From 0bdf216dd06d5136b8529297297aa962bab548c2 Mon Sep 17 00:00:00 2001 From: Brian Date: Mon, 23 Apr 2007 21:21:52 -0600 Subject: Improve the code for interpolating fragment attributes a little. More to come... --- src/mesa/swrast/s_aalinetemp.h | 84 +++++++++++++++++++----------------------- 1 file changed, 38 insertions(+), 46 deletions(-) (limited to 'src/mesa/swrast/s_aalinetemp.h') diff --git a/src/mesa/swrast/s_aalinetemp.h b/src/mesa/swrast/s_aalinetemp.h index dd741630a1d..b0b73e816dd 100644 --- a/src/mesa/swrast/s_aalinetemp.h +++ b/src/mesa/swrast/s_aalinetemp.h @@ -81,31 +81,26 @@ NAME(plot)(GLcontext *ctx, struct LineInfo *line, int ix, int iy) line->span.array->spec[i][BCOMP] = solve_plane_chan(fx, fy, line->sbPlane); #endif #if defined(DO_TEXVAR) - { - GLuint attr; - for (attr = swrast->_MinFragmentAttrib; attr < swrast->_MaxFragmentAttrib; attr++) { - if (swrast->_FragmentAttribs & (1 << attr)) { - GLfloat (*attribArray)[4] = line->span.array->attribs[attr]; - GLfloat invQ; - if (ctx->FragmentProgram._Active) { - invQ = 1.0F; - } - else { - invQ = solve_plane_recip(fx, fy, line->vPlane[attr]); - } - attribArray[i][0] = solve_plane(fx, fy, line->sPlane[attr]) * invQ; - attribArray[i][1] = solve_plane(fx, fy, line->tPlane[attr]) * invQ; - attribArray[i][2] = solve_plane(fx, fy, line->uPlane[attr]) * invQ; - if (attr < FRAG_ATTRIB_VAR0) { - const GLuint unit = attr - FRAG_ATTRIB_TEX0; - line->span.array->lambda[unit][i] - = compute_lambda(line->sPlane[attr], - line->tPlane[attr], invQ, - line->texWidth[attr], line->texHeight[attr]); - } - } + ATTRIB_LOOP_BEGIN + GLfloat (*attribArray)[4] = line->span.array->attribs[attr]; + GLfloat invQ; + if (ctx->FragmentProgram._Active) { + invQ = 1.0F; } - } + else { + invQ = solve_plane_recip(fx, fy, line->vPlane[attr]); + } + attribArray[i][0] = solve_plane(fx, fy, line->sPlane[attr]) * invQ; + attribArray[i][1] = solve_plane(fx, fy, line->tPlane[attr]) * invQ; + attribArray[i][2] = solve_plane(fx, fy, line->uPlane[attr]) * invQ; + if (attr < FRAG_ATTRIB_VAR0) { + const GLuint unit = attr - FRAG_ATTRIB_TEX0; + line->span.array->lambda[unit][i] + = compute_lambda(line->sPlane[attr], + line->tPlane[attr], invQ, + line->texWidth[attr], line->texHeight[attr]); + } + ATTRIB_LOOP_END #endif if (line->span.end == MAX_WIDTH) { @@ -207,33 +202,30 @@ NAME(line)(GLcontext *ctx, const SWvertex *v0, const SWvertex *v1) #endif #if defined(DO_TEXVAR) { - GLuint attr; const GLfloat invW0 = v0->win[3]; const GLfloat invW1 = v1->win[3]; line.span.arrayMask |= (SPAN_TEXTURE | SPAN_LAMBDA | SPAN_VARYING); - 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 t0 = v0->attrib[attr][1] * invW0; - const GLfloat t1 = v1->attrib[attr][1] * invW1; - const GLfloat r0 = v0->attrib[attr][2] * invW0; - const GLfloat r1 = v1->attrib[attr][2] * invW1; - const GLfloat q0 = v0->attrib[attr][3] * invW0; - const GLfloat q1 = v1->attrib[attr][3] * invW1; - compute_plane(line.x0, line.y0, line.x1, line.y1, s0, s1, line.sPlane[attr]); - compute_plane(line.x0, line.y0, line.x1, line.y1, t0, t1, line.tPlane[attr]); - compute_plane(line.x0, line.y0, line.x1, line.y1, r0, r1, line.uPlane[attr]); - compute_plane(line.x0, line.y0, line.x1, line.y1, q0, q1, line.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]; - line.texWidth[attr] = (GLfloat) texImage->Width; + ATTRIB_LOOP_BEGIN + const GLfloat s0 = v0->attrib[attr][0] * invW0; + const GLfloat s1 = v1->attrib[attr][0] * invW1; + const GLfloat t0 = v0->attrib[attr][1] * invW0; + const GLfloat t1 = v1->attrib[attr][1] * invW1; + const GLfloat r0 = v0->attrib[attr][2] * invW0; + const GLfloat r1 = v1->attrib[attr][2] * invW1; + const GLfloat q0 = v0->attrib[attr][3] * invW0; + const GLfloat q1 = v1->attrib[attr][3] * invW1; + compute_plane(line.x0, line.y0, line.x1, line.y1, s0, s1, line.sPlane[attr]); + compute_plane(line.x0, line.y0, line.x1, line.y1, t0, t1, line.tPlane[attr]); + compute_plane(line.x0, line.y0, line.x1, line.y1, r0, r1, line.uPlane[attr]); + compute_plane(line.x0, line.y0, line.x1, line.y1, q0, q1, line.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]; + line.texWidth[attr] = (GLfloat) texImage->Width; line.texHeight[attr] = (GLfloat) texImage->Height; - } } - } + ATTRIB_LOOP_END } #endif -- cgit v1.2.3