+/*
+ * 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>
+ * Daniel Borca <dborca@users.sourceforge.net>
+ */
+
+
+#define VIEWPORT_X(dst,x) dst = s[0] * x + s[12]
+#define VIEWPORT_Y(dst,y) dst = s[5] * y + s[13]
+#define VIEWPORT_Z(dst,z) dst = s[10] * z + s[14]
-#if (IND & (TDFX_W_BIT|TDFX_TEX0_BIT|TDFX_TEX1_BIT))
static void TAG(emit)( GLcontext *ctx,
GLuint start, GLuint end,
- void *dest,
- GLuint stride )
+ void *dest )
{
tdfxContextPtr fxMesa = TDFX_CONTEXT(ctx);
struct vertex_buffer *VB = &TNL_CONTEXT(ctx)->vb;
+ GLuint tmu0_source = fxMesa->tmu_source[0];
+ GLuint tmu1_source = fxMesa->tmu_source[1];
GLfloat (*tc0)[4], (*tc1)[4];
GLfloat (*col)[4];
GLuint tc0_stride, tc1_stride, col_stride;
- GLuint tc0_size, tc1_size;
+ GLuint tc0_size, tc1_size, col_size;
GLfloat (*proj)[4] = VB->NdcPtr->data;
GLuint proj_stride = VB->NdcPtr->stride;
+ GLfloat (*fog)[4];
+ GLuint fog_stride;
tdfxVertex *v = (tdfxVertex *)dest;
GLfloat u0scale,v0scale,u1scale,v1scale;
const GLubyte *mask = VB->ClipMask;
int i;
/* fprintf(stderr, "%s\n", __FUNCTION__); */
- ASSERT(stride > 16);
-
if (IND & TDFX_TEX0_BIT) {
- tc0_stride = VB->TexCoordPtr[0]->stride;
- tc0 = VB->TexCoordPtr[0]->data;
+ tc0_stride = VB->AttribPtr[_TNL_ATTRIB_TEX0 + tmu0_source]->stride;
+ tc0 = VB->AttribPtr[_TNL_ATTRIB_TEX0 + tmu0_source]->data;
u0scale = fxMesa->sScale0;
v0scale = fxMesa->tScale0;
if (IND & TDFX_PTEX_BIT)
- tc0_size = VB->TexCoordPtr[0]->size;
+ tc0_size = VB->AttribPtr[_TNL_ATTRIB_TEX0 + tmu0_source]->size;
}
if (IND & TDFX_TEX1_BIT) {
- tc1 = VB->TexCoordPtr[1]->data;
- tc1_stride = VB->TexCoordPtr[1]->stride;
+ tc1 = VB->AttribPtr[_TNL_ATTRIB_TEX0 + tmu1_source]->data;
+ tc1_stride = VB->AttribPtr[_TNL_ATTRIB_TEX0 + tmu1_source]->stride;
u1scale = fxMesa->sScale1;
v1scale = fxMesa->tScale1;
if (IND & TDFX_PTEX_BIT)
- tc1_size = VB->TexCoordPtr[1]->size;
+ tc1_size = VB->AttribPtr[_TNL_ATTRIB_TEX0 + tmu1_source]->size;
}
if (IND & TDFX_RGBA_BIT) {
- col = VB->ColorPtr[0]->data;
- col_stride = VB->ColorPtr[0]->stride;
+ col = VB->AttribPtr[_TNL_ATTRIB_COLOR0]->data;
+ col_stride = VB->AttribPtr[_TNL_ATTRIB_COLOR0]->stride;
+ col_size = VB->AttribPtr[_TNL_ATTRIB_COLOR0]->size;
+ }
+
+ if (IND & TDFX_FOGC_BIT) {
+ fog = VB->AttribPtr[_TNL_ATTRIB_FOG]->data;
+ fog_stride = VB->AttribPtr[_TNL_ATTRIB_FOG]->stride;
}
{
tc1 = (GLfloat (*)[4])((GLubyte *)tc1 + start * tc1_stride);
if (IND & TDFX_RGBA_BIT)
STRIDE_4F(col, start * col_stride);
+ if (IND & TDFX_FOGC_BIT)
+ STRIDE_4F(fog, start * fog_stride);
}
- for (i=start; i < end; i++, v = (tdfxVertex *)((GLubyte *)v + stride)) {
+ for (i=start; i < end; i++, v++) {
if (IND & TDFX_XYZ_BIT) {
if (mask[i] == 0) {
/* unclipped */
- v->v.x = s[0] * proj[0][0] + s[12];
- v->v.y = s[5] * proj[0][1] + s[13];
- v->v.z = s[10] * proj[0][2] + s[14];
- v->v.rhw = proj[0][3];
+ VIEWPORT_X(v->x, proj[0][0]);
+ VIEWPORT_Y(v->y, proj[0][1]);
+ VIEWPORT_Z(v->z, proj[0][2]);
+ v->rhw = proj[0][3];
} else {
/* clipped */
- v->v.rhw = 1.0;
+ v->rhw = 1.0;
}
proj = (GLfloat (*)[4])((GLubyte *)proj + proj_stride);
}
if (IND & TDFX_RGBA_BIT) {
- GLubyte *b = (GLubyte *)((GLuint *)v + 4);
- UNCLAMPED_FLOAT_TO_UBYTE(b[0], col[0][2]);
- UNCLAMPED_FLOAT_TO_UBYTE(b[1], col[0][1]);
- UNCLAMPED_FLOAT_TO_UBYTE(b[2], col[0][0]);
- UNCLAMPED_FLOAT_TO_UBYTE(b[3], col[0][3]);
+ UNCLAMPED_FLOAT_TO_UBYTE(v->color[0], col[0][2]);
+ UNCLAMPED_FLOAT_TO_UBYTE(v->color[1], col[0][1]);
+ UNCLAMPED_FLOAT_TO_UBYTE(v->color[2], col[0][0]);
+ if (col_size == 4) {
+ UNCLAMPED_FLOAT_TO_UBYTE(v->color[3], col[0][3]);
+ } else {
+ v->color[3] = 255;
+ }
STRIDE_4F(col, col_stride);
}
+ if (IND & TDFX_FOGC_BIT) {
+ v->fog = CLAMP(fog[0][0], 0.0f, 1.0f);
+ STRIDE_4F(fog, fog_stride);
+ }
if (IND & TDFX_TEX0_BIT) {
- GLfloat w = v->v.rhw;
+ GLfloat w = v->rhw;
+ v->tu0 = tc0[0][0] * u0scale * w;
+ v->tv0 = tc0[0][1] * v0scale * w;
if (IND & TDFX_PTEX_BIT) {
- v->pv.tu0 = tc0[0][0] * u0scale * w;
- v->pv.tv0 = tc0[0][1] * v0scale * w;
- v->pv.tq0 = w;
+ v->tq0 = w;
if (tc0_size == 4)
- v->pv.tq0 = tc0[0][3] * w;
- }
- else {
- v->v.tu0 = tc0[0][0] * u0scale * w;
- v->v.tv0 = tc0[0][1] * v0scale * w;
+ v->tq0 = tc0[0][3] * w;
}
tc0 = (GLfloat (*)[4])((GLubyte *)tc0 + tc0_stride);
}
if (IND & TDFX_TEX1_BIT) {
- GLfloat w = v->v.rhw;
+ GLfloat w = v->rhw;
+ v->tu1 = tc1[0][0] * u1scale * w;
+ v->tv1 = tc1[0][1] * v1scale * w;
if (IND & TDFX_PTEX_BIT) {
- v->pv.tu1 = tc1[0][0] * u1scale * w;
- v->pv.tv1 = tc1[0][1] * v1scale * w;
- v->pv.tq1 = w;
+ v->tq1 = w;
if (tc1_size == 4)
- v->pv.tq1 = tc1[0][3] * w;
- }
- else {
- v->v.tu1 = tc1[0][0] * u1scale * w;
- v->v.tv1 = tc1[0][1] * v1scale * w;
+ v->tq1 = tc1[0][3] * w;
}
tc1 = (GLfloat (*)[4])((GLubyte *)tc1 + tc1_stride);
}
}
}
}
-#else
-#if (IND & TDFX_XYZ_BIT)
-static void TAG(emit)( GLcontext *ctx, GLuint start, GLuint end,
- void *dest, GLuint stride )
-{
- tdfxContextPtr fxMesa = TDFX_CONTEXT(ctx);
- struct vertex_buffer *VB = &TNL_CONTEXT(ctx)->vb;
- GLfloat (*col)[4];
- GLuint col_stride;
- GLfloat (*proj)[4] = VB->NdcPtr->data;
- GLuint proj_stride = VB->NdcPtr->stride;
- GLfloat *v = (GLfloat *)dest;
- const GLubyte *mask = VB->ClipMask;
- const GLfloat *s = fxMesa->hw_viewport;
- int i;
-
-/* fprintf(stderr, "%s %d..%d dest %p stride %d\n", __FUNCTION__, */
-/* start, end, dest, stride); */
-
- ASSERT(fxMesa->SetupIndex == (TDFX_XYZ_BIT|TDFX_RGBA_BIT));
- ASSERT(stride == 16);
-
- col = VB->ColorPtr[0]->data;
- col_stride = VB->ColorPtr[0]->stride;
- ASSERT(VB->ColorPtr[0]->Type == GL_UNSIGNED_BYTE);
- /* Pack what's left into a 4-dword vertex. Color is in a different
- * place, and there is no 'w' coordinate.
- */
- {
- if (start) {
- proj = (GLfloat (*)[4])((GLubyte *)proj + start * proj_stride);
- STRIDE_4F(col, start * col_stride);
- }
-
- for (i=start; i < end; i++, v+=4) {
- if (mask[i] == 0) {
- v[0] = s[0] * proj[0][0] + s[12];
- v[1] = s[5] * proj[0][1] + s[13];
- v[2] = s[10] * proj[0][2] + s[14];
- }
- proj = (GLfloat (*)[4])((GLubyte *)proj + proj_stride);
- {
- GLubyte *b = (GLubyte *)&v[3];
- UNCLAMPED_FLOAT_TO_UBYTE(b[0], col[0][2]);
- UNCLAMPED_FLOAT_TO_UBYTE(b[1], col[0][1]);
- UNCLAMPED_FLOAT_TO_UBYTE(b[2], col[0][0]);
- UNCLAMPED_FLOAT_TO_UBYTE(b[3], col[0][3]);
- STRIDE_4F(col, col_stride);
- }
- }
- }
-}
-#else
-static void TAG(emit)( GLcontext *ctx, GLuint start, GLuint end,
- void *dest, GLuint stride )
-{
- tdfxContextPtr fxMesa = TDFX_CONTEXT(ctx);
- struct vertex_buffer *VB = &TNL_CONTEXT(ctx)->vb;
- GLfloat (*col)[4];
- GLuint col_stride;
- GLfloat *v = (GLfloat *)dest;
- int i;
-
- col = VB->ColorPtr[0]->data;
- col_stride = VB->ColorPtr[0]->stride;
-
- if (start)
- STRIDE_4F(col, col_stride * start);
-
- /* Need to figure out where color is:
- */
- if (fxMesa->SetupIndex & TDFX_W_BIT )
- v += 4;
- else
- v += 3;
-
- for (i=start; i < end; i++, STRIDE_F(v, stride)) {
- GLubyte *b = (GLubyte *)v;
- UNCLAMPED_FLOAT_TO_UBYTE(b[0], col[0][2]);
- UNCLAMPED_FLOAT_TO_UBYTE(b[1], col[0][1]);
- UNCLAMPED_FLOAT_TO_UBYTE(b[2], col[0][0]);
- UNCLAMPED_FLOAT_TO_UBYTE(b[3], col[0][3]);
- STRIDE_4F(col, col_stride);
- }
-}
-#endif
-#endif
-
-#if (IND & TDFX_XYZ_BIT) && (IND & TDFX_RGBA_BIT)
static GLboolean TAG(check_tex_sizes)( GLcontext *ctx )
{
struct vertex_buffer *VB = &TNL_CONTEXT(ctx)->vb;
if (IND & TDFX_TEX1_BIT) {
- if (VB->TexCoordPtr[0] == 0)
- VB->TexCoordPtr[0] = VB->TexCoordPtr[1];
+ if (VB->AttribPtr[_TNL_ATTRIB_TEX0] == 0)
+ VB->AttribPtr[_TNL_ATTRIB_TEX0] = VB->AttribPtr[_TNL_ATTRIB_TEX1];
- if (VB->TexCoordPtr[1]->size == 4)
+ if (VB->AttribPtr[_TNL_ATTRIB_TEX1]->size == 4)
return GL_FALSE;
}
- if (VB->TexCoordPtr[0]->size == 4)
+ if (VB->AttribPtr[_TNL_ATTRIB_TEX0]->size == 4)
return GL_FALSE;
}
return GL_TRUE;
}
+
static void TAG(interp)( GLcontext *ctx,
GLfloat t,
GLuint edst, GLuint eout, GLuint ein,
{
tdfxContextPtr fxMesa = TDFX_CONTEXT( ctx );
struct vertex_buffer *VB = &TNL_CONTEXT(ctx)->vb;
- const GLuint shift = fxMesa->vertex_stride_shift;
const GLfloat *dstclip = VB->ClipPtr->data[edst];
const GLfloat oow = (dstclip[3] == 0.0F) ? 1.0F : (1.0F / dstclip[3]);
const GLfloat *s = fxMesa->hw_viewport;
- GLubyte *tdfxverts = (GLubyte *)fxMesa->verts;
- tdfxVertex *dst = (tdfxVertex *) (tdfxverts + (edst << shift));
- const tdfxVertex *out = (const tdfxVertex *) (tdfxverts + (eout << shift));
- const tdfxVertex *in = (const tdfxVertex *) (tdfxverts + (ein << shift));
- const GLfloat wout = 1.0F / out->v.rhw;
- const GLfloat win = 1.0F / in->v.rhw;
-
- dst->v.x = s[0] * dstclip[0] * oow + s[12];
- dst->v.y = s[5] * dstclip[1] * oow + s[13];
- dst->v.z = s[10] * dstclip[2] * oow + s[14];
-
- if (IND & (TDFX_W_BIT|TDFX_TEX0_BIT|TDFX_TEX1_BIT)) {
- dst->v.rhw = oow;
-
- INTERP_UB( t, dst->ub4[4][0], out->ub4[4][0], in->ub4[4][0] );
- INTERP_UB( t, dst->ub4[4][1], out->ub4[4][1], in->ub4[4][1] );
- INTERP_UB( t, dst->ub4[4][2], out->ub4[4][2], in->ub4[4][2] );
- INTERP_UB( t, dst->ub4[4][3], out->ub4[4][3], in->ub4[4][3] );
+ tdfxVertex *dst = fxMesa->verts + edst;
+ const tdfxVertex *out = fxMesa->verts + eout;
+ const tdfxVertex *in = fxMesa->verts + ein;
+ const GLfloat wout = oow / out->rhw;
+ const GLfloat win = oow / in->rhw;
+
+ VIEWPORT_X(dst->x, dstclip[0] * oow);
+ VIEWPORT_Y(dst->y, dstclip[1] * oow);
+ VIEWPORT_Z(dst->z, dstclip[2] * oow);
+ dst->rhw = oow;
+
+ INTERP_UB( t, dst->color[0], out->color[0], in->color[0] );
+ INTERP_UB( t, dst->color[1], out->color[1], in->color[1] );
+ INTERP_UB( t, dst->color[2], out->color[2], in->color[2] );
+ INTERP_UB( t, dst->color[3], out->color[3], in->color[3] );
+
+ if (IND & TDFX_FOGC_BIT) {
+ INTERP_F( t, dst->fog, out->fog, in->fog );
+ }
- if (IND & TDFX_TEX0_BIT) {
- if (IND & TDFX_PTEX_BIT) {
- INTERP_F( t, dst->pv.tu0, out->pv.tu0 * wout, in->pv.tu0 * win );
- INTERP_F( t, dst->pv.tv0, out->pv.tv0 * wout, in->pv.tv0 * win );
- INTERP_F( t, dst->pv.tq0, out->pv.tq0 * wout, in->pv.tq0 * win );
- dst->pv.tu0 *= oow;
- dst->pv.tv0 *= oow;
- dst->pv.tq0 *= oow;
- } else {
- INTERP_F( t, dst->v.tu0, out->v.tu0 * wout, in->v.tu0 * win );
- INTERP_F( t, dst->v.tv0, out->v.tv0 * wout, in->v.tv0 * win );
- dst->v.tu0 *= oow;
- dst->v.tv0 *= oow;
- }
- }
- if (IND & TDFX_TEX1_BIT) {
- if (IND & TDFX_PTEX_BIT) {
- INTERP_F( t, dst->pv.tu1, out->pv.tu1 * wout, in->pv.tu1 * win );
- INTERP_F( t, dst->pv.tv1, out->pv.tv1 * wout, in->pv.tv1 * win );
- INTERP_F( t, dst->pv.tq1, out->pv.tq1 * wout, in->pv.tq1 * win );
- dst->pv.tu1 *= oow;
- dst->pv.tv1 *= oow;
- dst->pv.tq1 *= oow;
- } else {
- INTERP_F( t, dst->v.tu1, out->v.tu1 * wout, in->v.tu1 * win );
- INTERP_F( t, dst->v.tv1, out->v.tv1 * wout, in->v.tv1 * win );
- dst->v.tu1 *= oow;
- dst->v.tv1 *= oow;
- }
+ if (IND & TDFX_TEX0_BIT) {
+ INTERP_F( t, dst->tu0, out->tu0 * wout, in->tu0 * win );
+ INTERP_F( t, dst->tv0, out->tv0 * wout, in->tv0 * win );
+ if (IND & TDFX_PTEX_BIT) {
+ INTERP_F( t, dst->tq0, out->tq0 * wout, in->tq0 * win );
}
- } else {
- /* 4-dword vertex. Color is in v[3] and there is no oow coordinate.
- */
- INTERP_UB( t, dst->ub4[3][0], out->ub4[3][0], in->ub4[3][0] );
- INTERP_UB( t, dst->ub4[3][1], out->ub4[3][1], in->ub4[3][1] );
- INTERP_UB( t, dst->ub4[3][2], out->ub4[3][2], in->ub4[3][2] );
- INTERP_UB( t, dst->ub4[3][3], out->ub4[3][3], in->ub4[3][3] );
+ }
+ if (IND & TDFX_TEX1_BIT) {
+ INTERP_F( t, dst->tu1, out->tu1 * wout, in->tu1 * win );
+ INTERP_F( t, dst->tv1, out->tv1 * wout, in->tv1 * win );
+ if (IND & TDFX_PTEX_BIT) {
+ INTERP_F( t, dst->tq1, out->tq1 * wout, in->tq1 * win );
+ }
}
}
-#endif
static void TAG(init)( void )
/* fprintf(stderr, "%s\n", __FUNCTION__); */
setup_tab[IND].emit = TAG(emit);
-
-#if ((IND & TDFX_XYZ_BIT) && (IND & TDFX_RGBA_BIT))
setup_tab[IND].check_tex_sizes = TAG(check_tex_sizes);
setup_tab[IND].interp = TAG(interp);
-
- if (IND & (TDFX_W_BIT|TDFX_TEX0_BIT|TDFX_TEX1_BIT))
- setup_tab[IND].copy_pv = copy_pv_rgba4;
- else
- setup_tab[IND].copy_pv = copy_pv_rgba3;
-
+ setup_tab[IND].copy_pv = copy_pv;
if (IND & TDFX_TEX1_BIT) {
if (IND & TDFX_PTEX_BIT) {
- setup_tab[IND].vertex_format = TDFX_LAYOUT_PROJECT;
- setup_tab[IND].vertex_size = 12;
- setup_tab[IND].vertex_stride_shift = 6;
+ setup_tab[IND].vertex_format = TDFX_LAYOUT_PROJ2;
}
else {
setup_tab[IND].vertex_format = TDFX_LAYOUT_MULTI;
- setup_tab[IND].vertex_size = 10;
- setup_tab[IND].vertex_stride_shift = 6;
}
}
else if (IND & TDFX_TEX0_BIT) {
if (IND & TDFX_PTEX_BIT) {
- setup_tab[IND].vertex_format = TDFX_LAYOUT_PROJECT;
- setup_tab[IND].vertex_size = 12;
- setup_tab[IND].vertex_stride_shift = 6;
+ setup_tab[IND].vertex_format = TDFX_LAYOUT_PROJ1;
} else {
setup_tab[IND].vertex_format = TDFX_LAYOUT_SINGLE;
- setup_tab[IND].vertex_size = 8;
- setup_tab[IND].vertex_stride_shift = 5;
}
}
else if (IND & TDFX_W_BIT) {
setup_tab[IND].vertex_format = TDFX_LAYOUT_NOTEX;
- setup_tab[IND].vertex_size = 6;
- setup_tab[IND].vertex_stride_shift = 5;
} else {
setup_tab[IND].vertex_format = TDFX_LAYOUT_TINY;
- setup_tab[IND].vertex_size = 4;
- setup_tab[IND].vertex_stride_shift = 4;
}
-#endif
}
projects / mesa.git / blobdiff