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Diffstat (limited to 'mesalib/src/gallium/auxiliary/util/u_simple_shaders.c')
-rw-r--r--mesalib/src/gallium/auxiliary/util/u_simple_shaders.c21
1 files changed, 18 insertions, 3 deletions
diff --git a/mesalib/src/gallium/auxiliary/util/u_simple_shaders.c b/mesalib/src/gallium/auxiliary/util/u_simple_shaders.c
index c53c2d024..c93d75469 100644
--- a/mesalib/src/gallium/auxiliary/util/u_simple_shaders.c
+++ b/mesalib/src/gallium/auxiliary/util/u_simple_shaders.c
@@ -322,11 +322,12 @@ util_make_fragment_tex_shader_writestencil(struct pipe_context *pipe,
void *
util_make_fragment_passthrough_shader(struct pipe_context *pipe,
int input_semantic,
- int input_interpolate)
+ int input_interpolate,
+ boolean write_all_cbufs)
{
static const char shader_templ[] =
"FRAG\n"
- "PROPERTY FS_COLOR0_WRITES_ALL_CBUFS 1\n"
+ "%s"
"DCL IN[0], %s[0], %s\n"
"DCL OUT[0], COLOR[0]\n"
@@ -337,7 +338,9 @@ util_make_fragment_passthrough_shader(struct pipe_context *pipe,
struct tgsi_token tokens[1000];
struct pipe_shader_state state = {tokens};
- sprintf(text, shader_templ, tgsi_semantic_names[input_semantic],
+ sprintf(text, shader_templ,
+ write_all_cbufs ? "PROPERTY FS_COLOR0_WRITES_ALL_CBUFS 1\n" : "",
+ tgsi_semantic_names[input_semantic],
tgsi_interpolate_names[input_interpolate]);
if (!tgsi_text_translate(text, tokens, Elements(tokens))) {
@@ -352,6 +355,18 @@ util_make_fragment_passthrough_shader(struct pipe_context *pipe,
}
+void *
+util_make_empty_fragment_shader(struct pipe_context *pipe)
+{
+ struct ureg_program *ureg = ureg_create(TGSI_PROCESSOR_FRAGMENT);
+ if (ureg == NULL)
+ return NULL;
+
+ ureg_END(ureg);
+ return ureg_create_shader_and_destroy(ureg, pipe);
+}
+
+
/**
* Make a fragment shader that copies the input color to N output colors.
*/