[Mesa-dev] [PATCH 5/6] mesa: Pixman texture conversion argb to rgb

[Juha-Pekka Heikkila]

If available use Pixman fastpath for texture conversion.

Signed-off-by: Juha-Pekka Heikkila <juhapekka.heikkila at gmail.com>
---
 src/mesa/main/texstore.c | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/src/mesa/main/texstore.c b/src/mesa/main/texstore.c
index 6a55f7a..fff92eb 100644
--- a/src/mesa/main/texstore.c
+++ b/src/mesa/main/texstore.c
@@ -1491,13 +1491,21 @@ _mesa_texstore_rgb888(TEXSTORE_PARAMS)
        srcFormat == GL_RGBA &&
        srcType == GL_UNSIGNED_BYTE) {
       /* extract RGB from RGBA */
-      GLint img, row, col;
+      GLint img;
       for (img = 0; img < srcDepth; img++) {
          const GLint srcRowStride =
             _mesa_image_row_stride(srcPacking, srcWidth, srcFormat, srcType);
          GLubyte *srcRow = (GLubyte *) _mesa_image_address(dims, srcPacking,
                   srcAddr, srcWidth, srcHeight, srcFormat, srcType, img, 0, 0);
          GLubyte *dstRow = dstSlices[img];
+#ifdef HAVE_PIXMAN
+         pixman_texture_conversion(PIXMAN_a8r8g8b8, (uint32_t *)srcRow,
+                                   srcRowStride, srcWidth, srcHeight,
+                                   PIXMAN_r8g8b8, (uint32_t *)dstRow,
+                                   dstRowStride);
+#else
+         GLint row, col;
+
          for (row = 0; row < srcHeight; row++) {
             for (col = 0; col < srcWidth; col++) {
                dstRow[col * 3 + 0] = srcRow[col * 4 + BCOMP];
@@ -1507,6 +1515,7 @@ _mesa_texstore_rgb888(TEXSTORE_PARAMS)
             dstRow += dstRowStride;
             srcRow += srcRowStride;
          }
+#endif /* HAVE_PIXMAN */
       }
    }
    else if (!ctx->_ImageTransferState &&
-- 
1.8.1.2