diff options
Diffstat (limited to 'src/gallium/drivers/r300/r300_vs.c')
-rw-r--r-- | src/gallium/drivers/r300/r300_vs.c | 31 |
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(); } |