2 * Mesa 3-D graphics library
5 * Copyright (C) 1999-2002 Brian Paul All Rights Reserved.
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:
14 * The above copyright notice and this permission notice shall be included
15 * in all copies or substantial portions of the Software.
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.
25 * Keith Whitwell <keith@tungstengraphics.com>
37 static void TAG(emit)( struct gl_context *ctx,
38 GLuint start, GLuint end,
42 struct vertex_buffer *VB = &TNL_CONTEXT(ctx)->vb;
43 GLuint (*tc0)[4], (*tc1)[4], (*tc2)[4];
44 GLfloat (*col)[4], (*spec)[4];
47 GLuint tc0_stride, tc1_stride, col_stride, spec_stride, fog_stride;
48 GLuint tc2_stride, norm_stride;
50 GLuint rqcoordsnoswap = 0;
52 GLuint coord_stride; /* object coordinates */
55 union emit_union *v = (union emit_union *)dest;
57 radeon_print(RADEON_SWRENDER, RADEON_VERBOSE, "%s\n", __FUNCTION__);
59 coord = (GLuint (*)[4])VB->AttribPtr[_TNL_ATTRIB_POS]->data;
60 coord_stride = VB->AttribPtr[_TNL_ATTRIB_POS]->stride;
63 if (VB->AttribPtr[_TNL_ATTRIB_TEX2]) {
64 const GLuint t2 = GET_TEXSOURCE(2);
65 tc2 = (GLuint (*)[4])VB->AttribPtr[_TNL_ATTRIB_TEX0 + t2]->data;
66 tc2_stride = VB->AttribPtr[_TNL_ATTRIB_TEX0 + t2]->stride;
67 if (DO_PTEX && VB->AttribPtr[_TNL_ATTRIB_TEX0 + t2]->size < 3) {
70 else if (DO_PTEX && VB->AttribPtr[_TNL_ATTRIB_TEX0 + t2]->size < 4) {
71 rqcoordsnoswap |= (1<<2);
74 tc2 = (GLuint (*)[4])&ctx->Current.Attrib[VERT_ATTRIB_TEX2];
80 if (VB->AttribPtr[_TNL_ATTRIB_TEX1]) {
81 const GLuint t1 = GET_TEXSOURCE(1);
82 tc1 = (GLuint (*)[4])VB->AttribPtr[_TNL_ATTRIB_TEX0 + t1]->data;
83 tc1_stride = VB->AttribPtr[_TNL_ATTRIB_TEX0 + t1]->stride;
84 if (DO_PTEX && VB->AttribPtr[_TNL_ATTRIB_TEX0 + t1]->size < 3) {
87 else if (DO_PTEX && VB->AttribPtr[_TNL_ATTRIB_TEX0 + t1]->size < 4) {
88 rqcoordsnoswap |= (1<<1);
91 tc1 = (GLuint (*)[4])&ctx->Current.Attrib[VERT_ATTRIB_TEX1];
97 if (VB->AttribPtr[_TNL_ATTRIB_TEX0]) {
98 const GLuint t0 = GET_TEXSOURCE(0);
99 tc0_stride = VB->AttribPtr[_TNL_ATTRIB_TEX0 + t0]->stride;
100 tc0 = (GLuint (*)[4])VB->AttribPtr[_TNL_ATTRIB_TEX0 + t0]->data;
101 if (DO_PTEX && VB->AttribPtr[_TNL_ATTRIB_TEX0 + t0]->size < 3) {
104 else if (DO_PTEX && VB->AttribPtr[_TNL_ATTRIB_TEX0 + t0]->size < 4) {
105 rqcoordsnoswap |= (1<<0);
108 tc0 = (GLuint (*)[4])&ctx->Current.Attrib[VERT_ATTRIB_TEX0];
115 if (VB->AttribPtr[_TNL_ATTRIB_NORMAL]) {
116 norm_stride = VB->AttribPtr[_TNL_ATTRIB_NORMAL]->stride;
117 norm = (GLuint (*)[4])VB->AttribPtr[_TNL_ATTRIB_NORMAL]->data;
120 norm = (GLuint (*)[4])&ctx->Current.Attrib[VERT_ATTRIB_NORMAL];
125 if (VB->AttribPtr[_TNL_ATTRIB_COLOR0]) {
126 col = VB->AttribPtr[_TNL_ATTRIB_COLOR0]->data;
127 col_stride = VB->AttribPtr[_TNL_ATTRIB_COLOR0]->stride;
129 col = (GLfloat (*)[4])ctx->Current.Attrib[VERT_ATTRIB_COLOR0];
134 if (DO_SPEC_OR_FOG) {
135 if (VB->AttribPtr[_TNL_ATTRIB_COLOR1]) {
136 spec = VB->AttribPtr[_TNL_ATTRIB_COLOR1]->data;
137 spec_stride = VB->AttribPtr[_TNL_ATTRIB_COLOR1]->stride;
139 spec = (GLfloat (*)[4])ctx->Current.Attrib[VERT_ATTRIB_COLOR1];
144 if (DO_SPEC_OR_FOG) {
145 if (VB->AttribPtr[_TNL_ATTRIB_FOG]) {
146 fog = VB->AttribPtr[_TNL_ATTRIB_FOG]->data;
147 fog_stride = VB->AttribPtr[_TNL_ATTRIB_FOG]->stride;
149 fog = (GLfloat (*)[4])ctx->Current.Attrib[VERT_ATTRIB_FOG];
156 coord = (GLuint (*)[4])((GLubyte *)coord + start * coord_stride);
158 tc0 = (GLuint (*)[4])((GLubyte *)tc0 + start * tc0_stride);
160 tc1 = (GLuint (*)[4])((GLubyte *)tc1 + start * tc1_stride);
162 tc2 = (GLuint (*)[4])((GLubyte *)tc2 + start * tc2_stride);
164 norm = (GLuint (*)[4])((GLubyte *)norm + start * norm_stride);
166 STRIDE_4F(col, start * col_stride);
168 STRIDE_4F(spec, start * spec_stride);
170 STRIDE_4F(fog, start * fog_stride);
175 for (i=start; i < end; i++) {
177 v[0].ui = coord[0][0];
178 v[1].ui = coord[0][1];
179 v[2].ui = coord[0][2];
181 v[3].ui = coord[0][3];
186 coord = (GLuint (*)[4])((GLubyte *)coord + coord_stride);
189 v[0].ui = norm[0][0];
190 v[1].ui = norm[0][1];
191 v[2].ui = norm[0][2];
193 norm = (GLuint (*)[4])((GLubyte *)norm + norm_stride);
196 UNCLAMPED_FLOAT_TO_UBYTE(v[0].rgba.red, col[0][0]);
197 UNCLAMPED_FLOAT_TO_UBYTE(v[0].rgba.green, col[0][1]);
198 UNCLAMPED_FLOAT_TO_UBYTE(v[0].rgba.blue, col[0][2]);
199 UNCLAMPED_FLOAT_TO_UBYTE(v[0].rgba.alpha, col[0][3]);
200 STRIDE_4F(col, col_stride);
203 if (DO_SPEC_OR_FOG) {
205 UNCLAMPED_FLOAT_TO_UBYTE(v[0].rgba.red, spec[0][0]);
206 UNCLAMPED_FLOAT_TO_UBYTE(v[0].rgba.green, spec[0][1]);
207 UNCLAMPED_FLOAT_TO_UBYTE(v[0].rgba.blue, spec[0][2]);
208 STRIDE_4F(spec, spec_stride);
211 UNCLAMPED_FLOAT_TO_UBYTE(v[0].rgba.alpha, radeonComputeFogBlendFactor(ctx, fog[0][0]));
212 STRIDE_4F(fog, fog_stride);
214 if (TCL_DEBUG) fprintf(stderr, "%x ", v[0].ui);
220 if (TCL_DEBUG) fprintf(stderr, "t0: %.2f %.2f ", v[0].f, v[1].f);
222 if (fill_tex & (1<<0))
224 else if (rqcoordsnoswap & (1<<0))
228 if (TCL_DEBUG) fprintf(stderr, "%.2f ", v[2].f);
233 tc0 = (GLuint (*)[4])((GLubyte *)tc0 + tc0_stride);
238 if (TCL_DEBUG) fprintf(stderr, "t1: %.2f %.2f ", v[0].f, v[1].f);
240 if (fill_tex & (1<<1))
242 else if (rqcoordsnoswap & (1<<1))
246 if (TCL_DEBUG) fprintf(stderr, "%.2f ", v[2].f);
251 tc1 = (GLuint (*)[4])((GLubyte *)tc1 + tc1_stride);
256 if (TCL_DEBUG) fprintf(stderr, "t2: %.2f %.2f ", v[0].f, v[1].f);
258 if (fill_tex & (1<<2))
260 else if (rqcoordsnoswap & (1<<2))
264 if (TCL_DEBUG) fprintf(stderr, "%.2f ", v[2].f);
269 tc2 = (GLuint (*)[4])((GLubyte *)tc2 + tc2_stride);
271 if (TCL_DEBUG) fprintf(stderr, "\n");
278 static void TAG(init)( void )
282 if (DO_NORM) sz += 3;
284 if (DO_SPEC_OR_FOG) sz++;
285 if (DO_TEX0) sz += 2;
286 if (DO_TEX0 && DO_PTEX) sz++;
287 if (DO_TEX1) sz += 2;
288 if (DO_TEX1 && DO_PTEX) sz++;
289 if (DO_TEX2) sz += 2;
290 if (DO_TEX2 && DO_PTEX) sz++;
292 setup_tab[IDX].emit = TAG(emit);
293 setup_tab[IDX].vertex_format = IND;
294 setup_tab[IDX].vertex_size = sz;