X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=src%2Fmesa%2Fswrast%2Fs_masking.c;h=8941375a99922ae38c9d5fe399856151660a82f3;hb=6a819cabe8d8f445ccb44dcb172e0922dbe016db;hp=69c2feb6da899e713bcca55405375e2ae6328b22;hpb=43867acb6afc7fad26cdc2f22b2a3bb6eeefb2da;p=mesa.git

diff --git a/src/mesa/swrast/s_masking.c b/src/mesa/swrast/s_masking.c
index 69c2feb6da8..8941375a999 100644
--- a/src/mesa/swrast/s_masking.c
+++ b/src/mesa/swrast/s_masking.c
@@ -1,6 +1,5 @@
 /*
  * Mesa 3-D graphics library
- * Version:  6.5.2
  *
  * Copyright (C) 1999-2006  Brian Paul   All Rights Reserved.
  *
@@ -17,9 +16,10 @@
  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
- * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
- * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
  */
 
 
@@ -40,15 +40,14 @@
  * Apply the color mask to a span of rgba values.
  */
 void
-_swrast_mask_rgba_span(GLcontext *ctx, struct gl_renderbuffer *rb,
+_swrast_mask_rgba_span(struct gl_context *ctx, struct gl_renderbuffer *rb,
                        SWspan *span, GLuint buf)
 {
    const GLuint n = span->end;
    void *rbPixels;
 
-   ASSERT(n < MAX_WIDTH);
-   ASSERT(span->arrayMask & SPAN_RGBA);
-   ASSERT(rb->DataType == span->array->ChanType);
+   assert(n < SWRAST_MAX_WIDTH);
+   assert(span->arrayMask & SPAN_RGBA);
 
    rbPixels = _swrast_get_dest_rgba(ctx, rb, span);
 
@@ -57,8 +56,14 @@ _swrast_mask_rgba_span(GLcontext *ctx, struct gl_renderbuffer *rb,
     * Note that we're not using span->array->mask[] here.  We could...
     */
    if (span->array->ChanType == GL_UNSIGNED_BYTE) {
-      /* treat 4xGLubyte as 1xGLuint */
-      const GLuint srcMask = *((GLuint *) ctx->Color.ColorMask[buf]);
+      const GLubyte colormask[4] = {
+         GET_COLORMASK_BIT(ctx->Color.ColorMask, buf, 0) ? 0xff : 0,
+         GET_COLORMASK_BIT(ctx->Color.ColorMask, buf, 1) ? 0xff : 0,
+         GET_COLORMASK_BIT(ctx->Color.ColorMask, buf, 2) ? 0xff : 0,
+         GET_COLORMASK_BIT(ctx->Color.ColorMask, buf, 3) ? 0xff : 0,
+      };
+      GLuint srcMask;
+      memcpy(&srcMask, colormask, sizeof(srcMask));
       const GLuint dstMask = ~srcMask;
       const GLuint *dst = (const GLuint *) rbPixels;
       GLuint *src = (GLuint *) span->array->rgba8;
@@ -70,10 +75,10 @@ _swrast_mask_rgba_span(GLcontext *ctx, struct gl_renderbuffer *rb,
    else if (span->array->ChanType == GL_UNSIGNED_SHORT) {
       /* 2-byte components */
       /* XXX try to use 64-bit arithmetic someday */
-      const GLushort rMask = ctx->Color.ColorMask[buf][RCOMP] ? 0xffff : 0x0;
-      const GLushort gMask = ctx->Color.ColorMask[buf][GCOMP] ? 0xffff : 0x0;
-      const GLushort bMask = ctx->Color.ColorMask[buf][BCOMP] ? 0xffff : 0x0;
-      const GLushort aMask = ctx->Color.ColorMask[buf][ACOMP] ? 0xffff : 0x0;
+      const GLushort rMask = GET_COLORMASK_BIT(ctx->Color.ColorMask, buf, 0) ? 0xffff : 0x0;
+      const GLushort gMask = GET_COLORMASK_BIT(ctx->Color.ColorMask, buf, 1) ? 0xffff : 0x0;
+      const GLushort bMask = GET_COLORMASK_BIT(ctx->Color.ColorMask, buf, 2) ? 0xffff : 0x0;
+      const GLushort aMask = GET_COLORMASK_BIT(ctx->Color.ColorMask, buf, 3) ? 0xffff : 0x0;
       const GLushort (*dst)[4] = (const GLushort (*)[4]) rbPixels;
       GLushort (*src)[4] = span->array->rgba16;
       GLuint i;
@@ -86,12 +91,12 @@ _swrast_mask_rgba_span(GLcontext *ctx, struct gl_renderbuffer *rb,
    }
    else {
       /* 4-byte components */
-      const GLuint rMask = ctx->Color.ColorMask[buf][RCOMP] ? ~0x0 : 0x0;
-      const GLuint gMask = ctx->Color.ColorMask[buf][GCOMP] ? ~0x0 : 0x0;
-      const GLuint bMask = ctx->Color.ColorMask[buf][BCOMP] ? ~0x0 : 0x0;
-      const GLuint aMask = ctx->Color.ColorMask[buf][ACOMP] ? ~0x0 : 0x0;
+      const GLuint rMask = GET_COLORMASK_BIT(ctx->Color.ColorMask, buf, 0) ? ~0x0 : 0x0;
+      const GLuint gMask = GET_COLORMASK_BIT(ctx->Color.ColorMask, buf, 1) ? ~0x0 : 0x0;
+      const GLuint bMask = GET_COLORMASK_BIT(ctx->Color.ColorMask, buf, 2) ? ~0x0 : 0x0;
+      const GLuint aMask = GET_COLORMASK_BIT(ctx->Color.ColorMask, buf, 3) ? ~0x0 : 0x0;
       const GLuint (*dst)[4] = (const GLuint (*)[4]) rbPixels;
-      GLuint (*src)[4] = (GLuint (*)[4]) span->array->attribs[FRAG_ATTRIB_COL0];
+      GLuint (*src)[4] = (GLuint (*)[4]) span->array->attribs[VARYING_SLOT_COL0];
       GLuint i;
       for (i = 0; i < n; i++) {
          src[i][RCOMP] = (src[i][RCOMP] & rMask) | (dst[i][RCOMP] & ~rMask);
@@ -101,34 +106,3 @@ _swrast_mask_rgba_span(GLcontext *ctx, struct gl_renderbuffer *rb,
       }
    }
 }
-
-
-/**
- * Apply the index mask to a span of color index values.
- */
-void
-_swrast_mask_ci_span(GLcontext *ctx, struct gl_renderbuffer *rb,
-                     SWspan *span)
-{
-   const GLuint srcMask = ctx->Color.IndexMask;
-   const GLuint dstMask = ~srcMask;
-   GLuint *index = span->array->index;
-   GLuint dest[MAX_WIDTH];
-   GLuint i;
-
-   ASSERT(span->arrayMask & SPAN_INDEX);
-   ASSERT(span->end <= MAX_WIDTH);
-   ASSERT(rb->DataType == GL_UNSIGNED_INT);
-
-   if (span->arrayMask & SPAN_XY) {
-      _swrast_get_values(ctx, rb, span->end, span->array->x, span->array->y,
-                         dest, sizeof(GLuint));
-   }
-   else {
-      _swrast_read_index_span(ctx, rb, span->end, span->x, span->y, dest);
-   }
-
-   for (i = 0; i < span->end; i++) {
-      index[i] = (index[i] & srcMask) | (dest[i] & dstMask);
-   }
-}