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-rw-r--r--src/mesa/swrast/s_linetemp.h92
1 files changed, 48 insertions, 44 deletions
diff --git a/src/mesa/swrast/s_linetemp.h b/src/mesa/swrast/s_linetemp.h
index 8b3918511d1..7b66291eb5e 100644
--- a/src/mesa/swrast/s_linetemp.h
+++ b/src/mesa/swrast/s_linetemp.h
@@ -37,6 +37,7 @@
* INTERP_INDEX - if defined, interpolate color index values
* INTERP_TEX - if defined, interpolate unit 0 texcoords
* INTERP_MULTITEX - if defined, interpolate multi-texcoords
+ * INTERP_VARYING - if defined, interpolate GLSL varyings
*
* When one can directly address pixels in the color buffer the following
* macros can be defined and used to directly compute pixel addresses during
@@ -70,6 +71,7 @@
static void
NAME( GLcontext *ctx, const SWvertex *vert0, const SWvertex *vert1 )
{
+ const SWcontext *swrast = SWRAST_CONTEXT(ctx);
SWspan span;
GLuint interpFlags = 0;
GLint x0 = (GLint) vert0->win[0];
@@ -99,6 +101,8 @@ NAME( GLcontext *ctx, const SWvertex *vert0, const SWvertex *vert1 )
SETUP_CODE
#endif
+ (void) swrast;
+
/* Cull primitives with malformed coordinates.
*/
{
@@ -276,8 +280,8 @@ NAME( GLcontext *ctx, const SWvertex *vert0, const SWvertex *vert1 )
#endif
#ifdef INTERP_FOG
interpFlags |= SPAN_FOG;
- span.fog = vert0->fog;
- span.fogStep = (vert1->fog - vert0->fog) / numPixels;
+ span.attrStart[FRAG_ATTRIB_FOGC][0] = vert0->fog;
+ span.attrStepX[FRAG_ATTRIB_FOGC][0] = (vert1->fog - vert0->fog) / numPixels;
#endif
#ifdef INTERP_TEX
interpFlags |= SPAN_TEXTURE;
@@ -286,50 +290,50 @@ NAME( GLcontext *ctx, const SWvertex *vert0, const SWvertex *vert1 )
const GLfloat invw1 = vert1->win[3];
const GLfloat invLen = 1.0F / numPixels;
GLfloat ds, dt, dr, dq;
- span.tex[0][0] = invw0 * vert0->texcoord[0][0];
- span.tex[0][1] = invw0 * vert0->texcoord[0][1];
- span.tex[0][2] = invw0 * vert0->texcoord[0][2];
- span.tex[0][3] = invw0 * vert0->texcoord[0][3];
- ds = (invw1 * vert1->texcoord[0][0]) - span.tex[0][0];
- dt = (invw1 * vert1->texcoord[0][1]) - span.tex[0][1];
- dr = (invw1 * vert1->texcoord[0][2]) - span.tex[0][2];
- dq = (invw1 * vert1->texcoord[0][3]) - span.tex[0][3];
- span.texStepX[0][0] = ds * invLen;
- span.texStepX[0][1] = dt * invLen;
- span.texStepX[0][2] = dr * invLen;
- span.texStepX[0][3] = dq * invLen;
- span.texStepY[0][0] = 0.0F;
- span.texStepY[0][1] = 0.0F;
- span.texStepY[0][2] = 0.0F;
- span.texStepY[0][3] = 0.0F;
+ span.attrStart[FRAG_ATTRIB_TEX0][0] = invw0 * vert0->attrib[FRAG_ATTRIB_TEX0][0];
+ span.attrStart[FRAG_ATTRIB_TEX0][1] = invw0 * vert0->attrib[FRAG_ATTRIB_TEX0][1];
+ span.attrStart[FRAG_ATTRIB_TEX0][2] = invw0 * vert0->attrib[FRAG_ATTRIB_TEX0][2];
+ span.attrStart[FRAG_ATTRIB_TEX0][3] = invw0 * vert0->attrib[FRAG_ATTRIB_TEX0][3];
+ ds = (invw1 * vert1->attrib[FRAG_ATTRIB_TEX0][0]) - span.attrStart[FRAG_ATTRIB_TEX0][0];
+ dt = (invw1 * vert1->attrib[FRAG_ATTRIB_TEX0][1]) - span.attrStart[FRAG_ATTRIB_TEX0][1];
+ dr = (invw1 * vert1->attrib[FRAG_ATTRIB_TEX0][2]) - span.attrStart[FRAG_ATTRIB_TEX0][2];
+ dq = (invw1 * vert1->attrib[FRAG_ATTRIB_TEX0][3]) - span.attrStart[FRAG_ATTRIB_TEX0][3];
+ span.attrStepX[FRAG_ATTRIB_TEX0][0] = ds * invLen;
+ span.attrStepX[FRAG_ATTRIB_TEX0][1] = dt * invLen;
+ span.attrStepX[FRAG_ATTRIB_TEX0][2] = dr * invLen;
+ span.attrStepX[FRAG_ATTRIB_TEX0][3] = dq * invLen;
+ span.attrStepY[FRAG_ATTRIB_TEX0][0] = 0.0F;
+ span.attrStepY[FRAG_ATTRIB_TEX0][1] = 0.0F;
+ span.attrStepY[FRAG_ATTRIB_TEX0][2] = 0.0F;
+ span.attrStepY[FRAG_ATTRIB_TEX0][3] = 0.0F;
}
#endif
-#ifdef INTERP_MULTITEX
- interpFlags |= SPAN_TEXTURE;
+#if defined(INTERP_MULTITEX) || defined(INTERP_VARYING)
+ interpFlags |= (SPAN_TEXTURE | SPAN_VARYING);
{
const GLfloat invLen = 1.0F / numPixels;
- GLuint u;
- for (u = 0; u < ctx->Const.MaxTextureUnits; u++) {
- if (ctx->Texture.Unit[u]._ReallyEnabled) {
- const GLfloat invw0 = vert0->win[3];
- const GLfloat invw1 = vert1->win[3];
+ const GLfloat invw0 = vert0->win[3];
+ const GLfloat invw1 = vert1->win[3];
+ GLuint attr;
+ for (attr = swrast->_MinFragmentAttrib; attr < swrast->_MaxFragmentAttrib; attr++) {
+ if (swrast->_FragmentAttribs & (1 << attr)) {
GLfloat ds, dt, dr, dq;
- span.tex[u][0] = invw0 * vert0->texcoord[u][0];
- span.tex[u][1] = invw0 * vert0->texcoord[u][1];
- span.tex[u][2] = invw0 * vert0->texcoord[u][2];
- span.tex[u][3] = invw0 * vert0->texcoord[u][3];
- ds = (invw1 * vert1->texcoord[u][0]) - span.tex[u][0];
- dt = (invw1 * vert1->texcoord[u][1]) - span.tex[u][1];
- dr = (invw1 * vert1->texcoord[u][2]) - span.tex[u][2];
- dq = (invw1 * vert1->texcoord[u][3]) - span.tex[u][3];
- span.texStepX[u][0] = ds * invLen;
- span.texStepX[u][1] = dt * invLen;
- span.texStepX[u][2] = dr * invLen;
- span.texStepX[u][3] = dq * invLen;
- span.texStepY[u][0] = 0.0F;
- span.texStepY[u][1] = 0.0F;
- span.texStepY[u][2] = 0.0F;
- span.texStepY[u][3] = 0.0F;
+ span.attrStart[attr][0] = invw0 * vert0->attrib[attr][0];
+ span.attrStart[attr][1] = invw0 * vert0->attrib[attr][1];
+ span.attrStart[attr][2] = invw0 * vert0->attrib[attr][2];
+ span.attrStart[attr][3] = invw0 * vert0->attrib[attr][3];
+ ds = (invw1 * vert1->attrib[attr][0]) - span.attrStart[attr][0];
+ dt = (invw1 * vert1->attrib[attr][1]) - span.attrStart[attr][1];
+ dr = (invw1 * vert1->attrib[attr][2]) - span.attrStart[attr][2];
+ dq = (invw1 * vert1->attrib[attr][3]) - span.attrStart[attr][3];
+ span.attrStepX[attr][0] = ds * invLen;
+ span.attrStepX[attr][1] = dt * invLen;
+ span.attrStepX[attr][2] = dr * invLen;
+ span.attrStepX[attr][3] = dq * invLen;
+ span.attrStepY[attr][0] = 0.0F;
+ span.attrStepY[attr][1] = 0.0F;
+ span.attrStepY[attr][2] = 0.0F;
+ span.attrStepY[attr][3] = 0.0F;
}
}
}
@@ -338,9 +342,9 @@ NAME( GLcontext *ctx, const SWvertex *vert0, const SWvertex *vert1 )
INIT_SPAN(span, GL_LINE, numPixels, interpFlags, SPAN_XY);
/* Need these for fragment prog texcoord interpolation */
- span.w = 1.0F;
- span.dwdx = 0.0F;
- span.dwdy = 0.0F;
+ span.attrStart[FRAG_ATTRIB_WPOS][3] = 1.0F;
+ span.attrStepX[FRAG_ATTRIB_WPOS][3] = 0.0F;
+ span.attrStepY[FRAG_ATTRIB_WPOS][3] = 0.0F;
/*
* Draw
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-21 06:42:10 +0000