From 92caa65c24d1af99e02715dae1f1081278bf9e64 Mon Sep 17 00:00:00 2001 From: Christoph Bumiller Date: Sun, 2 Jan 2011 13:25:06 +0100 Subject: [PATCH] nvc0: demagic GP invocation count bitfield --- src/gallium/drivers/nvc0/nvc0_program.c | 18 ++++++++++++++++-- 1 file changed, 16 insertions(+), 2 deletions(-) diff --git a/src/gallium/drivers/nvc0/nvc0_program.c b/src/gallium/drivers/nvc0/nvc0_program.c index e159b71..b5e02f1 100644 --- a/src/gallium/drivers/nvc0/nvc0_program.c +++ b/src/gallium/drivers/nvc0/nvc0_program.c @@ -134,6 +134,7 @@ nvc0_indirect_outputs(struct nvc0_translation_info *ti, int id) static INLINE unsigned nvc0_system_value_location(unsigned sn, unsigned si) { + /* NOTE: locations 0xfxx indicate special regs */ switch (sn) { /* case TGSI_SEMANTIC_VERTEXID: @@ -151,6 +152,10 @@ nvc0_system_value_location(unsigned sn, unsigned si) return 0x2f8; case TGSI_SEMANTIC_FACE: return 0x3fc; + /* + case TGSI_SEMANTIC_INVOCATIONID: + return 0xf11; + */ default: assert(0); return 0x000; @@ -426,11 +431,11 @@ nvc0_vp_gen_header(struct nvc0_program *vp, struct nvc0_translation_info *ti) static int nvc0_gp_gen_header(struct nvc0_program *gp, struct nvc0_translation_info *ti) { + unsigned invocations = 1; unsigned max_output_verts, output_prim; unsigned i; - gp->hdr[0] = 0x00021061; - gp->hdr[2] = 0x01000000; + gp->hdr[0] = 0x21061; for (i = 0; i < ti->scan.num_properties; ++i) { switch (ti->scan.properties[i].name) { @@ -439,12 +444,21 @@ nvc0_gp_gen_header(struct nvc0_program *gp, struct nvc0_translation_info *ti) break; case TGSI_PROPERTY_GS_MAX_OUTPUT_VERTICES: max_output_verts = ti->scan.properties[i].data[0]; + assert(max_output_verts < 512); break; + /* + case TGSI_PROPERTY_GS_INVOCATIONS: + invocations = ti->scan.properties[i].data[0]; + assert(invocations <= 32); + break; + */ default: break; } } + gp->hdr[2] = MIN2(invocations, 32) << 24; + switch (output_prim) { case PIPE_PRIM_POINTS: gp->hdr[3] = 0x01000000; -- 2.7.4