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-rw-r--r--src/mesa/main/teximage.c15
1 files changed, 15 insertions, 0 deletions
diff --git a/src/mesa/main/teximage.c b/src/mesa/main/teximage.c
index 0bc8fea32ea..e30c000bcee 100644
--- a/src/mesa/main/teximage.c
+++ b/src/mesa/main/teximage.c
@@ -2740,6 +2740,8 @@ copytexture_error_check( struct gl_context *ctx, GLuint dimensions,
if (_mesa_is_color_format(internalFormat)) {
bool is_int = _mesa_is_enum_format_integer(internalFormat);
bool is_rbint = _mesa_is_enum_format_integer(rb_internal_format);
+ bool is_unorm = _mesa_is_enum_format_unorm(internalFormat);
+ bool is_rbunorm = _mesa_is_enum_format_unorm(rb_internal_format);
if (is_int || is_rbint) {
if (is_int != is_rbint) {
_mesa_error(ctx, GL_INVALID_OPERATION,
@@ -2753,6 +2755,19 @@ copytexture_error_check( struct gl_context *ctx, GLuint dimensions,
return GL_TRUE;
}
}
+
+ /* From page 138 of OpenGL ES 3.0 spec:
+ * "The error INVALID_OPERATION is generated if floating-point RGBA
+ * data is required; if signed integer RGBA data is required and the
+ * format of the current color buffer is not signed integer; if
+ * unsigned integer RGBA data is required and the format of the
+ * current color buffer is not unsigned integer; or if fixed-point
+ * RGBA data is required and the format of the current color buffer
+ * is not fixed-point.
+ */
+ if (_mesa_is_gles(ctx) && is_unorm != is_rbunorm)
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glCopyTexImage%dD(unorm vs non-unorm)", dimensions);
}
if (_mesa_is_compressed_format(ctx, internalFormat)) {