/*
* Mesa 3-D graphics library
* Version: 4.1
*
* Copyright (C) 1999-2002 Brian Paul All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
* AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
* Authors:
* Keith Whitwell <keith@tungstengraphics.com>
*/
#ifndef LOCALVARS
#define LOCALVARS
#endif
#undef TCL_DEBUG
#ifndef TCL_DEBUG
#define TCL_DEBUG 0
#endif
static void TAG(emit)( struct gl_context *ctx,
GLuint start, GLuint end,
void *dest )
{
LOCALVARS
struct vertex_buffer *VB = &TNL_CONTEXT(ctx)->vb;
GLuint (*tc0)[4], (*tc1)[4], (*tc2)[4];
GLfloat (*col)[4], (*spec)[4];
GLfloat (*fog)[4];
GLuint (*norm)[4];
GLuint tc0_stride, tc1_stride, col_stride, spec_stride, fog_stride;
GLuint tc2_stride, norm_stride;
GLuint fill_tex = 0;
GLuint rqcoordsnoswap = 0;
GLuint (*coord)[4];
GLuint coord_stride; /* object coordinates */
int i;
union emit_union *v = (union emit_union *)dest;
radeon_print(RADEON_SWRENDER, RADEON_VERBOSE, "%s\n", __FUNCTION__);
coord = (GLuint (*)[4])VB->AttribPtr[_TNL_ATTRIB_POS]->data;
coord_stride = VB->AttribPtr[_TNL_ATTRIB_POS]->stride;
if (DO_TEX2) {
if (VB->AttribPtr[_TNL_ATTRIB_TEX2]) {
const GLuint t2 = GET_TEXSOURCE(2);
tc2 = (GLuint (*)[4])VB->AttribPtr[_TNL_ATTRIB_TEX0 + t2]->data;
tc2_stride = VB->AttribPtr[_TNL_ATTRIB_TEX0 + t2]->stride;
if (DO_PTEX && VB->AttribPtr[_TNL_ATTRIB_TEX0 + t2]->size < 3) {
fill_tex |= (1<<2);
}
else if (DO_PTEX && VB->AttribPtr[_TNL_ATTRIB_TEX0 + t2]->size < 4) {
rqcoordsnoswap |= (1<<2);
}
} else {
tc2 = (GLuint (*)[4])&ctx->Current.Attrib[VERT_ATTRIB_TEX2];
tc2_stride = 0;
}
}
if (DO_TEX1) {
if (VB->AttribPtr[_TNL_ATTRIB_TEX1]) {
const GLuint t1 = GET_TEXSOURCE(1);
tc1 = (GLuint (*)[4])VB->AttribPtr[_TNL_ATTRIB_TEX0 + t1]->data;
tc1_stride = VB->AttribPtr[_TNL_ATTRIB_TEX0 + t1]->stride;
if (DO_PTEX && VB->AttribPtr[_TNL_ATTRIB_TEX0 + t1]->size < 3) {
fill_tex |= (1<<1);
}
else if (DO_PTEX && VB->AttribPtr[_TNL_ATTRIB_TEX0 + t1]->size < 4) {
rqcoordsnoswap |= (1<<1);
}
} else {
tc1 = (GLuint (*)[4])&ctx->Current.Attrib[VERT_ATTRIB_TEX1];
tc1_stride = 0;
}
}
if (DO_TEX0) {
if (VB->AttribPtr[_TNL_ATTRIB_TEX0]) {
const GLuint t0 = GET_TEXSOURCE(0);
tc0_stride = VB->AttribPtr[_TNL_ATTRIB_TEX0 + t0]->stride;
tc0 = (GLuint (*)[4])VB->AttribPtr[_TNL_ATTRIB_TEX0 + t0]->data;
if (DO_PTEX && VB->AttribPtr[_TNL_ATTRIB_TEX0 + t0]->size < 3) {
fill_tex |= (1<<0);
}
else if (DO_PTEX && VB->AttribPtr[_TNL_ATTRIB_TEX0 + t0]->size < 4) {
rqcoordsnoswap |= (1<<0);
}
} else {
tc0 = (GLuint (*)[4])&ctx->Current.Attrib[VERT_ATTRIB_TEX0];
tc0_stride = 0;
}
}
if (DO_NORM) {
if (VB->AttribPtr[_TNL_ATTRIB_NORMAL]) {
norm_stride = VB->AttribPtr[_TNL_ATTRIB_NORMAL]->stride;
norm = (GLuint (*)[4])VB->AttribPtr[_TNL_ATTRIB_NORMAL]->data;
} else {
norm_stride = 0;
norm = (GLuint (*)[4])&ctx->Current.Attrib[VERT_ATTRIB_NORMAL];
}
}
if (DO_RGBA) {
if (VB->AttribPtr[_TNL_ATTRIB_COLOR0]) {
col = VB->AttribPtr[_TNL_ATTRIB_COLOR0]->data;
col_stride = VB->AttribPtr[_TNL_ATTRIB_COLOR0]->stride;
} else {
col = (GLfloat (*)[4])ctx->Current.Attrib[VERT_ATTRIB_COLOR0];
col_stride = 0;
}
}
if (DO_SPEC_OR_FOG) {
if (VB->AttribPtr[_TNL_ATTRIB_COLOR1]) {
spec = VB->AttribPtr[_TNL_ATTRIB_COLOR1]->data;
spec_stride = VB->AttribPtr[_TNL_ATTRIB_COLOR1]->stride;
} else {
spec = (GLfloat (*)[4])ctx->Current.Attrib[VERT_ATTRIB_COLOR1];
spec_stride = 0;
}
}
if (DO_SPEC_OR_FOG) {
if (VB->AttribPtr[_TNL_ATTRIB_FOG]) {
fog = VB->AttribPtr[_TNL_ATTRIB_FOG]->data;
fog_stride = VB->AttribPtr[_TNL_ATTRIB_FOG]->stride;
} else {
fog = (GLfloat (*)[4])ctx->Current.Attrib[VERT_ATTRIB_FOG];
fog_stride = 0;
}
}
if (start) {
coord = (GLuint (*)[4])((GLubyte *)coord + start * coord_stride);
if (DO_TEX0)
tc0 = (GLuint (*)[4])((GLubyte *)tc0 + start * tc0_stride);
if (DO_TEX1)
tc1 = (GLuint (*)[4])((GLubyte *)tc1 + start * tc1_stride);
if (DO_TEX2)
tc2 = (GLuint (*)[4])((GLubyte *)tc2 + start * tc2_stride);
if (DO_NORM)
norm = (GLuint (*)[4])((GLubyte *)norm + start * norm_stride);
if (DO_RGBA)
STRIDE_4F(col, start * col_stride);
if (DO_SPEC)
STRIDE_4F(spec, start * spec_stride);
if (DO_FOG)
STRIDE_4F(fog, start * fog_stride);
}
{
for (i=start; i < end; i++) {
v[0].ui = coord[0][0];
v[1].ui = coord[0][1];
v[2].ui = coord[0][2];
if (DO_W) {
v[3].ui = coord[0][3];
v += 4;
}
else
v += 3;
coord = (GLuint (*)[4])((GLubyte *)coord + coord_stride);
if (DO_NORM) {
v[0].ui = norm[0][0];
v[1].ui = norm[0][1];
v[2].ui = norm[0][2];
v += 3;
norm = (GLuint (*)[4])((GLubyte *)norm + norm_stride);
}
if (DO_RGBA) {
UNCLAMPED_FLOAT_TO_UBYTE(v[0].rgba.red, col[0][0]);
UNCLAMPED_FLOAT_TO_UBYTE(v[0].rgba.green, col[0][1]);
UNCLAMPED_FLOAT_TO_UBYTE(v[0].rgba.blue, col[0][2]);
UNCLAMPED_FLOAT_TO_UBYTE(v[0].rgba.alpha, col[0][3]);
STRIDE_4F(col, col_stride);
v++;
}
if (DO_SPEC_OR_FOG) {
if (DO_SPEC) {
UNCLAMPED_FLOAT_TO_UBYTE(v[0].rgba.red, spec[0][0]);
UNCLAMPED_FLOAT_TO_UBYTE(v[0].rgba.green, spec[0][1]);
UNCLAMPED_FLOAT_TO_UBYTE(v[0].rgba.blue, spec[0][2]);
STRIDE_4F(spec, spec_stride);
}
if (DO_FOG) {
UNCLAMPED_FLOAT_TO_UBYTE(v[0].rgba.alpha, radeonComputeFogBlendFactor(ctx, fog[0][0]));
STRIDE_4F(fog, fog_stride);
}
if (TCL_DEBUG) fprintf(stderr, "%x ", v[0].ui);
v++;
}
if (DO_TEX0) {
v[0].ui = tc0[0][0];
v[1].ui = tc0[0][1];
if (TCL_DEBUG) fprintf(stderr, "t0: %.2f %.2f ", v[0].f, v[1].f);
if (DO_PTEX) {
if (fill_tex & (1<<0))
v[2].f = 1.0;
else if (rqcoordsnoswap & (1<<0))
v[2].ui = tc0[0][2];
else
v[2].ui = tc0[0][3];
if (TCL_DEBUG) fprintf(stderr, "%.2f ", v[2].f);
v += 3;
}
else
v += 2;
tc0 = (GLuint (*)[4])((GLubyte *)tc0 + tc0_stride);
}
if (DO_TEX1) {
v[0].ui = tc1[0][0];
v[1].ui = tc1[0][1];
if (TCL_DEBUG) fprintf(stderr, "t1: %.2f %.2f ", v[0].f, v[1].f);
if (DO_PTEX) {
if (fill_tex & (1<<1))
v[2].f = 1.0;
else if (rqcoordsnoswap & (1<<1))
v[2].ui = tc1[0][2];
else
v[2].ui = tc1[0][3];
if (TCL_DEBUG) fprintf(stderr, "%.2f ", v[2].f);
v += 3;
}
else
v += 2;
tc1 = (GLuint (*)[4])((GLubyte *)tc1 + tc1_stride);
}
if (DO_TEX2) {
v[0].ui = tc2[0][0];
v[1].ui = tc2[0][1];
if (TCL_DEBUG) fprintf(stderr, "t2: %.2f %.2f ", v[0].f, v[1].f);
if (DO_PTEX) {
if (fill_tex & (1<<2))
v[2].f = 1.0;
else if (rqcoordsnoswap & (1<<2))
v[2].ui = tc2[0][2];
else
v[2].ui = tc2[0][3];
if (TCL_DEBUG) fprintf(stderr, "%.2f ", v[2].f);
v += 3;
}
else
v += 2;
tc2 = (GLuint (*)[4])((GLubyte *)tc2 + tc2_stride);
}
if (TCL_DEBUG) fprintf(stderr, "\n");
}
}
}
static void TAG(init)( void )
{
int sz = 3;
if (DO_W) sz++;
if (DO_NORM) sz += 3;
if (DO_RGBA) sz++;
if (DO_SPEC_OR_FOG) sz++;
if (DO_TEX0) sz += 2;
if (DO_TEX0 && DO_PTEX) sz++;
if (DO_TEX1) sz += 2;
if (DO_TEX1 && DO_PTEX) sz++;
if (DO_TEX2) sz += 2;
if (DO_TEX2 && DO_PTEX) sz++;
setup_tab[IDX].emit = TAG(emit);
setup_tab[IDX].vertex_format = IND;
setup_tab[IDX].vertex_size = sz;
}
#undef IND
#undef TAG
#undef IDX