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Diffstat (limited to 'src/gallium/drivers/nv50/nv50_vbo.c')
-rw-r--r--src/gallium/drivers/nv50/nv50_vbo.c254
1 files changed, 254 insertions, 0 deletions
diff --git a/src/gallium/drivers/nv50/nv50_vbo.c b/src/gallium/drivers/nv50/nv50_vbo.c
new file mode 100644
index 00000000000..0c970adb03a
--- /dev/null
+++ b/src/gallium/drivers/nv50/nv50_vbo.c
@@ -0,0 +1,254 @@
+/*
+ * Copyright 2008 Ben Skeggs
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+ * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
+ * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#include "pipe/p_context.h"
+#include "pipe/p_state.h"
+
+#include "nv50_context.h"
+
+static INLINE unsigned
+nv50_prim(unsigned mode)
+{
+ switch (mode) {
+ case PIPE_PRIM_POINTS: return NV50TCL_VERTEX_BEGIN_POINTS;
+ case PIPE_PRIM_LINES: return NV50TCL_VERTEX_BEGIN_LINES;
+ case PIPE_PRIM_LINE_LOOP: return NV50TCL_VERTEX_BEGIN_LINE_LOOP;
+ case PIPE_PRIM_LINE_STRIP: return NV50TCL_VERTEX_BEGIN_LINE_STRIP;
+ case PIPE_PRIM_TRIANGLES: return NV50TCL_VERTEX_BEGIN_TRIANGLES;
+ case PIPE_PRIM_TRIANGLE_STRIP:
+ return NV50TCL_VERTEX_BEGIN_TRIANGLE_STRIP;
+ case PIPE_PRIM_TRIANGLE_FAN: return NV50TCL_VERTEX_BEGIN_TRIANGLE_FAN;
+ case PIPE_PRIM_QUADS: return NV50TCL_VERTEX_BEGIN_QUADS;
+ case PIPE_PRIM_QUAD_STRIP: return NV50TCL_VERTEX_BEGIN_QUAD_STRIP;
+ case PIPE_PRIM_POLYGON: return NV50TCL_VERTEX_BEGIN_POLYGON;
+ default:
+ break;
+ }
+
+ NOUVEAU_ERR("invalid primitive type %d\n", mode);
+ return NV50TCL_VERTEX_BEGIN_POINTS;
+}
+
+boolean
+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->nvws->channel;
+ struct nouveau_grobj *tesla = nv50->screen->tesla;
+
+ nv50_state_validate(nv50);
+
+ BEGIN_RING(chan, tesla, 0x142c, 1);
+ 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);
+ BEGIN_RING(chan, tesla, NV50TCL_VERTEX_END, 1);
+ OUT_RING (chan, 0);
+
+ pipe->flush(pipe, 0, NULL);
+ return TRUE;
+}
+
+static INLINE void
+nv50_draw_elements_inline_u08(struct nv50_context *nv50, uint8_t *map,
+ unsigned start, unsigned count)
+{
+ struct nouveau_channel *chan = nv50->screen->nvws->channel;
+ struct nouveau_grobj *tesla = nv50->screen->tesla;
+
+ map += start;
+
+ if (count & 1) {
+ BEGIN_RING(chan, tesla, 0x15e8, 1);
+ OUT_RING (chan, map[0]);
+ map++;
+ count--;
+ }
+
+ while (count) {
+ unsigned nr = count > 2046 ? 2046 : count;
+ int i;
+
+ BEGIN_RING(chan, tesla, 0x400015f0, nr >> 1);
+ for (i = 0; i < nr; i += 2)
+ OUT_RING (chan, (map[1] << 16) | map[0]);
+
+ count -= nr;
+ map += nr;
+ }
+}
+
+static INLINE void
+nv50_draw_elements_inline_u16(struct nv50_context *nv50, uint16_t *map,
+ unsigned start, unsigned count)
+{
+ struct nouveau_channel *chan = nv50->screen->nvws->channel;
+ struct nouveau_grobj *tesla = nv50->screen->tesla;
+
+ map += start;
+
+ if (count & 1) {
+ BEGIN_RING(chan, tesla, 0x15e8, 1);
+ OUT_RING (chan, map[0]);
+ map++;
+ count--;
+ }
+
+ while (count) {
+ unsigned nr = count > 2046 ? 2046 : count;
+ int i;
+
+ BEGIN_RING(chan, tesla, 0x400015f0, nr >> 1);
+ for (i = 0; i < nr; i += 2)
+ OUT_RING (chan, (map[1] << 16) | map[0]);
+
+ count -= nr;
+ map += nr;
+ }
+}
+
+static INLINE void
+nv50_draw_elements_inline_u32(struct nv50_context *nv50, uint8_t *map,
+ unsigned start, unsigned count)
+{
+ struct nouveau_channel *chan = nv50->screen->nvws->channel;
+ struct nouveau_grobj *tesla = nv50->screen->tesla;
+
+ map += start;
+
+ while (count) {
+ unsigned nr = count > 2047 ? 2047 : count;
+
+ BEGIN_RING(chan, tesla, 0x400015e8, nr);
+ OUT_RINGp (chan, map, nr);
+
+ count -= nr;
+ map += nr;
+ }
+}
+
+boolean
+nv50_draw_elements(struct pipe_context *pipe,
+ struct pipe_buffer *indexBuffer, unsigned indexSize,
+ unsigned mode, unsigned start, unsigned count)
+{
+ struct nv50_context *nv50 = nv50_context(pipe);
+ struct nouveau_channel *chan = nv50->screen->nvws->channel;
+ struct nouveau_grobj *tesla = nv50->screen->tesla;
+ struct pipe_winsys *ws = pipe->winsys;
+ void *map = ws->buffer_map(ws, indexBuffer, PIPE_BUFFER_USAGE_CPU_READ);
+
+ nv50_state_validate(nv50);
+
+ BEGIN_RING(chan, tesla, 0x142c, 1);
+ OUT_RING (chan, 0);
+ BEGIN_RING(chan, tesla, 0x142c, 1);
+ OUT_RING (chan, 0);
+
+ BEGIN_RING(chan, tesla, NV50TCL_VERTEX_BEGIN, 1);
+ OUT_RING (chan, nv50_prim(mode));
+ switch (indexSize) {
+ case 1:
+ nv50_draw_elements_inline_u08(nv50, map, start, count);
+ break;
+ case 2:
+ nv50_draw_elements_inline_u16(nv50, map, start, count);
+ break;
+ case 4:
+ nv50_draw_elements_inline_u32(nv50, map, start, count);
+ break;
+ default:
+ assert(0);
+ }
+ BEGIN_RING(chan, tesla, NV50TCL_VERTEX_END, 1);
+ OUT_RING (chan, 0);
+
+ pipe->flush(pipe, 0, NULL);
+ return TRUE;
+}
+
+void
+nv50_vbo_validate(struct nv50_context *nv50)
+{
+ struct nouveau_grobj *tesla = nv50->screen->tesla;
+ struct nouveau_stateobj *vtxbuf, *vtxfmt;
+ int i, vpi = 0;
+
+ vtxbuf = so_new(nv50->vtxelt_nr * 4, nv50->vtxelt_nr * 2);
+ vtxfmt = so_new(nv50->vtxelt_nr + 1, 0);
+ so_method(vtxfmt, tesla, 0x1ac0, nv50->vtxelt_nr);
+
+ for (i = 0; i < nv50->vtxelt_nr; i++) {
+ struct pipe_vertex_element *ve = &nv50->vtxelt[i];
+ struct pipe_vertex_buffer *vb =
+ &nv50->vtxbuf[ve->vertex_buffer_index];
+
+ switch (ve->src_format) {
+ case PIPE_FORMAT_R32G32B32A32_FLOAT:
+ so_data(vtxfmt, 0x7e080000 | i);
+ break;
+ case PIPE_FORMAT_R32G32B32_FLOAT:
+ so_data(vtxfmt, 0x7e100000 | i);
+ break;
+ case PIPE_FORMAT_R32G32_FLOAT:
+ so_data(vtxfmt, 0x7e200000 | i);
+ break;
+ case PIPE_FORMAT_R32_FLOAT:
+ so_data(vtxfmt, 0x7e900000 | i);
+ break;
+ case PIPE_FORMAT_R8G8B8A8_UNORM:
+ so_data(vtxfmt, 0x24500000 | i);
+ break;
+ default:
+ {
+ NOUVEAU_ERR("invalid vbo format %s\n",
+ pf_name(ve->src_format));
+ assert(0);
+ return;
+ }
+ }
+
+ so_method(vtxbuf, tesla, 0x900 + (i * 16), 3);
+ so_data (vtxbuf, 0x20000000 | vb->stride);
+ so_reloc (vtxbuf, vb->buffer, vb->buffer_offset +
+ ve->src_offset, NOUVEAU_BO_VRAM | NOUVEAU_BO_GART |
+ NOUVEAU_BO_RD | NOUVEAU_BO_HIGH, 0, 0);
+ so_reloc (vtxbuf, vb->buffer, vb->buffer_offset +
+ ve->src_offset, NOUVEAU_BO_VRAM | NOUVEAU_BO_GART |
+ NOUVEAU_BO_RD | NOUVEAU_BO_LOW, 0, 0);
+ }
+
+ so_ref (vtxfmt, &nv50->state.vtxfmt);
+ so_ref (vtxbuf, &nv50->state.vtxbuf);
+}
+
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-05 02:56:39 +0000