diff options
Diffstat (limited to 'src/mesa/swrast/s_aatritemp.h')
| -rw-r--r-- | src/mesa/swrast/s_aatritemp.h | 224 |
1 files changed, 91 insertions, 133 deletions
diff --git a/src/mesa/swrast/s_aatritemp.h b/src/mesa/swrast/s_aatritemp.h index b5470a02980..bbf9cc611d8 100644 --- a/src/mesa/swrast/s_aatritemp.h +++ b/src/mesa/swrast/s_aatritemp.h @@ -1,8 +1,8 @@ /* * Mesa 3-D graphics library - * Version: 6.5 + * Version: 6.5.3 * - * Copyright (C) 1999-2005 Brian Paul All Rights Reserved. + * Copyright (C) 1999-2007 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"), @@ -36,12 +36,12 @@ * DO_RGBA - if defined, compute RGBA values * DO_INDEX - if defined, compute color index values * DO_SPEC - if defined, compute specular RGB values - * DO_TEX - if defined, compute unit 0 STRQ texcoords - * DO_MULTITEX - if defined, compute all unit's STRQ texcoords + * DO_TEXVAR - if defined, compute texcoords, varying */ /*void triangle( GLcontext *ctx, GLuint v0, GLuint v1, GLuint v2, GLuint pv )*/ { + const SWcontext *swrast = SWRAST_CONTEXT(ctx); const GLfloat *p0 = v0->win; const GLfloat *p1 = v1->win; const GLfloat *p2 = v2->win; @@ -70,20 +70,18 @@ #ifdef DO_SPEC GLfloat srPlane[4], sgPlane[4], sbPlane[4]; #endif -#ifdef DO_TEX - GLfloat sPlane[4], tPlane[4], uPlane[4], vPlane[4]; - GLfloat texWidth, texHeight; -#elif defined(DO_MULTITEX) - GLfloat sPlane[MAX_TEXTURE_COORD_UNITS][4]; /* texture S */ - GLfloat tPlane[MAX_TEXTURE_COORD_UNITS][4]; /* texture T */ - GLfloat uPlane[MAX_TEXTURE_COORD_UNITS][4]; /* texture R */ - GLfloat vPlane[MAX_TEXTURE_COORD_UNITS][4]; /* texture Q */ - GLfloat texWidth[MAX_TEXTURE_COORD_UNITS]; - GLfloat texHeight[MAX_TEXTURE_COORD_UNITS]; +#if defined(DO_TEXVAR) + GLfloat sPlane[FRAG_ATTRIB_MAX][4]; /* texture S */ + GLfloat tPlane[FRAG_ATTRIB_MAX][4]; /* texture T */ + GLfloat uPlane[FRAG_ATTRIB_MAX][4]; /* texture R */ + GLfloat vPlane[FRAG_ATTRIB_MAX][4]; /* texture Q */ + GLfloat texWidth[FRAG_ATTRIB_MAX]; + GLfloat texHeight[FRAG_ATTRIB_MAX]; #endif GLfloat bf = SWRAST_CONTEXT(ctx)->_BackfaceSign; - + (void) swrast; + INIT_SPAN(span, GL_POLYGON, 0, 0, SPAN_COVERAGE); /* determine bottom to top order of vertices */ @@ -179,65 +177,44 @@ } span.arrayMask |= SPAN_SPEC; #endif -#ifdef DO_TEX +#if defined(DO_TEXVAR) { - const struct gl_texture_object *obj = ctx->Texture.Unit[0]._Current; - const struct gl_texture_image *texImage = obj->Image[0][obj->BaseLevel]; + GLuint attr; const GLfloat invW0 = v0->win[3]; const GLfloat invW1 = v1->win[3]; const GLfloat invW2 = v2->win[3]; - const GLfloat s0 = v0->texcoord[0][0] * invW0; - const GLfloat s1 = v1->texcoord[0][0] * invW1; - const GLfloat s2 = v2->texcoord[0][0] * invW2; - const GLfloat t0 = v0->texcoord[0][1] * invW0; - const GLfloat t1 = v1->texcoord[0][1] * invW1; - const GLfloat t2 = v2->texcoord[0][1] * invW2; - const GLfloat r0 = v0->texcoord[0][2] * invW0; - const GLfloat r1 = v1->texcoord[0][2] * invW1; - const GLfloat r2 = v2->texcoord[0][2] * invW2; - const GLfloat q0 = v0->texcoord[0][3] * invW0; - const GLfloat q1 = v1->texcoord[0][3] * invW1; - const GLfloat q2 = v2->texcoord[0][3] * invW2; - compute_plane(p0, p1, p2, s0, s1, s2, sPlane); - compute_plane(p0, p1, p2, t0, t1, t2, tPlane); - compute_plane(p0, p1, p2, r0, r1, r2, uPlane); - compute_plane(p0, p1, p2, q0, q1, q2, vPlane); - texWidth = (GLfloat) texImage->Width; - texHeight = (GLfloat) texImage->Height; - } - span.arrayMask |= (SPAN_TEXTURE | SPAN_LAMBDA); -#elif defined(DO_MULTITEX) - { - GLuint u; - for (u = 0; u < ctx->Const.MaxTextureUnits; u++) { - if (ctx->Texture.Unit[u]._ReallyEnabled) { - const struct gl_texture_object *obj = ctx->Texture.Unit[u]._Current; - const struct gl_texture_image *texImage = obj->Image[0][obj->BaseLevel]; - const GLfloat invW0 = v0->win[3]; - const GLfloat invW1 = v1->win[3]; - const GLfloat invW2 = v2->win[3]; - const GLfloat s0 = v0->texcoord[u][0] * invW0; - const GLfloat s1 = v1->texcoord[u][0] * invW1; - const GLfloat s2 = v2->texcoord[u][0] * invW2; - const GLfloat t0 = v0->texcoord[u][1] * invW0; - const GLfloat t1 = v1->texcoord[u][1] * invW1; - const GLfloat t2 = v2->texcoord[u][1] * invW2; - const GLfloat r0 = v0->texcoord[u][2] * invW0; - const GLfloat r1 = v1->texcoord[u][2] * invW1; - const GLfloat r2 = v2->texcoord[u][2] * invW2; - const GLfloat q0 = v0->texcoord[u][3] * invW0; - const GLfloat q1 = v1->texcoord[u][3] * invW1; - const GLfloat q2 = v2->texcoord[u][3] * invW2; - compute_plane(p0, p1, p2, s0, s1, s2, sPlane[u]); - compute_plane(p0, p1, p2, t0, t1, t2, tPlane[u]); - compute_plane(p0, p1, p2, r0, r1, r2, uPlane[u]); - compute_plane(p0, p1, p2, q0, q1, q2, vPlane[u]); - texWidth[u] = (GLfloat) texImage->Width; - texHeight[u] = (GLfloat) texImage->Height; + for (attr = swrast->_MinFragmentAttrib; attr < swrast->_MaxFragmentAttrib; attr++) { + if (swrast->_FragmentAttribs & (1 << attr)) { + const GLfloat s0 = v0->attrib[attr][0] * invW0; + const GLfloat s1 = v1->attrib[attr][0] * invW1; + const GLfloat s2 = v2->attrib[attr][0] * invW2; + const GLfloat t0 = v0->attrib[attr][1] * invW0; + const GLfloat t1 = v1->attrib[attr][1] * invW1; + const GLfloat t2 = v2->attrib[attr][1] * invW2; + const GLfloat r0 = v0->attrib[attr][2] * invW0; + const GLfloat r1 = v1->attrib[attr][2] * invW1; + const GLfloat r2 = v2->attrib[attr][2] * invW2; + const GLfloat q0 = v0->attrib[attr][3] * invW0; + const GLfloat q1 = v1->attrib[attr][3] * invW1; + const GLfloat q2 = v2->attrib[attr][3] * invW2; + compute_plane(p0, p1, p2, s0, s1, s2, sPlane[attr]); + compute_plane(p0, p1, p2, t0, t1, t2, tPlane[attr]); + compute_plane(p0, p1, p2, r0, r1, r2, uPlane[attr]); + compute_plane(p0, p1, p2, q0, q1, q2, vPlane[attr]); + if (attr < FRAG_ATTRIB_VAR0) { + const GLuint u = attr - FRAG_ATTRIB_TEX0; + const struct gl_texture_object *obj = ctx->Texture.Unit[u]._Current; + const struct gl_texture_image *texImage = obj->Image[0][obj->BaseLevel]; + texWidth[attr] = (GLfloat) texImage->Width; + texHeight[attr] = (GLfloat) texImage->Height; + } + else { + texWidth[attr] = texHeight[attr] = 1.0; + } } } } - span.arrayMask |= (SPAN_TEXTURE | SPAN_LAMBDA); + span.arrayMask |= (SPAN_TEXTURE | SPAN_LAMBDA | SPAN_VARYING); #endif /* Begin bottom-to-top scan over the triangle. @@ -289,7 +266,7 @@ array->z[count] = (GLuint) solve_plane(cx, cy, zPlane); #endif #ifdef DO_FOG - array->fog[count] = solve_plane(cx, cy, fogPlane); + array->attribs[FRAG_ATTRIB_FOGC][count][0] = solve_plane(cx, cy, fogPlane); #endif #ifdef DO_RGBA array->rgba[count][RCOMP] = solve_plane_chan(cx, cy, rPlane); @@ -305,28 +282,21 @@ array->spec[count][GCOMP] = solve_plane_chan(cx, cy, sgPlane); array->spec[count][BCOMP] = solve_plane_chan(cx, cy, sbPlane); #endif -#ifdef DO_TEX +#if defined(DO_TEXVAR) { - const GLfloat invQ = solve_plane_recip(cx, cy, vPlane); - array->texcoords[0][count][0] = solve_plane(cx, cy, sPlane) * invQ; - array->texcoords[0][count][1] = solve_plane(cx, cy, tPlane) * invQ; - array->texcoords[0][count][2] = solve_plane(cx, cy, uPlane) * invQ; - array->lambda[0][count] = compute_lambda(sPlane, tPlane, vPlane, - cx, cy, invQ, - texWidth, texHeight); - } -#elif defined(DO_MULTITEX) - { - GLuint unit; - for (unit = 0; unit < ctx->Const.MaxTextureUnits; unit++) { - if (ctx->Texture.Unit[unit]._ReallyEnabled) { - GLfloat invQ = solve_plane_recip(cx, cy, vPlane[unit]); - array->texcoords[unit][count][0] = solve_plane(cx, cy, sPlane[unit]) * invQ; - array->texcoords[unit][count][1] = solve_plane(cx, cy, tPlane[unit]) * invQ; - array->texcoords[unit][count][2] = solve_plane(cx, cy, uPlane[unit]) * invQ; - array->lambda[unit][count] = compute_lambda(sPlane[unit], - tPlane[unit], vPlane[unit], cx, cy, invQ, - texWidth[unit], texHeight[unit]); + GLuint attr; + for (attr = swrast->_MinFragmentAttrib; attr < swrast->_MaxFragmentAttrib; attr++) { + if (swrast->_FragmentAttribs & (1 << attr)) { + GLfloat invQ = solve_plane_recip(cx, cy, vPlane[attr]); + array->attribs[attr][count][0] = solve_plane(cx, cy, sPlane[attr]) * invQ; + array->attribs[attr][count][1] = solve_plane(cx, cy, tPlane[attr]) * invQ; + array->attribs[attr][count][2] = solve_plane(cx, cy, uPlane[attr]) * invQ; + if (attr < FRAG_ATTRIB_VAR0) { + const GLuint unit = attr - FRAG_ATTRIB_TEX0; + array->lambda[unit][count] = compute_lambda(sPlane[attr], tPlane[attr], + vPlane[attr], cx, cy, invQ, + texWidth[attr], texHeight[attr]); + } } } } @@ -393,7 +363,7 @@ array->z[ix] = (GLuint) solve_plane(cx, cy, zPlane); #endif #ifdef DO_FOG - array->fog[ix] = solve_plane(cx, cy, fogPlane); + array->attribs[FRAG_ATTRIB_FOGC][ix][0] = solve_plane(cx, cy, fogPlane); #endif #ifdef DO_RGBA array->rgba[ix][RCOMP] = solve_plane_chan(cx, cy, rPlane); @@ -409,30 +379,24 @@ array->spec[ix][GCOMP] = solve_plane_chan(cx, cy, sgPlane); array->spec[ix][BCOMP] = solve_plane_chan(cx, cy, sbPlane); #endif -#ifdef DO_TEX - { - const GLfloat invQ = solve_plane_recip(cx, cy, vPlane); - array->texcoords[0][ix][0] = solve_plane(cx, cy, sPlane) * invQ; - array->texcoords[0][ix][1] = solve_plane(cx, cy, tPlane) * invQ; - array->texcoords[0][ix][2] = solve_plane(cx, cy, uPlane) * invQ; - array->lambda[0][ix] = compute_lambda(sPlane, tPlane, vPlane, - cx, cy, invQ, texWidth, texHeight); - } -#elif defined(DO_MULTITEX) +#if defined(DO_TEXVAR) { - GLuint unit; - for (unit = 0; unit < ctx->Const.MaxTextureUnits; unit++) { - if (ctx->Texture.Unit[unit]._ReallyEnabled) { - GLfloat invQ = solve_plane_recip(cx, cy, vPlane[unit]); - array->texcoords[unit][ix][0] = solve_plane(cx, cy, sPlane[unit]) * invQ; - array->texcoords[unit][ix][1] = solve_plane(cx, cy, tPlane[unit]) * invQ; - array->texcoords[unit][ix][2] = solve_plane(cx, cy, uPlane[unit]) * invQ; - array->lambda[unit][ix] = compute_lambda(sPlane[unit], - tPlane[unit], - vPlane[unit], - cx, cy, invQ, - texWidth[unit], - texHeight[unit]); + GLuint attr; + for (attr = swrast->_MinFragmentAttrib; attr < swrast->_MaxFragmentAttrib; attr++) { + if (swrast->_FragmentAttribs & (1 << attr)) { + GLfloat invQ = solve_plane_recip(cx, cy, vPlane[attr]); + array->attribs[attr][ix][0] = solve_plane(cx, cy, sPlane[attr]) * invQ; + array->attribs[attr][ix][1] = solve_plane(cx, cy, tPlane[attr]) * invQ; + array->attribs[attr][ix][2] = solve_plane(cx, cy, uPlane[attr]) * invQ; + if (attr < FRAG_ATTRIB_VAR0) { + const GLuint unit = attr - FRAG_ATTRIB_TEX0; + array->lambda[unit][ix] = compute_lambda(sPlane[attr], + tPlane[attr], + vPlane[attr], + cx, cy, invQ, + texWidth[attr], + texHeight[attr]); + } } } } @@ -468,30 +432,28 @@ array->z[j] = array->z[j + left]; #endif #ifdef DO_FOG - array->fog[j] = array->fog[j + left]; + array->attribs[FRAG_ATTRIB_FOGC][j][0] + = array->attribs[FRAG_ATTRIB_FOGC][j + left][0]; #endif -#ifdef DO_TEX - COPY_4V(array->texcoords[0][j], array->texcoords[0][j + left]); -#endif -#if defined(DO_MULTITEX) || defined(DO_TEX) +#if defined(DO_TEXVAR) array->lambda[0][j] = array->lambda[0][j + left]; #endif array->coverage[j] = array->coverage[j + left]; } } -#ifdef DO_MULTITEX - /* shift texcoords */ +#ifdef DO_TEXVAR + /* shift texcoords, varying */ { SWspanarrays *array = span.array; - GLuint unit; - for (unit = 0; unit < ctx->Const.MaxTextureUnits; unit++) { - if (ctx->Texture.Unit[unit]._ReallyEnabled) { + GLuint attr; + for (attr = swrast->_MinFragmentAttrib; attr < swrast->_MaxFragmentAttrib; attr++) { + if (swrast->_FragmentAttribs & (1 << attr)) { GLint j; for (j = 0; j < (GLint) n; j++) { - array->texcoords[unit][j][0] = array->texcoords[unit][j + left][0]; - array->texcoords[unit][j][1] = array->texcoords[unit][j + left][1]; - array->texcoords[unit][j][2] = array->texcoords[unit][j + left][2]; - array->lambda[unit][j] = array->lambda[unit][j + left]; + array->attribs[attr][j][0] = array->attribs[attr][j + left][0]; + array->attribs[attr][j][1] = array->attribs[attr][j + left][1]; + array->attribs[attr][j][2] = array->attribs[attr][j + left][2]; + /*array->lambda[unit][j] = array->lambda[unit][j + left];*/ } } } @@ -532,12 +494,8 @@ #undef DO_SPEC #endif -#ifdef DO_TEX -#undef DO_TEX -#endif - -#ifdef DO_MULTITEX -#undef DO_MULTITEX +#ifdef DO_TEXVAR +#undef DO_TEXVAR #endif #ifdef DO_OCCLUSION_TEST |