->Stencil.Function[0], 282 ctx->Stencil.Ref[0], 283 ctx->Stencil.ValueMask[0]); 284 ctx->Driver.StencilFuncSeparate(ctx, GL_BACK, 285 ctx->Stencil.Function[1], 286 ctx->Stencil.Ref[1], 287 ctx->Stencil.ValueMask[1]); 288 ctx->Driver.StencilMaskSeparate(ctx, GL_FRONT, ctx->Stencil.WriteMask[0]); 289 ctx->Driver.StencilMaskSeparate(ctx, GL_BACK, ctx->Stencil.WriteMask[1]); 290 ctx->Driver.StencilOpSeparate(ctx, GL_FRONT, 291 ctx->Stencil.FailFunc[0], 292 ctx->Stencil.ZFailFunc[0], 293 ctx->Stencil.ZPassFunc[0]); 294 ctx->Driver.StencilOpSeparate(ctx, GL_BACK, 295 ctx->Stencil.FailFunc[1], 296 ctx->Stencil.ZFailFunc[1], 297 ctx->Stencil.ZPassFunc[1]); 298 299 300 ctx->Driver.DrawBuffer(ctx, ctx->Color.DrawBuffer[0]); 301 } 302
