-static void
-calculate_clip_key_rast()
-{
- if (BRW_IS_IGDNG(brw))
- key.clip_mode = BRW_CLIPMODE_KERNEL_CLIP;
- else
- key.clip_mode = BRW_CLIPMODE_NORMAL;
+#include "util/u_memory.h"
+#include "pipe/p_defines.h"
+#include "brw_context.h"
+#include "brw_defines.h"
+#include "brw_pipe_rast.h"
+#include "brw_wm.h"
- key.do_flat_shading = brw->rast->templ.flatshade;
- if (key.primitive == PIPE_PRIM_TRIANGLES) {
- if (brw->rast->templ.cull_mode = PIPE_WINDING_BOTH)
- key.clip_mode = BRW_CLIPMODE_REJECT_ALL;
- else {
- key.fill_ccw = CLIP_CULL;
- key.fill_cw = CLIP_CULL;
-
- if (!(brw->rast->templ.cull_mode & PIPE_WINDING_CCW)) {
- key.fill_ccw = translate_fill(brw->rast.fill_ccw);
- }
-
- if (!(brw->rast->templ.cull_mode & PIPE_WINDING_CW)) {
- key.fill_cw = translate_fill(brw->rast.fill_cw);
- }
-
- if (key.fill_cw != CLIP_FILL ||
- key.fill_ccw != CLIP_FILL) {
- key.do_unfilled = 1;
- key.clip_mode = BRW_CLIPMODE_CLIP_NON_REJECTED;
- }
-
- key.offset_ccw = brw->rast.templ.offset_ccw;
- key.offset_cw = brw->rast.templ.offset_cw;
-
- if (brw->rast.templ.light_twoside &&
- key.fill_cw != CLIP_CULL)
- key.copy_bfc_cw = 1;
-
- if (brw->rast.templ.light_twoside &&
- key.fill_ccw != CLIP_CULL)
- key.copy_bfc_ccw = 1;
- }
- }
+static unsigned translate_fill( unsigned fill )
+{
+ switch (fill) {
+ case PIPE_POLYGON_MODE_FILL:
+ return CLIP_FILL;
+ case PIPE_POLYGON_MODE_LINE:
+ return CLIP_LINE;
+ case PIPE_POLYGON_MODE_POINT:
+ return CLIP_POINT;
+ default:
+ assert(0);
+ return CLIP_FILL;
}
}
+/* Calculates the key for triangle-mode clipping. Non-triangle
+ * clipping keys use much less information and are computed on the
+ * fly.
+ */
static void
-calculate_line_stipple_rast()
+calculate_clip_key_rast( const struct brw_context *brw,
+ const struct pipe_rasterizer_state *templ,
+ const struct brw_rasterizer_state *rast,
+ struct brw_clip_prog_key *key)
{
- GLfloat tmp;
- GLint tmpi;
+ memset(key, 0, sizeof *key);
- memset(&bls, 0, sizeof(bls));
- bls.header.opcode = CMD_LINE_STIPPLE_PATTERN;
- bls.header.length = sizeof(bls)/4 - 2;
- bls.bits0.pattern = brw->curr.rast.line_stipple_pattern;
- bls.bits1.repeat_count = brw->curr.rast.line_stipple_factor + 1;
+ if (brw->chipset.is_igdng)
+ key->clip_mode = BRW_CLIPMODE_KERNEL_CLIP;
+ else
+ key->clip_mode = BRW_CLIPMODE_NORMAL;
- tmp = 1.0 / (GLfloat) bls.bits1.repeat_count;
- tmpi = tmp * (1<<13);
+ key->do_flat_shading = templ->flatshade;
- bls.bits1.inverse_repeat_count = tmpi;
+ if (templ->cull_mode == PIPE_WINDING_BOTH) {
+ key->clip_mode = BRW_CLIPMODE_REJECT_ALL;
+ return;
+ }
-}
+ key->fill_ccw = CLIP_CULL;
+ key->fill_cw = CLIP_CULL;
+ if (!(templ->cull_mode & PIPE_WINDING_CCW)) {
+ key->fill_ccw = translate_fill(templ->fill_ccw);
+ }
+
+ if (!(templ->cull_mode & PIPE_WINDING_CW)) {
+ key->fill_cw = translate_fill(templ->fill_cw);
+ }
+
+ if (key->fill_cw == CLIP_LINE ||
+ key->fill_ccw == CLIP_LINE ||
+ key->fill_cw == CLIP_POINT ||
+ key->fill_ccw == CLIP_POINT) {
+ key->do_unfilled = 1;
+ key->clip_mode = BRW_CLIPMODE_CLIP_NON_REJECTED;
+ }
+
+ key->offset_ccw = templ->offset_ccw;
+ key->offset_cw = templ->offset_cw;
+
+ if (templ->light_twoside && key->fill_cw != CLIP_CULL)
+ key->copy_bfc_cw = 1;
+
+ if (templ->light_twoside && key->fill_ccw != CLIP_CULL)
+ key->copy_bfc_ccw = 1;
+}
static void
-calculate_wm_lookup()
+calculate_line_stipple_rast( const struct pipe_rasterizer_state *templ,
+ struct brw_line_stipple *bls )
{
- if (rast->fill_cw == PIPE_POLYGON_MODE_LINE &&
- rast->fill_ccw == PIPE_POLYGON_MODE_LINE) {
- line_aa = AA_ALWAYS;
- }
- else if (rast->fill_cw == PIPE_POLYGON_MODE_LINE ||
- rast->fill_ccw == PIPE_POLYGON_MODE_LINE) {
- line_aa = AA_SOMETIMES;
+ GLfloat tmp = 1.0f / (templ->line_stipple_factor + 1);
+ GLint tmpi = tmp * (1<<13);
+
+ bls->header.opcode = CMD_LINE_STIPPLE_PATTERN;
+ bls->header.length = sizeof(*bls)/4 - 2;
+ bls->bits0.pattern = templ->line_stipple_pattern;
+ bls->bits1.repeat_count = templ->line_stipple_factor + 1;
+ bls->bits1.inverse_repeat_count = tmpi;
+}
+
+static void *brw_create_rasterizer_state( struct pipe_context *pipe,
+ const struct pipe_rasterizer_state *templ )
+{
+ struct brw_context *brw = brw_context(pipe);
+ struct brw_rasterizer_state *rast;
+
+ rast = CALLOC_STRUCT(brw_rasterizer_state);
+ if (rast == NULL)
+ return NULL;
+
+ rast->templ = *templ;
+
+ calculate_clip_key_rast( brw, templ, rast, &rast->clip_key );
+
+ if (templ->line_stipple_enable)
+ calculate_line_stipple_rast( templ, &rast->bls );
+
+ /* Caclculate lookup value for WM IZ table.
+ */
+ if (templ->line_smooth) {
+ if (templ->fill_cw == PIPE_POLYGON_MODE_LINE &&
+ templ->fill_ccw == PIPE_POLYGON_MODE_LINE) {
+ rast->unfilled_aa_line = AA_ALWAYS;
+ }
+ else if (templ->fill_cw == PIPE_POLYGON_MODE_LINE ||
+ templ->fill_ccw == PIPE_POLYGON_MODE_LINE) {
+ rast->unfilled_aa_line = AA_SOMETIMES;
+ }
+ else {
+ rast->unfilled_aa_line = AA_NEVER;
+ }
}
else {
- line_aa = AA_NEVER;
+ rast->unfilled_aa_line = AA_NEVER;
}
+
+ return (void *)rast;
+}
+
+
+static void brw_bind_rasterizer_state(struct pipe_context *pipe,
+ void *cso)
+{
+ struct brw_context *brw = brw_context(pipe);
+ brw->curr.rast = (const struct brw_rasterizer_state *)cso;
+ brw->state.dirty.mesa |= PIPE_NEW_RAST;
+}
+
+static void brw_delete_rasterizer_state(struct pipe_context *pipe,
+ void *cso)
+{
+ struct brw_context *brw = brw_context(pipe);
+ assert((const void *)cso != (const void *)brw->curr.rast);
+ FREE(cso);
+}
+
+
+
+void brw_pipe_rast_init( struct brw_context *brw )
+{
+ brw->base.create_rasterizer_state = brw_create_rasterizer_state;
+ brw->base.bind_rasterizer_state = brw_bind_rasterizer_state;
+ brw->base.delete_rasterizer_state = brw_delete_rasterizer_state;
+}
+
+void brw_pipe_rast_cleanup( struct brw_context *brw )
+{
}
projects / mesa.git / blobdiff