diff options
| -rw-r--r-- | src/mesa/state_tracker/st_atom_clip.c | 20 | ||||
| -rw-r--r-- | src/mesa/state_tracker/st_program.c | 4 |
2 files changed, 18 insertions, 6 deletions
diff --git a/src/mesa/state_tracker/st_atom_clip.c b/src/mesa/state_tracker/st_atom_clip.c index 1330db843a6..236d3cf409d 100644 --- a/src/mesa/state_tracker/st_atom_clip.c +++ b/src/mesa/state_tracker/st_atom_clip.c @@ -34,7 +34,7 @@ #include "st_context.h" #include "pipe/p_context.h" #include "st_atom.h" - +#include "st_program.h" #include "cso_cache/cso_context.h" @@ -45,15 +45,23 @@ static void update_clip( struct st_context *st ) struct pipe_clip_state clip; const struct gl_context *ctx = st->ctx; GLuint i; + bool use_eye = FALSE; memset(&clip, 0, sizeof(clip)); + /* if we have a vertex shader that writes clip vertex we need to pass + the pre-projection transformed coordinates into the driver. */ + if (st->vp) { + if (ctx->Shader.CurrentVertexProgram) + use_eye = TRUE; + } + for (i = 0; i < PIPE_MAX_CLIP_PLANES; i++) { if (ctx->Transform.ClipPlanesEnabled & (1 << i)) { - memcpy(clip.ucp[clip.nr], - ctx->Transform._ClipUserPlane[i], - sizeof(clip.ucp[0])); - clip.nr++; + memcpy(clip.ucp[clip.nr], + use_eye ? ctx->Transform.EyeUserPlane[i] : ctx->Transform._ClipUserPlane[i], + sizeof(clip.ucp[0])); + clip.nr++; } } @@ -69,7 +77,7 @@ static void update_clip( struct st_context *st ) const struct st_tracked_state st_update_clip = { "st_update_clip", /* name */ { /* dirty */ - (_NEW_TRANSFORM), /* mesa */ + (_NEW_TRANSFORM | _NEW_PROGRAM), /* mesa */ 0, /* st */ }, update_clip /* update */ diff --git a/src/mesa/state_tracker/st_program.c b/src/mesa/state_tracker/st_program.c index 35d0e0fc42f..8d7469dfb72 100644 --- a/src/mesa/state_tracker/st_program.c +++ b/src/mesa/state_tracker/st_program.c @@ -255,6 +255,10 @@ st_prepare_vertex_program(struct gl_context *ctx, case VERT_RESULT_EDGE: assert(0); break; + case VERT_RESULT_CLIP_VERTEX: + stvp->output_semantic_name[slot] = TGSI_SEMANTIC_CLIPVERTEX; + stvp->output_semantic_index[slot] = 0; + break; case VERT_RESULT_TEX0: case VERT_RESULT_TEX1: |