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Diffstat (limited to 'nx-X11/extras/Mesa/src/mesa/drivers/glide/fxvbtmp.h')
-rw-r--r--nx-X11/extras/Mesa/src/mesa/drivers/glide/fxvbtmp.h369
1 files changed, 369 insertions, 0 deletions
diff --git a/nx-X11/extras/Mesa/src/mesa/drivers/glide/fxvbtmp.h b/nx-X11/extras/Mesa/src/mesa/drivers/glide/fxvbtmp.h
new file mode 100644
index 000000000..f7970c78e
--- /dev/null
+++ b/nx-X11/extras/Mesa/src/mesa/drivers/glide/fxvbtmp.h
@@ -0,0 +1,369 @@
+/*
+ * 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]
+
+static void TAG(emit)( GLcontext *ctx,
+ GLuint start, GLuint end,
+ void *dest )
+{
+ fxMesaContext fxMesa = FX_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], (*spec)[4];
+ GLuint tc0_stride, tc1_stride, col_stride, spec_stride;
+ GLuint tc0_size, tc1_size, col_size;
+ GLfloat (*proj)[4] = VB->NdcPtr->data;
+ GLuint proj_stride = VB->NdcPtr->stride;
+ GLfloat (*psize)[4];
+ GLuint psize_stride;
+ GLfloat (*fog)[4];
+ GLuint fog_stride;
+ GrVertex *v = (GrVertex *)dest;
+ GLfloat u0scale,v0scale,u1scale,v1scale;
+ const GLubyte *mask = VB->ClipMask;
+ const GLfloat *const s = ctx->Viewport._WindowMap.m;
+ int i;
+
+ if (IND & SETUP_PSIZ) {
+ psize = VB->PointSizePtr->data;
+ psize_stride = VB->PointSizePtr->stride;
+ }
+
+ if (IND & SETUP_TMU0) {
+ tc0 = VB->TexCoordPtr[tmu0_source]->data;
+ tc0_stride = VB->TexCoordPtr[tmu0_source]->stride;
+ u0scale = fxMesa->s0scale;
+ v0scale = fxMesa->t0scale;
+ if (IND & SETUP_PTEX)
+ tc0_size = VB->TexCoordPtr[tmu0_source]->size;
+ }
+
+ if (IND & SETUP_TMU1) {
+ tc1 = VB->TexCoordPtr[tmu1_source]->data;
+ tc1_stride = VB->TexCoordPtr[tmu1_source]->stride;
+ u1scale = fxMesa->s1scale; /* wrong if tmu1_source == 0, possible? */
+ v1scale = fxMesa->t1scale;
+ if (IND & SETUP_PTEX)
+ tc1_size = VB->TexCoordPtr[tmu1_source]->size;
+ }
+
+ if (IND & SETUP_RGBA) {
+ col = VB->ColorPtr[0]->data;
+ col_stride = VB->ColorPtr[0]->stride;
+ col_size = VB->ColorPtr[0]->size;
+ }
+
+ if (IND & SETUP_SPEC) {
+ spec = VB->SecondaryColorPtr[0]->data;
+ spec_stride = VB->SecondaryColorPtr[0]->stride;
+ }
+
+ if (IND & SETUP_FOGC) {
+ fog = VB->FogCoordPtr->data;
+ fog_stride = VB->FogCoordPtr->stride;
+ }
+
+ if (start) {
+ proj = (GLfloat (*)[4])((GLubyte *)proj + start * proj_stride);
+ if (IND & SETUP_PSIZ)
+ psize = (GLfloat (*)[4])((GLubyte *)psize + start * psize_stride);
+ if (IND & SETUP_TMU0)
+ tc0 = (GLfloat (*)[4])((GLubyte *)tc0 + start * tc0_stride);
+ if (IND & SETUP_TMU1)
+ tc1 = (GLfloat (*)[4])((GLubyte *)tc1 + start * tc1_stride);
+ if (IND & SETUP_RGBA)
+ STRIDE_4F(col, start * col_stride);
+ if (IND & SETUP_SPEC)
+ STRIDE_4F(spec, start * spec_stride);
+ if (IND & SETUP_FOGC)
+ fog = (GLfloat (*)[4])((GLubyte *)fog + start * fog_stride);
+ }
+
+ for (i=start; i < end; i++, v++) {
+ if (IND & SETUP_PSIZ) {
+ v->psize = psize[0][0];
+ psize = (GLfloat (*)[4])((GLubyte *)psize + psize_stride);
+ }
+
+ if (IND & SETUP_XYZW) {
+ if (mask[i] == 0) {
+ /* unclipped */
+ VIEWPORT_X(v->x, proj[0][0]);
+ VIEWPORT_Y(v->y, proj[0][1]);
+ VIEWPORT_Z(v->ooz, proj[0][2]);
+ v->oow = proj[0][3];
+
+ if (IND & SETUP_SNAP) {
+#if defined(USE_IEEE)
+ const float snapper = (3L << 18);
+ v->x += snapper;
+ v->x -= snapper;
+ v->y += snapper;
+ v->y -= snapper;
+#else
+ v->x = ((int) (v->x * 16.0f)) * (1.0f / 16.0f);
+ v->y = ((int) (v->y * 16.0f)) * (1.0f / 16.0f);
+#endif
+ }
+ } else {
+ /* clipped */
+ v->oow = 1.0;
+ }
+
+ proj = (GLfloat (*)[4])((GLubyte *)proj + proj_stride);
+ }
+ if (IND & SETUP_RGBA) {
+#if FX_PACKEDCOLOR
+ UNCLAMPED_FLOAT_TO_UBYTE(v->pargb[2], col[0][0]);
+ UNCLAMPED_FLOAT_TO_UBYTE(v->pargb[1], col[0][1]);
+ UNCLAMPED_FLOAT_TO_UBYTE(v->pargb[0], col[0][2]);
+ if (col_size == 4) {
+ UNCLAMPED_FLOAT_TO_UBYTE(v->pargb[3], col[0][3]);
+ } else {
+ v->pargb[3] = 255;
+ }
+#else /* !FX_PACKEDCOLOR */
+ CNORM(v->r, col[0][0]);
+ CNORM(v->g, col[0][1]);
+ CNORM(v->b, col[0][2]);
+ if (col_size == 4) {
+ CNORM(v->a, col[0][3]);
+ } else {
+ v->a = 255.0f;
+ }
+#endif /* !FX_PACKEDCOLOR */
+ STRIDE_4F(col, col_stride);
+ }
+ if (IND & SETUP_SPEC) {
+#if FX_PACKEDCOLOR
+ UNCLAMPED_FLOAT_TO_UBYTE(v->pspec[2], spec[0][0]);
+ UNCLAMPED_FLOAT_TO_UBYTE(v->pspec[1], spec[0][1]);
+ UNCLAMPED_FLOAT_TO_UBYTE(v->pspec[0], spec[0][2]);
+#else /* !FX_PACKEDCOLOR */
+ CNORM(v->r1, spec[0][0]);
+ CNORM(v->g1, spec[0][1]);
+ CNORM(v->b1, spec[0][2]);
+#endif /* !FX_PACKEDCOLOR */
+ STRIDE_4F(spec, spec_stride);
+ }
+ if (IND & SETUP_FOGC) {
+ v->fog = CLAMP(fog[0][0], 0.0f, 1.0f);
+ fog = (GLfloat (*)[4])((GLubyte *)fog + fog_stride);
+ }
+ if (IND & SETUP_TMU0) {
+ GLfloat w = v->oow;
+ v->tmuvtx[0].sow = tc0[0][0] * u0scale * w;
+ v->tmuvtx[0].tow = tc0[0][1] * v0scale * w;
+ if (IND & SETUP_PTEX) {
+ v->tmuvtx[0].oow = w;
+ if (tc0_size == 4)
+ v->tmuvtx[0].oow *= tc0[0][3];
+ }
+ tc0 = (GLfloat (*)[4])((GLubyte *)tc0 + tc0_stride);
+ }
+ if (IND & SETUP_TMU1) {
+ GLfloat w = v->oow;
+ v->tmuvtx[1].sow = tc1[0][0] * u1scale * w;
+ v->tmuvtx[1].tow = tc1[0][1] * v1scale * w;
+ if (IND & SETUP_PTEX) {
+ v->tmuvtx[1].oow = w;
+ if (tc1_size == 4)
+ v->tmuvtx[1].oow *= tc1[0][3];
+ }
+ tc1 = (GLfloat (*)[4])((GLubyte *)tc1 + tc1_stride);
+ }
+ }
+}
+
+#if (IND & SETUP_XYZW) && (IND & SETUP_RGBA)
+
+static GLboolean TAG(check_tex_sizes)( GLcontext *ctx )
+{
+/* fprintf(stderr, "%s\n", __FUNCTION__); */
+
+ if (IND & SETUP_PTEX)
+ return GL_TRUE;
+
+ if (IND & SETUP_TMU0) {
+ struct vertex_buffer *VB = &TNL_CONTEXT(ctx)->vb;
+
+ if (IND & SETUP_TMU1) {
+ if (VB->TexCoordPtr[0] == 0)
+ VB->TexCoordPtr[0] = VB->TexCoordPtr[1];
+
+ if (VB->TexCoordPtr[1]->size == 4)
+ return GL_FALSE;
+ }
+
+ if (VB->TexCoordPtr[0] && VB->TexCoordPtr[0]->size == 4)
+ return GL_FALSE;
+ }
+
+ return GL_TRUE;
+}
+
+static void TAG(interp)( GLcontext *ctx,
+ GLfloat t,
+ GLuint edst, GLuint eout, GLuint ein,
+ GLboolean force_boundary )
+{
+ fxMesaContext fxMesa = FX_CONTEXT( ctx );
+ struct vertex_buffer *VB = &TNL_CONTEXT(ctx)->vb;
+ const GLfloat *dstclip = VB->ClipPtr->data[edst];
+ const GLfloat oow = (dstclip[3] == 0.0F) ? 1.0F : (1.0F / dstclip[3]);
+ const GLfloat *const s = ctx->Viewport._WindowMap.m;
+ GrVertex *fxverts = fxMesa->verts;
+ GrVertex *dst = (GrVertex *) (fxverts + edst);
+ const GrVertex *out = (const GrVertex *) (fxverts + eout);
+ const GrVertex *in = (const GrVertex *) (fxverts + ein);
+ const GLfloat wout = oow / out->oow;
+ const GLfloat win = oow / in->oow;
+
+ VIEWPORT_X(dst->x, dstclip[0] * oow);
+ VIEWPORT_Y(dst->y, dstclip[1] * oow);
+ VIEWPORT_Z(dst->ooz, dstclip[2] * oow);
+ dst->oow = oow;
+
+ if (IND & SETUP_SNAP) {
+#if defined(USE_IEEE)
+ const float snapper = (3L << 18);
+ dst->x += snapper;
+ dst->x -= snapper;
+ dst->y += snapper;
+ dst->y -= snapper;
+#else
+ dst->x = ((int) (dst->x * 16.0f)) * (1.0f / 16.0f);
+ dst->y = ((int) (dst->y * 16.0f)) * (1.0f / 16.0f);
+#endif
+ }
+
+
+#if FX_PACKEDCOLOR
+ INTERP_UB( t, dst->pargb[0], out->pargb[0], in->pargb[0] );
+ INTERP_UB( t, dst->pargb[1], out->pargb[1], in->pargb[1] );
+ INTERP_UB( t, dst->pargb[2], out->pargb[2], in->pargb[2] );
+ INTERP_UB( t, dst->pargb[3], out->pargb[3], in->pargb[3] );
+#else /* !FX_PACKEDCOLOR */
+ INTERP_F( t, dst->r, out->r, in->r );
+ INTERP_F( t, dst->g, out->g, in->g );
+ INTERP_F( t, dst->b, out->b, in->b );
+ INTERP_F( t, dst->a, out->a, in->a );
+#endif /* !FX_PACKEDCOLOR */
+
+ if (IND & SETUP_SPEC) {
+#if FX_PACKEDCOLOR
+ INTERP_UB( t, dst->pspec[0], out->pspec[0], in->pspec[0] );
+ INTERP_UB( t, dst->pspec[1], out->pspec[1], in->pspec[1] );
+ INTERP_UB( t, dst->pspec[2], out->pspec[2], in->pspec[2] );
+#else /* !FX_PACKEDCOLOR */
+ INTERP_F( t, dst->r1, out->r1, in->r1 );
+ INTERP_F( t, dst->g1, out->g1, in->g1 );
+ INTERP_F( t, dst->b1, out->b1, in->b1 );
+#endif /* !FX_PACKEDCOLOR */
+ }
+
+ if (IND & SETUP_FOGC) {
+ INTERP_F( t, dst->fog, out->fog, in->fog );
+ }
+
+ if (IND & SETUP_TMU0) {
+ INTERP_F( t,
+ dst->tmuvtx[0].sow,
+ out->tmuvtx[0].sow * wout,
+ in->tmuvtx[0].sow * win );
+ INTERP_F( t,
+ dst->tmuvtx[0].tow,
+ out->tmuvtx[0].tow * wout,
+ in->tmuvtx[0].tow * win );
+ if (IND & SETUP_PTEX) {
+ INTERP_F( t,
+ dst->tmuvtx[0].oow,
+ out->tmuvtx[0].oow * wout,
+ in->tmuvtx[0].oow * win );
+ }
+ }
+
+ if (IND & SETUP_TMU1) {
+ INTERP_F( t,
+ dst->tmuvtx[1].sow,
+ out->tmuvtx[1].sow * wout,
+ in->tmuvtx[1].sow * win );
+ INTERP_F( t,
+ dst->tmuvtx[1].tow,
+ out->tmuvtx[1].tow * wout,
+ in->tmuvtx[1].tow * win );
+ if (IND & SETUP_PTEX) {
+ INTERP_F( t,
+ dst->tmuvtx[1].oow,
+ out->tmuvtx[1].oow * wout,
+ in->tmuvtx[1].oow * win );
+ }
+ }
+}
+#endif
+
+
+static void TAG(init)( void )
+{
+ setup_tab[IND].emit = TAG(emit);
+
+ if (IND & SETUP_SPEC) {
+ setup_tab[IND].copy_pv = copy_pv2;
+ } else {
+ setup_tab[IND].copy_pv = copy_pv;
+ }
+
+#if ((IND & SETUP_XYZW) && (IND & SETUP_RGBA))
+ setup_tab[IND].check_tex_sizes = TAG(check_tex_sizes);
+ setup_tab[IND].interp = TAG(interp);
+
+ setup_tab[IND].vertex_format = 0;
+ if (IND & SETUP_PTEX) {
+ setup_tab[IND].vertex_format |= GR_STWHINT_W_DIFF_TMU0;
+ }
+
+#if (IND & SETUP_TMU1)
+ setup_tab[IND].vertex_format |= GR_STWHINT_ST_DIFF_TMU1;
+ if (IND & SETUP_PTEX) {
+ setup_tab[IND].vertex_format |= GR_STWHINT_W_DIFF_TMU1;
+ }
+#endif
+
+#endif
+}
+
+
+#undef IND
+#undef TAG
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