diff options
Diffstat (limited to 'src/gallium/auxiliary/draw/draw_vs_llvm.c')
-rw-r--r-- | src/gallium/auxiliary/draw/draw_vs_llvm.c | 48 |
1 files changed, 13 insertions, 35 deletions
diff --git a/src/gallium/auxiliary/draw/draw_vs_llvm.c b/src/gallium/auxiliary/draw/draw_vs_llvm.c index c8268317ef..73076d2467 100644 --- a/src/gallium/auxiliary/draw/draw_vs_llvm.c +++ b/src/gallium/auxiliary/draw/draw_vs_llvm.c @@ -50,33 +50,6 @@ struct draw_llvm_vertex_shader { }; -static INLINE unsigned -compute_clipmask(const float *clip, /*const*/ float plane[][4], unsigned nr) -{ - unsigned mask = 0; - unsigned i; - - /* Do the hardwired planes first: - */ - if (-clip[0] + clip[3] < 0) mask |= CLIP_RIGHT_BIT; - if ( clip[0] + clip[3] < 0) mask |= CLIP_LEFT_BIT; - if (-clip[1] + clip[3] < 0) mask |= CLIP_TOP_BIT; - if ( clip[1] + clip[3] < 0) mask |= CLIP_BOTTOM_BIT; - if (-clip[2] + clip[3] < 0) mask |= CLIP_FAR_BIT; - if ( clip[2] + clip[3] < 0) mask |= CLIP_NEAR_BIT; - - /* Followed by any remaining ones: - */ - for (i = 6; i < nr; i++) { - if (dot4(clip, plane[i]) < 0) - mask |= (1<<i); - } - - return mask; -} - - - static void vs_llvm_prepare( struct draw_vertex_shader *base, struct draw_context *draw ) @@ -94,18 +67,19 @@ vs_llvm_prepare( struct draw_vertex_shader *base, * \param count number of vertices to shade [1..4] * \param vOut array of pointers to four output vertices */ -static void +static boolean vs_llvm_run( struct draw_vertex_shader *base, - struct draw_context *draw, - const unsigned *elts, + struct draw_context *draw, + const unsigned *elts, unsigned count, - struct vertex_header *vOut[] ) + void *vOut ) { - struct draw_llvm_vertex_shader *shader = + struct draw_llvm_vertex_shader *shader = (struct draw_llvm_vertex_shader *)base; struct tgsi_exec_machine *machine = &draw->machine; unsigned int j; + unsigned int clipped = 0; ALIGN16_DECL(struct tgsi_exec_vector, inputs, PIPE_MAX_ATTRIBS); ALIGN16_DECL(struct tgsi_exec_vector, outputs, PIPE_MAX_ATTRIBS); @@ -152,19 +126,22 @@ vs_llvm_run( struct draw_vertex_shader *base, w = vOut[j]->clip[3] = machine->Outputs[0].xyzw[3].f[j]; if (!draw->rasterizer->bypass_clipping) { - vOut[j]->clipmask = compute_clipmask(vOut[j]->clip, draw->plane, draw->nr_planes); + vOut[j]->clipmask = compute_clipmask(vOut[j]->clip, draw->plane, + draw->nr_planes); + clipped += vOut[j]->clipmask; /* divide by w */ w = 1.0f / w; x *= w; y *= w; - z *= w; + z *= w; } else { vOut[j]->clipmask = 0; } vOut[j]->edgeflag = 1; - + vOut[j]->vertex_id = UNDEFINED_VERTEX_ID; + if (!draw->identity_viewport) { /* Viewport mapping */ vOut[j]->data[0][0] = x * scale[0] + trans[0]; @@ -189,6 +166,7 @@ vs_llvm_run( struct draw_vertex_shader *base, vOut[j]->data[slot][3] = machine->Outputs[slot].xyzw[3].f[j]; } } /* loop over vertices */ + return clipped != 0; } static void |