vbo_exec_array.c revision 8da09e6924ca22ba7951d5a7673dfab2a711a997
1fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell/************************************************************************** 2fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell * 3fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas. 4fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell * All Rights Reserved. 5fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell * 6fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell * Permission is hereby granted, free of charge, to any person obtaining a 7fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell * copy of this software and associated documentation files (the 8fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell * "Software"), to deal in the Software without restriction, including 9fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell * without limitation the rights to use, copy, modify, merge, publish, 10fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell * distribute, sub license, and/or sell copies of the Software, and to 11fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell * permit persons to whom the Software is furnished to do so, subject to 12fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell * the following conditions: 13fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell * 14fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell * The above copyright notice and this permission notice (including the 15fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell * next paragraph) shall be included in all copies or substantial portions 16fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell * of the Software. 17fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell * 18fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 19fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 20fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. 21fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR 22fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, 23fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE 24fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 25fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell * 26fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell **************************************************************************/ 27fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell 28c223c6b663cd5db39ba19c2be74b88cc3b8f53f3Brian#include "main/glheader.h" 29c223c6b663cd5db39ba19c2be74b88cc3b8f53f3Brian#include "main/context.h" 30c223c6b663cd5db39ba19c2be74b88cc3b8f53f3Brian#include "main/state.h" 31c223c6b663cd5db39ba19c2be74b88cc3b8f53f3Brian#include "main/api_validate.h" 32c223c6b663cd5db39ba19c2be74b88cc3b8f53f3Brian#include "main/api_noop.h" 33feb722fa98f04a4487b7ec4746bcc8c7296899c8Brian Paul#include "main/varray.h" 34a3b7db0326337117ccdea526818040d2c24d83b4Brian Paul#include "main/bufferobj.h" 35c223c6b663cd5db39ba19c2be74b88cc3b8f53f3Brian#include "glapi/dispatch.h" 36fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell 37fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell#include "vbo_context.h" 38fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell 39893526b8a823fe1b88f2b46376155afb91c84016Keith Whitwell/* Compute min and max elements for drawelements calls. 40893526b8a823fe1b88f2b46376155afb91c84016Keith Whitwell */ 41893526b8a823fe1b88f2b46376155afb91c84016Keith Whitwellstatic void get_minmax_index( GLuint count, GLuint type, 42893526b8a823fe1b88f2b46376155afb91c84016Keith Whitwell const GLvoid *indices, 43893526b8a823fe1b88f2b46376155afb91c84016Keith Whitwell GLuint *min_index, 44893526b8a823fe1b88f2b46376155afb91c84016Keith Whitwell GLuint *max_index) 45fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell{ 4653174afeeb68a79e471185cb463c13ff90af698fJosé Fonseca GLuint i; 47fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell 48fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell switch(type) { 49fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell case GL_UNSIGNED_INT: { 50fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell const GLuint *ui_indices = (const GLuint *)indices; 51026e7731e549e0777c010348460fd48b3d75a843Keith Whitwell GLuint max_ui = ui_indices[count-1]; 52893526b8a823fe1b88f2b46376155afb91c84016Keith Whitwell GLuint min_ui = ui_indices[0]; 53026e7731e549e0777c010348460fd48b3d75a843Keith Whitwell for (i = 0; i < count; i++) { 54893526b8a823fe1b88f2b46376155afb91c84016Keith Whitwell if (ui_indices[i] > max_ui) max_ui = ui_indices[i]; 55893526b8a823fe1b88f2b46376155afb91c84016Keith Whitwell if (ui_indices[i] < min_ui) min_ui = ui_indices[i]; 56893526b8a823fe1b88f2b46376155afb91c84016Keith Whitwell } 57893526b8a823fe1b88f2b46376155afb91c84016Keith Whitwell *min_index = min_ui; 58893526b8a823fe1b88f2b46376155afb91c84016Keith Whitwell *max_index = max_ui; 59893526b8a823fe1b88f2b46376155afb91c84016Keith Whitwell break; 60fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell } 61fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell case GL_UNSIGNED_SHORT: { 62fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell const GLushort *us_indices = (const GLushort *)indices; 63026e7731e549e0777c010348460fd48b3d75a843Keith Whitwell GLuint max_us = us_indices[count-1]; 64893526b8a823fe1b88f2b46376155afb91c84016Keith Whitwell GLuint min_us = us_indices[0]; 65026e7731e549e0777c010348460fd48b3d75a843Keith Whitwell for (i = 0; i < count; i++) { 66893526b8a823fe1b88f2b46376155afb91c84016Keith Whitwell if (us_indices[i] > max_us) max_us = us_indices[i]; 67893526b8a823fe1b88f2b46376155afb91c84016Keith Whitwell if (us_indices[i] < min_us) min_us = us_indices[i]; 68893526b8a823fe1b88f2b46376155afb91c84016Keith Whitwell } 69893526b8a823fe1b88f2b46376155afb91c84016Keith Whitwell *min_index = min_us; 70893526b8a823fe1b88f2b46376155afb91c84016Keith Whitwell *max_index = max_us; 71893526b8a823fe1b88f2b46376155afb91c84016Keith Whitwell break; 72fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell } 73fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell case GL_UNSIGNED_BYTE: { 74fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell const GLubyte *ub_indices = (const GLubyte *)indices; 75026e7731e549e0777c010348460fd48b3d75a843Keith Whitwell GLuint max_ub = ub_indices[count-1]; 76893526b8a823fe1b88f2b46376155afb91c84016Keith Whitwell GLuint min_ub = ub_indices[0]; 77026e7731e549e0777c010348460fd48b3d75a843Keith Whitwell for (i = 0; i < count; i++) { 78893526b8a823fe1b88f2b46376155afb91c84016Keith Whitwell if (ub_indices[i] > max_ub) max_ub = ub_indices[i]; 79893526b8a823fe1b88f2b46376155afb91c84016Keith Whitwell if (ub_indices[i] < min_ub) min_ub = ub_indices[i]; 80893526b8a823fe1b88f2b46376155afb91c84016Keith Whitwell } 81893526b8a823fe1b88f2b46376155afb91c84016Keith Whitwell *min_index = min_ub; 82893526b8a823fe1b88f2b46376155afb91c84016Keith Whitwell *max_index = max_ub; 83893526b8a823fe1b88f2b46376155afb91c84016Keith Whitwell break; 84fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell } 85fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell default: 86893526b8a823fe1b88f2b46376155afb91c84016Keith Whitwell assert(0); 87893526b8a823fe1b88f2b46376155afb91c84016Keith Whitwell break; 88fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell } 89fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell} 90fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell 91fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell 92fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell/* Just translate the arrayobj into a sane layout. 93fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell */ 94fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwellstatic void bind_array_obj( GLcontext *ctx ) 95fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell{ 965a652f595716a82ebd79e33011f6082199c4b0d0Keith Whitwell struct vbo_context *vbo = vbo_context(ctx); 975a652f595716a82ebd79e33011f6082199c4b0d0Keith Whitwell struct vbo_exec_context *exec = &vbo->exec; 982e798e4b7e5956dbf3c7fde18f408b5d4c1b151cBrian Paul struct gl_array_object *arrayObj = ctx->Array.ArrayObj; 99fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell GLuint i; 100fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell 101fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell /* TODO: Fix the ArrayObj struct to keep legacy arrays in an array 102fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell * rather than as individual named arrays. Then this function can 103fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell * go away. 104fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell */ 1052e798e4b7e5956dbf3c7fde18f408b5d4c1b151cBrian Paul exec->array.legacy_array[VERT_ATTRIB_POS] = &arrayObj->Vertex; 10601e238e5d51dabd28646356de825aa43a7290373Keith Whitwell exec->array.legacy_array[VERT_ATTRIB_WEIGHT] = &vbo->legacy_currval[VERT_ATTRIB_WEIGHT]; 1072e798e4b7e5956dbf3c7fde18f408b5d4c1b151cBrian Paul exec->array.legacy_array[VERT_ATTRIB_NORMAL] = &arrayObj->Normal; 1082e798e4b7e5956dbf3c7fde18f408b5d4c1b151cBrian Paul exec->array.legacy_array[VERT_ATTRIB_COLOR0] = &arrayObj->Color; 1092e798e4b7e5956dbf3c7fde18f408b5d4c1b151cBrian Paul exec->array.legacy_array[VERT_ATTRIB_COLOR1] = &arrayObj->SecondaryColor; 1102e798e4b7e5956dbf3c7fde18f408b5d4c1b151cBrian Paul exec->array.legacy_array[VERT_ATTRIB_FOG] = &arrayObj->FogCoord; 1112e798e4b7e5956dbf3c7fde18f408b5d4c1b151cBrian Paul exec->array.legacy_array[VERT_ATTRIB_COLOR_INDEX] = &arrayObj->Index; 1122e798e4b7e5956dbf3c7fde18f408b5d4c1b151cBrian Paul if (arrayObj->PointSize.Enabled) { 113d378f7b3dfda3b549e4b02380e492671cc34bb59Brian Paul /* this aliases COLOR_INDEX */ 1142e798e4b7e5956dbf3c7fde18f408b5d4c1b151cBrian Paul exec->array.legacy_array[VERT_ATTRIB_POINT_SIZE] = &arrayObj->PointSize; 115d378f7b3dfda3b549e4b02380e492671cc34bb59Brian Paul } 1162e798e4b7e5956dbf3c7fde18f408b5d4c1b151cBrian Paul exec->array.legacy_array[VERT_ATTRIB_EDGEFLAG] = &arrayObj->EdgeFlag; 117fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell 118d4fb7615b5a9c514d48fc78a01c52cb721b889c6Brian Paul for (i = 0; i < MAX_TEXTURE_COORD_UNITS; i++) 1192e798e4b7e5956dbf3c7fde18f408b5d4c1b151cBrian Paul exec->array.legacy_array[VERT_ATTRIB_TEX0 + i] = &arrayObj->TexCoord[i]; 120fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell 1218da09e6924ca22ba7951d5a7673dfab2a711a997Brian Paul for (i = 0; i < MAX_VERTEX_ATTRIBS; i++) { 1228da09e6924ca22ba7951d5a7673dfab2a711a997Brian Paul assert(i < Elements(arrayObj->VertexAttrib)); 1238da09e6924ca22ba7951d5a7673dfab2a711a997Brian Paul assert(i < Elements(exec->array.generic_array)); 1242e798e4b7e5956dbf3c7fde18f408b5d4c1b151cBrian Paul exec->array.generic_array[i] = &arrayObj->VertexAttrib[i]; 1258da09e6924ca22ba7951d5a7673dfab2a711a997Brian Paul } 126fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell 1272e798e4b7e5956dbf3c7fde18f408b5d4c1b151cBrian Paul exec->array.array_obj = arrayObj->Name; 128fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell} 129fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell 130fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwellstatic void recalculate_input_bindings( GLcontext *ctx ) 131fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell{ 13299efde461d3b8615863bdb7308e05289e0db0422Keith Whitwell struct vbo_context *vbo = vbo_context(ctx); 13399efde461d3b8615863bdb7308e05289e0db0422Keith Whitwell struct vbo_exec_context *exec = &vbo->exec; 134fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell const struct gl_client_array **inputs = &exec->array.inputs[0]; 135239617fbe22d4dd7b2794510a6665f09602b5adfBrian Paul GLbitfield const_inputs = 0x0; 136fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell GLuint i; 137fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell 138fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell exec->array.program_mode = get_program_mode(ctx); 139fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell exec->array.enabled_flags = ctx->Array.ArrayObj->_Enabled; 140fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell 141fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell switch (exec->array.program_mode) { 142fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell case VP_NONE: 143fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell /* When no vertex program is active, we put the material values 144fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell * into the generic slots. This is the only situation where 145fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell * material values are available as per-vertex attributes. 146fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell */ 147fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell for (i = 0; i <= VERT_ATTRIB_TEX7; i++) { 148fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell if (exec->array.legacy_array[i]->Enabled) 149fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell inputs[i] = exec->array.legacy_array[i]; 1501680ef869625dc1fe9cf481b180382a34e0738e7Keith Whitwell else { 15199efde461d3b8615863bdb7308e05289e0db0422Keith Whitwell inputs[i] = &vbo->legacy_currval[i]; 1521680ef869625dc1fe9cf481b180382a34e0738e7Keith Whitwell const_inputs |= 1 << i; 1531680ef869625dc1fe9cf481b180382a34e0738e7Keith Whitwell } 154fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell } 155fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell 156fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell for (i = 0; i < MAT_ATTRIB_MAX; i++) { 15799efde461d3b8615863bdb7308e05289e0db0422Keith Whitwell inputs[VERT_ATTRIB_GENERIC0 + i] = &vbo->mat_currval[i]; 1581680ef869625dc1fe9cf481b180382a34e0738e7Keith Whitwell const_inputs |= 1 << (VERT_ATTRIB_GENERIC0 + i); 159fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell } 1605a652f595716a82ebd79e33011f6082199c4b0d0Keith Whitwell 1615a652f595716a82ebd79e33011f6082199c4b0d0Keith Whitwell /* Could use just about anything, just to fill in the empty 1625a652f595716a82ebd79e33011f6082199c4b0d0Keith Whitwell * slots: 1635a652f595716a82ebd79e33011f6082199c4b0d0Keith Whitwell */ 1641680ef869625dc1fe9cf481b180382a34e0738e7Keith Whitwell for (i = MAT_ATTRIB_MAX; i < VERT_ATTRIB_MAX - VERT_ATTRIB_GENERIC0; i++) { 165fcccf8943213a20957f305161e8aae7fef55baabZou Nan hai inputs[VERT_ATTRIB_GENERIC0 + i] = &vbo->generic_currval[i]; 1661680ef869625dc1fe9cf481b180382a34e0738e7Keith Whitwell const_inputs |= 1 << (VERT_ATTRIB_GENERIC0 + i); 1671680ef869625dc1fe9cf481b180382a34e0738e7Keith Whitwell } 1685a652f595716a82ebd79e33011f6082199c4b0d0Keith Whitwell 169fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell break; 170fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell case VP_NV: 171fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell /* NV_vertex_program - attribute arrays alias and override 172fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell * conventional, legacy arrays. No materials, and the generic 173fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell * slots are vacant. 174fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell */ 175fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell for (i = 0; i <= VERT_ATTRIB_TEX7; i++) { 176fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell if (exec->array.generic_array[i]->Enabled) 177fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell inputs[i] = exec->array.generic_array[i]; 178fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell else if (exec->array.legacy_array[i]->Enabled) 179fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell inputs[i] = exec->array.legacy_array[i]; 1801680ef869625dc1fe9cf481b180382a34e0738e7Keith Whitwell else { 18199efde461d3b8615863bdb7308e05289e0db0422Keith Whitwell inputs[i] = &vbo->legacy_currval[i]; 1821680ef869625dc1fe9cf481b180382a34e0738e7Keith Whitwell const_inputs |= 1 << i; 1831680ef869625dc1fe9cf481b180382a34e0738e7Keith Whitwell } 184fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell } 185301acdf34ad01315f41c14638d92aa7fe0c2d2dcKeith Whitwell 186301acdf34ad01315f41c14638d92aa7fe0c2d2dcKeith Whitwell /* Could use just about anything, just to fill in the empty 187301acdf34ad01315f41c14638d92aa7fe0c2d2dcKeith Whitwell * slots: 188301acdf34ad01315f41c14638d92aa7fe0c2d2dcKeith Whitwell */ 1891680ef869625dc1fe9cf481b180382a34e0738e7Keith Whitwell for (i = VERT_ATTRIB_GENERIC0; i < VERT_ATTRIB_MAX; i++) { 190301acdf34ad01315f41c14638d92aa7fe0c2d2dcKeith Whitwell inputs[i] = &vbo->generic_currval[i - VERT_ATTRIB_GENERIC0]; 1911680ef869625dc1fe9cf481b180382a34e0738e7Keith Whitwell const_inputs |= 1 << i; 1921680ef869625dc1fe9cf481b180382a34e0738e7Keith Whitwell } 193301acdf34ad01315f41c14638d92aa7fe0c2d2dcKeith Whitwell 194fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell break; 195fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell case VP_ARB: 196fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell /* ARB_vertex_program - Only the attribute zero (position) array 197fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell * aliases and overrides the legacy position array. 198fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell * 199fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell * Otherwise, legacy attributes available in the legacy slots, 200fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell * generic attributes in the generic slots and materials are not 201fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell * available as per-vertex attributes. 202fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell */ 203fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell if (exec->array.generic_array[0]->Enabled) 204fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell inputs[0] = exec->array.generic_array[0]; 205fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell else if (exec->array.legacy_array[0]->Enabled) 206fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell inputs[0] = exec->array.legacy_array[0]; 2071680ef869625dc1fe9cf481b180382a34e0738e7Keith Whitwell else { 20899efde461d3b8615863bdb7308e05289e0db0422Keith Whitwell inputs[0] = &vbo->legacy_currval[0]; 2091680ef869625dc1fe9cf481b180382a34e0738e7Keith Whitwell const_inputs |= 1 << 0; 2101680ef869625dc1fe9cf481b180382a34e0738e7Keith Whitwell } 211fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell 212fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell 213fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell for (i = 1; i <= VERT_ATTRIB_TEX7; i++) { 214fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell if (exec->array.legacy_array[i]->Enabled) 215fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell inputs[i] = exec->array.legacy_array[i]; 2161680ef869625dc1fe9cf481b180382a34e0738e7Keith Whitwell else { 21799efde461d3b8615863bdb7308e05289e0db0422Keith Whitwell inputs[i] = &vbo->legacy_currval[i]; 2181680ef869625dc1fe9cf481b180382a34e0738e7Keith Whitwell const_inputs |= 1 << i; 2191680ef869625dc1fe9cf481b180382a34e0738e7Keith Whitwell } 220fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell } 221fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell 222d4fb7615b5a9c514d48fc78a01c52cb721b889c6Brian Paul for (i = 0; i < MAX_VERTEX_ATTRIBS; i++) { 2237d8ed0f5f5960a492734cb415b8a85ef4ad79846Roland Scheidegger if (exec->array.generic_array[i]->Enabled) 224fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell inputs[VERT_ATTRIB_GENERIC0 + i] = exec->array.generic_array[i]; 2251680ef869625dc1fe9cf481b180382a34e0738e7Keith Whitwell else { 22699efde461d3b8615863bdb7308e05289e0db0422Keith Whitwell inputs[VERT_ATTRIB_GENERIC0 + i] = &vbo->generic_currval[i]; 2271680ef869625dc1fe9cf481b180382a34e0738e7Keith Whitwell const_inputs |= 1 << (VERT_ATTRIB_GENERIC0 + i); 2281680ef869625dc1fe9cf481b180382a34e0738e7Keith Whitwell } 2291680ef869625dc1fe9cf481b180382a34e0738e7Keith Whitwell 230fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell } 231fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell break; 232fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell } 2331680ef869625dc1fe9cf481b180382a34e0738e7Keith Whitwell 2341680ef869625dc1fe9cf481b180382a34e0738e7Keith Whitwell _mesa_set_varying_vp_inputs( ctx, ~const_inputs ); 235fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell} 236fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell 237fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwellstatic void bind_arrays( GLcontext *ctx ) 238fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell{ 239fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell#if 0 240fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell if (ctx->Array.ArrayObj.Name != exec->array.array_obj) { 241fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell bind_array_obj(ctx); 242fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell recalculate_input_bindings(ctx); 243fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell } 244fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell else if (exec->array.program_mode != get_program_mode(ctx) || 245fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell exec->array.enabled_flags != ctx->Array.ArrayObj->_Enabled) { 246fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell 247fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell recalculate_input_bindings(ctx); 248fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell } 249fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell#else 250fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell bind_array_obj(ctx); 251fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell recalculate_input_bindings(ctx); 252fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell#endif 253fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell} 254fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell 255fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell 256fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell 257fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell/*********************************************************************** 258fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell * API functions. 259fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell */ 260fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell 261fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwellstatic void GLAPIENTRY 262fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwellvbo_exec_DrawArrays(GLenum mode, GLint start, GLsizei count) 263fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell{ 264fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell GET_CURRENT_CONTEXT(ctx); 265fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell struct vbo_context *vbo = vbo_context(ctx); 266fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell struct vbo_exec_context *exec = &vbo->exec; 267fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell struct _mesa_prim prim[1]; 268fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell 269fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell if (!_mesa_validate_DrawArrays( ctx, mode, start, count )) 270fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell return; 271fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell 272fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell FLUSH_CURRENT( ctx, 0 ); 273fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell 274fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell if (ctx->NewState) 275fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell _mesa_update_state( ctx ); 276fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell 277d758479b9fbff803bdac15f3f39d32ef9064db71Brian Paul if (!vbo_validate_shaders(ctx)) { 278d758479b9fbff803bdac15f3f39d32ef9064db71Brian Paul _mesa_error(ctx, GL_INVALID_OPERATION, "glDrawArrays(bad shader)"); 279d758479b9fbff803bdac15f3f39d32ef9064db71Brian Paul return; 280d758479b9fbff803bdac15f3f39d32ef9064db71Brian Paul } 281d758479b9fbff803bdac15f3f39d32ef9064db71Brian Paul 282fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell bind_arrays( ctx ); 283fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell 2841680ef869625dc1fe9cf481b180382a34e0738e7Keith Whitwell /* Again... 2851680ef869625dc1fe9cf481b180382a34e0738e7Keith Whitwell */ 2861680ef869625dc1fe9cf481b180382a34e0738e7Keith Whitwell if (ctx->NewState) 2871680ef869625dc1fe9cf481b180382a34e0738e7Keith Whitwell _mesa_update_state( ctx ); 2881680ef869625dc1fe9cf481b180382a34e0738e7Keith Whitwell 289fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell prim[0].begin = 1; 290fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell prim[0].end = 1; 291fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell prim[0].weak = 0; 292fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell prim[0].pad = 0; 293893526b8a823fe1b88f2b46376155afb91c84016Keith Whitwell prim[0].mode = mode; 294893526b8a823fe1b88f2b46376155afb91c84016Keith Whitwell prim[0].start = start; 295893526b8a823fe1b88f2b46376155afb91c84016Keith Whitwell prim[0].count = count; 296893526b8a823fe1b88f2b46376155afb91c84016Keith Whitwell prim[0].indexed = 0; 297fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell 298893526b8a823fe1b88f2b46376155afb91c84016Keith Whitwell vbo->draw_prims( ctx, exec->array.inputs, prim, 1, NULL, start, start + count - 1 ); 299a3b7db0326337117ccdea526818040d2c24d83b4Brian Paul 300a3b7db0326337117ccdea526818040d2c24d83b4Brian Paul#if 0 301a3b7db0326337117ccdea526818040d2c24d83b4Brian Paul { 302a3b7db0326337117ccdea526818040d2c24d83b4Brian Paul int i; 303a3b7db0326337117ccdea526818040d2c24d83b4Brian Paul 304a3b7db0326337117ccdea526818040d2c24d83b4Brian Paul _mesa_printf("vbo_exec_DrawArrays(mode 0x%x, start %d, count %d):\n", 305a3b7db0326337117ccdea526818040d2c24d83b4Brian Paul mode, start, count); 306a3b7db0326337117ccdea526818040d2c24d83b4Brian Paul 307a3b7db0326337117ccdea526818040d2c24d83b4Brian Paul for (i = 0; i < 32; i++) { 308a3b7db0326337117ccdea526818040d2c24d83b4Brian Paul GLuint bufName = exec->array.inputs[i]->BufferObj->Name; 309a3b7db0326337117ccdea526818040d2c24d83b4Brian Paul GLint stride = exec->array.inputs[i]->Stride; 310a3b7db0326337117ccdea526818040d2c24d83b4Brian Paul _mesa_printf("attr %2d: size %d stride %d enabled %d " 311a3b7db0326337117ccdea526818040d2c24d83b4Brian Paul "ptr %p Bufobj %u\n", 312a3b7db0326337117ccdea526818040d2c24d83b4Brian Paul i, 313a3b7db0326337117ccdea526818040d2c24d83b4Brian Paul exec->array.inputs[i]->Size, 314a3b7db0326337117ccdea526818040d2c24d83b4Brian Paul stride, 315a3b7db0326337117ccdea526818040d2c24d83b4Brian Paul /*exec->array.inputs[i]->Enabled,*/ 316a3b7db0326337117ccdea526818040d2c24d83b4Brian Paul exec->array.legacy_array[i]->Enabled, 317a3b7db0326337117ccdea526818040d2c24d83b4Brian Paul exec->array.inputs[i]->Ptr, 318a3b7db0326337117ccdea526818040d2c24d83b4Brian Paul bufName); 319a3b7db0326337117ccdea526818040d2c24d83b4Brian Paul 320a3b7db0326337117ccdea526818040d2c24d83b4Brian Paul if (bufName) { 321a3b7db0326337117ccdea526818040d2c24d83b4Brian Paul struct gl_buffer_object *buf = _mesa_lookup_bufferobj(ctx, bufName); 322a3b7db0326337117ccdea526818040d2c24d83b4Brian Paul GLubyte *p = ctx->Driver.MapBuffer(ctx, GL_ARRAY_BUFFER_ARB, 323a3b7db0326337117ccdea526818040d2c24d83b4Brian Paul GL_READ_ONLY_ARB, buf); 324a3b7db0326337117ccdea526818040d2c24d83b4Brian Paul int offset = (int) exec->array.inputs[i]->Ptr; 325a3b7db0326337117ccdea526818040d2c24d83b4Brian Paul float *f = (float *) (p + offset); 326a3b7db0326337117ccdea526818040d2c24d83b4Brian Paul int *k = (int *) f; 327a3b7db0326337117ccdea526818040d2c24d83b4Brian Paul int i; 328a3b7db0326337117ccdea526818040d2c24d83b4Brian Paul int n = (count * stride) / 4; 329a3b7db0326337117ccdea526818040d2c24d83b4Brian Paul if (n > 32) 330a3b7db0326337117ccdea526818040d2c24d83b4Brian Paul n = 32; 331a3b7db0326337117ccdea526818040d2c24d83b4Brian Paul _mesa_printf(" Data at offset %d:\n", offset); 332a3b7db0326337117ccdea526818040d2c24d83b4Brian Paul for (i = 0; i < n; i++) { 333a3b7db0326337117ccdea526818040d2c24d83b4Brian Paul _mesa_printf(" float[%d] = 0x%08x %f\n", i, k[i], f[i]); 334a3b7db0326337117ccdea526818040d2c24d83b4Brian Paul } 335a3b7db0326337117ccdea526818040d2c24d83b4Brian Paul ctx->Driver.UnmapBuffer(ctx, GL_ARRAY_BUFFER_ARB, buf); 336a3b7db0326337117ccdea526818040d2c24d83b4Brian Paul } 337a3b7db0326337117ccdea526818040d2c24d83b4Brian Paul } 338a3b7db0326337117ccdea526818040d2c24d83b4Brian Paul } 339a3b7db0326337117ccdea526818040d2c24d83b4Brian Paul#endif 340fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell} 341fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell 342fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell 343fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell 344fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwellstatic void GLAPIENTRY 345fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwellvbo_exec_DrawRangeElements(GLenum mode, 346fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell GLuint start, GLuint end, 347fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell GLsizei count, GLenum type, const GLvoid *indices) 348fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell{ 349fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell GET_CURRENT_CONTEXT(ctx); 350fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell struct vbo_context *vbo = vbo_context(ctx); 351fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell struct vbo_exec_context *exec = &vbo->exec; 352fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell struct _mesa_index_buffer ib; 353fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell struct _mesa_prim prim[1]; 354fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell 355fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell if (!_mesa_validate_DrawRangeElements( ctx, mode, start, end, count, type, indices )) 356fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell return; 357fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell 358fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell FLUSH_CURRENT( ctx, 0 ); 359fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell 360fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell if (ctx->NewState) 361fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell _mesa_update_state( ctx ); 362c3da1501b81a31e92f485ee9fbd99e60cc3a4337Roland Scheidegger 363d758479b9fbff803bdac15f3f39d32ef9064db71Brian Paul if (!vbo_validate_shaders(ctx)) { 364d758479b9fbff803bdac15f3f39d32ef9064db71Brian Paul _mesa_error(ctx, GL_INVALID_OPERATION, "glDrawRangeElements(bad shader)"); 365d758479b9fbff803bdac15f3f39d32ef9064db71Brian Paul return; 366d758479b9fbff803bdac15f3f39d32ef9064db71Brian Paul } 367d758479b9fbff803bdac15f3f39d32ef9064db71Brian Paul 368c3da1501b81a31e92f485ee9fbd99e60cc3a4337Roland Scheidegger bind_arrays( ctx ); 369c3da1501b81a31e92f485ee9fbd99e60cc3a4337Roland Scheidegger 3701680ef869625dc1fe9cf481b180382a34e0738e7Keith Whitwell if (ctx->NewState) 3711680ef869625dc1fe9cf481b180382a34e0738e7Keith Whitwell _mesa_update_state( ctx ); 3721680ef869625dc1fe9cf481b180382a34e0738e7Keith Whitwell 373fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell ib.count = count; 374fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell ib.type = type; 375fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell ib.obj = ctx->Array.ElementArrayBufferObj; 376fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell ib.ptr = indices; 377fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell 378fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell prim[0].begin = 1; 379fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell prim[0].end = 1; 380fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell prim[0].weak = 0; 381fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell prim[0].pad = 0; 382fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell prim[0].mode = mode; 383fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell prim[0].start = 0; 384fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell prim[0].count = count; 385fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell prim[0].indexed = 1; 386fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell 387893526b8a823fe1b88f2b46376155afb91c84016Keith Whitwell /* Need to give special consideration to rendering a range of 388893526b8a823fe1b88f2b46376155afb91c84016Keith Whitwell * indices starting somewhere above zero. Typically the 389893526b8a823fe1b88f2b46376155afb91c84016Keith Whitwell * application is issuing multiple DrawRangeElements() to draw 390893526b8a823fe1b88f2b46376155afb91c84016Keith Whitwell * successive primitives layed out linearly in the vertex arrays. 391893526b8a823fe1b88f2b46376155afb91c84016Keith Whitwell * Unless the vertex arrays are all in a VBO (or locked as with 392893526b8a823fe1b88f2b46376155afb91c84016Keith Whitwell * CVA), the OpenGL semantics imply that we need to re-read or 393893526b8a823fe1b88f2b46376155afb91c84016Keith Whitwell * re-upload the vertex data on each draw call. 394893526b8a823fe1b88f2b46376155afb91c84016Keith Whitwell * 395893526b8a823fe1b88f2b46376155afb91c84016Keith Whitwell * In the case of hardware tnl, we want to avoid starting the 396893526b8a823fe1b88f2b46376155afb91c84016Keith Whitwell * upload at zero, as it will mean every draw call uploads an 397893526b8a823fe1b88f2b46376155afb91c84016Keith Whitwell * increasing amount of not-used vertex data. Worse - in the 398893526b8a823fe1b88f2b46376155afb91c84016Keith Whitwell * software tnl module, all those vertices might be transformed and 399893526b8a823fe1b88f2b46376155afb91c84016Keith Whitwell * lit but never rendered. 400893526b8a823fe1b88f2b46376155afb91c84016Keith Whitwell * 401893526b8a823fe1b88f2b46376155afb91c84016Keith Whitwell * If we just upload or transform the vertices in start..end, 402893526b8a823fe1b88f2b46376155afb91c84016Keith Whitwell * however, the indices will be incorrect. 403893526b8a823fe1b88f2b46376155afb91c84016Keith Whitwell * 404893526b8a823fe1b88f2b46376155afb91c84016Keith Whitwell * At this level, we don't know exactly what the requirements of 405893526b8a823fe1b88f2b46376155afb91c84016Keith Whitwell * the backend are going to be, though it will likely boil down to 406893526b8a823fe1b88f2b46376155afb91c84016Keith Whitwell * either: 407893526b8a823fe1b88f2b46376155afb91c84016Keith Whitwell * 408893526b8a823fe1b88f2b46376155afb91c84016Keith Whitwell * 1) Do nothing, everything is in a VBO and is processed once 409893526b8a823fe1b88f2b46376155afb91c84016Keith Whitwell * only. 410893526b8a823fe1b88f2b46376155afb91c84016Keith Whitwell * 411893526b8a823fe1b88f2b46376155afb91c84016Keith Whitwell * 2) Adjust the indices and vertex arrays so that start becomes 412893526b8a823fe1b88f2b46376155afb91c84016Keith Whitwell * zero. 413893526b8a823fe1b88f2b46376155afb91c84016Keith Whitwell * 414893526b8a823fe1b88f2b46376155afb91c84016Keith Whitwell * Rather than doing anything here, I'll provide a helper function 415893526b8a823fe1b88f2b46376155afb91c84016Keith Whitwell * for the latter case elsewhere. 416893526b8a823fe1b88f2b46376155afb91c84016Keith Whitwell */ 417fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell 418893526b8a823fe1b88f2b46376155afb91c84016Keith Whitwell vbo->draw_prims( ctx, exec->array.inputs, prim, 1, &ib, start, end ); 419893526b8a823fe1b88f2b46376155afb91c84016Keith Whitwell} 420fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell 421fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwellstatic void GLAPIENTRY 422fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwellvbo_exec_DrawElements(GLenum mode, GLsizei count, GLenum type, const GLvoid *indices) 423fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell{ 424fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell GET_CURRENT_CONTEXT(ctx); 425893526b8a823fe1b88f2b46376155afb91c84016Keith Whitwell GLuint min_index = 0; 426893526b8a823fe1b88f2b46376155afb91c84016Keith Whitwell GLuint max_index = 0; 427fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell 428fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell if (!_mesa_validate_DrawElements( ctx, mode, count, type, indices )) 429fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell return; 430fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell 431d758479b9fbff803bdac15f3f39d32ef9064db71Brian Paul if (!vbo_validate_shaders(ctx)) { 432d758479b9fbff803bdac15f3f39d32ef9064db71Brian Paul _mesa_error(ctx, GL_INVALID_OPERATION, "glDrawElements(bad shader)"); 433d758479b9fbff803bdac15f3f39d32ef9064db71Brian Paul return; 434d758479b9fbff803bdac15f3f39d32ef9064db71Brian Paul } 435d758479b9fbff803bdac15f3f39d32ef9064db71Brian Paul 436fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell if (ctx->Array.ElementArrayBufferObj->Name) { 437fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell const GLvoid *map = ctx->Driver.MapBuffer(ctx, 438fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell GL_ELEMENT_ARRAY_BUFFER_ARB, 4392cb3594af9cd1434aa2c408cd6f8d51bcd12e8eaAapo Tahkola GL_READ_ONLY, 440fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell ctx->Array.ElementArrayBufferObj); 441fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell 442893526b8a823fe1b88f2b46376155afb91c84016Keith Whitwell get_minmax_index(count, type, ADD_POINTERS(map, indices), &min_index, &max_index); 443fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell 444fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell ctx->Driver.UnmapBuffer(ctx, 445fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell GL_ELEMENT_ARRAY_BUFFER_ARB, 446fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell ctx->Array.ElementArrayBufferObj); 447fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell } 448fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell else { 449893526b8a823fe1b88f2b46376155afb91c84016Keith Whitwell get_minmax_index(count, type, indices, &min_index, &max_index); 450fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell } 451fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell 452893526b8a823fe1b88f2b46376155afb91c84016Keith Whitwell vbo_exec_DrawRangeElements(mode, min_index, max_index, count, type, indices); 453fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell} 454fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell 455fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell 456fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell/*********************************************************************** 457fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell * Initialization 458fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell */ 459fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell 460fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell 461fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell 462fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell 463fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwellvoid vbo_exec_array_init( struct vbo_exec_context *exec ) 464fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell{ 465fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell#if 1 466fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell exec->vtxfmt.DrawArrays = vbo_exec_DrawArrays; 467fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell exec->vtxfmt.DrawElements = vbo_exec_DrawElements; 468fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell exec->vtxfmt.DrawRangeElements = vbo_exec_DrawRangeElements; 469fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell#else 470fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell exec->vtxfmt.DrawArrays = _mesa_noop_DrawArrays; 471fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell exec->vtxfmt.DrawElements = _mesa_noop_DrawElements; 472fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell exec->vtxfmt.DrawRangeElements = _mesa_noop_DrawRangeElements; 473fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell#endif 474fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell} 475fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell 476fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell 477fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwellvoid vbo_exec_array_destroy( struct vbo_exec_context *exec ) 478fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell{ 479584def75ad8dd13add5b4ed7e364d13202539539Keith Whitwell /* nothing to do */ 480fd12b37dbada6f945a94b93ecf332d0b6a8eef06Keith Whitwell} 481feb722fa98f04a4487b7ec4746bcc8c7296899c8Brian Paul 482feb722fa98f04a4487b7ec4746bcc8c7296899c8Brian Paul 483feb722fa98f04a4487b7ec4746bcc8c7296899c8Brian Paul/* This API entrypoint is not ordinarily used */ 484feb722fa98f04a4487b7ec4746bcc8c7296899c8Brian Paulvoid GLAPIENTRY 485feb722fa98f04a4487b7ec4746bcc8c7296899c8Brian Paul_mesa_DrawArrays(GLenum mode, GLint first, GLsizei count) 486feb722fa98f04a4487b7ec4746bcc8c7296899c8Brian Paul{ 487feb722fa98f04a4487b7ec4746bcc8c7296899c8Brian Paul vbo_exec_DrawArrays(mode, first, count); 488feb722fa98f04a4487b7ec4746bcc8c7296899c8Brian Paul} 489feb722fa98f04a4487b7ec4746bcc8c7296899c8Brian Paul 490feb722fa98f04a4487b7ec4746bcc8c7296899c8Brian Paul 491feb722fa98f04a4487b7ec4746bcc8c7296899c8Brian Paul/* This API entrypoint is not ordinarily used */ 492feb722fa98f04a4487b7ec4746bcc8c7296899c8Brian Paulvoid GLAPIENTRY 493feb722fa98f04a4487b7ec4746bcc8c7296899c8Brian Paul_mesa_DrawElements(GLenum mode, GLsizei count, GLenum type, 494feb722fa98f04a4487b7ec4746bcc8c7296899c8Brian Paul const GLvoid *indices) 495feb722fa98f04a4487b7ec4746bcc8c7296899c8Brian Paul{ 496feb722fa98f04a4487b7ec4746bcc8c7296899c8Brian Paul vbo_exec_DrawElements(mode, count, type, indices); 497feb722fa98f04a4487b7ec4746bcc8c7296899c8Brian Paul} 498feb722fa98f04a4487b7ec4746bcc8c7296899c8Brian Paul 499feb722fa98f04a4487b7ec4746bcc8c7296899c8Brian Paul 500feb722fa98f04a4487b7ec4746bcc8c7296899c8Brian Paul/* This API entrypoint is not ordinarily used */ 501feb722fa98f04a4487b7ec4746bcc8c7296899c8Brian Paulvoid GLAPIENTRY 502feb722fa98f04a4487b7ec4746bcc8c7296899c8Brian Paul_mesa_DrawRangeElements(GLenum mode, GLuint start, GLuint end, GLsizei count, 503feb722fa98f04a4487b7ec4746bcc8c7296899c8Brian Paul GLenum type, const GLvoid *indices) 504feb722fa98f04a4487b7ec4746bcc8c7296899c8Brian Paul{ 505feb722fa98f04a4487b7ec4746bcc8c7296899c8Brian Paul vbo_exec_DrawRangeElements(mode, start, end, count, type, indices); 506feb722fa98f04a4487b7ec4746bcc8c7296899c8Brian Paul} 507