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authorJosé Fonseca <jfonseca@vmware.com>2010-01-08 15:42:57 +0000
committerJosé Fonseca <jfonseca@vmware.com>2010-01-08 15:42:57 +0000
commit080c40ab32b2abd6d8381b4a0cc143d36a1652b2 (patch)
treee173767ebc5a82d81b9fc086449d915e29348976 /src/gallium/drivers/i965/brw_pipe_rast.c
parent9cdf6f025b2ed55cfb13dd09f870f01d0c7947d3 (diff)
parenta1de400e8de06a80ab140bb0fa950e990607572d (diff)
Merge remote branch 'origin/master' into lp-binning
Conflicts: src/gallium/auxiliary/util/u_surface.c src/gallium/drivers/llvmpipe/Makefile src/gallium/drivers/llvmpipe/SConscript src/gallium/drivers/llvmpipe/lp_bld_arit.c src/gallium/drivers/llvmpipe/lp_bld_flow.c src/gallium/drivers/llvmpipe/lp_bld_interp.c src/gallium/drivers/llvmpipe/lp_clear.c src/gallium/drivers/llvmpipe/lp_context.c src/gallium/drivers/llvmpipe/lp_context.h src/gallium/drivers/llvmpipe/lp_draw_arrays.c src/gallium/drivers/llvmpipe/lp_jit.c src/gallium/drivers/llvmpipe/lp_jit.h src/gallium/drivers/llvmpipe/lp_prim_vbuf.c src/gallium/drivers/llvmpipe/lp_setup.c src/gallium/drivers/llvmpipe/lp_setup_point.c src/gallium/drivers/llvmpipe/lp_state.h src/gallium/drivers/llvmpipe/lp_state_blend.c src/gallium/drivers/llvmpipe/lp_state_derived.c src/gallium/drivers/llvmpipe/lp_state_fs.c src/gallium/drivers/llvmpipe/lp_state_sampler.c src/gallium/drivers/llvmpipe/lp_state_surface.c src/gallium/drivers/llvmpipe/lp_tex_cache.c src/gallium/drivers/llvmpipe/lp_tex_cache.h src/gallium/drivers/llvmpipe/lp_tex_sample.h src/gallium/drivers/llvmpipe/lp_tile_cache.c
Diffstat (limited to 'src/gallium/drivers/i965/brw_pipe_rast.c')
-rw-r--r--src/gallium/drivers/i965/brw_pipe_rast.c161
1 files changed, 161 insertions, 0 deletions
diff --git a/src/gallium/drivers/i965/brw_pipe_rast.c b/src/gallium/drivers/i965/brw_pipe_rast.c
new file mode 100644
index 0000000000..2117e91a9e
--- /dev/null
+++ b/src/gallium/drivers/i965/brw_pipe_rast.c
@@ -0,0 +1,161 @@
+
+#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"
+
+
+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_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)
+{
+ memset(key, 0, sizeof *key);
+
+ if (brw->chipset.is_igdng)
+ key->clip_mode = BRW_CLIPMODE_KERNEL_CLIP;
+ else
+ key->clip_mode = BRW_CLIPMODE_NORMAL;
+
+ key->do_flat_shading = templ->flatshade;
+
+ 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_line_stipple_rast( const struct pipe_rasterizer_state *templ,
+ struct brw_line_stipple *bls )
+{
+ 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 {
+ 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 )
+{
+}