[Mesa-dev] [PATCH] mesa/main: handle double uniform matrices properly

Samuel Iglesias Gonsálvez siglesias at igalia.com
Mon Apr 25 07:08:38 UTC 2016


From: "Juan A. Suarez Romero" <jasuarez at igalia.com>

When computing the offset in the uniform storage table, take into account
the size multiplier so double precision matrices are handled correctly.

Signed-off-by: Juan A. Suarez Romero <jasuarez at igalia.com>
---
 src/mesa/main/uniform_query.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/mesa/main/uniform_query.cpp b/src/mesa/main/uniform_query.cpp
index ab5c3cd..997b0cb 100644
--- a/src/mesa/main/uniform_query.cpp
+++ b/src/mesa/main/uniform_query.cpp
@@ -993,7 +993,7 @@ _mesa_uniform_matrix(struct gl_context *ctx, struct gl_shader_program *shProg,
    elements = components * vectors;
 
    if (!transpose) {
-      memcpy(&uni->storage[elements * offset], values,
+      memcpy(&uni->storage[size_mul * elements * offset], values,
 	     sizeof(uni->storage[0]) * elements * count * size_mul);
    } else if (basicType == GLSL_TYPE_FLOAT) {
       /* Copy and transpose the matrix.
-- 
2.5.0



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