Attachment 33383 Details for Bug 26623 – Proposed fix

[patch] Proposed fix

Mesa-7.5.2.diff (text/plain), 2.84 KB, created by Mathias Fröhlich on 2010-02-18 02:41:49 UTC

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Creator: Mathias Fröhlich

Created: 2010-02-18 02:41:49 UTC

Size: 2.84 KB

patch

obsolete

>Only in Mesa-7.5.2/src/mesa/swrast: at
>diff -ru Mesa-7.5.2.orig/src/mesa/swrast/s_span.c Mesa-7.5.2/src/mesa/swrast/s_span.c
>--- Mesa-7.5.2.orig/src/mesa/swrast/s_span.c	2009-09-28 20:32:08.000000000 +0200
>+++ Mesa-7.5.2/src/mesa/swrast/s_span.c	2010-02-18 06:43:21.000000000 +0100
>@@ -784,6 +784,24 @@
>           * For arrays of values, shift them left.
>           */
>          for (i = 0; i < FRAG_ATTRIB_MAX; i++) {
>+            if (span->interpMask & (1 << i)) {
>+                GLuint j;
>+                for (j = 0; j < 4; ++j) {
>+                    span->attrStart[i][j] += leftClip*span->attrStepX[i][j];
>+                }
>+            }
>+         }
>+
>+         span->red += leftClip*span->redStep;
>+         span->green += leftClip*span->greenStep;
>+         span->blue += leftClip*span->blueStep;
>+         span->alpha += leftClip*span->alphaStep;
>+         span->index += leftClip*span->indexStep;
>+         span->z += leftClip*span->zStep;
>+         span->intTex[0] += leftClip*span->intTexStep[0];
>+         span->intTex[1] += leftClip*span->intTexStep[1];
>+
>+         for (i = 0; i < FRAG_ATTRIB_MAX; i++) {
>             if (span->arrayAttribs & (1 << i)) {
>                /* shift array elements left by 'leftClip' */
>                _mesa_memcpy(span->array->attribs[i],
>@@ -792,6 +810,36 @@
>             }
>          }
> 
>+         _mesa_memcpy(span->array->mask,
>+                      span->array->mask + leftClip,
>+                      (n - leftClip) * sizeof(GLubyte));
>+         _mesa_memcpy(span->array->rgba8,
>+                      span->array->rgba8 + leftClip,
>+                      (n - leftClip) * 4 * sizeof(GLubyte));
>+         _mesa_memcpy(span->array->rgba16,
>+                      span->array->rgba16 + leftClip,
>+                      (n - leftClip) * 4 * sizeof(GLushort));
>+         _mesa_memcpy(span->array->x,
>+                      span->array->x + leftClip,
>+                      (n - leftClip) * sizeof(GLint));
>+         _mesa_memcpy(span->array->y,
>+                      span->array->y + leftClip,
>+                      (n - leftClip) * sizeof(GLint));
>+         _mesa_memcpy(span->array->z,
>+                      span->array->z + leftClip,
>+                      (n - leftClip) * sizeof(GLuint));
>+         _mesa_memcpy(span->array->index,
>+                      span->array->index + leftClip,
>+                      (n - leftClip) * sizeof(GLuint));
>+         for (i = 0; i < MAX_TEXTURE_COORD_UNITS; ++i) {
>+             _mesa_memcpy(span->array->lambda[i],
>+                          span->array->lambda[i] + leftClip,
>+                          (n - leftClip) * sizeof(GLfloat));
>+         }
>+         _mesa_memcpy(span->array->coverage,
>+                      span->array->coverage + leftClip,
>+                      (n - leftClip) * sizeof(GLfloat));
>+
>          span->leftClip = leftClip;
>          span->x = xmin;
>          span->end -= leftClip;

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Attachments on bug 26623: 33382 | 33383

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