driverfuncs.c revision 62c66b34303303e6786652efa611a100ae64439a
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/arrayobj.h" 29#include "main/context.h" 30#include "main/framebuffer.h" 31#include "main/mipmap.h" 32#include "main/queryobj.h" 33#include "main/renderbuffer.h" 34#include "main/shaderobj.h" 35#include "main/texcompress.h" 36#include "main/texformat.h" 37#include "main/texgetimage.h" 38#include "main/teximage.h" 39#include "main/texobj.h" 40#include "main/texstore.h" 41#include "main/bufferobj.h" 42#include "main/fbobject.h" 43#include "main/texrender.h" 44#include "main/syncobj.h" 45#include "main/transformfeedback.h" 46 47#include "program/program.h" 48#include "tnl/tnl.h" 49#include "swrast/swrast.h" 50 51#include "driverfuncs.h" 52#include "meta.h" 53 54 55 56/** 57 * Plug in default functions for all pointers in the dd_function_table 58 * structure. 59 * Device drivers should call this function and then plug in any 60 * functions which it wants to override. 61 * Some functions (pointers) MUST be implemented by all drivers (REQUIRED). 62 * 63 * \param table the dd_function_table to initialize 64 */ 65void 66_mesa_init_driver_functions(struct dd_function_table *driver) 67{ 68 memset(driver, 0, sizeof(*driver)); 69 70 driver->GetString = NULL; /* REQUIRED! */ 71 driver->UpdateState = NULL; /* REQUIRED! */ 72 driver->GetBufferSize = NULL; /* REQUIRED! */ 73 driver->ResizeBuffers = _mesa_resize_framebuffer; 74 driver->Error = NULL; 75 76 driver->Finish = NULL; 77 driver->Flush = NULL; 78 79 /* framebuffer/image functions */ 80 driver->Clear = _swrast_Clear; 81 driver->Accum = _swrast_Accum; 82 driver->RasterPos = _tnl_RasterPos; 83 driver->DrawPixels = _swrast_DrawPixels; 84 driver->ReadPixels = _swrast_ReadPixels; 85 driver->CopyPixels = _swrast_CopyPixels; 86 driver->Bitmap = _swrast_Bitmap; 87 88 /* Texture functions */ 89 driver->ChooseTextureFormat = _mesa_choose_tex_format; 90 driver->TexImage1D = _mesa_store_teximage1d; 91 driver->TexImage2D = _mesa_store_teximage2d; 92 driver->TexImage3D = _mesa_store_teximage3d; 93 driver->TexSubImage1D = _mesa_store_texsubimage1d; 94 driver->TexSubImage2D = _mesa_store_texsubimage2d; 95 driver->TexSubImage3D = _mesa_store_texsubimage3d; 96 driver->GetTexImage = _mesa_get_teximage; 97 driver->CopyTexImage1D = _mesa_meta_CopyTexImage1D; 98 driver->CopyTexImage2D = _mesa_meta_CopyTexImage2D; 99 driver->CopyTexSubImage1D = _mesa_meta_CopyTexSubImage1D; 100 driver->CopyTexSubImage2D = _mesa_meta_CopyTexSubImage2D; 101 driver->CopyTexSubImage3D = _mesa_meta_CopyTexSubImage3D; 102 driver->GenerateMipmap = _mesa_meta_GenerateMipmap; 103 driver->TestProxyTexImage = _mesa_test_proxy_teximage; 104 driver->CompressedTexImage1D = _mesa_store_compressed_teximage1d; 105 driver->CompressedTexImage2D = _mesa_store_compressed_teximage2d; 106 driver->CompressedTexImage3D = _mesa_store_compressed_teximage3d; 107 driver->CompressedTexSubImage1D = _mesa_store_compressed_texsubimage1d; 108 driver->CompressedTexSubImage2D = _mesa_store_compressed_texsubimage2d; 109 driver->CompressedTexSubImage3D = _mesa_store_compressed_texsubimage3d; 110 driver->GetCompressedTexImage = _mesa_get_compressed_teximage; 111 driver->BindTexture = NULL; 112 driver->NewTextureObject = _mesa_new_texture_object; 113 driver->DeleteTexture = _mesa_delete_texture_object; 114 driver->NewTextureImage = _mesa_new_texture_image; 115 driver->FreeTexImageData = _mesa_free_texture_image_data; 116 driver->MapTexture = NULL; 117 driver->UnmapTexture = NULL; 118 driver->TextureMemCpy = memcpy; 119 driver->IsTextureResident = NULL; 120 driver->UpdateTexturePalette = NULL; 121 122 /* imaging */ 123 driver->CopyColorTable = _mesa_meta_CopyColorTable; 124 driver->CopyColorSubTable = _mesa_meta_CopyColorSubTable; 125 126 /* Vertex/fragment programs */ 127 driver->BindProgram = NULL; 128 driver->NewProgram = _mesa_new_program; 129 driver->DeleteProgram = _mesa_delete_program; 130 131 /* simple state commands */ 132 driver->AlphaFunc = NULL; 133 driver->BlendColor = NULL; 134 driver->BlendEquationSeparate = NULL; 135 driver->BlendFuncSeparate = NULL; 136 driver->ClearColor = NULL; 137 driver->ClearDepth = NULL; 138 driver->ClearStencil = NULL; 139 driver->ClipPlane = NULL; 140 driver->ColorMask = NULL; 141 driver->ColorMaterial = NULL; 142 driver->CullFace = NULL; 143 driver->DrawBuffer = NULL; 144 driver->DrawBuffers = NULL; 145 driver->FrontFace = NULL; 146 driver->DepthFunc = NULL; 147 driver->DepthMask = NULL; 148 driver->DepthRange = NULL; 149 driver->Enable = NULL; 150 driver->Fogfv = NULL; 151 driver->Hint = NULL; 152 driver->Lightfv = NULL; 153 driver->LightModelfv = NULL; 154 driver->LineStipple = NULL; 155 driver->LineWidth = NULL; 156 driver->LogicOpcode = NULL; 157 driver->PointParameterfv = NULL; 158 driver->PointSize = NULL; 159 driver->PolygonMode = NULL; 160 driver->PolygonOffset = NULL; 161 driver->PolygonStipple = NULL; 162 driver->ReadBuffer = NULL; 163 driver->RenderMode = NULL; 164 driver->Scissor = NULL; 165 driver->ShadeModel = NULL; 166 driver->StencilFuncSeparate = NULL; 167 driver->StencilOpSeparate = NULL; 168 driver->StencilMaskSeparate = NULL; 169 driver->TexGen = NULL; 170 driver->TexEnv = NULL; 171 driver->TexParameter = NULL; 172 driver->Viewport = NULL; 173 174 /* buffer objects */ 175 _mesa_init_buffer_object_functions(driver); 176 177 /* query objects */ 178 _mesa_init_query_object_functions(driver); 179 180 _mesa_init_sync_object_functions(driver); 181 182 driver->NewFramebuffer = _mesa_new_framebuffer; 183 driver->NewRenderbuffer = _mesa_new_soft_renderbuffer; 184 driver->RenderTexture = _mesa_render_texture; 185 driver->FinishRenderTexture = _mesa_finish_render_texture; 186 driver->FramebufferRenderbuffer = _mesa_framebuffer_renderbuffer; 187 driver->ValidateFramebuffer = _mesa_validate_framebuffer; 188 189 driver->BlitFramebuffer = _swrast_BlitFramebuffer; 190 191 /* APPLE_vertex_array_object */ 192 driver->NewArrayObject = _mesa_new_array_object; 193 driver->DeleteArrayObject = _mesa_delete_array_object; 194 driver->BindArrayObject = NULL; 195 196 _mesa_init_shader_object_functions(driver); 197 198 _mesa_init_transform_feedback_functions(driver); 199 200 /* T&L stuff */ 201 driver->NeedValidate = GL_FALSE; 202 driver->ValidateTnlModule = NULL; 203 driver->CurrentExecPrimitive = 0; 204 driver->CurrentSavePrimitive = 0; 205 driver->NeedFlush = 0; 206 driver->SaveNeedFlush = 0; 207 208 driver->ProgramStringNotify = _tnl_program_string; 209 driver->FlushVertices = NULL; 210 driver->SaveFlushVertices = NULL; 211 driver->NotifySaveBegin = NULL; 212 driver->LightingSpaceChange = NULL; 213 214 /* display list */ 215 driver->NewList = NULL; 216 driver->EndList = NULL; 217 driver->BeginCallList = NULL; 218 driver->EndCallList = NULL; 219} 220 221 222/** 223 * Call the ctx->Driver.* state functions with current values to initialize 224 * driver state. 225 * Only the Intel drivers use this so far. 226 */ 227void 228_mesa_init_driver_state(struct gl_context *ctx) 229{ 230 ctx->Driver.AlphaFunc(ctx, ctx->Color.AlphaFunc, ctx->Color.AlphaRef); 231 232 ctx->Driver.BlendColor(ctx, ctx->Color.BlendColor); 233 234 ctx->Driver.BlendEquationSeparate(ctx, 235 ctx->Color.Blend[0].EquationRGB, 236 ctx->Color.Blend[0].EquationA); 237 238 ctx->Driver.BlendFuncSeparate(ctx, 239 ctx->Color.Blend[0].SrcRGB, 240 ctx->Color.Blend[0].DstRGB, 241 ctx->Color.Blend[0].SrcA, 242 ctx->Color.Blend[0].DstA); 243 244 if (ctx->Driver.ColorMaskIndexed) { 245 GLuint i; 246 for (i = 0; i < ctx->Const.MaxDrawBuffers; i++) { 247 ctx->Driver.ColorMaskIndexed(ctx, i, 248 ctx->Color.ColorMask[0][RCOMP], 249 ctx->Color.ColorMask[0][GCOMP], 250 ctx->Color.ColorMask[0][BCOMP], 251 ctx->Color.ColorMask[0][ACOMP]); 252 } 253 } 254 else { 255 ctx->Driver.ColorMask(ctx, 256 ctx->Color.ColorMask[0][RCOMP], 257 ctx->Color.ColorMask[0][GCOMP], 258 ctx->Color.ColorMask[0][BCOMP], 259 ctx->Color.ColorMask[0][ACOMP]); 260 } 261 262 ctx->Driver.CullFace(ctx, ctx->Polygon.CullFaceMode); 263 ctx->Driver.DepthFunc(ctx, ctx->Depth.Func); 264 ctx->Driver.DepthMask(ctx, ctx->Depth.Mask); 265 266 ctx->Driver.Enable(ctx, GL_ALPHA_TEST, ctx->Color.AlphaEnabled); 267 ctx->Driver.Enable(ctx, GL_BLEND, ctx->Color.BlendEnabled); 268 ctx->Driver.Enable(ctx, GL_COLOR_LOGIC_OP, ctx->Color.ColorLogicOpEnabled); 269 ctx->Driver.Enable(ctx, GL_COLOR_SUM, ctx->Fog.ColorSumEnabled); 270 ctx->Driver.Enable(ctx, GL_CULL_FACE, ctx->Polygon.CullFlag); 271 ctx->Driver.Enable(ctx, GL_DEPTH_TEST, ctx->Depth.Test); 272 ctx->Driver.Enable(ctx, GL_DITHER, ctx->Color.DitherFlag); 273 ctx->Driver.Enable(ctx, GL_FOG, ctx->Fog.Enabled); 274 ctx->Driver.Enable(ctx, GL_LIGHTING, ctx->Light.Enabled); 275 ctx->Driver.Enable(ctx, GL_LINE_SMOOTH, ctx->Line.SmoothFlag); 276 ctx->Driver.Enable(ctx, GL_POLYGON_STIPPLE, ctx->Polygon.StippleFlag); 277 ctx->Driver.Enable(ctx, GL_SCISSOR_TEST, ctx->Scissor.Enabled); 278 ctx->Driver.Enable(ctx, GL_STENCIL_TEST, ctx->Stencil._Enabled); 279 ctx->Driver.Enable(ctx, GL_TEXTURE_1D, GL_FALSE); 280 ctx->Driver.Enable(ctx, GL_TEXTURE_2D, GL_FALSE); 281 ctx->Driver.Enable(ctx, GL_TEXTURE_RECTANGLE_NV, GL_FALSE); 282 ctx->Driver.Enable(ctx, GL_TEXTURE_3D, GL_FALSE); 283 ctx->Driver.Enable(ctx, GL_TEXTURE_CUBE_MAP, GL_FALSE); 284 285 ctx->Driver.Fogfv(ctx, GL_FOG_COLOR, ctx->Fog.Color); 286 ctx->Driver.Fogfv(ctx, GL_FOG_MODE, 0); 287 ctx->Driver.Fogfv(ctx, GL_FOG_DENSITY, &ctx->Fog.Density); 288 ctx->Driver.Fogfv(ctx, GL_FOG_START, &ctx->Fog.Start); 289 ctx->Driver.Fogfv(ctx, GL_FOG_END, &ctx->Fog.End); 290 291 ctx->Driver.FrontFace(ctx, ctx->Polygon.FrontFace); 292 293 { 294 GLfloat f = (GLfloat) ctx->Light.Model.ColorControl; 295 ctx->Driver.LightModelfv(ctx, GL_LIGHT_MODEL_COLOR_CONTROL, &f); 296 } 297 298 ctx->Driver.LineWidth(ctx, ctx->Line.Width); 299 ctx->Driver.LogicOpcode(ctx, ctx->Color.LogicOp); 300 ctx->Driver.PointSize(ctx, ctx->Point.Size); 301 ctx->Driver.PolygonStipple(ctx, (const GLubyte *) ctx->PolygonStipple); 302 ctx->Driver.Scissor(ctx, ctx->Scissor.X, ctx->Scissor.Y, 303 ctx->Scissor.Width, ctx->Scissor.Height); 304 ctx->Driver.ShadeModel(ctx, ctx->Light.ShadeModel); 305 ctx->Driver.StencilFuncSeparate(ctx, GL_FRONT, 306 ctx->Stencil.Function[0], 307 ctx->Stencil.Ref[0], 308 ctx->Stencil.ValueMask[0]); 309 ctx->Driver.StencilFuncSeparate(ctx, GL_BACK, 310 ctx->Stencil.Function[1], 311 ctx->Stencil.Ref[1], 312 ctx->Stencil.ValueMask[1]); 313 ctx->Driver.StencilMaskSeparate(ctx, GL_FRONT, ctx->Stencil.WriteMask[0]); 314 ctx->Driver.StencilMaskSeparate(ctx, GL_BACK, ctx->Stencil.WriteMask[1]); 315 ctx->Driver.StencilOpSeparate(ctx, GL_FRONT, 316 ctx->Stencil.FailFunc[0], 317 ctx->Stencil.ZFailFunc[0], 318 ctx->Stencil.ZPassFunc[0]); 319 ctx->Driver.StencilOpSeparate(ctx, GL_BACK, 320 ctx->Stencil.FailFunc[1], 321 ctx->Stencil.ZFailFunc[1], 322 ctx->Stencil.ZPassFunc[1]); 323 324 325 ctx->Driver.DrawBuffer(ctx, ctx->Color.DrawBuffer[0]); 326} 327