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authorMichal Krol <michal@vmware.com>2010-02-24 15:16:54 +0100
committerMichal Krol <michal@vmware.com>2010-02-24 15:16:54 +0100
commit227ae7b968c1351921babdbf6f052239766ffce4 (patch)
tree7aab3f1c434f68a8ed8d25daa96bcc13acdfc39f /src
parent63cb6f59eac91ba34cf80ff3736568e40b094fe1 (diff)
cso: Track clip state with cso context.
Diffstat (limited to 'src')
-rw-r--r--src/gallium/auxiliary/cso_cache/cso_context.c54
-rw-r--r--src/gallium/auxiliary/cso_cache/cso_context.h13
2 files changed, 67 insertions, 0 deletions
diff --git a/src/gallium/auxiliary/cso_cache/cso_context.c b/src/gallium/auxiliary/cso_cache/cso_context.c
index b5241fa64c..a7335c340c 100644
--- a/src/gallium/auxiliary/cso_cache/cso_context.c
+++ b/src/gallium/auxiliary/cso_cache/cso_context.c
@@ -90,6 +90,9 @@ struct cso_context {
void *fragment_shader, *fragment_shader_saved, *geometry_shader;
void *vertex_shader, *vertex_shader_saved, *geometry_shader_saved;
+ struct pipe_clip_state clip;
+ struct pipe_clip_state clip_saved;
+
struct pipe_framebuffer_state fb, fb_saved;
struct pipe_viewport_state vp, vp_saved;
struct pipe_blend_color blend_color;
@@ -1126,3 +1129,54 @@ void cso_restore_geometry_shader(struct cso_context *ctx)
}
ctx->geometry_shader_saved = NULL;
}
+
+
+/* clip state */
+
+static INLINE void
+clip_state_cpy(struct pipe_clip_state *dst,
+ const struct pipe_clip_state *src)
+{
+ dst->nr = src->nr;
+ if (src->nr) {
+ memcpy(dst->ucp, src->ucp, src->nr * sizeof(src->ucp[0]));
+ }
+}
+
+static INLINE int
+clip_state_cmp(const struct pipe_clip_state *a,
+ const struct pipe_clip_state *b)
+{
+ if (a->nr != b->nr) {
+ return 1;
+ }
+ if (a->nr) {
+ return memcmp(a->ucp, b->ucp, a->nr * sizeof(a->ucp[0]));
+ }
+ return 0;
+}
+
+void
+cso_set_clip(struct cso_context *ctx,
+ const struct pipe_clip_state *clip)
+{
+ if (clip_state_cmp(&ctx->clip, clip)) {
+ clip_state_cpy(&ctx->clip, clip);
+ ctx->pipe->set_clip_state(ctx->pipe, clip);
+ }
+}
+
+void
+cso_save_clip(struct cso_context *ctx)
+{
+ clip_state_cpy(&ctx->clip_saved, &ctx->clip);
+}
+
+void
+cso_restore_clip(struct cso_context *ctx)
+{
+ if (clip_state_cmp(&ctx->clip, &ctx->clip_saved)) {
+ clip_state_cpy(&ctx->clip, &ctx->clip_saved);
+ ctx->pipe->set_clip_state(ctx->pipe, &ctx->clip_saved);
+ }
+}
diff --git a/src/gallium/auxiliary/cso_cache/cso_context.h b/src/gallium/auxiliary/cso_cache/cso_context.h
index 707b3c2cee..251a9a644f 100644
--- a/src/gallium/auxiliary/cso_cache/cso_context.h
+++ b/src/gallium/auxiliary/cso_cache/cso_context.h
@@ -180,6 +180,19 @@ void cso_save_stencil_ref(struct cso_context *cso);
void cso_restore_stencil_ref(struct cso_context *cso);
+/* clip state */
+
+void
+cso_set_clip(struct cso_context *cso,
+ const struct pipe_clip_state *clip);
+
+void
+cso_save_clip(struct cso_context *cso);
+
+void
+cso_restore_clip(struct cso_context *cso);
+
+
#ifdef __cplusplus
}
#endif