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Diffstat (limited to 'src/gallium/drivers/nv30/nv30_draw.c')
-rw-r--r--src/gallium/drivers/nv30/nv30_draw.c496
1 files changed, 496 insertions, 0 deletions
diff --git a/src/gallium/drivers/nv30/nv30_draw.c b/src/gallium/drivers/nv30/nv30_draw.c
new file mode 100644
index 00000000000..61e324606f2
--- /dev/null
+++ b/src/gallium/drivers/nv30/nv30_draw.c
@@ -0,0 +1,496 @@
+/*
+ * Copyright 2012 Red Hat Inc.
+ *
+ * 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.
+ *
+ * Authors: Ben Skeggs
+ *
+ */
+
+#include "draw/draw_context.h"
+#include "draw/draw_vertex.h"
+#include "draw/draw_pipe.h"
+#include "draw/draw_vbuf.h"
+#include "draw/draw_private.h"
+
+#include "nouveau/nv_object.xml.h"
+#include "nv30-40_3d.xml.h"
+#include "nv30_context.h"
+#include "nv30_format.h"
+
+struct nv30_render {
+ struct vbuf_render base;
+ struct nv30_context *nv30;
+
+ struct pipe_transfer *transfer;
+ struct pipe_resource *buffer;
+ unsigned offset;
+ unsigned length;
+
+ struct vertex_info vertex_info;
+
+ struct nouveau_heap *vertprog;
+ uint32_t vtxprog[16][4];
+ uint32_t vtxfmt[16];
+ uint32_t vtxptr[16];
+ uint32_t prim;
+};
+
+static INLINE struct nv30_render *
+nv30_render(struct vbuf_render *render)
+{
+ return (struct nv30_render *)render;
+}
+
+static const struct vertex_info *
+nv30_render_get_vertex_info(struct vbuf_render *render)
+{
+ return &nv30_render(render)->vertex_info;
+}
+
+static boolean
+nv30_render_allocate_vertices(struct vbuf_render *render,
+ ushort vertex_size, ushort nr_vertices)
+{
+ struct nv30_render *r = nv30_render(render);
+ struct nv30_context *nv30 = r->nv30;
+
+ r->length = vertex_size * nr_vertices;
+
+ if (r->offset + r->length >= render->max_vertex_buffer_bytes) {
+ pipe_resource_reference(&r->buffer, NULL);
+ r->buffer = pipe_buffer_create(&nv30->screen->base.base,
+ PIPE_BIND_VERTEX_BUFFER, 0,
+ render->max_vertex_buffer_bytes);
+ if (!r->buffer)
+ return FALSE;
+
+ r->offset = 0;
+ }
+
+ return TRUE;
+}
+
+static void *
+nv30_render_map_vertices(struct vbuf_render *render)
+{
+ struct nv30_render *r = nv30_render(render);
+ char *map = pipe_buffer_map(&r->nv30->base.pipe, r->buffer,
+ PIPE_TRANSFER_WRITE |
+ PIPE_TRANSFER_UNSYNCHRONIZED, &r->transfer);
+ return map + r->offset;
+}
+
+static void
+nv30_render_unmap_vertices(struct vbuf_render *render,
+ ushort min_index, ushort max_index)
+{
+ struct nv30_render *r = nv30_render(render);
+ pipe_buffer_unmap(&r->nv30->base.pipe, r->transfer);
+}
+
+static void
+nv30_render_set_primitive(struct vbuf_render *render, unsigned prim)
+{
+ struct nv30_render *r = nv30_render(render);
+
+ r->prim = nv30_prim_gl(prim);
+}
+
+static void
+nv30_render_draw_elements(struct vbuf_render *render,
+ const ushort *indices, uint count)
+{
+ struct nv30_render *r = nv30_render(render);
+ struct nv30_context *nv30 = r->nv30;
+ struct nouveau_pushbuf *push = nv30->screen->base.pushbuf;
+ unsigned i;
+
+ BEGIN_NV04(push, NV30_3D(VTXBUF(0)), r->vertex_info.num_attribs);
+ for (i = 0; i < r->vertex_info.num_attribs; i++) {
+ PUSH_RESRC(push, NV30_3D(VTXBUF(i)), BUFCTX_VTXTMP,
+ nv04_resource(r->buffer), r->offset + r->vtxptr[i],
+ NOUVEAU_BO_LOW | NOUVEAU_BO_RD, 0, 0);
+ }
+
+ if (!nv30_state_validate(nv30, FALSE))
+ return;
+
+ BEGIN_NV04(push, NV30_3D(VERTEX_BEGIN_END), 1);
+ PUSH_DATA (push, r->prim);
+
+ if (count & 1) {
+ BEGIN_NV04(push, NV30_3D(VB_ELEMENT_U32), 1);
+ PUSH_DATA (push, *indices++);
+ }
+
+ count >>= 1;
+ while (count) {
+ unsigned npush = MIN2(count, NV04_PFIFO_MAX_PACKET_LEN);
+ count -= npush;
+
+ BEGIN_NI04(push, NV30_3D(VB_ELEMENT_U16), npush);
+ while (npush--) {
+ PUSH_DATA(push, (indices[1] << 16) | indices[0]);
+ indices += 2;
+ }
+ }
+
+ BEGIN_NV04(push, NV30_3D(VERTEX_BEGIN_END), 1);
+ PUSH_DATA (push, NV30_3D_VERTEX_BEGIN_END_STOP);
+ PUSH_RESET(push, BUFCTX_VTXTMP);
+}
+
+static void
+nv30_render_draw_arrays(struct vbuf_render *render, unsigned start, uint nr)
+{
+ struct nv30_render *r = nv30_render(render);
+ struct nv30_context *nv30 = r->nv30;
+ struct nouveau_pushbuf *push = nv30->base.pushbuf;
+ unsigned fn = nr >> 8, pn = nr & 0xff;
+ unsigned ps = fn + (pn ? 1 : 0);
+ unsigned i;
+
+ BEGIN_NV04(push, NV30_3D(VTXBUF(0)), r->vertex_info.num_attribs);
+ for (i = 0; i < r->vertex_info.num_attribs; i++) {
+ PUSH_RESRC(push, NV30_3D(VTXBUF(i)), BUFCTX_VTXTMP,
+ nv04_resource(r->buffer), r->offset + r->vtxptr[i],
+ NOUVEAU_BO_LOW | NOUVEAU_BO_RD, 0, 0);
+ }
+
+ if (!nv30_state_validate(nv30, FALSE))
+ return;
+
+ BEGIN_NV04(push, NV30_3D(VERTEX_BEGIN_END), 1);
+ PUSH_DATA (push, r->prim);
+
+ BEGIN_NI04(push, NV30_3D(VB_VERTEX_BATCH), ps);
+ while (fn--) {
+ PUSH_DATA (push, 0xff000000 | start);
+ start += 256;
+ }
+
+ if (pn)
+ PUSH_DATA (push, ((pn - 1) << 24) | start);
+
+ BEGIN_NV04(push, NV30_3D(VERTEX_BEGIN_END), 1);
+ PUSH_DATA (push, NV30_3D_VERTEX_BEGIN_END_STOP);
+ PUSH_RESET(push, BUFCTX_VTXTMP);
+}
+
+static void
+nv30_render_release_vertices(struct vbuf_render *render)
+{
+ struct nv30_render *r = nv30_render(render);
+ r->offset += r->length;
+}
+
+static const struct {
+ unsigned emit;
+ unsigned interp;
+ unsigned vp30;
+ unsigned vp40;
+ unsigned ow40;
+} vroute [] = {
+ [TGSI_SEMANTIC_POSITION] = { EMIT_4F, INTERP_PERSPECTIVE, 0, 0, 0x00000000 },
+ [TGSI_SEMANTIC_COLOR ] = { EMIT_4F, INTERP_LINEAR , 3, 1, 0x00000001 },
+ [TGSI_SEMANTIC_BCOLOR ] = { EMIT_4F, INTERP_LINEAR , 1, 3, 0x00000004 },
+ [TGSI_SEMANTIC_FOG ] = { EMIT_4F, INTERP_PERSPECTIVE, 5, 5, 0x00000010 },
+ [TGSI_SEMANTIC_PSIZE ] = { EMIT_1F_PSIZE, INTERP_POS , 6, 6, 0x00000020 },
+ [TGSI_SEMANTIC_GENERIC ] = { EMIT_4F, INTERP_PERSPECTIVE, 8, 7, 0x00004000 }
+};
+
+static boolean
+vroute_add(struct nv30_render *r, uint attrib, uint sem, uint *idx)
+{
+ struct pipe_screen *pscreen = &r->nv30->screen->base.base;
+ struct nv30_fragprog *fp = r->nv30->fragprog.program;
+ struct vertex_info *vinfo = &r->vertex_info;
+ enum pipe_format format;
+ uint emit = EMIT_OMIT;
+ uint result = *idx;
+
+ if (sem == TGSI_SEMANTIC_GENERIC && result >= 8) {
+ for (result = 0; result < 8; result++) {
+ if (fp->texcoord[result] == *idx) {
+ emit = vroute[sem].emit;
+ break;
+ }
+ }
+ } else {
+ emit = vroute[sem].emit;
+ }
+
+ if (emit == EMIT_OMIT)
+ return FALSE;
+
+ draw_emit_vertex_attr(vinfo, emit, vroute[sem].interp, attrib);
+ format = draw_translate_vinfo_format(emit);
+
+ r->vtxfmt[attrib] = nv30_vtxfmt(pscreen, format)->hw;
+ r->vtxptr[attrib] = vinfo->size | NV30_3D_VTXBUF_DMA1;
+ vinfo->size += draw_translate_vinfo_size(emit);
+
+ if (nv30_screen(pscreen)->eng3d->oclass < NV40_3D_CLASS) {
+ r->vtxprog[attrib][0] = 0x001f38d8;
+ r->vtxprog[attrib][1] = 0x0080001b | (attrib << 9);
+ r->vtxprog[attrib][2] = 0x0836106c;
+ r->vtxprog[attrib][3] = 0x2000f800 | (result + vroute[sem].vp30) << 2;
+ } else {
+ r->vtxprog[attrib][0] = 0x401f9c6c;
+ r->vtxprog[attrib][1] = 0x0040000d | (attrib << 8);
+ r->vtxprog[attrib][2] = 0x8106c083;
+ r->vtxprog[attrib][3] = 0x6041ff80 | (result + vroute[sem].vp40) << 2;
+ }
+
+ *idx = vroute[sem].ow40 << result;
+ return TRUE;
+}
+
+static boolean
+nv30_render_validate(struct nv30_context *nv30)
+{
+ struct nv30_render *r = nv30_render(nv30->draw->render);
+ struct nv30_rasterizer_stateobj *rast = nv30->rast;
+ struct pipe_screen *pscreen = &nv30->screen->base.base;
+ struct nouveau_pushbuf *push = nv30->screen->base.pushbuf;
+ struct nouveau_object *eng3d = nv30->screen->eng3d;
+ struct nv30_vertprog *vp = nv30->vertprog.program;
+ struct vertex_info *vinfo = &r->vertex_info;
+ unsigned vp_attribs = 0;
+ unsigned vp_results = 0;
+ unsigned attrib = 0;
+ unsigned pntc;
+ int i;
+
+ if (!r->vertprog) {
+ struct nouveau_heap *heap = nv30_screen(pscreen)->vp_exec_heap;
+ if (nouveau_heap_alloc(heap, 16, &r->vertprog, &r->vertprog)) {
+ while (heap->next && heap->size < 16) {
+ struct nouveau_heap **evict = heap->next->priv;
+ nouveau_heap_free(evict);
+ }
+
+ if (nouveau_heap_alloc(heap, 16, &r->vertprog, &r->vertprog))
+ return FALSE;
+ }
+ }
+
+ vinfo->num_attribs = 0;
+ vinfo->size = 0;
+
+ /* setup routing for all necessary vp outputs */
+ for (i = 0; i < vp->info.num_outputs && attrib < 16; i++) {
+ uint semantic = vp->info.output_semantic_name[i];
+ uint index = vp->info.output_semantic_index[i];
+ if (vroute_add(r, attrib, semantic, &index)) {
+ vp_attribs |= (1 << attrib++);
+ vp_results |= index;
+ }
+ }
+
+ /* setup routing for replaced point coords not written by vp */
+ if (rast && rast->pipe.point_quad_rasterization)
+ pntc = rast->pipe.sprite_coord_enable & 0x000002ff;
+ else
+ pntc = 0;
+
+ while (pntc && attrib < 16) {
+ uint index = ffs(pntc) - 1; pntc &= ~(1 << index);
+ if (vroute_add(r, attrib, TGSI_SEMANTIC_GENERIC, &index)) {
+ vp_attribs |= (1 << attrib++);
+ vp_results |= index;
+ }
+ }
+
+ /* modify vertex format for correct stride, and stub out unused ones */
+ BEGIN_NV04(push, NV30_3D(VP_UPLOAD_FROM_ID), 1);
+ PUSH_DATA (push, r->vertprog->start);
+ r->vtxprog[attrib - 1][3] |= 1;
+ for (i = 0; i < attrib; i++) {
+ BEGIN_NV04(push, NV30_3D(VP_UPLOAD_INST(0)), 4);
+ PUSH_DATAp(push, r->vtxprog[i], 4);
+ r->vtxfmt[i] |= vinfo->size << 8;
+ }
+ for (; i < 16; i++)
+ r->vtxfmt[i] = NV30_3D_VTXFMT_TYPE_V32_FLOAT;
+
+ BEGIN_NV04(push, NV30_3D(VIEWPORT_TRANSLATE_X), 8);
+ PUSH_DATAf(push, 0.0);
+ PUSH_DATAf(push, 0.0);
+ PUSH_DATAf(push, 0.0);
+ PUSH_DATAf(push, 0.0);
+ PUSH_DATAf(push, 1.0);
+ PUSH_DATAf(push, 1.0);
+ PUSH_DATAf(push, 1.0);
+ PUSH_DATAf(push, 1.0);
+ BEGIN_NV04(push, NV30_3D(DEPTH_RANGE_NEAR), 2);
+ PUSH_DATAf(push, 0.0);
+ PUSH_DATAf(push, 1.0);
+
+ BEGIN_NV04(push, NV30_3D(VTXFMT(0)), 16);
+ PUSH_DATAp(push, r->vtxfmt, 16);
+
+ BEGIN_NV04(push, NV30_3D(VP_START_FROM_ID), 1);
+ PUSH_DATA (push, r->vertprog->start);
+ BEGIN_NV04(push, NV30_3D(ENGINE), 1);
+ PUSH_DATA (push, 0x00000103);
+ if (eng3d->oclass >= NV40_3D_CLASS) {
+ BEGIN_NV04(push, NV40_3D(VP_ATTRIB_EN), 2);
+ PUSH_DATA (push, vp_attribs);
+ PUSH_DATA (push, vp_results);
+ }
+
+ vinfo->size /= 4;
+ return TRUE;
+}
+
+void
+nv30_render_vbo(struct pipe_context *pipe, const struct pipe_draw_info *info)
+{
+ struct nv30_context *nv30 = nv30_context(pipe);
+ struct draw_context *draw = nv30->draw;
+ struct pipe_transfer *transfer[PIPE_MAX_ATTRIBS];
+ struct pipe_transfer *transferi = NULL;
+ int i;
+
+ nv30_render_validate(nv30);
+
+ if (nv30->draw_dirty & NV30_NEW_VIEWPORT)
+ draw_set_viewport_state(draw, &nv30->viewport);
+ if (nv30->draw_dirty & NV30_NEW_RASTERIZER)
+ draw_set_rasterizer_state(draw, &nv30->rast->pipe, NULL);
+ if (nv30->draw_dirty & NV30_NEW_CLIP)
+ draw_set_clip_state(draw, &nv30->clip);
+ if (nv30->draw_dirty & NV30_NEW_ARRAYS) {
+ draw_set_vertex_buffers(draw, nv30->num_vtxbufs, nv30->vtxbuf);
+ draw_set_vertex_elements(draw, nv30->vertex->num_elements, nv30->vertex->pipe);
+ }
+ if (nv30->draw_dirty & NV30_NEW_FRAGPROG) {
+ struct nv30_fragprog *fp = nv30->fragprog.program;
+ if (!fp->draw)
+ fp->draw = draw_create_fragment_shader(draw, &fp->pipe);
+ draw_bind_fragment_shader(draw, fp->draw);
+ }
+ if (nv30->draw_dirty & NV30_NEW_VERTPROG) {
+ struct nv30_vertprog *vp = nv30->vertprog.program;
+ if (!vp->draw)
+ vp->draw = draw_create_vertex_shader(draw, &vp->pipe);
+ draw_bind_vertex_shader(draw, vp->draw);
+ }
+ if (nv30->draw_dirty & NV30_NEW_VERTCONST) {
+ if (nv30->vertprog.constbuf) {
+ void *map = nv04_resource(nv30->vertprog.constbuf)->data;
+ draw_set_mapped_constant_buffer(draw, PIPE_SHADER_VERTEX, 0,
+ map, nv30->vertprog.constbuf_nr);
+ }
+ }
+
+ for (i = 0; i < nv30->num_vtxbufs; i++) {
+ void *map = pipe_buffer_map(pipe, nv30->vtxbuf[i].buffer,
+ PIPE_TRANSFER_UNSYNCHRONIZED |
+ PIPE_TRANSFER_READ, &transfer[i]);
+ draw_set_mapped_vertex_buffer(draw, i, map);
+ }
+
+ if (info->indexed) {
+ void *map = pipe_buffer_map(pipe, nv30->idxbuf.buffer,
+ PIPE_TRANSFER_UNSYNCHRONIZED |
+ PIPE_TRANSFER_READ, &transferi);
+ draw_set_index_buffer(draw, &nv30->idxbuf);
+ draw_set_mapped_index_buffer(draw, map);
+ } else {
+ draw_set_mapped_index_buffer(draw, NULL);
+ }
+
+ draw_vbo(draw, info);
+ draw_flush(draw);
+
+ if (info->indexed)
+ pipe_buffer_unmap(pipe, transferi);
+ for (i = 0; i < nv30->num_vtxbufs; i++)
+ pipe_buffer_unmap(pipe, transfer[i]);
+
+ nv30->draw_dirty = 0;
+ nv30_state_release(nv30);
+}
+
+static void
+nv30_render_destroy(struct vbuf_render *render)
+{
+ FREE(render);
+}
+
+static struct vbuf_render *
+nv30_render_create(struct nv30_context *nv30)
+{
+ struct nv30_render *r = CALLOC_STRUCT(nv30_render);
+ if (!r)
+ return NULL;
+
+ r->nv30 = nv30;
+ r->offset = 1 * 1024 * 1024;
+
+ r->base.max_indices = 16 * 1024;
+ r->base.max_vertex_buffer_bytes = r->offset;
+
+ r->base.get_vertex_info = nv30_render_get_vertex_info;
+ r->base.allocate_vertices = nv30_render_allocate_vertices;
+ r->base.map_vertices = nv30_render_map_vertices;
+ r->base.unmap_vertices = nv30_render_unmap_vertices;
+ r->base.set_primitive = nv30_render_set_primitive;
+ r->base.draw_elements = nv30_render_draw_elements;
+ r->base.draw_arrays = nv30_render_draw_arrays;
+ r->base.release_vertices = nv30_render_release_vertices;
+ r->base.destroy = nv30_render_destroy;
+ return &r->base;
+}
+
+void
+nv30_draw_init(struct pipe_context *pipe)
+{
+ struct nv30_context *nv30 = nv30_context(pipe);
+ struct vbuf_render *render;
+ struct draw_context *draw;
+ struct draw_stage *stage;
+
+ draw = draw_create(pipe);
+ if (!draw)
+ return;
+
+ render = nv30_render_create(nv30);
+ if (!render) {
+ draw_destroy(draw);
+ return;
+ }
+
+ stage = draw_vbuf_stage(draw, render);
+ if (!stage) {
+ render->destroy(render);
+ draw_destroy(draw);
+ return;
+ }
+
+ draw_set_render(draw, render);
+ draw_set_rasterize_stage(draw, stage);
+ draw_wide_line_threshold(draw, 10000000.f);
+ draw_wide_point_threshold(draw, 10000000.f);
+ draw_wide_point_sprites(draw, TRUE);
+ nv30->draw = draw;
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-28 11:38:49 +0000