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path: root/src/gallium/drivers/nv40/nv40_vbo.c
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Diffstat (limited to 'src/gallium/drivers/nv40/nv40_vbo.c')
-rw-r--r--src/gallium/drivers/nv40/nv40_vbo.c474
1 files changed, 474 insertions, 0 deletions
diff --git a/src/gallium/drivers/nv40/nv40_vbo.c b/src/gallium/drivers/nv40/nv40_vbo.c
new file mode 100644
index 0000000000..bc53924a67
--- /dev/null
+++ b/src/gallium/drivers/nv40/nv40_vbo.c
@@ -0,0 +1,474 @@
+#include "pipe/p_context.h"
+#include "pipe/p_state.h"
+#include "pipe/p_util.h"
+
+#include "nv40_context.h"
+#include "nv40_state.h"
+
+#include "nouveau/nouveau_channel.h"
+#include "nouveau/nouveau_pushbuf.h"
+
+#define FORCE_SWTNL 0
+
+static INLINE int
+nv40_vbo_format_to_hw(enum pipe_format pipe, unsigned *fmt, unsigned *ncomp)
+{
+ char fs[128];
+
+ switch (pipe) {
+ case PIPE_FORMAT_R32_FLOAT:
+ case PIPE_FORMAT_R32G32_FLOAT:
+ case PIPE_FORMAT_R32G32B32_FLOAT:
+ case PIPE_FORMAT_R32G32B32A32_FLOAT:
+ *fmt = NV40TCL_VTXFMT_TYPE_FLOAT;
+ break;
+ case PIPE_FORMAT_R8_UNORM:
+ case PIPE_FORMAT_R8G8_UNORM:
+ case PIPE_FORMAT_R8G8B8_UNORM:
+ case PIPE_FORMAT_R8G8B8A8_UNORM:
+ *fmt = NV40TCL_VTXFMT_TYPE_UBYTE;
+ break;
+ case PIPE_FORMAT_R16_SSCALED:
+ case PIPE_FORMAT_R16G16_SSCALED:
+ case PIPE_FORMAT_R16G16B16_SSCALED:
+ case PIPE_FORMAT_R16G16B16A16_SSCALED:
+ *fmt = NV40TCL_VTXFMT_TYPE_USHORT;
+ break;
+ default:
+ pf_sprint_name(fs, pipe);
+ NOUVEAU_ERR("Unknown format %s\n", fs);
+ return 1;
+ }
+
+ switch (pipe) {
+ case PIPE_FORMAT_R8_UNORM:
+ case PIPE_FORMAT_R32_FLOAT:
+ case PIPE_FORMAT_R16_SSCALED:
+ *ncomp = 1;
+ break;
+ case PIPE_FORMAT_R8G8_UNORM:
+ case PIPE_FORMAT_R32G32_FLOAT:
+ case PIPE_FORMAT_R16G16_SSCALED:
+ *ncomp = 2;
+ break;
+ case PIPE_FORMAT_R8G8B8_UNORM:
+ case PIPE_FORMAT_R32G32B32_FLOAT:
+ case PIPE_FORMAT_R16G16B16_SSCALED:
+ *ncomp = 3;
+ break;
+ case PIPE_FORMAT_R8G8B8A8_UNORM:
+ case PIPE_FORMAT_R32G32B32A32_FLOAT:
+ case PIPE_FORMAT_R16G16B16A16_SSCALED:
+ *ncomp = 4;
+ break;
+ default:
+ pf_sprint_name(fs, pipe);
+ NOUVEAU_ERR("Unknown format %s\n", fs);
+ return 1;
+ }
+
+ return 0;
+}
+
+static boolean
+nv40_vbo_set_idxbuf(struct nv40_context *nv40, struct pipe_buffer *ib,
+ unsigned ib_size)
+{
+ unsigned type;
+
+ if (!ib) {
+ nv40->idxbuf = NULL;
+ nv40->idxbuf_format = 0xdeadbeef;
+ return FALSE;
+ }
+
+ /* No support for 8bit indices, no support at all on 0x4497 chips */
+ if (nv40->screen->curie->grclass == NV44TCL || ib_size == 1)
+ return FALSE;
+
+ switch (ib_size) {
+ case 2:
+ type = NV40TCL_IDXBUF_FORMAT_TYPE_U16;
+ break;
+ case 4:
+ type = NV40TCL_IDXBUF_FORMAT_TYPE_U32;
+ break;
+ default:
+ return FALSE;
+ }
+
+ if (ib != nv40->idxbuf ||
+ type != nv40->idxbuf_format) {
+ nv40->dirty |= NV40_NEW_ARRAYS;
+ nv40->idxbuf = ib;
+ nv40->idxbuf_format = type;
+ }
+
+ return TRUE;
+}
+
+static boolean
+nv40_vbo_static_attrib(struct nv40_context *nv40, int attrib,
+ struct pipe_vertex_element *ve,
+ struct pipe_vertex_buffer *vb)
+{
+ struct pipe_winsys *ws = nv40->pipe.winsys;
+ unsigned type, ncomp;
+ void *map;
+
+ if (nv40_vbo_format_to_hw(ve->src_format, &type, &ncomp))
+ return FALSE;
+
+ map = ws->buffer_map(ws, vb->buffer, PIPE_BUFFER_USAGE_CPU_READ);
+ map += vb->buffer_offset + ve->src_offset;
+
+ switch (type) {
+ case NV40TCL_VTXFMT_TYPE_FLOAT:
+ {
+ float *v = map;
+
+ BEGIN_RING(curie, NV40TCL_VTX_ATTR_4F_X(attrib), 4);
+ switch (ncomp) {
+ case 4:
+ OUT_RINGf(v[0]);
+ OUT_RINGf(v[1]);
+ OUT_RINGf(v[2]);
+ OUT_RINGf(v[3]);
+ break;
+ case 3:
+ OUT_RINGf(v[0]);
+ OUT_RINGf(v[1]);
+ OUT_RINGf(v[2]);
+ OUT_RINGf(1.0);
+ break;
+ case 2:
+ OUT_RINGf(v[0]);
+ OUT_RINGf(v[1]);
+ OUT_RINGf(0.0);
+ OUT_RINGf(1.0);
+ break;
+ case 1:
+ OUT_RINGf(v[0]);
+ OUT_RINGf(0.0);
+ OUT_RINGf(0.0);
+ OUT_RINGf(1.0);
+ break;
+ default:
+ ws->buffer_unmap(ws, vb->buffer);
+ return FALSE;
+ }
+ }
+ break;
+ default:
+ ws->buffer_unmap(ws, vb->buffer);
+ return FALSE;
+ }
+
+ ws->buffer_unmap(ws, vb->buffer);
+
+ return TRUE;
+}
+
+boolean
+nv40_draw_arrays(struct pipe_context *pipe, unsigned mode, unsigned start,
+ unsigned count)
+{
+ struct nv40_context *nv40 = nv40_context(pipe);
+ unsigned nr;
+
+ nv40_vbo_set_idxbuf(nv40, NULL, 0);
+ if (FORCE_SWTNL || !nv40_state_validate(nv40)) {
+ return nv40_draw_elements_swtnl(pipe, NULL, 0,
+ mode, start, count);
+ }
+ nv40_state_emit(nv40);
+
+ BEGIN_RING(curie, NV40TCL_BEGIN_END, 1);
+ OUT_RING (nvgl_primitive(mode));
+
+ nr = (count & 0xff);
+ if (nr) {
+ BEGIN_RING(curie, NV40TCL_VB_VERTEX_BATCH, 1);
+ OUT_RING (((nr - 1) << 24) | start);
+ start += nr;
+ }
+
+ nr = count >> 8;
+ while (nr) {
+ unsigned push = nr > 2047 ? 2047 : nr;
+
+ nr -= push;
+
+ BEGIN_RING_NI(curie, NV40TCL_VB_VERTEX_BATCH, push);
+ while (push--) {
+ OUT_RING(((0x100 - 1) << 24) | start);
+ start += 0x100;
+ }
+ }
+
+ BEGIN_RING(curie, NV40TCL_BEGIN_END, 1);
+ OUT_RING (0);
+
+ pipe->flush(pipe, 0, NULL);
+ return TRUE;
+}
+
+static INLINE void
+nv40_draw_elements_u08(struct nv40_context *nv40, void *ib,
+ unsigned start, unsigned count)
+{
+ uint8_t *elts = (uint8_t *)ib + start;
+ int push, i;
+
+ if (count & 1) {
+ BEGIN_RING(curie, NV40TCL_VB_ELEMENT_U32, 1);
+ OUT_RING (elts[0]);
+ elts++; count--;
+ }
+
+ while (count) {
+ push = MIN2(count, 2047 * 2);
+
+ BEGIN_RING_NI(curie, NV40TCL_VB_ELEMENT_U16, push >> 1);
+ for (i = 0; i < push; i+=2)
+ OUT_RING((elts[i+1] << 16) | elts[i]);
+
+ count -= push;
+ elts += push;
+ }
+}
+
+static INLINE void
+nv40_draw_elements_u16(struct nv40_context *nv40, void *ib,
+ unsigned start, unsigned count)
+{
+ uint16_t *elts = (uint16_t *)ib + start;
+ int push, i;
+
+ if (count & 1) {
+ BEGIN_RING(curie, NV40TCL_VB_ELEMENT_U32, 1);
+ OUT_RING (elts[0]);
+ elts++; count--;
+ }
+
+ while (count) {
+ push = MIN2(count, 2047 * 2);
+
+ BEGIN_RING_NI(curie, NV40TCL_VB_ELEMENT_U16, push >> 1);
+ for (i = 0; i < push; i+=2)
+ OUT_RING((elts[i+1] << 16) | elts[i]);
+
+ count -= push;
+ elts += push;
+ }
+}
+
+static INLINE void
+nv40_draw_elements_u32(struct nv40_context *nv40, void *ib,
+ unsigned start, unsigned count)
+{
+ uint32_t *elts = (uint32_t *)ib + start;
+ int push;
+
+ while (count) {
+ push = MIN2(count, 2047);
+
+ BEGIN_RING_NI(curie, NV40TCL_VB_ELEMENT_U32, push);
+ OUT_RINGp (elts, push);
+
+ count -= push;
+ elts += push;
+ }
+}
+
+static boolean
+nv40_draw_elements_inline(struct pipe_context *pipe,
+ struct pipe_buffer *ib, unsigned ib_size,
+ unsigned mode, unsigned start, unsigned count)
+{
+ struct nv40_context *nv40 = nv40_context(pipe);
+ struct pipe_winsys *ws = pipe->winsys;
+ void *map;
+
+ nv40_state_emit(nv40);
+
+ map = ws->buffer_map(ws, ib, PIPE_BUFFER_USAGE_CPU_READ);
+ if (!ib) {
+ NOUVEAU_ERR("failed mapping ib\n");
+ return FALSE;
+ }
+
+ BEGIN_RING(curie, NV40TCL_BEGIN_END, 1);
+ OUT_RING (nvgl_primitive(mode));
+
+ switch (ib_size) {
+ case 1:
+ nv40_draw_elements_u08(nv40, map, start, count);
+ break;
+ case 2:
+ nv40_draw_elements_u16(nv40, map, start, count);
+ break;
+ case 4:
+ nv40_draw_elements_u32(nv40, map, start, count);
+ break;
+ default:
+ NOUVEAU_ERR("invalid idxbuf fmt %d\n", ib_size);
+ break;
+ }
+
+ BEGIN_RING(curie, NV40TCL_BEGIN_END, 1);
+ OUT_RING (0);
+
+ ws->buffer_unmap(ws, ib);
+
+ return TRUE;
+}
+
+static boolean
+nv40_draw_elements_vbo(struct pipe_context *pipe,
+ unsigned mode, unsigned start, unsigned count)
+{
+ struct nv40_context *nv40 = nv40_context(pipe);
+ unsigned nr;
+
+ nv40_state_emit(nv40);
+
+ BEGIN_RING(curie, NV40TCL_BEGIN_END, 1);
+ OUT_RING (nvgl_primitive(mode));
+
+ nr = (count & 0xff);
+ if (nr) {
+ BEGIN_RING(curie, NV40TCL_VB_INDEX_BATCH, 1);
+ OUT_RING (((nr - 1) << 24) | start);
+ start += nr;
+ }
+
+ nr = count >> 8;
+ while (nr) {
+ unsigned push = nr > 2047 ? 2047 : nr;
+
+ nr -= push;
+
+ BEGIN_RING_NI(curie, NV40TCL_VB_INDEX_BATCH, push);
+ while (push--) {
+ OUT_RING(((0x100 - 1) << 24) | start);
+ start += 0x100;
+ }
+ }
+
+ BEGIN_RING(curie, NV40TCL_BEGIN_END, 1);
+ OUT_RING (0);
+
+ return TRUE;
+}
+
+boolean
+nv40_draw_elements(struct pipe_context *pipe,
+ struct pipe_buffer *indexBuffer, unsigned indexSize,
+ unsigned mode, unsigned start, unsigned count)
+{
+ struct nv40_context *nv40 = nv40_context(pipe);
+ boolean idxbuf;
+
+ idxbuf = nv40_vbo_set_idxbuf(nv40, indexBuffer, indexSize);
+ if (FORCE_SWTNL || !nv40_state_validate(nv40)) {
+ return nv40_draw_elements_swtnl(pipe, NULL, 0,
+ mode, start, count);
+ }
+ nv40_state_emit(nv40);
+
+ if (idxbuf) {
+ nv40_draw_elements_vbo(pipe, mode, start, count);
+ } else {
+ nv40_draw_elements_inline(pipe, indexBuffer, indexSize,
+ mode, start, count);
+ }
+
+ pipe->flush(pipe, 0, NULL);
+ return TRUE;
+}
+
+static boolean
+nv40_vbo_validate(struct nv40_context *nv40)
+{
+ struct nv40_vertex_program *vp = nv40->vertprog;
+ struct nouveau_stateobj *vtxbuf, *vtxfmt;
+ struct pipe_buffer *ib = nv40->idxbuf;
+ unsigned ib_format = nv40->idxbuf_format;
+ unsigned inputs, hw, num_hw;
+ unsigned vb_flags = NOUVEAU_BO_VRAM | NOUVEAU_BO_GART | NOUVEAU_BO_RD;
+
+ inputs = vp->ir;
+ for (hw = 0; hw < 16 && inputs; hw++) {
+ if (inputs & (1 << hw)) {
+ num_hw = hw;
+ inputs &= ~(1 << hw);
+ }
+ }
+ num_hw++;
+
+ vtxbuf = so_new(20, 18);
+ so_method(vtxbuf, nv40->screen->curie, NV40TCL_VTXBUF_ADDRESS(0), num_hw);
+ vtxfmt = so_new(17, 0);
+ so_method(vtxfmt, nv40->screen->curie, NV40TCL_VTXFMT(0), num_hw);
+
+ inputs = vp->ir;
+ for (hw = 0; hw < num_hw; hw++) {
+ struct pipe_vertex_element *ve;
+ struct pipe_vertex_buffer *vb;
+ unsigned type, ncomp;
+
+ if (!(inputs & (1 << hw))) {
+ so_data(vtxbuf, 0);
+ so_data(vtxfmt, NV40TCL_VTXFMT_TYPE_FLOAT);
+ continue;
+ }
+
+ ve = &nv40->vtxelt[hw];
+ vb = &nv40->vtxbuf[ve->vertex_buffer_index];
+
+ if (!vb->pitch && nv40_vbo_static_attrib(nv40, hw, ve, vb)) {
+ so_data(vtxbuf, 0);
+ so_data(vtxfmt, NV40TCL_VTXFMT_TYPE_FLOAT);
+ continue;
+ }
+
+ if (nv40_vbo_format_to_hw(ve->src_format, &type, &ncomp)) {
+ nv40->fallback_swtnl |= NV40_NEW_ARRAYS;
+ so_ref(NULL, &vtxbuf);
+ so_ref(NULL, &vtxfmt);
+ return FALSE;
+ }
+
+ so_reloc(vtxbuf, vb->buffer, vb->buffer_offset + ve->src_offset,
+ vb_flags | NOUVEAU_BO_LOW | NOUVEAU_BO_OR,
+ 0, NV40TCL_VTXBUF_ADDRESS_DMA1);
+ so_data (vtxfmt, ((vb->pitch << NV40TCL_VTXFMT_STRIDE_SHIFT) |
+ (ncomp << NV40TCL_VTXFMT_SIZE_SHIFT) | type));
+ }
+
+ if (ib) {
+ so_method(vtxbuf, nv40->screen->curie, NV40TCL_IDXBUF_ADDRESS, 2);
+ so_reloc (vtxbuf, ib, 0, vb_flags | NOUVEAU_BO_LOW, 0, 0);
+ so_reloc (vtxbuf, ib, ib_format, vb_flags | NOUVEAU_BO_OR,
+ 0, NV40TCL_IDXBUF_FORMAT_DMA1);
+ }
+
+ so_method(vtxbuf, nv40->screen->curie, 0x1710, 1);
+ so_data (vtxbuf, 0);
+
+ so_ref(vtxbuf, &nv40->state.hw[NV40_STATE_VTXBUF]);
+ nv40->state.dirty |= (1ULL << NV40_STATE_VTXBUF);
+ so_ref(vtxfmt, &nv40->state.hw[NV40_STATE_VTXFMT]);
+ nv40->state.dirty |= (1ULL << NV40_STATE_VTXFMT);
+ return FALSE;
+}
+
+struct nv40_state_entry nv40_state_vbo = {
+ .validate = nv40_vbo_validate,
+ .dirty = {
+ .pipe = NV40_NEW_ARRAYS,
+ .hw = 0,
+ }
+};
+
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-06 06:58:59 +0000