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Diffstat (limited to 'src/gallium/drivers/nv50/nv50_vbo.c')
-rw-r--r--src/gallium/drivers/nv50/nv50_vbo.c552
1 files changed, 495 insertions, 57 deletions
diff --git a/src/gallium/drivers/nv50/nv50_vbo.c b/src/gallium/drivers/nv50/nv50_vbo.c
index eeed148c7b9..f2e510fba61 100644
--- a/src/gallium/drivers/nv50/nv50_vbo.c
+++ b/src/gallium/drivers/nv50/nv50_vbo.c
@@ -24,8 +24,22 @@
#include "pipe/p_state.h"
#include "pipe/p_inlines.h"
+#include "util/u_format.h"
+
#include "nv50_context.h"
+static boolean
+nv50_push_elements_u08(struct nv50_context *, uint8_t *, unsigned);
+
+static boolean
+nv50_push_elements_u16(struct nv50_context *, uint16_t *, unsigned);
+
+static boolean
+nv50_push_elements_u32(struct nv50_context *, uint32_t *, unsigned);
+
+static boolean
+nv50_push_arrays(struct nv50_context *, unsigned, unsigned);
+
static INLINE unsigned
nv50_prim(unsigned mode)
{
@@ -50,18 +64,25 @@ nv50_prim(unsigned mode)
}
static INLINE uint32_t
-nv50_vbo_type_to_hw(unsigned type)
+nv50_vbo_type_to_hw(enum pipe_format format)
{
- switch (type) {
- case PIPE_FORMAT_TYPE_FLOAT:
+ const struct util_format_description *desc;
+
+ desc = util_format_description(format);
+ assert(desc);
+
+ switch (desc->channel[0].type) {
+ case UTIL_FORMAT_TYPE_FLOAT:
return NV50TCL_VERTEX_ARRAY_ATTRIB_TYPE_FLOAT;
- case PIPE_FORMAT_TYPE_UNORM:
- return NV50TCL_VERTEX_ARRAY_ATTRIB_TYPE_UNORM;
- case PIPE_FORMAT_TYPE_SNORM:
- return NV50TCL_VERTEX_ARRAY_ATTRIB_TYPE_SNORM;
- case PIPE_FORMAT_TYPE_USCALED:
+ case UTIL_FORMAT_TYPE_UNSIGNED:
+ if (desc->channel[0].normalized) {
+ return NV50TCL_VERTEX_ARRAY_ATTRIB_TYPE_UNORM;
+ }
return NV50TCL_VERTEX_ARRAY_ATTRIB_TYPE_USCALED;
- case PIPE_FORMAT_TYPE_SSCALED:
+ case UTIL_FORMAT_TYPE_SIGNED:
+ if (desc->channel[0].normalized) {
+ return NV50TCL_VERTEX_ARRAY_ATTRIB_TYPE_SNORM;
+ }
return NV50TCL_VERTEX_ARRAY_ATTRIB_TYPE_SSCALED;
/*
case PIPE_FORMAT_TYPE_UINT:
@@ -78,19 +99,19 @@ 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,
+ NV50TCL_VERTEX_ARRAY_ATTRIB_FORMAT_8,
+ NV50TCL_VERTEX_ARRAY_ATTRIB_FORMAT_8_8,
+ NV50TCL_VERTEX_ARRAY_ATTRIB_FORMAT_8_8_8,
+ NV50TCL_VERTEX_ARRAY_ATTRIB_FORMAT_8_8_8_8,
+ NV50TCL_VERTEX_ARRAY_ATTRIB_FORMAT_16,
+ NV50TCL_VERTEX_ARRAY_ATTRIB_FORMAT_16_16,
+ NV50TCL_VERTEX_ARRAY_ATTRIB_FORMAT_16_16_16,
+ NV50TCL_VERTEX_ARRAY_ATTRIB_FORMAT_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 };
+ NV50TCL_VERTEX_ARRAY_ATTRIB_FORMAT_32,
+ NV50TCL_VERTEX_ARRAY_ATTRIB_FORMAT_32_32,
+ NV50TCL_VERTEX_ARRAY_ATTRIB_FORMAT_32_32_32,
+ NV50TCL_VERTEX_ARRAY_ATTRIB_FORMAT_32_32_32_32 };
/* we'd also have R11G11B10 and R10G10B10A2 */
@@ -108,9 +129,15 @@ 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);
+ const struct util_format_description *desc;
+ unsigned size;
+
+ desc = util_format_description(pf);
+ assert(desc);
- hw_type = nv50_vbo_type_to_hw(pf_type(pf));
+ size = util_format_get_component_bits(pf, UTIL_FORMAT_COLORSPACE_RGB, 0);
+
+ hw_type = nv50_vbo_type_to_hw(pf);
hw_size = nv50_vbo_size_to_hw(size, ve->nr_components);
if (!hw_type || !hw_size) {
@@ -119,19 +146,20 @@ nv50_vbo_vtxelt_to_hw(struct pipe_vertex_element *ve)
return 0x24e80000;
}
- if (pf_swizzle_x(pf) == 2) /* BGRA */
+ if (desc->swizzle[0] == UTIL_FORMAT_SWIZZLE_Z) /* BGRA */
hw_size |= (1 << 31); /* no real swizzle bits :-( */
return (hw_type | hw_size);
}
-boolean
+void
nv50_draw_arrays(struct pipe_context *pipe, unsigned mode, unsigned start,
unsigned count)
{
struct nv50_context *nv50 = nv50_context(pipe);
struct nouveau_channel *chan = nv50->screen->tesla->channel;
struct nouveau_grobj *tesla = nv50->screen->tesla;
+ boolean ret;
nv50_state_validate(nv50);
@@ -139,24 +167,27 @@ nv50_draw_arrays(struct pipe_context *pipe, unsigned mode, unsigned start,
OUT_RING (chan, 0);
BEGIN_RING(chan, tesla, 0x142c, 1);
OUT_RING (chan, 0);
- BEGIN_RING(chan, tesla, 0x1440, 1);
- OUT_RING (chan, 0);
- BEGIN_RING(chan, tesla, 0x1334, 1);
- OUT_RING (chan, 0);
BEGIN_RING(chan, tesla, NV50TCL_VERTEX_BEGIN, 1);
OUT_RING (chan, nv50_prim(mode));
- BEGIN_RING(chan, tesla, NV50TCL_VERTEX_BUFFER_FIRST, 2);
- OUT_RING (chan, start);
- OUT_RING (chan, count);
+
+ if (nv50->vbo_fifo)
+ ret = nv50_push_arrays(nv50, start, count);
+ else {
+ BEGIN_RING(chan, tesla, NV50TCL_VERTEX_BUFFER_FIRST, 2);
+ OUT_RING (chan, start);
+ OUT_RING (chan, count);
+ ret = TRUE;
+ }
BEGIN_RING(chan, tesla, NV50TCL_VERTEX_END, 1);
OUT_RING (chan, 0);
- pipe->flush(pipe, 0, NULL);
- return TRUE;
+ /* XXX: not sure what to do if ret != TRUE: flush and retry?
+ */
+ assert(ret);
}
-static INLINE void
+static INLINE boolean
nv50_draw_elements_inline_u08(struct nv50_context *nv50, uint8_t *map,
unsigned start, unsigned count)
{
@@ -165,8 +196,11 @@ nv50_draw_elements_inline_u08(struct nv50_context *nv50, uint8_t *map,
map += start;
+ if (nv50->vbo_fifo)
+ return nv50_push_elements_u08(nv50, map, count);
+
if (count & 1) {
- BEGIN_RING(chan, tesla, 0x15e8, 1);
+ BEGIN_RING(chan, tesla, NV50TCL_VB_ELEMENT_U32, 1);
OUT_RING (chan, map[0]);
map++;
count--;
@@ -176,16 +210,17 @@ nv50_draw_elements_inline_u08(struct nv50_context *nv50, uint8_t *map,
unsigned nr = count > 2046 ? 2046 : count;
int i;
- BEGIN_RING(chan, tesla, 0x400015f0, nr >> 1);
+ BEGIN_RING(chan, tesla, NV50TCL_VB_ELEMENT_U16 | 0x40000000, nr >> 1);
for (i = 0; i < nr; i += 2)
OUT_RING (chan, (map[i + 1] << 16) | map[i]);
count -= nr;
map += nr;
}
+ return TRUE;
}
-static INLINE void
+static INLINE boolean
nv50_draw_elements_inline_u16(struct nv50_context *nv50, uint16_t *map,
unsigned start, unsigned count)
{
@@ -194,8 +229,11 @@ nv50_draw_elements_inline_u16(struct nv50_context *nv50, uint16_t *map,
map += start;
+ if (nv50->vbo_fifo)
+ return nv50_push_elements_u16(nv50, map, count);
+
if (count & 1) {
- BEGIN_RING(chan, tesla, 0x15e8, 1);
+ BEGIN_RING(chan, tesla, NV50TCL_VB_ELEMENT_U32, 1);
OUT_RING (chan, map[0]);
map++;
count--;
@@ -205,16 +243,17 @@ nv50_draw_elements_inline_u16(struct nv50_context *nv50, uint16_t *map,
unsigned nr = count > 2046 ? 2046 : count;
int i;
- BEGIN_RING(chan, tesla, 0x400015f0, nr >> 1);
+ BEGIN_RING(chan, tesla, NV50TCL_VB_ELEMENT_U16 | 0x40000000, nr >> 1);
for (i = 0; i < nr; i += 2)
OUT_RING (chan, (map[i + 1] << 16) | map[i]);
count -= nr;
map += nr;
}
+ return TRUE;
}
-static INLINE void
+static INLINE boolean
nv50_draw_elements_inline_u32(struct nv50_context *nv50, uint32_t *map,
unsigned start, unsigned count)
{
@@ -223,18 +262,22 @@ nv50_draw_elements_inline_u32(struct nv50_context *nv50, uint32_t *map,
map += start;
+ if (nv50->vbo_fifo)
+ return nv50_push_elements_u32(nv50, map, count);
+
while (count) {
unsigned nr = count > 2047 ? 2047 : count;
- BEGIN_RING(chan, tesla, 0x400015e8, nr);
+ BEGIN_RING(chan, tesla, NV50TCL_VB_ELEMENT_U32 | 0x40000000, nr);
OUT_RINGp (chan, map, nr);
count -= nr;
map += nr;
}
+ return TRUE;
}
-boolean
+void
nv50_draw_elements(struct pipe_context *pipe,
struct pipe_buffer *indexBuffer, unsigned indexSize,
unsigned mode, unsigned start, unsigned count)
@@ -244,6 +287,7 @@ nv50_draw_elements(struct pipe_context *pipe,
struct nouveau_grobj *tesla = nv50->screen->tesla;
struct pipe_screen *pscreen = pipe->screen;
void *map;
+ boolean ret;
map = pipe_buffer_map(pscreen, indexBuffer, PIPE_BUFFER_USAGE_CPU_READ);
@@ -258,23 +302,27 @@ nv50_draw_elements(struct pipe_context *pipe,
OUT_RING (chan, nv50_prim(mode));
switch (indexSize) {
case 1:
- nv50_draw_elements_inline_u08(nv50, map, start, count);
+ ret = nv50_draw_elements_inline_u08(nv50, map, start, count);
break;
case 2:
- nv50_draw_elements_inline_u16(nv50, map, start, count);
+ ret = nv50_draw_elements_inline_u16(nv50, map, start, count);
break;
case 4:
- nv50_draw_elements_inline_u32(nv50, map, start, count);
+ ret = nv50_draw_elements_inline_u32(nv50, map, start, count);
break;
default:
assert(0);
+ ret = FALSE;
+ break;
}
BEGIN_RING(chan, tesla, NV50TCL_VERTEX_END, 1);
OUT_RING (chan, 0);
pipe_buffer_unmap(pscreen, indexBuffer);
- pipe->flush(pipe, 0, NULL);
- return TRUE;
+
+ /* XXX: what to do if ret != TRUE? Flush and retry?
+ */
+ assert(ret);
}
static INLINE boolean
@@ -290,9 +338,13 @@ nv50_vbo_static_attrib(struct nv50_context *nv50, unsigned attrib,
float *v;
int ret;
enum pipe_format pf = ve->src_format;
+ const struct util_format_description *desc;
- if ((pf_type(pf) != PIPE_FORMAT_TYPE_FLOAT) ||
- (pf_size_x(pf) << pf_exp2(pf)) != 32)
+ desc = util_format_description(pf);
+ assert(desc);
+
+ if ((desc->channel[0].type != UTIL_FORMAT_TYPE_FLOAT) ||
+ util_format_get_component_bits(pf, UTIL_FORMAT_COLORSPACE_RGB, 0) != 32)
return FALSE;
ret = nouveau_bo_map(bo, NOUVEAU_BO_RD);
@@ -302,7 +354,7 @@ nv50_vbo_static_attrib(struct nv50_context *nv50, unsigned attrib,
so = *pso;
if (!so)
- *pso = so = so_new(nv50->vtxelt_nr * 5, 0);
+ *pso = so = so_new(nv50->vtxelt_nr, nv50->vtxelt_nr * 4, 0);
switch (ve->nr_components) {
case 4:
@@ -324,6 +376,10 @@ nv50_vbo_static_attrib(struct nv50_context *nv50, unsigned attrib,
so_data (so, fui(v[1]));
break;
case 1:
+ if (attrib == nv50->vertprog->cfg.edgeflag_in) {
+ so_method(so, tesla, NV50TCL_EDGEFLAG_ENABLE, 1);
+ so_data (so, v[0] ? 1 : 0);
+ }
so_method(so, tesla, NV50TCL_VTX_ATTR_1F(attrib), 1);
so_data (so, fui(v[0]));
break;
@@ -341,17 +397,27 @@ nv50_vbo_validate(struct nv50_context *nv50)
{
struct nouveau_grobj *tesla = nv50->screen->tesla;
struct nouveau_stateobj *vtxbuf, *vtxfmt, *vtxattr;
- unsigned i;
+ unsigned i, n_ve;
/* don't validate if Gallium took away our buffers */
if (nv50->vtxbuf_nr == 0)
return;
+ nv50->vbo_fifo = 0;
+
+ for (i = 0; i < nv50->vtxbuf_nr; ++i)
+ if (nv50->vtxbuf[i].stride &&
+ !(nv50->vtxbuf[i].buffer->usage & PIPE_BUFFER_USAGE_VERTEX))
+ nv50->vbo_fifo = 0xffff;
+
+ if (nv50->vertprog->cfg.edgeflag_in < 16)
+ nv50->vbo_fifo = 0xffff; /* vertprog can't set edgeflag */
+
+ n_ve = MAX2(nv50->vtxelt_nr, nv50->state.vtxelt_nr);
vtxattr = NULL;
- vtxbuf = so_new(nv50->vtxelt_nr * 7, nv50->vtxelt_nr * 4);
- vtxfmt = so_new(nv50->vtxelt_nr + 1, 0);
- so_method(vtxfmt, tesla, NV50TCL_VERTEX_ARRAY_ATTRIB(0),
- nv50->vtxelt_nr);
+ vtxbuf = so_new(n_ve * 2, n_ve * 5, nv50->vtxelt_nr * 4);
+ vtxfmt = so_new(1, n_ve, 0);
+ so_method(vtxfmt, tesla, NV50TCL_VERTEX_ARRAY_ATTRIB(0), n_ve);
for (i = 0; i < nv50->vtxelt_nr; i++) {
struct pipe_vertex_element *ve = &nv50->vtxelt[i];
@@ -367,10 +433,19 @@ nv50_vbo_validate(struct nv50_context *nv50)
so_method(vtxbuf, tesla,
NV50TCL_VERTEX_ARRAY_FORMAT(i), 1);
so_data (vtxbuf, 0);
+
+ nv50->vbo_fifo &= ~(1 << i);
continue;
}
so_data(vtxfmt, hw | i);
+ if (nv50->vbo_fifo) {
+ so_method(vtxbuf, tesla,
+ NV50TCL_VERTEX_ARRAY_FORMAT(i), 1);
+ so_data (vtxbuf, 0);
+ continue;
+ }
+
so_method(vtxbuf, tesla, NV50TCL_VERTEX_ARRAY_FORMAT(i), 3);
so_data (vtxbuf, 0x20000000 | vb->stride);
so_reloc (vtxbuf, bo, vb->buffer_offset +
@@ -381,7 +456,7 @@ nv50_vbo_validate(struct nv50_context *nv50)
NOUVEAU_BO_RD | NOUVEAU_BO_LOW, 0, 0);
/* vertex array limits */
- so_method(vtxbuf, tesla, 0x1080 + (i * 8), 2);
+ so_method(vtxbuf, tesla, NV50TCL_VERTEX_ARRAY_LIMIT_HIGH(i), 2);
so_reloc (vtxbuf, bo, vb->buffer->size - 1,
NOUVEAU_BO_VRAM | NOUVEAU_BO_GART | NOUVEAU_BO_RD |
NOUVEAU_BO_HIGH, 0, 0);
@@ -389,6 +464,13 @@ nv50_vbo_validate(struct nv50_context *nv50)
NOUVEAU_BO_VRAM | NOUVEAU_BO_GART | NOUVEAU_BO_RD |
NOUVEAU_BO_LOW, 0, 0);
}
+ for (; i < n_ve; ++i) {
+ so_data (vtxfmt, 0x7e080010);
+
+ so_method(vtxbuf, tesla, NV50TCL_VERTEX_ARRAY_FORMAT(i), 1);
+ so_data (vtxbuf, 0);
+ }
+ nv50->state.vtxelt_nr = nv50->vtxelt_nr;
so_ref (vtxfmt, &nv50->state.vtxfmt);
so_ref (vtxbuf, &nv50->state.vtxbuf);
@@ -398,3 +480,359 @@ nv50_vbo_validate(struct nv50_context *nv50)
so_ref (NULL, &vtxattr);
}
+typedef void (*pfn_push)(struct nouveau_channel *, void *);
+
+struct nv50_vbo_emitctx
+{
+ pfn_push push[16];
+ void *map[16];
+ unsigned stride[16];
+ unsigned nr_ve;
+ unsigned vtx_dwords;
+ unsigned vtx_max;
+
+ float edgeflag;
+ unsigned ve_edgeflag;
+};
+
+static INLINE void
+emit_vtx_next(struct nouveau_channel *chan, struct nv50_vbo_emitctx *emit)
+{
+ unsigned i;
+
+ for (i = 0; i < emit->nr_ve; ++i) {
+ emit->push[i](chan, emit->map[i]);
+ emit->map[i] += emit->stride[i];
+ }
+}
+
+static INLINE void
+emit_vtx(struct nouveau_channel *chan, struct nv50_vbo_emitctx *emit,
+ uint32_t vi)
+{
+ unsigned i;
+
+ for (i = 0; i < emit->nr_ve; ++i)
+ emit->push[i](chan, emit->map[i] + emit->stride[i] * vi);
+}
+
+static INLINE boolean
+nv50_map_vbufs(struct nv50_context *nv50)
+{
+ int i;
+
+ for (i = 0; i < nv50->vtxbuf_nr; ++i) {
+ struct pipe_vertex_buffer *vb = &nv50->vtxbuf[i];
+ unsigned size, delta;
+
+ if (nouveau_bo(vb->buffer)->map)
+ continue;
+
+ size = vb->stride * (vb->max_index + 1);
+ delta = vb->buffer_offset;
+
+ if (!size)
+ size = vb->buffer->size - vb->buffer_offset;
+
+ if (nouveau_bo_map_range(nouveau_bo(vb->buffer),
+ delta, size, NOUVEAU_BO_RD))
+ break;
+ }
+
+ if (i == nv50->vtxbuf_nr)
+ return TRUE;
+ for (; i >= 0; --i)
+ nouveau_bo_unmap(nouveau_bo(nv50->vtxbuf[i].buffer));
+ return FALSE;
+}
+
+static INLINE void
+nv50_unmap_vbufs(struct nv50_context *nv50)
+{
+ unsigned i;
+
+ for (i = 0; i < nv50->vtxbuf_nr; ++i)
+ if (nouveau_bo(nv50->vtxbuf[i].buffer)->map)
+ nouveau_bo_unmap(nouveau_bo(nv50->vtxbuf[i].buffer));
+}
+
+static void
+emit_b32_1(struct nouveau_channel *chan, void *data)
+{
+ uint32_t *v = data;
+
+ OUT_RING(chan, v[0]);
+}
+
+static void
+emit_b32_2(struct nouveau_channel *chan, void *data)
+{
+ uint32_t *v = data;
+
+ OUT_RING(chan, v[0]);
+ OUT_RING(chan, v[1]);
+}
+
+static void
+emit_b32_3(struct nouveau_channel *chan, void *data)
+{
+ uint32_t *v = data;
+
+ OUT_RING(chan, v[0]);
+ OUT_RING(chan, v[1]);
+ OUT_RING(chan, v[2]);
+}
+
+static void
+emit_b32_4(struct nouveau_channel *chan, void *data)
+{
+ uint32_t *v = data;
+
+ OUT_RING(chan, v[0]);
+ OUT_RING(chan, v[1]);
+ OUT_RING(chan, v[2]);
+ OUT_RING(chan, v[3]);
+}
+
+static void
+emit_b16_1(struct nouveau_channel *chan, void *data)
+{
+ uint16_t *v = data;
+
+ OUT_RING(chan, v[0]);
+}
+
+static void
+emit_b16_3(struct nouveau_channel *chan, void *data)
+{
+ uint16_t *v = data;
+
+ OUT_RING(chan, (v[1] << 16) | v[0]);
+ OUT_RING(chan, v[2]);
+}
+
+static void
+emit_b08_1(struct nouveau_channel *chan, void *data)
+{
+ uint8_t *v = data;
+
+ OUT_RING(chan, v[0]);
+}
+
+static void
+emit_b08_3(struct nouveau_channel *chan, void *data)
+{
+ uint8_t *v = data;
+
+ OUT_RING(chan, (v[2] << 16) | (v[1] << 8) | v[0]);
+}
+
+static boolean
+emit_prepare(struct nv50_context *nv50, struct nv50_vbo_emitctx *emit,
+ unsigned start)
+{
+ unsigned i;
+
+ if (nv50_map_vbufs(nv50) == FALSE)
+ return FALSE;
+
+ emit->ve_edgeflag = nv50->vertprog->cfg.edgeflag_in;
+
+ emit->edgeflag = 0.5f;
+ emit->nr_ve = 0;
+ emit->vtx_dwords = 0;
+
+ for (i = 0; i < nv50->vtxelt_nr; ++i) {
+ struct pipe_vertex_element *ve;
+ struct pipe_vertex_buffer *vb;
+ unsigned n, size;
+ const struct util_format_description *desc;
+
+ ve = &nv50->vtxelt[i];
+ vb = &nv50->vtxbuf[ve->vertex_buffer_index];
+ if (!(nv50->vbo_fifo & (1 << i)))
+ continue;
+ n = emit->nr_ve++;
+
+ emit->stride[n] = vb->stride;
+ emit->map[n] = nouveau_bo(vb->buffer)->map +
+ (start * vb->stride + ve->src_offset);
+
+ desc = util_format_description(ve->src_format);
+ assert(desc);
+
+ size = util_format_get_component_bits(
+ ve->src_format, UTIL_FORMAT_COLORSPACE_RGB, 0);
+
+ assert(ve->nr_components > 0 && ve->nr_components <= 4);
+
+ /* It shouldn't be necessary to push the implicit 1s
+ * for case 3 and size 8 cases 1, 2, 3.
+ */
+ switch (size) {
+ default:
+ NOUVEAU_ERR("unsupported vtxelt size: %u\n", size);
+ return FALSE;
+ case 32:
+ switch (ve->nr_components) {
+ case 1: emit->push[n] = emit_b32_1; break;
+ case 2: emit->push[n] = emit_b32_2; break;
+ case 3: emit->push[n] = emit_b32_3; break;
+ case 4: emit->push[n] = emit_b32_4; break;
+ }
+ emit->vtx_dwords += ve->nr_components;
+ break;
+ case 16:
+ switch (ve->nr_components) {
+ case 1: emit->push[n] = emit_b16_1; break;
+ case 2: emit->push[n] = emit_b32_1; break;
+ case 3: emit->push[n] = emit_b16_3; break;
+ case 4: emit->push[n] = emit_b32_2; break;
+ }
+ emit->vtx_dwords += (ve->nr_components + 1) >> 1;
+ break;
+ case 8:
+ switch (ve->nr_components) {
+ case 1: emit->push[n] = emit_b08_1; break;
+ case 2: emit->push[n] = emit_b16_1; break;
+ case 3: emit->push[n] = emit_b08_3; break;
+ case 4: emit->push[n] = emit_b32_1; break;
+ }
+ emit->vtx_dwords += 1;
+ break;
+ }
+ }
+
+ emit->vtx_max = 512 / emit->vtx_dwords;
+ if (emit->ve_edgeflag < 16)
+ emit->vtx_max = 1;
+
+ return TRUE;
+}
+
+static INLINE void
+set_edgeflag(struct nouveau_channel *chan,
+ struct nouveau_grobj *tesla,
+ struct nv50_vbo_emitctx *emit, uint32_t index)
+{
+ unsigned i = emit->ve_edgeflag;
+
+ if (i < 16) {
+ float f = *((float *)(emit->map[i] + index * emit->stride[i]));
+
+ if (emit->edgeflag != f) {
+ emit->edgeflag = f;
+
+ BEGIN_RING(chan, tesla, 0x15e4, 1);
+ OUT_RING (chan, f ? 1 : 0);
+ }
+ }
+}
+
+static boolean
+nv50_push_arrays(struct nv50_context *nv50, unsigned start, unsigned count)
+{
+ struct nouveau_channel *chan = nv50->screen->base.channel;
+ struct nouveau_grobj *tesla = nv50->screen->tesla;
+ struct nv50_vbo_emitctx emit;
+
+ if (emit_prepare(nv50, &emit, start) == FALSE)
+ return FALSE;
+
+ while (count) {
+ unsigned i, dw, nr = MIN2(count, emit.vtx_max);
+ dw = nr * emit.vtx_dwords;
+
+ set_edgeflag(chan, tesla, &emit, 0); /* nr will be 1 */
+
+ BEGIN_RING(chan, tesla, NV50TCL_VERTEX_DATA | 0x40000000, dw);
+ for (i = 0; i < nr; ++i)
+ emit_vtx_next(chan, &emit);
+
+ count -= nr;
+ }
+ nv50_unmap_vbufs(nv50);
+
+ return TRUE;
+}
+
+static boolean
+nv50_push_elements_u32(struct nv50_context *nv50, uint32_t *map, unsigned count)
+{
+ struct nouveau_channel *chan = nv50->screen->base.channel;
+ struct nouveau_grobj *tesla = nv50->screen->tesla;
+ struct nv50_vbo_emitctx emit;
+
+ if (emit_prepare(nv50, &emit, 0) == FALSE)
+ return FALSE;
+
+ while (count) {
+ unsigned i, dw, nr = MIN2(count, emit.vtx_max);
+ dw = nr * emit.vtx_dwords;
+
+ set_edgeflag(chan, tesla, &emit, *map);
+
+ BEGIN_RING(chan, tesla, NV50TCL_VERTEX_DATA | 0x40000000, dw);
+ for (i = 0; i < nr; ++i)
+ emit_vtx(chan, &emit, *map++);
+
+ count -= nr;
+ }
+ nv50_unmap_vbufs(nv50);
+
+ return TRUE;
+}
+
+static boolean
+nv50_push_elements_u16(struct nv50_context *nv50, uint16_t *map, unsigned count)
+{
+ struct nouveau_channel *chan = nv50->screen->base.channel;
+ struct nouveau_grobj *tesla = nv50->screen->tesla;
+ struct nv50_vbo_emitctx emit;
+
+ if (emit_prepare(nv50, &emit, 0) == FALSE)
+ return FALSE;
+
+ while (count) {
+ unsigned i, dw, nr = MIN2(count, emit.vtx_max);
+ dw = nr * emit.vtx_dwords;
+
+ set_edgeflag(chan, tesla, &emit, *map);
+
+ BEGIN_RING(chan, tesla, NV50TCL_VERTEX_DATA | 0x40000000, dw);
+ for (i = 0; i < nr; ++i)
+ emit_vtx(chan, &emit, *map++);
+
+ count -= nr;
+ }
+ nv50_unmap_vbufs(nv50);
+
+ return TRUE;
+}
+
+static boolean
+nv50_push_elements_u08(struct nv50_context *nv50, uint8_t *map, unsigned count)
+{
+ struct nouveau_channel *chan = nv50->screen->base.channel;
+ struct nouveau_grobj *tesla = nv50->screen->tesla;
+ struct nv50_vbo_emitctx emit;
+
+ if (emit_prepare(nv50, &emit, 0) == FALSE)
+ return FALSE;
+
+ while (count) {
+ unsigned i, dw, nr = MIN2(count, emit.vtx_max);
+ dw = nr * emit.vtx_dwords;
+
+ set_edgeflag(chan, tesla, &emit, *map);
+
+ BEGIN_RING(chan, tesla, NV50TCL_VERTEX_DATA | 0x40000000, dw);
+ for (i = 0; i < nr; ++i)
+ emit_vtx(chan, &emit, *map++);
+
+ count -= nr;
+ }
+ nv50_unmap_vbufs(nv50);
+
+ return TRUE;
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-19 12:41:56 +0000