From e05ab2795b7463a053562b233d75e62f4138e0d3 Mon Sep 17 00:00:00 2001 From: Alan Hourihane Date: Thu, 4 Dec 2003 13:27:05 +0000 Subject: add tdfx DRI driver --- src/mesa/drivers/dri/tdfx/tdfx_vbtmp.h | 442 +++++++++++++++++++++++++++++++++ 1 file changed, 442 insertions(+) create mode 100644 src/mesa/drivers/dri/tdfx/tdfx_vbtmp.h (limited to 'src/mesa/drivers/dri/tdfx/tdfx_vbtmp.h') diff --git a/src/mesa/drivers/dri/tdfx/tdfx_vbtmp.h b/src/mesa/drivers/dri/tdfx/tdfx_vbtmp.h new file mode 100644 index 0000000000..9925a10eab --- /dev/null +++ b/src/mesa/drivers/dri/tdfx/tdfx_vbtmp.h @@ -0,0 +1,442 @@ + +#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 ) +{ + tdfxContextPtr fxMesa = TDFX_CONTEXT(ctx); + struct vertex_buffer *VB = &TNL_CONTEXT(ctx)->vb; + GLfloat (*tc0)[4], (*tc1)[4]; + GLubyte (*col)[4]; + GLuint tc0_stride, tc1_stride, col_stride; + GLuint tc0_size, tc1_size; + GLfloat (*proj)[4] = VB->NdcPtr->data; + GLuint proj_stride = VB->NdcPtr->stride; + tdfxVertex *v = (tdfxVertex *)dest; + GLfloat u0scale,v0scale,u1scale,v1scale; + const GLubyte *mask = VB->ClipMask; + const GLfloat *s = fxMesa->hw_viewport; + 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; + u0scale = fxMesa->sScale0; + v0scale = fxMesa->tScale0; + if (IND & TDFX_PTEX_BIT) + tc0_size = VB->TexCoordPtr[0]->size; + } + + if (IND & TDFX_TEX1_BIT) { + tc1 = VB->TexCoordPtr[1]->data; + tc1_stride = VB->TexCoordPtr[1]->stride; + u1scale = fxMesa->sScale1; + v1scale = fxMesa->tScale1; + if (IND & TDFX_PTEX_BIT) + tc1_size = VB->TexCoordPtr[1]->size; + } + + if (IND & TDFX_RGBA_BIT) { + if (VB->ColorPtr[0]->Type != GL_UNSIGNED_BYTE) + import_float_colors( ctx ); + col = VB->ColorPtr[0]->Ptr; + col_stride = VB->ColorPtr[0]->StrideB; + } + + if (VB->importable_data) { + /* May have nonstandard strides: + */ + if (start) { + proj = (GLfloat (*)[4])((GLubyte *)proj + start * proj_stride); + if (IND & TDFX_TEX0_BIT) + tc0 = (GLfloat (*)[4])((GLubyte *)tc0 + start * tc0_stride); + if (IND & TDFX_TEX1_BIT) + tc1 = (GLfloat (*)[4])((GLubyte *)tc1 + start * tc1_stride); + if (IND & TDFX_RGBA_BIT) + STRIDE_4UB(col, start * col_stride); + } + + for (i=start; i < end; i++, v = (tdfxVertex *)((GLubyte *)v + stride)) { + 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]; + } else { + /* clipped */ + v->v.rhw = 1.0; + } + proj = (GLfloat (*)[4])((GLubyte *)proj + proj_stride); + } + if (IND & TDFX_RGBA_BIT) { +#if 0 + *(GLuint *)&v->v.color = *(GLuint *)col; +#else + GLubyte *b = (GLubyte *) &v->v.color; + b[0] = col[0][2]; + b[1] = col[0][1]; + b[2] = col[0][0]; + b[3] = col[0][3]; + +#endif + STRIDE_4UB(col, col_stride); + } + if (IND & TDFX_TEX0_BIT) { + GLfloat w = v->v.rhw; + 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; + 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; + } + tc0 = (GLfloat (*)[4])((GLubyte *)tc0 + tc0_stride); + } + if (IND & TDFX_TEX1_BIT) { + GLfloat w = v->v.rhw; + 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; + 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; + } + tc1 = (GLfloat (*)[4])((GLubyte *)tc1 + tc1_stride); + } + } + } + else { + for (i=start; i < end; i++, v = (tdfxVertex *)((GLubyte *)v + stride)) { + if (IND & TDFX_XYZ_BIT) { + if (mask[i] == 0) { + v->v.x = s[0] * proj[i][0] + s[12]; + v->v.y = s[5] * proj[i][1] + s[13]; + v->v.z = s[10] * proj[i][2] + s[14]; + v->v.rhw = proj[i][3]; + } else { + v->v.rhw = 1.0; + } + } + if (IND & TDFX_RGBA_BIT) { +#if 0 + *(GLuint *)&v->v.color = *(GLuint *)&col[i]; +#else + GLubyte *b = (GLubyte *) &v->v.color; + b[0] = col[i][2]; + b[1] = col[i][1]; + b[2] = col[i][0]; + b[3] = col[i][3]; + +#endif + } + if (IND & TDFX_TEX0_BIT) { + GLfloat w = v->v.rhw; + if (IND & TDFX_PTEX_BIT) { + v->pv.tu0 = tc0[i][0] * u0scale * w; + v->pv.tv0 = tc0[i][1] * v0scale * w; + v->pv.tq0 = w; + if (tc0_size == 4) + v->pv.tq0 = tc0[i][3] * w; + } + else { + v->v.tu0 = tc0[i][0] * u0scale * w; + v->v.tv0 = tc0[i][1] * v0scale * w; + } + } + if (IND & TDFX_TEX1_BIT) { + GLfloat w = v->v.rhw; + if (IND & TDFX_PTEX_BIT) { + v->pv.tu1 = tc1[i][0] * u1scale * w; + v->pv.tv1 = tc1[i][1] * v1scale * w; + v->pv.tq1 = w; + if (tc1_size == 4) + v->pv.tq1 = tc1[i][3] * w; + } + else { + v->v.tu1 = tc1[i][0] * u1scale * w; + v->v.tv1 = tc1[i][1] * v1scale * w; + } + } + } + } +} +#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; + GLubyte (*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); + + if (VB->ColorPtr[0]->Type != GL_UNSIGNED_BYTE) + import_float_colors( ctx ); + + col = (GLubyte (*)[4])VB->ColorPtr[0]->Ptr; + col_stride = VB->ColorPtr[0]->StrideB; + 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 (VB->importable_data) { + if (start) { + proj = (GLfloat (*)[4])((GLubyte *)proj + start * proj_stride); + STRIDE_4UB(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]; + b[0] = col[0][2]; + b[1] = col[0][1]; + b[2] = col[0][0]; + b[3] = col[0][3]; + STRIDE_4UB(col, col_stride); + } + } + } + else { + for (i=start; i < end; i++, v+=4) { + if (mask[i] == 0) { + v[0] = s[0] * proj[i][0] + s[12]; + v[1] = s[5] * proj[i][1] + s[13]; + v[2] = s[10] * proj[i][2] + s[14]; + } + { + GLubyte *b = (GLubyte *)&v[3]; + b[0] = col[i][2]; + b[1] = col[i][1]; + b[2] = col[i][0]; + b[3] = col[i][3]; + } + } + } +} +#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; + GLubyte (*col)[4]; + GLuint col_stride; + GLfloat *v = (GLfloat *)dest; + int i; + + if (VB->ColorPtr[0]->Type != GL_UNSIGNED_BYTE) + import_float_colors( ctx ); + + col = VB->ColorPtr[0]->Ptr; + col_stride = VB->ColorPtr[0]->StrideB; + + if (start) + STRIDE_4UB(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; + b[0] = col[0][2]; + b[1] = col[0][1]; + b[2] = col[0][0]; + b[3] = col[0][3]; + STRIDE_4UB( col, col_stride ); + } +} +#endif +#endif + +#if (IND & TDFX_XYZ_BIT) && (IND & TDFX_RGBA_BIT) + +static GLboolean TAG(check_tex_sizes)( GLcontext *ctx ) +{ +/* fprintf(stderr, "%s\n", __FUNCTION__); */ + + if (IND & TDFX_PTEX_BIT) + return GL_TRUE; + + if (IND & TDFX_TEX0_BIT) { + 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->TexCoordPtr[1]->size == 4) + return GL_FALSE; + } + + if (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 ) +{ + 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] ); + + 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; + } + } + } 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] ); + } +} +#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; + + + 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; + } + 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; + } 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 +} + + +#undef IND +#undef TAG -- cgit v1.2.3