/* Authors: Keith Whitwell <keith@tungstengraphics.com>
*/
-#include "imports.h"
-#include "vf/vf.h"
+#include "pipe/p_util.h"
+#include "pipe/p_shader_tokens.h"
+#include "draw_private.h"
-#include "sp_context.h"
-#include "sp_prim.h"
+/** subclass of draw_stage */
+struct flat_stage
+{
+ struct draw_stage stage;
-struct flatshade_stage {
- struct prim_stage stage;
-
- const GLuint *lookup;
+ uint num_color_attribs;
+ uint color_attribs[4]; /* front/back primary/secondary colors */
};
-
-static INLINE struct flatshade_stage *flatshade_stage( struct prim_stage *stage )
+static INLINE struct flat_stage *
+flat_stage(struct draw_stage *stage)
{
- return (struct flatshade_stage *)stage;
+ return (struct flat_stage *) stage;
}
-static void flatshade_begin( struct prim_stage *stage )
+static void flatshade_begin( struct draw_stage *stage )
{
+ struct flat_stage *flat = flat_stage(stage);
+ const struct pipe_shader_state *vs = stage->draw->vertex_shader->state;
+ uint i;
+
+ /* Find which vertex shader outputs are colors, make a list */
+ flat->num_color_attribs = 0;
+ for (i = 0; i < vs->num_outputs; i++) {
+ if (vs->output_semantic_name[i] == TGSI_SEMANTIC_COLOR ||
+ vs->output_semantic_name[i] == TGSI_SEMANTIC_BCOLOR) {
+ flat->color_attribs[flat->num_color_attribs++] = i;
+ }
+ }
+
stage->next->begin( stage->next );
}
-
-static INLINE void copy_attr( GLuint attr,
- struct vertex_header *dst,
- const struct vertex_header *src )
+/** Copy all the color attributes from 'src' vertex to 'dst' vertex */
+static INLINE void copy_colors( struct draw_stage *stage,
+ struct vertex_header *dst,
+ const struct vertex_header *src )
{
- if (attr) {
- memcpy( dst->data[attr],
- src->data[attr],
- sizeof(src->data[0]) );
+ 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]);
}
}
-static void copy_colors( struct prim_stage *stage,
- struct vertex_header *dst,
- const struct vertex_header *src )
-{
- struct flatshade_stage *flatshade = flatshade_stage(stage);
- const GLuint *lookup = flatshade->lookup;
- copy_attr( lookup[VF_ATTRIB_COLOR0], dst, src );
- copy_attr( lookup[VF_ATTRIB_COLOR1], dst, src );
- copy_attr( lookup[VF_ATTRIB_BFC0], dst, src );
- copy_attr( lookup[VF_ATTRIB_BFC1], dst, src );
+/** Copy all the color attributes from src vertex to dst0 & dst1 vertices */
+static INLINE void copy_colors2( struct draw_stage *stage,
+ struct vertex_header *dst0,
+ struct vertex_header *dst1,
+ const struct vertex_header *src )
+{
+ 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(dst0->data[attr], src->data[attr]);
+ COPY_4FV(dst1->data[attr], src->data[attr]);
+ }
}
-
-/* Flatshade tri. Required for clipping and when unfilled tris are
+/**
+ * Flatshade tri. Required for clipping and when unfilled tris are
* active, otherwise handled by hardware.
*/
-static void flatshade_tri( struct prim_stage *stage,
+static void flatshade_tri( struct draw_stage *stage,
struct prim_header *header )
{
struct prim_header tmp;
tmp.det = header->det;
+ tmp.edgeflags = header->edgeflags;
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];
- copy_colors(stage, tmp.v[0], tmp.v[2]);
- copy_colors(stage, tmp.v[1], tmp.v[2]);
+ copy_colors2(stage, tmp.v[0], tmp.v[1], tmp.v[2]);
stage->next->tri( stage->next, &tmp );
}
-/* Flatshade line. Required for clipping.
+/**
+ * Flatshade line. Required for clipping.
*/
-static void flatshade_line( struct prim_stage *stage,
+static void flatshade_line( struct draw_stage *stage,
struct prim_header *header )
{
struct prim_header tmp;
}
-static void flatshade_point( struct prim_stage *stage,
- struct prim_header *header )
+static void flatshade_point( struct draw_stage *stage,
+ struct prim_header *header )
{
stage->next->point( stage->next, header );
}
-static void flatshade_end( struct prim_stage *stage )
+
+static void flatshade_end( struct draw_stage *stage )
{
stage->next->end( stage->next );
}
-struct prim_stage *prim_flatshade( struct softpipe_context *softpipe )
+
+static void flatshade_reset_stipple_counter( struct draw_stage *stage )
+{
+ stage->next->reset_stipple_counter( stage->next );
+}
+
+
+static void flatshade_destroy( struct draw_stage *stage )
{
- struct flatshade_stage *flatshade = CALLOC_STRUCT(flatshade_stage);
+ draw_free_tmps( stage );
+ FREE( stage );
+}
- prim_alloc_tmps( &flatshade->stage, 2 );
- flatshade->stage.softpipe = softpipe;
+/**
+ * Create flatshading drawing stage.
+ */
+struct draw_stage *draw_flatshade_stage( struct draw_context *draw )
+{
+ struct flat_stage *flatshade = CALLOC_STRUCT(flat_stage);
+
+ draw_alloc_tmps( &flatshade->stage, 2 );
+
+ flatshade->stage.draw = draw;
flatshade->stage.next = NULL;
flatshade->stage.begin = flatshade_begin;
flatshade->stage.point = flatshade_point;
flatshade->stage.line = flatshade_line;
flatshade->stage.tri = flatshade_tri;
flatshade->stage.end = flatshade_end;
-
- flatshade->lookup = softpipe->vf_attr_to_slot;
+ flatshade->stage.reset_stipple_counter = flatshade_reset_stipple_counter;
+ flatshade->stage.destroy = flatshade_destroy;
return &flatshade->stage;
}
projects / mesa.git / blobdiff