Module: Mesa Branch: master Commit: 0310aafd9ea502e07a86b355cfca902102b9117c URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=0310aafd9ea502e07a86b355cfca902102b9117c
Author: Eric Anholt <[email protected]> Date: Wed Aug 26 11:04:13 2009 -0700 i965: Add support for ARB_depth_clamp. --- src/mesa/drivers/dri/i965/brw_cc.c | 8 +++++--- src/mesa/drivers/dri/i965/brw_clip_state.c | 11 +++++++++-- src/mesa/drivers/dri/intel/intel_extensions.c | 1 + 3 files changed, 15 insertions(+), 5 deletions(-) diff --git a/src/mesa/drivers/dri/i965/brw_cc.c b/src/mesa/drivers/dri/i965/brw_cc.c index c724218..1088a7a 100644 --- a/src/mesa/drivers/dri/i965/brw_cc.c +++ b/src/mesa/drivers/dri/i965/brw_cc.c @@ -39,12 +39,14 @@ static void prepare_cc_vp( struct brw_context *brw ) { + GLcontext *ctx = &brw->intel.ctx; struct brw_cc_viewport ccv; memset(&ccv, 0, sizeof(ccv)); - ccv.min_depth = 0.0; - ccv.max_depth = 1.0; + /* _NEW_VIEWPORT */ + ccv.min_depth = ctx->Viewport.Near; + ccv.max_depth = ctx->Viewport.Far; dri_bo_unreference(brw->cc.vp_bo); brw->cc.vp_bo = brw_cache_data( &brw->cache, BRW_CC_VP, &ccv, NULL, 0 ); @@ -52,7 +54,7 @@ static void prepare_cc_vp( struct brw_context *brw ) const struct brw_tracked_state brw_cc_vp = { .dirty = { - .mesa = 0, + .mesa = _NEW_VIEWPORT, .brw = BRW_NEW_CONTEXT, .cache = 0 }, diff --git a/src/mesa/drivers/dri/i965/brw_clip_state.c b/src/mesa/drivers/dri/i965/brw_clip_state.c index 5762c95..234b374 100644 --- a/src/mesa/drivers/dri/i965/brw_clip_state.c +++ b/src/mesa/drivers/dri/i965/brw_clip_state.c @@ -43,11 +43,14 @@ struct brw_clip_unit_key { unsigned int curbe_offset; unsigned int nr_urb_entries, urb_size; + + GLboolean depth_clamp; }; static void clip_unit_populate_key(struct brw_context *brw, struct brw_clip_unit_key *key) { + GLcontext *ctx = &brw->intel.ctx; memset(key, 0, sizeof(*key)); /* CACHE_NEW_CLIP_PROG */ @@ -62,6 +65,9 @@ clip_unit_populate_key(struct brw_context *brw, struct brw_clip_unit_key *key) /* BRW_NEW_URB_FENCE */ key->nr_urb_entries = brw->urb.nr_clip_entries; key->urb_size = brw->urb.vsize; + + /* _NEW_TRANSOFORM */ + key->depth_clamp = ctx->Transform.DepthClamp; } static dri_bo * @@ -117,7 +123,8 @@ clip_unit_create_from_key(struct brw_context *brw, clip.clip5.userclip_enable_flags = 0x7f; clip.clip5.userclip_must_clip = 1; clip.clip5.guard_band_enable = 0; - clip.clip5.viewport_z_clip_enable = 1; + if (!key->depth_clamp) + clip.clip5.viewport_z_clip_enable = 1; clip.clip5.viewport_xy_clip_enable = 1; clip.clip5.vertex_position_space = BRW_CLIP_NDCSPACE; clip.clip5.api_mode = BRW_CLIP_API_OGL; @@ -168,7 +175,7 @@ static void upload_clip_unit( struct brw_context *brw ) const struct brw_tracked_state brw_clip_unit = { .dirty = { - .mesa = 0, + .mesa = _NEW_TRANSFORM, .brw = (BRW_NEW_CURBE_OFFSETS | BRW_NEW_URB_FENCE), .cache = CACHE_NEW_CLIP_PROG diff --git a/src/mesa/drivers/dri/intel/intel_extensions.c b/src/mesa/drivers/dri/intel/intel_extensions.c index 2e61c55..125ca93 100644 --- a/src/mesa/drivers/dri/intel/intel_extensions.c +++ b/src/mesa/drivers/dri/intel/intel_extensions.c @@ -139,6 +139,7 @@ static const struct dri_extension i915_extensions[] = { /** i965-only extensions */ static const struct dri_extension brw_extensions[] = { + { "GL_ARB_depth_clamp", NULL }, { "GL_ARB_depth_texture", NULL }, { "GL_ARB_fragment_program", NULL }, { "GL_ARB_fragment_program_shadow", NULL }, _______________________________________________ mesa-commit mailing list [email protected] http://lists.freedesktop.org/mailman/listinfo/mesa-commit
