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path: root/src/gallium/drivers/r300/r300_vs.c
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Diffstat (limited to 'src/gallium/drivers/r300/r300_vs.c')
-rw-r--r--src/gallium/drivers/r300/r300_vs.c31
1 files changed, 13 insertions, 18 deletions
diff --git a/src/gallium/drivers/r300/r300_vs.c b/src/gallium/drivers/r300/r300_vs.c
index 31248346bc6..fa207c939ca 100644
--- a/src/gallium/drivers/r300/r300_vs.c
+++ b/src/gallium/drivers/r300/r300_vs.c
@@ -143,35 +143,33 @@ static void r300_shader_vap_output_fmt(
assert(gen_count <= 8);
}
-/* Set VS output stream locations for SWTCL. */
-static void r300_stream_locations_swtcl(
+/* Sets up stream mapping to equivalent VS outputs if TCL is bypassed
+ * or isn't present. */
+static void r300_stream_locations_notcl(
struct r300_shader_semantics* vs_outputs,
- int* output_stream_loc)
+ int* stream_loc)
{
int i, tabi = 0, gen_count;
- /* XXX Check whether the numbers (0, 1, 2+i, etc.) are correct.
- * These should go to VAP_PROG_STREAM_CNTL/DST_VEC_LOC. */
-
/* Position. */
- output_stream_loc[tabi++] = 0;
+ stream_loc[tabi++] = 0;
/* Point size. */
if (vs_outputs->psize != ATTR_UNUSED) {
- output_stream_loc[tabi++] = 1;
+ stream_loc[tabi++] = 1;
}
/* Colors. */
for (i = 0; i < ATTR_COLOR_COUNT; i++) {
if (vs_outputs->color[i] != ATTR_UNUSED) {
- output_stream_loc[tabi++] = 2 + i;
+ stream_loc[tabi++] = 2 + i;
}
}
/* Back-face colors. */
for (i = 0; i < ATTR_COLOR_COUNT; i++) {
if (vs_outputs->bcolor[i] != ATTR_UNUSED) {
- output_stream_loc[tabi++] = 4 + i;
+ stream_loc[tabi++] = 4 + i;
}
}
@@ -180,7 +178,7 @@ static void r300_stream_locations_swtcl(
for (i = 0; i < ATTR_GENERIC_COUNT; i++) {
if (vs_outputs->bcolor[i] != ATTR_UNUSED) {
assert(tabi < 16);
- output_stream_loc[tabi++] = 6 + gen_count;
+ stream_loc[tabi++] = 6 + gen_count;
gen_count++;
}
}
@@ -188,7 +186,7 @@ static void r300_stream_locations_swtcl(
/* Fog coordinates. */
if (vs_outputs->fog != ATTR_UNUSED) {
assert(tabi < 16);
- output_stream_loc[tabi++] = 6 + gen_count;
+ stream_loc[tabi++] = 6 + gen_count;
gen_count++;
}
@@ -196,7 +194,7 @@ static void r300_stream_locations_swtcl(
assert(gen_count <= 8);
for (; tabi < 16;) {
- output_stream_loc[tabi++] = -1;
+ stream_loc[tabi++] = -1;
}
}
@@ -254,10 +252,7 @@ void r300_translate_vertex_shader(struct r300_context* r300,
/* Initialize. */
r300_shader_read_vs_outputs(&vs->info, &vs->outputs);
r300_shader_vap_output_fmt(&vs->outputs, vs->hwfmt);
-
- if (!r300_screen(r300->context.screen)->caps->has_tcl) {
- r300_stream_locations_swtcl(&vs->outputs, vs->output_stream_loc_swtcl);
- }
+ r300_stream_locations_notcl(&vs->outputs, vs->stream_loc_notcl);
/* Setup the compiler */
rc_init(&compiler.Base);
@@ -283,7 +278,7 @@ void r300_translate_vertex_shader(struct r300_context* r300,
/* Invoke the compiler */
r3xx_compile_vertex_program(&compiler);
if (compiler.Base.Error) {
- /* XXX Fail gracefully */
+ /* XXX We should fallback using Draw. */
fprintf(stderr, "r300 VP: Compiler error\n");
abort();
}