-
/*
* Mesa 3-D graphics library
- * Version: 3.3
+ * Version: 4.1
*
- * Copyright (C) 1999-2000 Brian Paul All Rights Reserved.
+ * 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"),
* 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.
- *
- * Author:
- * Keith Whitwell <keith@precisioninsight.com>
*/
+/* 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 NAME(GLcontext *ctx, GLuint start, GLuint end, GLuint newinputs)
+static void TAG(emit)( GLcontext *ctx,
+ GLuint start, GLuint end,
+ void *dest )
{
- fxMesaContext fxMesa = (fxMesaContext)ctx->DriverCtx;
- fxVertex *verts = fxMesa->verts;
+ 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 (*tmu0_data)[4];
- GLfloat (*tmu1_data)[4];
- GLubyte (*color)[4];
- GLfloat (*proj)[4] = VB->ProjectedClipPtr->data;
- fxVertex *v = &verts[start];
- GLfloat sscale0 = fxMesa->s0scale;
- GLfloat tscale0 = fxMesa->t0scale;
- GLfloat sscale1 = fxMesa->s1scale;
- GLfloat tscale1 = fxMesa->t1scale;
- GLubyte *clipmask = VB->ClipMask;
- GLuint i;
- const GLfloat * const s = ctx->Viewport._WindowMap.m;
-
- if (IND & SETUP_TMU0)
- tmu0_data = VB->TexCoordPtr[tmu0_source]->data;
-
- if (IND & SETUP_TMU1)
- tmu1_data = VB->TexCoordPtr[tmu1_source]->data;
-
- if (IND & SETUP_RGBA)
- color = VB->ColorPtr[0]->data;
-
- if (VB->ClipOrMask) {
- for (i = start ; i < end ; i++, v++) {
- if (!clipmask[i]) {
- if (IND & SETUP_XYZW) {
- v->v.x = s[0] * proj[i][0] + s[12];
- v->v.y = s[5] * proj[i][1] + s[13];
- v->v.ooz = s[10] * proj[i][2] + s[14];
- v->v.oow = proj[i][3];
-
- if (IND & SETUP_SNAP) {
+ 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];
+ } else {
+ /* clipped */
+ v->oow = 1.0;
+ }
+
+ if (IND & SETUP_SNAP) {
#if defined(USE_IEEE)
- const float snapper = (3L<<18);
- v->v.x += snapper;
- v->v.x -= snapper;
- v->v.y += snapper;
- v->v.y -= snapper;
+ const float snapper = (3L << 18);
+ v->x += snapper;
+ v->x -= snapper;
+ v->y += snapper;
+ v->y -= snapper;
#else
- v->v.x = ((int)(v->v.x*16.0f)) * (1.0f/16.0f);
- v->v.y = ((int)(v->v.y*16.0f)) * (1.0f/16.0f);
+ v->x = ((int) (v->x * 16.0f)) * (1.0f / 16.0f);
+ v->y = ((int) (v->y * 16.0f)) * (1.0f / 16.0f);
#endif
- }
- }
- if (IND & SETUP_RGBA) {
- UBYTE_COLOR_TO_FLOAT_255_COLOR2(v->v.r, color[i][0]);
- UBYTE_COLOR_TO_FLOAT_255_COLOR2(v->v.g, color[i][1]);
- UBYTE_COLOR_TO_FLOAT_255_COLOR2(v->v.b, color[i][2]);
- UBYTE_COLOR_TO_FLOAT_255_COLOR2(v->v.a, color[i][3]);
- }
- if (IND & SETUP_TMU0) {
- v->v.tmuvtx[0].sow = sscale0*tmu0_data[i][0]*v->v.oow;
- v->v.tmuvtx[0].tow = tscale0*tmu0_data[i][1]*v->v.oow;
- }
- if (IND & SETUP_TMU1) {
- v->v.tmuvtx[1].sow = sscale1*tmu1_data[i][0]*v->v.oow;
- v->v.tmuvtx[1].tow = tscale1*tmu1_data[i][1]*v->v.oow;
- }
}
+
+ proj = (GLfloat (*)[4])((GLubyte *)proj + proj_stride);
+ }
+ if (IND & SETUP_RGBA) {
+ 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;
+ }
+ STRIDE_4F(col, col_stride);
+ }
+ if (IND & SETUP_SPEC) {
+ 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]);
+ 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);
+ }
}
- else {
- for (i = start ; i < end ; i++, v++) {
- if (IND & SETUP_XYZW) {
- v->v.x = s[0] * proj[i][0] + s[12];
- v->v.y = s[5] * proj[i][1] + s[13];
- v->v.ooz = s[10] * proj[i][2] + s[14];
- v->v.oow = proj[i][3];
-
- if (IND & SETUP_SNAP) {
+}
+
+#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);
- v->v.x += snapper;
- v->v.x -= snapper;
- v->v.y += snapper;
- v->v.y -= snapper;
+ const float snapper = (3L << 18);
+ dst->x += snapper;
+ dst->x -= snapper;
+ dst->y += snapper;
+ dst->y -= snapper;
#else
- v->v.x = ((int)(v->v.x*16.0f)) * (1.0f/16.0f);
- v->v.y = ((int)(v->v.y*16.0f)) * (1.0f/16.0f);
+ dst->x = ((int) (dst->x * 16.0f)) * (1.0f / 16.0f);
+ dst->y = ((int) (dst->y * 16.0f)) * (1.0f / 16.0f);
#endif
- }
- }
- if (IND & SETUP_RGBA) {
- UBYTE_COLOR_TO_FLOAT_255_COLOR2(v->v.r, color[i][0]);
- UBYTE_COLOR_TO_FLOAT_255_COLOR2(v->v.g, color[i][1]);
- UBYTE_COLOR_TO_FLOAT_255_COLOR2(v->v.b, color[i][2]);
- UBYTE_COLOR_TO_FLOAT_255_COLOR2(v->v.a, color[i][3]);
- }
- if (IND & SETUP_TMU0) {
- v->v.tmuvtx[0].sow = sscale0*tmu0_data[i][0]*v->v.oow;
- v->v.tmuvtx[0].tow = tscale0*tmu0_data[i][1]*v->v.oow;
- }
- if (IND & SETUP_TMU1) {
- v->v.tmuvtx[1].sow = sscale1*tmu1_data[i][0]*v->v.oow;
- v->v.tmuvtx[1].tow = tscale1*tmu1_data[i][1]*v->v.oow;
- }
- }
}
-
- if ((IND & SETUP_XYZW) &&
- ctx->ProjectionMatrix.m[15] != 0.0F &&
- ctx->Fog.Enabled)
- {
- fx_fake_fog_w( ctx, v, VB, start, end );
- }
-
- /* Check for and enable projective texturing in each texture unit.
- */
- if (IND & (SETUP_TMU0|SETUP_TMU1)) {
- GLuint tmu0_sz = 2;
- GLuint tmu1_sz = 2;
- GLuint hs = fxMesa->stw_hint_state & ~(GR_STWHINT_W_DIFF_TMU0 |
- GR_STWHINT_W_DIFF_TMU1);
-
- if (VB->TexCoordPtr[tmu0_source])
- tmu0_sz = VB->TexCoordPtr[tmu0_source]->size;
-
- if (VB->TexCoordPtr[tmu1_source])
- tmu1_sz = VB->TexCoordPtr[tmu1_source]->size;
-
- if (tmu0_sz == 4) {
- project_texcoords( v, VB, 0, tmu0_source, start, end );
- if (tmu1_sz == 4)
- project_texcoords( v, VB, 1, tmu1_source, start, end );
- else
- copy_w( v, VB, 1, start, end );
- hs |= (GR_STWHINT_W_DIFF_TMU0|GR_STWHINT_W_DIFF_TMU1);
- }
- else if (tmu1_sz == 4) {
- project_texcoords( v, VB, 1, tmu1_source, start, end );
- hs |= GR_STWHINT_W_DIFF_TMU1;
+
+
+ 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] );
+
+ if (IND & SETUP_SPEC) {
+ 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] );
+ }
+
+ 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 (hs != fxMesa->stw_hint_state) {
- fxMesa->stw_hint_state = hs;
- FX_grHints(GR_HINT_STWHINT, hs);
+ 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 NAME
-#undef INPUTS
+#undef TAG
projects / mesa.git / blobdiff