summaryrefslogtreecommitdiff
path: root/src/gallium/drivers/nv50/nv50_vbo.c
diff options
context:
space:
mode:
authorChristoph Bumiller <e0425955@student.tuwien.ac.at>2009-08-20 21:28:28 +0200
committerChristoph Bumiller <e0425955@student.tuwien.ac.at>2009-08-20 21:41:39 +0200
commit80c5ab1586c03b06683d843842c052e2ff099e2e (patch)
tree286e7f48c03f071c0e98fa4753e58b3eb8459fd2 /src/gallium/drivers/nv50/nv50_vbo.c
parente93d41d24f15491415538c82959f0d511bb40813 (diff)
nv50: modify vbo format to hw translation, add BGRA swizzle
Diffstat (limited to 'src/gallium/drivers/nv50/nv50_vbo.c')
-rw-r--r--src/gallium/drivers/nv50/nv50_vbo.c104
1 files changed, 65 insertions, 39 deletions
diff --git a/src/gallium/drivers/nv50/nv50_vbo.c b/src/gallium/drivers/nv50/nv50_vbo.c
index 17283f3f41..d463c17cca 100644
--- a/src/gallium/drivers/nv50/nv50_vbo.c
+++ b/src/gallium/drivers/nv50/nv50_vbo.c
@@ -49,55 +49,80 @@ nv50_prim(unsigned mode)
return NV50TCL_VERTEX_BEGIN_POINTS;
}
-static INLINE unsigned
-nv50_vtxeltfmt(unsigned pf)
+static INLINE uint32_t
+nv50_vbo_type_to_hw(unsigned type)
{
- static const uint8_t vtxelt_32[4] = { 0x90, 0x20, 0x10, 0x08 };
- static const uint8_t vtxelt_16[4] = { 0xd8, 0x78, 0x28, 0x18 };
- static const uint8_t vtxelt_08[4] = { 0xe8, 0xc0, 0x98, 0x50 };
-
- unsigned nf, c = 0;
-
- switch (pf_type(pf)) {
+ switch (type) {
case PIPE_FORMAT_TYPE_FLOAT:
- nf = NV50TCL_VERTEX_ARRAY_ATTRIB_TYPE_FLOAT; break;
+ return NV50TCL_VERTEX_ARRAY_ATTRIB_TYPE_FLOAT;
case PIPE_FORMAT_TYPE_UNORM:
- nf = NV50TCL_VERTEX_ARRAY_ATTRIB_TYPE_UNORM; break;
+ return NV50TCL_VERTEX_ARRAY_ATTRIB_TYPE_UNORM;
case PIPE_FORMAT_TYPE_SNORM:
- nf = NV50TCL_VERTEX_ARRAY_ATTRIB_TYPE_SNORM; break;
+ return NV50TCL_VERTEX_ARRAY_ATTRIB_TYPE_SNORM;
case PIPE_FORMAT_TYPE_USCALED:
- nf = NV50TCL_VERTEX_ARRAY_ATTRIB_TYPE_USCALED; break;
+ return NV50TCL_VERTEX_ARRAY_ATTRIB_TYPE_USCALED;
case PIPE_FORMAT_TYPE_SSCALED:
- nf = NV50TCL_VERTEX_ARRAY_ATTRIB_TYPE_SSCALED; break;
+ return NV50TCL_VERTEX_ARRAY_ATTRIB_TYPE_SSCALED;
+ /*
+ case PIPE_FORMAT_TYPE_UINT:
+ return NV50TCL_VERTEX_ARRAY_ATTRIB_TYPE_UINT;
+ case PIPE_FORMAT_TYPE_SINT:
+ return NV50TCL_VERTEX_ARRAY_ATTRIB_TYPE_SINT; */
default:
- NOUVEAU_ERR("invalid vbo type %d\n",pf_type(pf));
- assert(0);
- nf = NV50TCL_VERTEX_ARRAY_ATTRIB_TYPE_FLOAT;
- break;
+ return 0;
}
+}
- if (pf_size_y(pf)) c++;
- if (pf_size_z(pf)) c++;
- if (pf_size_w(pf)) c++;
-
- if (pf_exp2(pf) == 3) {
- switch (pf_size_x(pf)) {
- case 1: return (nf | (vtxelt_08[c] << 16));
- case 2: return (nf | (vtxelt_16[c] << 16));
- case 4: return (nf | (vtxelt_32[c] << 16));
- default:
- break;
- }
- } else
- if (pf_exp2(pf) == 6 && pf_size_x(pf) == 1) {
- NOUVEAU_ERR("unsupported vbo component size 64\n");
- assert(0);
- return (nf | 0x08000000);
+static INLINE uint32_t
+nv50_vbo_size_to_hw(unsigned size, unsigned nr_c)
+{
+ static const uint32_t hw_values[] = {
+ 0, 0, 0, 0,
+ NV50TCL_VERTEX_ARRAY_ATTRIB_SIZE_8,
+ NV50TCL_VERTEX_ARRAY_ATTRIB_SIZE_8_8,
+ NV50TCL_VERTEX_ARRAY_ATTRIB_SIZE_8_8_8,
+ NV50TCL_VERTEX_ARRAY_ATTRIB_SIZE_8_8_8_8,
+ NV50TCL_VERTEX_ARRAY_ATTRIB_SIZE_16,
+ NV50TCL_VERTEX_ARRAY_ATTRIB_SIZE_16_16,
+ NV50TCL_VERTEX_ARRAY_ATTRIB_SIZE_16_16_16,
+ NV50TCL_VERTEX_ARRAY_ATTRIB_SIZE_16_16_16_16,
+ 0, 0, 0, 0,
+ NV50TCL_VERTEX_ARRAY_ATTRIB_SIZE_32,
+ NV50TCL_VERTEX_ARRAY_ATTRIB_SIZE_32_32,
+ NV50TCL_VERTEX_ARRAY_ATTRIB_SIZE_32_32_32,
+ NV50TCL_VERTEX_ARRAY_ATTRIB_SIZE_32_32_32_32 };
+
+ /* we'd also have R11G11B10 and R10G10B10A2 */
+
+ assert(nr_c > 0 && nr_c <= 4);
+
+ if (size > 32)
+ return 0;
+ size >>= (3 - 2);
+
+ return hw_values[size + (nr_c - 1)];
+}
+
+static INLINE uint32_t
+nv50_vbo_vtxelt_to_hw(struct pipe_vertex_element *ve)
+{
+ uint32_t hw_type, hw_size;
+ enum pipe_format pf = ve->src_format;
+ unsigned size = pf_size_x(pf) << pf_exp2(pf);
+
+ hw_type = nv50_vbo_type_to_hw(pf_type(pf));
+ hw_size = nv50_vbo_size_to_hw(size, ve->nr_components);
+
+ if (!hw_type || !hw_size) {
+ NOUVEAU_ERR("unsupported vbo format: %s\n", pf_name(pf));
+ abort();
+ return 0x24e80000;
}
- NOUVEAU_ERR("invalid vbo format %s\n",pf_name(pf));
- assert(0);
- return (nf | 0x08000000);
+ if (pf_swizzle_x(pf) == 2) /* BGRA */
+ hw_size |= (1 << 31); /* no real swizzle bits :-( */
+
+ return (hw_type | hw_size);
}
boolean
@@ -273,8 +298,9 @@ nv50_vbo_validate(struct nv50_context *nv50)
struct pipe_vertex_buffer *vb =
&nv50->vtxbuf[ve->vertex_buffer_index];
struct nouveau_bo *bo = nouveau_bo(vb->buffer);
+ uint32_t hw = nv50_vbo_vtxelt_to_hw(ve);
- so_data(vtxfmt, nv50_vtxeltfmt(ve->src_format) | i);
+ so_data(vtxfmt, hw | i);
so_method(vtxbuf, tesla, NV50TCL_VERTEX_ARRAY_FORMAT(i), 3);
so_data (vtxbuf, 0x20000000 | vb->stride);