| /* |
| * Copyright 2010 Christoph Bumiller |
| * |
| * 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. |
| */ |
| |
| #define NVC0_PUSH_EXPLICIT_SPACE_CHECKING |
| |
| #include "pipe/p_context.h" |
| #include "pipe/p_state.h" |
| #include "util/u_inlines.h" |
| #include "util/u_format.h" |
| #include "translate/translate.h" |
| |
| #include "nvc0_context.h" |
| #include "nvc0_resource.h" |
| |
| #include "nvc0_3d.xml.h" |
| |
| void |
| nvc0_vertex_state_delete(struct pipe_context *pipe, |
| void *hwcso) |
| { |
| struct nvc0_vertex_stateobj *so = hwcso; |
| |
| if (so->translate) |
| so->translate->release(so->translate); |
| FREE(hwcso); |
| } |
| |
| void * |
| nvc0_vertex_state_create(struct pipe_context *pipe, |
| unsigned num_elements, |
| const struct pipe_vertex_element *elements) |
| { |
| struct nvc0_vertex_stateobj *so; |
| struct translate_key transkey; |
| unsigned i; |
| unsigned src_offset_max = 0; |
| |
| so = MALLOC(sizeof(*so) + |
| num_elements * sizeof(struct nvc0_vertex_element)); |
| if (!so) |
| return NULL; |
| so->num_elements = num_elements; |
| so->instance_elts = 0; |
| so->instance_bufs = 0; |
| so->shared_slots = FALSE; |
| so->need_conversion = FALSE; |
| |
| memset(so->vb_access_size, 0, sizeof(so->vb_access_size)); |
| |
| for (i = 0; i < PIPE_MAX_ATTRIBS; ++i) |
| so->min_instance_div[i] = 0xffffffff; |
| |
| transkey.nr_elements = 0; |
| transkey.output_stride = 0; |
| |
| for (i = 0; i < num_elements; ++i) { |
| const struct pipe_vertex_element *ve = &elements[i]; |
| const unsigned vbi = ve->vertex_buffer_index; |
| unsigned size; |
| enum pipe_format fmt = ve->src_format; |
| |
| so->element[i].pipe = elements[i]; |
| so->element[i].state = nvc0_format_table[fmt].vtx; |
| |
| if (!so->element[i].state) { |
| switch (util_format_get_nr_components(fmt)) { |
| case 1: fmt = PIPE_FORMAT_R32_FLOAT; break; |
| case 2: fmt = PIPE_FORMAT_R32G32_FLOAT; break; |
| case 3: fmt = PIPE_FORMAT_R32G32B32_FLOAT; break; |
| case 4: fmt = PIPE_FORMAT_R32G32B32A32_FLOAT; break; |
| default: |
| assert(0); |
| return NULL; |
| } |
| so->element[i].state = nvc0_format_table[fmt].vtx; |
| so->need_conversion = TRUE; |
| } |
| size = util_format_get_blocksize(fmt); |
| |
| src_offset_max = MAX2(src_offset_max, ve->src_offset); |
| |
| if (so->vb_access_size[vbi] < (ve->src_offset + size)) |
| so->vb_access_size[vbi] = ve->src_offset + size; |
| |
| if (unlikely(ve->instance_divisor)) { |
| so->instance_elts |= 1 << i; |
| so->instance_bufs |= 1 << vbi; |
| if (ve->instance_divisor < so->min_instance_div[vbi]) |
| so->min_instance_div[vbi] = ve->instance_divisor; |
| } |
| |
| if (1) { |
| unsigned ca; |
| unsigned j = transkey.nr_elements++; |
| |
| ca = util_format_description(fmt)->channel[0].size / 8; |
| if (ca != 1 && ca != 2) |
| ca = 4; |
| |
| transkey.element[j].type = TRANSLATE_ELEMENT_NORMAL; |
| transkey.element[j].input_format = ve->src_format; |
| transkey.element[j].input_buffer = vbi; |
| transkey.element[j].input_offset = ve->src_offset; |
| transkey.element[j].instance_divisor = ve->instance_divisor; |
| |
| transkey.output_stride = align(transkey.output_stride, ca); |
| transkey.element[j].output_format = fmt; |
| transkey.element[j].output_offset = transkey.output_stride; |
| transkey.output_stride += size; |
| |
| so->element[i].state_alt = so->element[i].state; |
| so->element[i].state_alt |= transkey.element[j].output_offset << 7; |
| } |
| |
| so->element[i].state |= i << NVC0_3D_VERTEX_ATTRIB_FORMAT_BUFFER__SHIFT; |
| } |
| transkey.output_stride = align(transkey.output_stride, 4); |
| |
| so->size = transkey.output_stride; |
| so->translate = translate_create(&transkey); |
| |
| if (so->instance_elts || src_offset_max >= (1 << 14)) |
| return so; |
| so->shared_slots = TRUE; |
| |
| for (i = 0; i < num_elements; ++i) { |
| const unsigned b = elements[i].vertex_buffer_index; |
| const unsigned s = elements[i].src_offset; |
| so->element[i].state &= ~NVC0_3D_VERTEX_ATTRIB_FORMAT_BUFFER__MASK; |
| so->element[i].state |= b << NVC0_3D_VERTEX_ATTRIB_FORMAT_BUFFER__SHIFT; |
| so->element[i].state |= s << NVC0_3D_VERTEX_ATTRIB_FORMAT_OFFSET__SHIFT; |
| } |
| return so; |
| } |
| |
| #define NVC0_3D_VERTEX_ATTRIB_INACTIVE \ |
| NVC0_3D_VERTEX_ATTRIB_FORMAT_TYPE_FLOAT | \ |
| NVC0_3D_VERTEX_ATTRIB_FORMAT_SIZE_32 | NVC0_3D_VERTEX_ATTRIB_FORMAT_CONST |
| |
| #define VTX_ATTR(a, c, t, s) \ |
| ((NVC0_3D_VTX_ATTR_DEFINE_TYPE_##t) | \ |
| (NVC0_3D_VTX_ATTR_DEFINE_SIZE_##s) | \ |
| ((a) << NVC0_3D_VTX_ATTR_DEFINE_ATTR__SHIFT) | \ |
| ((c) << NVC0_3D_VTX_ATTR_DEFINE_COMP__SHIFT)) |
| |
| static void |
| nvc0_set_constant_vertex_attrib(struct nvc0_context *nvc0, const unsigned a) |
| { |
| struct nouveau_pushbuf *push = nvc0->base.pushbuf; |
| struct pipe_vertex_element *ve = &nvc0->vertex->element[a].pipe; |
| struct pipe_vertex_buffer *vb = &nvc0->vtxbuf[ve->vertex_buffer_index]; |
| uint32_t mode; |
| const struct util_format_description *desc; |
| void *dst; |
| const void *src = (const uint8_t *)vb->user_buffer + ve->src_offset; |
| assert(!vb->buffer); |
| |
| desc = util_format_description(ve->src_format); |
| |
| PUSH_SPACE(push, 6); |
| BEGIN_NVC0(push, NVC0_3D(VTX_ATTR_DEFINE), 5); |
| dst = &push->cur[1]; |
| if (desc->channel[0].pure_integer) { |
| if (desc->channel[0].type == UTIL_FORMAT_TYPE_SIGNED) { |
| mode = VTX_ATTR(a, 4, SINT, 32); |
| desc->unpack_rgba_sint(dst, 0, src, 0, 1, 1); |
| } else { |
| mode = VTX_ATTR(a, 4, UINT, 32); |
| desc->unpack_rgba_uint(dst, 0, src, 0, 1, 1); |
| } |
| } else { |
| mode = VTX_ATTR(a, 4, FLOAT, 32); |
| desc->unpack_rgba_float(dst, 0, src, 0, 1, 1); |
| } |
| push->cur[0] = mode; |
| push->cur += 5; |
| } |
| |
| static INLINE void |
| nvc0_user_vbuf_range(struct nvc0_context *nvc0, int vbi, |
| uint32_t *base, uint32_t *size) |
| { |
| if (unlikely(nvc0->vertex->instance_bufs & (1 << vbi))) { |
| const uint32_t div = nvc0->vertex->min_instance_div[vbi]; |
| *base = nvc0->instance_off * nvc0->vtxbuf[vbi].stride; |
| *size = (nvc0->instance_max / div) * nvc0->vtxbuf[vbi].stride + |
| nvc0->vertex->vb_access_size[vbi]; |
| } else { |
| /* NOTE: if there are user buffers, we *must* have index bounds */ |
| assert(nvc0->vb_elt_limit != ~0); |
| *base = nvc0->vb_elt_first * nvc0->vtxbuf[vbi].stride; |
| *size = nvc0->vb_elt_limit * nvc0->vtxbuf[vbi].stride + |
| nvc0->vertex->vb_access_size[vbi]; |
| } |
| } |
| |
| static INLINE void |
| nvc0_release_user_vbufs(struct nvc0_context *nvc0) |
| { |
| if (nvc0->vbo_user) { |
| nouveau_bufctx_reset(nvc0->bufctx_3d, NVC0_BIND_VTX_TMP); |
| nouveau_scratch_done(&nvc0->base); |
| } |
| } |
| |
| static void |
| nvc0_update_user_vbufs(struct nvc0_context *nvc0) |
| { |
| uint64_t address[PIPE_MAX_ATTRIBS]; |
| struct nouveau_pushbuf *push = nvc0->base.pushbuf; |
| int i; |
| uint32_t written = 0; |
| |
| PUSH_SPACE(push, nvc0->vertex->num_elements * 8); |
| for (i = 0; i < nvc0->vertex->num_elements; ++i) { |
| struct pipe_vertex_element *ve = &nvc0->vertex->element[i].pipe; |
| const unsigned b = ve->vertex_buffer_index; |
| struct pipe_vertex_buffer *vb = &nvc0->vtxbuf[b]; |
| uint32_t base, size; |
| |
| if (!(nvc0->vbo_user & (1 << b))) |
| continue; |
| if (!vb->stride) { |
| nvc0_set_constant_vertex_attrib(nvc0, i); |
| continue; |
| } |
| nvc0_user_vbuf_range(nvc0, b, &base, &size); |
| |
| if (!(written & (1 << b))) { |
| struct nouveau_bo *bo; |
| const uint32_t bo_flags = NOUVEAU_BO_RD | NOUVEAU_BO_GART; |
| written |= 1 << b; |
| address[b] = nouveau_scratch_data(&nvc0->base, vb->user_buffer, |
| base, size, &bo); |
| if (bo) |
| BCTX_REFN_bo(nvc0->bufctx_3d, VTX_TMP, bo_flags, bo); |
| } |
| |
| BEGIN_1IC0(push, NVC0_3D(MACRO_VERTEX_ARRAY_SELECT), 5); |
| PUSH_DATA (push, i); |
| PUSH_DATAh(push, address[b] + base + size - 1); |
| PUSH_DATA (push, address[b] + base + size - 1); |
| PUSH_DATAh(push, address[b] + ve->src_offset); |
| PUSH_DATA (push, address[b] + ve->src_offset); |
| } |
| nvc0->base.vbo_dirty = TRUE; |
| } |
| |
| static void |
| nvc0_update_user_vbufs_shared(struct nvc0_context *nvc0) |
| { |
| struct nouveau_pushbuf *push = nvc0->base.pushbuf; |
| uint32_t mask = nvc0->vbo_user & ~nvc0->constant_vbos; |
| |
| PUSH_SPACE(push, nvc0->num_vtxbufs * 8); |
| while (mask) { |
| struct nouveau_bo *bo; |
| const uint32_t bo_flags = NOUVEAU_BO_RD | NOUVEAU_BO_GART; |
| uint64_t address; |
| uint32_t base, size; |
| const int b = ffs(mask) - 1; |
| mask &= ~(1 << b); |
| |
| nvc0_user_vbuf_range(nvc0, b, &base, &size); |
| |
| address = nouveau_scratch_data(&nvc0->base, nvc0->vtxbuf[b].user_buffer, |
| base, size, &bo); |
| if (bo) |
| BCTX_REFN_bo(nvc0->bufctx_3d, VTX_TMP, bo_flags, bo); |
| |
| BEGIN_1IC0(push, NVC0_3D(MACRO_VERTEX_ARRAY_SELECT), 5); |
| PUSH_DATA (push, b); |
| PUSH_DATAh(push, address + base + size - 1); |
| PUSH_DATA (push, address + base + size - 1); |
| PUSH_DATAh(push, address); |
| PUSH_DATA (push, address); |
| } |
| |
| mask = nvc0->state.constant_elts; |
| while (mask) { |
| int i = ffs(mask) - 1; |
| mask &= ~(1 << i); |
| nvc0_set_constant_vertex_attrib(nvc0, i); |
| } |
| } |
| |
| static void |
| nvc0_validate_vertex_buffers(struct nvc0_context *nvc0) |
| { |
| struct nouveau_pushbuf *push = nvc0->base.pushbuf; |
| const struct nvc0_vertex_stateobj *vertex = nvc0->vertex; |
| uint32_t refd = 0; |
| unsigned i; |
| |
| PUSH_SPACE(push, vertex->num_elements * 8); |
| for (i = 0; i < vertex->num_elements; ++i) { |
| const struct nvc0_vertex_element *ve; |
| const struct pipe_vertex_buffer *vb; |
| struct nv04_resource *res; |
| unsigned b; |
| unsigned limit, offset; |
| |
| if (nvc0->state.constant_elts & (1 << i)) |
| continue; |
| ve = &vertex->element[i]; |
| b = ve->pipe.vertex_buffer_index; |
| vb = &nvc0->vtxbuf[b]; |
| |
| if (!vb->buffer) { |
| if (vb->stride) { |
| if (ve->pipe.instance_divisor) { |
| BEGIN_NVC0(push, NVC0_3D(VERTEX_ARRAY_DIVISOR(i)), 1); |
| PUSH_DATA (push, ve->pipe.instance_divisor); |
| } |
| BEGIN_NVC0(push, NVC0_3D(VERTEX_ARRAY_FETCH(i)), 1); |
| PUSH_DATA (push, (1 << 12) | vb->stride); |
| } |
| /* address/value set in nvc0_update_user_vbufs */ |
| continue; |
| } |
| res = nv04_resource(vb->buffer); |
| offset = ve->pipe.src_offset + vb->buffer_offset; |
| limit = vb->buffer->width0 - 1; |
| |
| if (unlikely(ve->pipe.instance_divisor)) { |
| BEGIN_NVC0(push, NVC0_3D(VERTEX_ARRAY_FETCH(i)), 4); |
| PUSH_DATA (push, (1 << 12) | vb->stride); |
| PUSH_DATAh(push, res->address + offset); |
| PUSH_DATA (push, res->address + offset); |
| PUSH_DATA (push, ve->pipe.instance_divisor); |
| } else { |
| BEGIN_NVC0(push, NVC0_3D(VERTEX_ARRAY_FETCH(i)), 3); |
| PUSH_DATA (push, (1 << 12) | vb->stride); |
| PUSH_DATAh(push, res->address + offset); |
| PUSH_DATA (push, res->address + offset); |
| } |
| BEGIN_NVC0(push, NVC0_3D(VERTEX_ARRAY_LIMIT_HIGH(i)), 2); |
| PUSH_DATAh(push, res->address + limit); |
| PUSH_DATA (push, res->address + limit); |
| |
| if (!(refd & (1 << b))) { |
| refd |= 1 << b; |
| BCTX_REFN(nvc0->bufctx_3d, VTX, res, RD); |
| } |
| } |
| if (nvc0->vbo_user) |
| nvc0_update_user_vbufs(nvc0); |
| } |
| |
| static void |
| nvc0_validate_vertex_buffers_shared(struct nvc0_context *nvc0) |
| { |
| struct nouveau_pushbuf *push = nvc0->base.pushbuf; |
| unsigned b; |
| const uint32_t mask = nvc0->vbo_user; |
| |
| PUSH_SPACE(push, nvc0->num_vtxbufs * 8); |
| for (b = 0; b < nvc0->num_vtxbufs; ++b) { |
| struct pipe_vertex_buffer *vb = &nvc0->vtxbuf[b]; |
| struct nv04_resource *buf; |
| uint32_t offset, limit; |
| |
| if (mask & (1 << b)) { |
| if (vb->stride) { |
| BEGIN_NVC0(push, NVC0_3D(VERTEX_ARRAY_FETCH(b)), 1); |
| PUSH_DATA (push, NVC0_3D_VERTEX_ARRAY_FETCH_ENABLE | vb->stride); |
| } |
| /* address/value set in nvc0_update_user_vbufs_shared */ |
| continue; |
| } |
| buf = nv04_resource(vb->buffer); |
| offset = vb->buffer_offset; |
| limit = buf->base.width0 - 1; |
| |
| BEGIN_NVC0(push, NVC0_3D(VERTEX_ARRAY_FETCH(b)), 3); |
| PUSH_DATA (push, NVC0_3D_VERTEX_ARRAY_FETCH_ENABLE | vb->stride); |
| PUSH_DATAh(push, buf->address + offset); |
| PUSH_DATA (push, buf->address + offset); |
| BEGIN_NVC0(push, NVC0_3D(VERTEX_ARRAY_LIMIT_HIGH(b)), 2); |
| PUSH_DATAh(push, buf->address + limit); |
| PUSH_DATA (push, buf->address + limit); |
| |
| BCTX_REFN(nvc0->bufctx_3d, VTX, buf, RD); |
| } |
| if (nvc0->vbo_user) |
| nvc0_update_user_vbufs_shared(nvc0); |
| } |
| |
| void |
| nvc0_vertex_arrays_validate(struct nvc0_context *nvc0) |
| { |
| struct nouveau_pushbuf *push = nvc0->base.pushbuf; |
| struct nvc0_vertex_stateobj *vertex = nvc0->vertex; |
| struct nvc0_vertex_element *ve; |
| uint32_t const_vbos; |
| unsigned i; |
| uint8_t vbo_mode; |
| boolean update_vertex; |
| |
| nouveau_bufctx_reset(nvc0->bufctx_3d, NVC0_BIND_VTX); |
| |
| if (unlikely(vertex->need_conversion) || |
| unlikely(nvc0->vertprog->vp.edgeflag < PIPE_MAX_ATTRIBS)) { |
| vbo_mode = 3; |
| } else { |
| vbo_mode = (nvc0->vbo_user && nvc0->vbo_push_hint) ? 1 : 0; |
| } |
| const_vbos = vbo_mode ? 0 : nvc0->constant_vbos; |
| |
| update_vertex = (nvc0->dirty & NVC0_NEW_VERTEX) || |
| (const_vbos != nvc0->state.constant_vbos) || |
| (vbo_mode != nvc0->state.vbo_mode); |
| |
| if (update_vertex) { |
| const unsigned n = MAX2(vertex->num_elements, nvc0->state.num_vtxelts); |
| |
| nvc0->state.constant_vbos = const_vbos; |
| nvc0->state.constant_elts = 0; |
| nvc0->state.num_vtxelts = vertex->num_elements; |
| nvc0->state.vbo_mode = vbo_mode; |
| |
| if (unlikely(vbo_mode)) { |
| if (unlikely(nvc0->state.instance_elts & 3)) { |
| /* translate mode uses only 2 vertex buffers */ |
| nvc0->state.instance_elts &= ~3; |
| PUSH_SPACE(push, 3); |
| BEGIN_NVC0(push, NVC0_3D(VERTEX_ARRAY_PER_INSTANCE(0)), 2); |
| PUSH_DATA (push, 0); |
| PUSH_DATA (push, 0); |
| } |
| |
| PUSH_SPACE(push, n * 2 + 4); |
| |
| BEGIN_NVC0(push, NVC0_3D(VERTEX_ATTRIB_FORMAT(0)), n); |
| for (i = 0; i < vertex->num_elements; ++i) |
| PUSH_DATA(push, vertex->element[i].state_alt); |
| for (; i < n; ++i) |
| PUSH_DATA(push, NVC0_3D_VERTEX_ATTRIB_INACTIVE); |
| |
| BEGIN_NVC0(push, NVC0_3D(VERTEX_ARRAY_FETCH(0)), 1); |
| PUSH_DATA (push, (1 << 12) | vertex->size); |
| for (i = 1; i < n; ++i) |
| IMMED_NVC0(push, NVC0_3D(VERTEX_ARRAY_FETCH(i)), 0); |
| } else { |
| uint32_t *restrict data; |
| |
| if (unlikely(vertex->instance_elts != nvc0->state.instance_elts)) { |
| nvc0->state.instance_elts = vertex->instance_elts; |
| assert(n); /* if (n == 0), both masks should be 0 */ |
| PUSH_SPACE(push, 3); |
| BEGIN_NVC0(push, NVC0_3D(MACRO_VERTEX_ARRAY_PER_INSTANCE), 2); |
| PUSH_DATA (push, n); |
| PUSH_DATA (push, vertex->instance_elts); |
| } |
| |
| PUSH_SPACE(push, n * 2 + 1); |
| BEGIN_NVC0(push, NVC0_3D(VERTEX_ATTRIB_FORMAT(0)), n); |
| data = push->cur; |
| push->cur += n; |
| for (i = 0; i < vertex->num_elements; ++i) { |
| ve = &vertex->element[i]; |
| data[i] = ve->state; |
| if (unlikely(const_vbos & (1 << ve->pipe.vertex_buffer_index))) { |
| nvc0->state.constant_elts |= 1 << i; |
| data[i] |= NVC0_3D_VERTEX_ATTRIB_FORMAT_CONST; |
| IMMED_NVC0(push, NVC0_3D(VERTEX_ARRAY_FETCH(i)), 0); |
| } |
| } |
| for (; i < n; ++i) { |
| data[i] = NVC0_3D_VERTEX_ATTRIB_INACTIVE; |
| IMMED_NVC0(push, NVC0_3D(VERTEX_ARRAY_FETCH(i)), 0); |
| } |
| } |
| } |
| if (nvc0->state.vbo_mode) /* using translate, don't set up arrays here */ |
| return; |
| |
| if (vertex->shared_slots) |
| nvc0_validate_vertex_buffers_shared(nvc0); |
| else |
| nvc0_validate_vertex_buffers(nvc0); |
| } |
| |
| void |
| nvc0_idxbuf_validate(struct nvc0_context *nvc0) |
| { |
| struct nouveau_pushbuf *push = nvc0->base.pushbuf; |
| struct nv04_resource *buf = nv04_resource(nvc0->idxbuf.buffer); |
| |
| assert(buf); |
| assert(nouveau_resource_mapped_by_gpu(&buf->base)); |
| |
| PUSH_SPACE(push, 6); |
| BEGIN_NVC0(push, NVC0_3D(INDEX_ARRAY_START_HIGH), 5); |
| PUSH_DATAh(push, buf->address + nvc0->idxbuf.offset); |
| PUSH_DATA (push, buf->address + nvc0->idxbuf.offset); |
| PUSH_DATAh(push, buf->address + buf->base.width0 - 1); |
| PUSH_DATA (push, buf->address + buf->base.width0 - 1); |
| PUSH_DATA (push, nvc0->idxbuf.index_size >> 1); |
| |
| BCTX_REFN(nvc0->bufctx_3d, IDX, buf, RD); |
| } |
| |
| #define NVC0_PRIM_GL_CASE(n) \ |
| case PIPE_PRIM_##n: return NVC0_3D_VERTEX_BEGIN_GL_PRIMITIVE_##n |
| |
| static INLINE unsigned |
| nvc0_prim_gl(unsigned prim) |
| { |
| switch (prim) { |
| NVC0_PRIM_GL_CASE(POINTS); |
| NVC0_PRIM_GL_CASE(LINES); |
| NVC0_PRIM_GL_CASE(LINE_LOOP); |
| NVC0_PRIM_GL_CASE(LINE_STRIP); |
| NVC0_PRIM_GL_CASE(TRIANGLES); |
| NVC0_PRIM_GL_CASE(TRIANGLE_STRIP); |
| NVC0_PRIM_GL_CASE(TRIANGLE_FAN); |
| NVC0_PRIM_GL_CASE(QUADS); |
| NVC0_PRIM_GL_CASE(QUAD_STRIP); |
| NVC0_PRIM_GL_CASE(POLYGON); |
| NVC0_PRIM_GL_CASE(LINES_ADJACENCY); |
| NVC0_PRIM_GL_CASE(LINE_STRIP_ADJACENCY); |
| NVC0_PRIM_GL_CASE(TRIANGLES_ADJACENCY); |
| NVC0_PRIM_GL_CASE(TRIANGLE_STRIP_ADJACENCY); |
| /* |
| NVC0_PRIM_GL_CASE(PATCHES); */ |
| default: |
| return NVC0_3D_VERTEX_BEGIN_GL_PRIMITIVE_POINTS; |
| } |
| } |
| |
| static void |
| nvc0_draw_vbo_kick_notify(struct nouveau_pushbuf *push) |
| { |
| struct nvc0_screen *screen = push->user_priv; |
| |
| nouveau_fence_update(&screen->base, TRUE); |
| } |
| |
| static void |
| nvc0_draw_arrays(struct nvc0_context *nvc0, |
| unsigned mode, unsigned start, unsigned count, |
| unsigned instance_count) |
| { |
| struct nouveau_pushbuf *push = nvc0->base.pushbuf; |
| unsigned prim; |
| |
| if (nvc0->state.index_bias) { |
| PUSH_SPACE(push, 1); |
| IMMED_NVC0(push, NVC0_3D(VB_ELEMENT_BASE), 0); |
| nvc0->state.index_bias = 0; |
| } |
| |
| prim = nvc0_prim_gl(mode); |
| |
| while (instance_count--) { |
| PUSH_SPACE(push, 6); |
| BEGIN_NVC0(push, NVC0_3D(VERTEX_BEGIN_GL), 1); |
| PUSH_DATA (push, prim); |
| BEGIN_NVC0(push, NVC0_3D(VERTEX_BUFFER_FIRST), 2); |
| PUSH_DATA (push, start); |
| PUSH_DATA (push, count); |
| IMMED_NVC0(push, NVC0_3D(VERTEX_END_GL), 0); |
| |
| prim |= NVC0_3D_VERTEX_BEGIN_GL_INSTANCE_NEXT; |
| } |
| } |
| |
| static void |
| nvc0_draw_elements_inline_u08(struct nouveau_pushbuf *push, const uint8_t *map, |
| unsigned start, unsigned count) |
| { |
| map += start; |
| |
| if (count & 3) { |
| unsigned i; |
| PUSH_SPACE(push, 4); |
| BEGIN_NIC0(push, NVC0_3D(VB_ELEMENT_U32), count & 3); |
| for (i = 0; i < (count & 3); ++i) |
| PUSH_DATA(push, *map++); |
| count &= ~3; |
| } |
| while (count) { |
| unsigned i, nr = MIN2(count, NV04_PFIFO_MAX_PACKET_LEN * 4) / 4; |
| |
| PUSH_SPACE(push, nr + 1); |
| BEGIN_NIC0(push, NVC0_3D(VB_ELEMENT_U8), nr); |
| for (i = 0; i < nr; ++i) { |
| PUSH_DATA(push, |
| (map[3] << 24) | (map[2] << 16) | (map[1] << 8) | map[0]); |
| map += 4; |
| } |
| count -= nr * 4; |
| } |
| } |
| |
| static void |
| nvc0_draw_elements_inline_u16(struct nouveau_pushbuf *push, const uint16_t *map, |
| unsigned start, unsigned count) |
| { |
| map += start; |
| |
| if (count & 1) { |
| count &= ~1; |
| PUSH_SPACE(push, 2); |
| BEGIN_NVC0(push, NVC0_3D(VB_ELEMENT_U32), 1); |
| PUSH_DATA (push, *map++); |
| } |
| while (count) { |
| unsigned i, nr = MIN2(count, NV04_PFIFO_MAX_PACKET_LEN * 2) / 2; |
| |
| PUSH_SPACE(push, nr + 1); |
| BEGIN_NIC0(push, NVC0_3D(VB_ELEMENT_U16), nr); |
| for (i = 0; i < nr; ++i) { |
| PUSH_DATA(push, (map[1] << 16) | map[0]); |
| map += 2; |
| } |
| count -= nr * 2; |
| } |
| } |
| |
| static void |
| nvc0_draw_elements_inline_u32(struct nouveau_pushbuf *push, const uint32_t *map, |
| unsigned start, unsigned count) |
| { |
| map += start; |
| |
| while (count) { |
| const unsigned nr = MIN2(count, NV04_PFIFO_MAX_PACKET_LEN); |
| |
| PUSH_SPACE(push, nr + 1); |
| BEGIN_NIC0(push, NVC0_3D(VB_ELEMENT_U32), nr); |
| PUSH_DATAp(push, map, nr); |
| |
| map += nr; |
| count -= nr; |
| } |
| } |
| |
| static void |
| nvc0_draw_elements_inline_u32_short(struct nouveau_pushbuf *push, |
| const uint32_t *map, |
| unsigned start, unsigned count) |
| { |
| map += start; |
| |
| if (count & 1) { |
| count--; |
| PUSH_SPACE(push, 1); |
| BEGIN_NVC0(push, NVC0_3D(VB_ELEMENT_U32), 1); |
| PUSH_DATA (push, *map++); |
| } |
| while (count) { |
| unsigned i, nr = MIN2(count, NV04_PFIFO_MAX_PACKET_LEN * 2) / 2; |
| |
| PUSH_SPACE(push, nr + 1); |
| BEGIN_NIC0(push, NVC0_3D(VB_ELEMENT_U16), nr); |
| for (i = 0; i < nr; ++i) { |
| PUSH_DATA(push, (map[1] << 16) | map[0]); |
| map += 2; |
| } |
| count -= nr * 2; |
| } |
| } |
| |
| static void |
| nvc0_draw_elements(struct nvc0_context *nvc0, boolean shorten, |
| unsigned mode, unsigned start, unsigned count, |
| unsigned instance_count, int32_t index_bias) |
| { |
| struct nouveau_pushbuf *push = nvc0->base.pushbuf; |
| unsigned prim; |
| const unsigned index_size = nvc0->idxbuf.index_size; |
| |
| prim = nvc0_prim_gl(mode); |
| |
| if (index_bias != nvc0->state.index_bias) { |
| PUSH_SPACE(push, 2); |
| BEGIN_NVC0(push, NVC0_3D(VB_ELEMENT_BASE), 1); |
| PUSH_DATA (push, index_bias); |
| nvc0->state.index_bias = index_bias; |
| } |
| |
| if (nvc0->idxbuf.buffer) { |
| PUSH_SPACE(push, 1); |
| IMMED_NVC0(push, NVC0_3D(VERTEX_BEGIN_GL), prim); |
| do { |
| PUSH_SPACE(push, 7); |
| BEGIN_NVC0(push, NVC0_3D(INDEX_BATCH_FIRST), 2); |
| PUSH_DATA (push, start); |
| PUSH_DATA (push, count); |
| if (--instance_count) { |
| BEGIN_NVC0(push, NVC0_3D(VERTEX_END_GL), 2); |
| PUSH_DATA (push, 0); |
| PUSH_DATA (push, prim | NVC0_3D_VERTEX_BEGIN_GL_INSTANCE_NEXT); |
| } |
| } while (instance_count); |
| IMMED_NVC0(push, NVC0_3D(VERTEX_END_GL), 0); |
| } else { |
| const void *data = nvc0->idxbuf.user_buffer; |
| |
| while (instance_count--) { |
| PUSH_SPACE(push, 2); |
| BEGIN_NVC0(push, NVC0_3D(VERTEX_BEGIN_GL), 1); |
| PUSH_DATA (push, prim); |
| switch (index_size) { |
| case 1: |
| nvc0_draw_elements_inline_u08(push, data, start, count); |
| break; |
| case 2: |
| nvc0_draw_elements_inline_u16(push, data, start, count); |
| break; |
| case 4: |
| if (shorten) |
| nvc0_draw_elements_inline_u32_short(push, data, start, count); |
| else |
| nvc0_draw_elements_inline_u32(push, data, start, count); |
| break; |
| default: |
| assert(0); |
| return; |
| } |
| PUSH_SPACE(push, 1); |
| IMMED_NVC0(push, NVC0_3D(VERTEX_END_GL), 0); |
| |
| prim |= NVC0_3D_VERTEX_BEGIN_GL_INSTANCE_NEXT; |
| } |
| } |
| } |
| |
| static void |
| nvc0_draw_stream_output(struct nvc0_context *nvc0, |
| const struct pipe_draw_info *info) |
| { |
| struct nouveau_pushbuf *push = nvc0->base.pushbuf; |
| struct nvc0_so_target *so = nvc0_so_target(info->count_from_stream_output); |
| struct nv04_resource *res = nv04_resource(so->pipe.buffer); |
| unsigned mode = nvc0_prim_gl(info->mode); |
| unsigned num_instances = info->instance_count; |
| |
| if (res->status & NOUVEAU_BUFFER_STATUS_GPU_WRITING) { |
| res->status &= ~NOUVEAU_BUFFER_STATUS_GPU_WRITING; |
| PUSH_SPACE(push, 2); |
| IMMED_NVC0(push, NVC0_3D(SERIALIZE), 0); |
| nvc0_query_fifo_wait(push, so->pq); |
| IMMED_NVC0(push, NVC0_3D(VERTEX_ARRAY_FLUSH), 0); |
| } |
| |
| while (num_instances--) { |
| PUSH_SPACE(push, 8); |
| BEGIN_NVC0(push, NVC0_3D(VERTEX_BEGIN_GL), 1); |
| PUSH_DATA (push, mode); |
| BEGIN_NVC0(push, NVC0_3D(DRAW_TFB_BASE), 1); |
| PUSH_DATA (push, 0); |
| BEGIN_NVC0(push, NVC0_3D(DRAW_TFB_STRIDE), 1); |
| PUSH_DATA (push, so->stride); |
| BEGIN_NVC0(push, NVC0_3D(DRAW_TFB_BYTES), 1); |
| nvc0_query_pushbuf_submit(push, so->pq, 0x4); |
| IMMED_NVC0(push, NVC0_3D(VERTEX_END_GL), 0); |
| |
| mode |= NVC0_3D_VERTEX_BEGIN_GL_INSTANCE_NEXT; |
| } |
| } |
| |
| void |
| nvc0_draw_vbo(struct pipe_context *pipe, const struct pipe_draw_info *info) |
| { |
| struct nvc0_context *nvc0 = nvc0_context(pipe); |
| struct nouveau_pushbuf *push = nvc0->base.pushbuf; |
| |
| /* NOTE: caller must ensure that (min_index + index_bias) is >= 0 */ |
| nvc0->vb_elt_first = info->min_index + info->index_bias; |
| nvc0->vb_elt_limit = info->max_index - info->min_index; |
| nvc0->instance_off = info->start_instance; |
| nvc0->instance_max = info->instance_count - 1; |
| |
| /* For picking only a few vertices from a large user buffer, push is better, |
| * if index count is larger and we expect repeated vertices, suggest upload. |
| */ |
| nvc0->vbo_push_hint = |
| info->indexed && (nvc0->vb_elt_limit >= (info->count * 2)); |
| |
| /* Check whether we want to switch vertex-submission mode. */ |
| if (nvc0->vbo_user && !(nvc0->dirty & (NVC0_NEW_ARRAYS | NVC0_NEW_VERTEX))) { |
| if (nvc0->vbo_push_hint != !!nvc0->state.vbo_mode) |
| if (nvc0->state.vbo_mode != 3) |
| nvc0->dirty |= NVC0_NEW_ARRAYS; |
| |
| if (!(nvc0->dirty & NVC0_NEW_ARRAYS) && nvc0->state.vbo_mode == 0) { |
| if (nvc0->vertex->shared_slots) |
| nvc0_update_user_vbufs_shared(nvc0); |
| else |
| nvc0_update_user_vbufs(nvc0); |
| } |
| } |
| |
| /* 8 as minimum to avoid immediate double validation of new buffers */ |
| nvc0_state_validate(nvc0, ~0, 8); |
| |
| push->kick_notify = nvc0_draw_vbo_kick_notify; |
| |
| if (nvc0->state.vbo_mode) { |
| nvc0_push_vbo(nvc0, info); |
| push->kick_notify = nvc0_default_kick_notify; |
| return; |
| } |
| |
| /* space for base instance, flush, and prim restart */ |
| PUSH_SPACE(push, 8); |
| |
| if (nvc0->state.instance_base != info->start_instance) { |
| nvc0->state.instance_base = info->start_instance; |
| /* NOTE: this does not affect the shader input, should it ? */ |
| BEGIN_NVC0(push, NVC0_3D(VB_INSTANCE_BASE), 1); |
| PUSH_DATA (push, info->start_instance); |
| } |
| |
| if (nvc0->base.vbo_dirty) { |
| IMMED_NVC0(push, NVC0_3D(VERTEX_ARRAY_FLUSH), 0); |
| nvc0->base.vbo_dirty = FALSE; |
| } |
| |
| if (info->indexed) { |
| boolean shorten = info->max_index <= 65535; |
| |
| if (info->primitive_restart != nvc0->state.prim_restart) { |
| if (info->primitive_restart) { |
| BEGIN_NVC0(push, NVC0_3D(PRIM_RESTART_ENABLE), 2); |
| PUSH_DATA (push, 1); |
| PUSH_DATA (push, info->restart_index); |
| |
| if (info->restart_index > 65535) |
| shorten = FALSE; |
| } else { |
| IMMED_NVC0(push, NVC0_3D(PRIM_RESTART_ENABLE), 0); |
| } |
| nvc0->state.prim_restart = info->primitive_restart; |
| } else |
| if (info->primitive_restart) { |
| BEGIN_NVC0(push, NVC0_3D(PRIM_RESTART_INDEX), 1); |
| PUSH_DATA (push, info->restart_index); |
| |
| if (info->restart_index > 65535) |
| shorten = FALSE; |
| } |
| |
| nvc0_draw_elements(nvc0, shorten, |
| info->mode, info->start, info->count, |
| info->instance_count, info->index_bias); |
| } else |
| if (unlikely(info->count_from_stream_output)) { |
| nvc0_draw_stream_output(nvc0, info); |
| } else { |
| nvc0_draw_arrays(nvc0, |
| info->mode, info->start, info->count, |
| info->instance_count); |
| } |
| push->kick_notify = nvc0_default_kick_notify; |
| |
| nvc0_release_user_vbufs(nvc0); |
| } |
