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cso: Track clip state with cso context.

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This commit is contained in:
Michal Krol 2010-02-24 15:16:54 +01:00
parent 63cb6f59ea
commit 227ae7b968
2 changed files with 67 additions and 0 deletions
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54
src/gallium/auxiliary/cso_cache/cso_context.c
View file

@ -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);
}
}

13
src/gallium/auxiliary/cso_cache/cso_context.h
View file

@ -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