diff options
Diffstat (limited to 'src/mesa/drivers/dri/ffb/ffb_vbtmp.h')
| -rw-r--r-- | src/mesa/drivers/dri/ffb/ffb_vbtmp.h | 177 |
1 files changed, 177 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/ffb/ffb_vbtmp.h b/src/mesa/drivers/dri/ffb/ffb_vbtmp.h new file mode 100644 index 0000000000..ac0c6f0a8b --- /dev/null +++ b/src/mesa/drivers/dri/ffb/ffb_vbtmp.h @@ -0,0 +1,177 @@ +/* $XFree86: xc/lib/GL/mesa/src/drv/ffb/ffb_vbtmp.h,v 1.1 2002/02/22 21:32:59 dawes Exp $ */ + +static void TAG(emit)(GLcontext *ctx, GLuint start, GLuint end) +{ + ffbContextPtr fmesa = FFB_CONTEXT(ctx); + struct vertex_buffer *VB = &TNL_CONTEXT(ctx)->vb; +#if (IND & (FFB_VB_RGBA_BIT)) + GLfloat (*col0)[4]; + GLuint col0_stride; +#if (IND & (FFB_VB_TWOSIDE_BIT)) + GLfloat (*col1)[4]; + GLuint col1_stride; +#endif +#endif +#if (IND & FFB_VB_XYZ_BIT) + GLfloat (*proj)[4] = VB->NdcPtr->data; + GLuint proj_stride = VB->NdcPtr->stride; + const GLubyte *mask = VB->ClipMask; +#endif + ffb_vertex *v = &fmesa->verts[start]; + int i; + +#ifdef VB_DEBUG + fprintf(stderr, "FFB: ffb_emit [" +#if (IND & (FFB_VB_XYZ_BIT)) + " XYZ" +#endif +#if (IND & (FFB_VB_RGBA_BIT)) + " RGBA" +#endif +#if (IND & (FFB_VB_TWOSIDE_BIT)) + " TWOSIDE" +#endif + "] start(%d) end(%d) import(%d)\n", + start, end, + VB->importable_data); +#endif + +#if (IND & (FFB_VB_RGBA_BIT)) + if (VB->ColorPtr[0]->Type != GL_FLOAT) + ffbImportColors(fmesa, ctx, 0); +#if (IND & (FFB_VB_TWOSIDE_BIT)) + if (VB->ColorPtr[1]->Type != GL_FLOAT) + ffbImportColors(fmesa, ctx, 1); +#endif + col0 = (GLfloat (*)[4]) VB->ColorPtr[0]->Ptr; + col0_stride = VB->ColorPtr[0]->StrideB; +#if (IND & (FFB_VB_TWOSIDE_BIT)) + col1 = (GLfloat (*)[4]) VB->ColorPtr[1]->Ptr; + col1_stride = VB->ColorPtr[1]->StrideB; +#endif +#endif + + if (VB->importable_data) { + if (start) { +#if (IND & (FFB_VB_XYZ_BIT)) + proj = (GLfloat (*)[4])((GLubyte *)proj + start * proj_stride); +#endif +#if (IND & (FFB_VB_RGBA_BIT)) + col0 = (GLfloat (*)[4])((GLubyte *)col0 + start * col0_stride); +#if (IND & (FFB_VB_TWOSIDE_BIT)) + col1 = (GLfloat (*)[4])((GLubyte *)col1 + start * col1_stride); +#endif +#endif + } + for (i = start; i < end; i++, v++) { +#if (IND & (FFB_VB_XYZ_BIT)) + if (mask[i] == 0) { + v->x = proj[0][0]; + v->y = proj[0][1]; + v->z = proj[0][2]; + } + proj = (GLfloat (*)[4])((GLubyte *)proj + proj_stride); +#endif +#if (IND & (FFB_VB_RGBA_BIT)) + v->color[0].alpha = CLAMP(col0[0][3], 0.0f, 1.0f); + v->color[0].red = CLAMP(col0[0][0], 0.0f, 1.0f); + v->color[0].green = CLAMP(col0[0][1], 0.0f, 1.0f); + v->color[0].blue = CLAMP(col0[0][2], 0.0f, 1.0f); + col0 = (GLfloat (*)[4])((GLubyte *)col0 + col0_stride); +#if (IND & (FFB_VB_TWOSIDE_BIT)) + v->color[1].alpha = CLAMP(col1[0][3], 0.0f, 1.0f); + v->color[1].red = CLAMP(col1[0][0], 0.0f, 1.0f); + v->color[1].green = CLAMP(col1[0][1], 0.0f, 1.0f); + v->color[1].blue = CLAMP(col1[0][2], 0.0f, 1.0f); + col1 = (GLfloat (*)[4])((GLubyte *)col1 + col1_stride); +#endif +#endif + } + } else { + for (i = start; i < end; i++, v++) { +#if (IND & (FFB_VB_XYZ_BIT)) + if (mask[i] == 0) { + v->x = proj[i][0]; + v->y = proj[i][1]; + v->z = proj[i][2]; + } +#endif +#if (IND & (FFB_VB_RGBA_BIT)) + v->color[0].alpha = CLAMP(col0[i][3], 0.0f, 1.0f); + v->color[0].red = CLAMP(col0[i][0], 0.0f, 1.0f); + v->color[0].green = CLAMP(col0[i][1], 0.0f, 1.0f); + v->color[0].blue = CLAMP(col0[i][2], 0.0f, 1.0f); +#if (IND & (FFB_VB_TWOSIDE_BIT)) + v->color[1].alpha = CLAMP(col1[i][3], 0.0f, 1.0f); + v->color[1].red = CLAMP(col1[i][0], 0.0f, 1.0f); + v->color[1].green = CLAMP(col1[i][1], 0.0f, 1.0f); + v->color[1].blue = CLAMP(col1[i][2], 0.0f, 1.0f); +#endif +#endif + } + } +} + +static void TAG(interp)(GLcontext *ctx, GLfloat t, + GLuint edst, GLuint eout, GLuint ein, + GLboolean force_boundary) +{ +#if (IND & (FFB_VB_XYZ_BIT | FFB_VB_RGBA_BIT)) + ffbContextPtr fmesa = FFB_CONTEXT(ctx); +#endif +#if (IND & (FFB_VB_XYZ_BIT)) + struct vertex_buffer *VB = &TNL_CONTEXT(ctx)->vb; + const GLfloat *dstclip = VB->ClipPtr->data[edst]; + GLfloat oow = 1.0 / dstclip[3]; +#endif +#if (IND & (FFB_VB_XYZ_BIT | FFB_VB_RGBA_BIT)) + ffb_vertex *dst = &fmesa->verts[edst]; +#endif +#if (IND & (FFB_VB_RGBA_BIT)) + ffb_vertex *in = &fmesa->verts[eout]; + ffb_vertex *out = &fmesa->verts[ein]; +#endif + +#ifdef VB_DEBUG + fprintf(stderr, "FFB: ffb_interp [" +#if (IND & (FFB_VB_XYZ_BIT)) + " XYZ" +#endif +#if (IND & (FFB_VB_RGBA_BIT)) + " RGBA" +#endif +#if (IND & (FFB_VB_TWOSIDE_BIT)) + " TWOSIDE" +#endif + "] edst(%d) eout(%d) ein(%d)\n", + edst, eout, ein); +#endif + +#if (IND & (FFB_VB_XYZ_BIT)) + dst->x = dstclip[0] * oow; + dst->y = dstclip[1] * oow; + dst->z = dstclip[2] * oow; +#endif + +#if (IND & (FFB_VB_RGBA_BIT)) + INTERP_F(t, dst->color[0].alpha, out->color[0].alpha, in->color[0].alpha); + INTERP_F(t, dst->color[0].red, out->color[0].red, in->color[0].red); + INTERP_F(t, dst->color[0].green, out->color[0].green, in->color[0].green); + INTERP_F(t, dst->color[0].blue, out->color[0].blue, in->color[0].blue); +#if (IND & (FFB_VB_TWOSIDE_BIT)) + INTERP_F(t, dst->color[1].alpha, out->color[1].alpha, in->color[1].alpha); + INTERP_F(t, dst->color[1].red, out->color[1].red, in->color[1].red); + INTERP_F(t, dst->color[1].green, out->color[1].green, in->color[1].green); + INTERP_F(t, dst->color[1].blue, out->color[1].blue, in->color[1].blue); +#endif +#endif +} + +static void TAG(init)(void) +{ + setup_tab[IND].emit = TAG(emit); + setup_tab[IND].interp = TAG(interp); +} + +#undef IND +#undef TAG |