/* Authors: Keith Whitwell <keith@tungstengraphics.com>
*/
-#include "pipe/p_util.h"
+#include "util/u_math.h"
+#include "util/u_memory.h"
+
#include "pipe/p_shader_tokens.h"
#include "draw_vs.h"
#include "draw_pipe.h"
struct draw_stage stage;
uint num_color_attribs;
- uint color_attribs[4]; /* front/back primary/secondary colors */
+ uint color_attribs[2]; /* front/back primary colors */
+
+ uint num_spec_attribs;
+ uint spec_attribs[2]; /* front/back secondary colors */
};
+#define COPY_3FV( DST, SRC ) \
+do { \
+ (DST)[0] = (SRC)[0]; \
+ (DST)[1] = (SRC)[1]; \
+ (DST)[2] = (SRC)[2]; \
+} while (0)
+
static INLINE struct flat_stage *
flat_stage(struct draw_stage *stage)
{
const struct flat_stage *flat = flat_stage(stage);
uint i;
+
for (i = 0; i < flat->num_color_attribs; i++) {
const uint attr = flat->color_attribs[i];
COPY_4FV(dst->data[attr], src->data[attr]);
}
+
+ for (i = 0; i < flat->num_spec_attribs; i++) {
+ const uint attr = flat->spec_attribs[i];
+ COPY_3FV(dst->data[attr], src->data[attr]);
+ }
}
COPY_4FV(dst0->data[attr], src->data[attr]);
COPY_4FV(dst1->data[attr], src->data[attr]);
}
+
+ for (i = 0; i < flat->num_spec_attribs; i++) {
+ const uint attr = flat->spec_attribs[i];
+ COPY_3FV(dst0->data[attr], src->data[attr]);
+ COPY_3FV(dst1->data[attr], src->data[attr]);
+ }
}
struct prim_header tmp;
tmp.det = header->det;
- tmp.edgeflags = header->edgeflags;
+ tmp.flags = header->flags;
+ tmp.pad = header->pad;
tmp.v[0] = header->v[0];
tmp.v[1] = dup_vert(stage, header->v[1], 0);
tmp.v[2] = dup_vert(stage, header->v[2], 1);
struct prim_header tmp;
tmp.det = header->det;
- tmp.edgeflags = header->edgeflags;
+ tmp.flags = header->flags;
+ tmp.pad = header->pad;
tmp.v[0] = dup_vert(stage, header->v[0], 0);
tmp.v[1] = dup_vert(stage, header->v[1], 1);
tmp.v[2] = header->v[2];
static void flatshade_init_state( struct draw_stage *stage )
{
struct flat_stage *flat = flat_stage(stage);
- const struct draw_vertex_shader *vs = stage->draw->vertex_shader;
+ const struct draw_vertex_shader *vs = stage->draw->vs.vertex_shader;
uint i;
/* Find which vertex shader outputs are colors, make a list */
flat->num_color_attribs = 0;
+ flat->num_spec_attribs = 0;
for (i = 0; i < vs->info.num_outputs; i++) {
if (vs->info.output_semantic_name[i] == TGSI_SEMANTIC_COLOR ||
vs->info.output_semantic_name[i] == TGSI_SEMANTIC_BCOLOR) {
- flat->color_attribs[flat->num_color_attribs++] = i;
+ if (vs->info.output_semantic_index[i] == 0)
+ flat->color_attribs[flat->num_color_attribs++] = i;
+ else
+ flat->spec_attribs[flat->num_spec_attribs++] = i;
}
}
struct draw_stage *draw_flatshade_stage( struct draw_context *draw )
{
struct flat_stage *flatshade = CALLOC_STRUCT(flat_stage);
-
- draw_alloc_temp_verts( &flatshade->stage, 2 );
+ if (flatshade == NULL)
+ goto fail;
flatshade->stage.draw = draw;
+ flatshade->stage.name = "flatshade";
flatshade->stage.next = NULL;
flatshade->stage.point = draw_pipe_passthrough_point;
flatshade->stage.line = flatshade_first_line;
flatshade->stage.reset_stipple_counter = flatshade_reset_stipple_counter;
flatshade->stage.destroy = flatshade_destroy;
+ if (!draw_alloc_temp_verts( &flatshade->stage, 2 ))
+ goto fail;
+
return &flatshade->stage;
+
+ fail:
+ if (flatshade)
+ flatshade->stage.destroy( &flatshade->stage );
+
+ return NULL;
}