diff options
Diffstat (limited to 'src/gallium/drivers/nv20/nv20_prim_vbuf.c')
-rw-r--r-- | src/gallium/drivers/nv20/nv20_prim_vbuf.c | 440 |
1 files changed, 0 insertions, 440 deletions
diff --git a/src/gallium/drivers/nv20/nv20_prim_vbuf.c b/src/gallium/drivers/nv20/nv20_prim_vbuf.c deleted file mode 100644 index 581276ba22..0000000000 --- a/src/gallium/drivers/nv20/nv20_prim_vbuf.c +++ /dev/null @@ -1,440 +0,0 @@ -/************************************************************************** - * - * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas. - * All Rights Reserved. - * - * 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, sub license, 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 (including the - * next paragraph) 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 NON-INFRINGEMENT. - * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS 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. - * - **************************************************************************/ - -/** - * \file - * Build post-transformation, post-clipping vertex buffers and element - * lists by hooking into the end of the primitive pipeline and - * manipulating the vertex_id field in the vertex headers. - * - * XXX: work in progress - * - * \author José Fonseca <jrfonseca@tungstengraphics.com> - * \author Keith Whitwell <keith@tungstengraphics.com> - */ - - -#include "util/u_debug.h" -#include "util/u_inlines.h" -#include "util/u_simple_screen.h" - -#include "nv20_context.h" -#include "nv20_state.h" - -#include "draw/draw_vbuf.h" - -/** - * Primitive renderer for nv20. - */ -struct nv20_vbuf_render { - struct vbuf_render base; - - struct nv20_context *nv20; - - /** Vertex buffer in VRAM */ - struct pipe_buffer *pbuffer; - - /** Vertex buffer in normal memory */ - void *mbuffer; - - /** Vertex size in bytes */ - /*unsigned vertex_size;*/ - - /** Hardware primitive */ - unsigned hwprim; -}; - -/** - * Basically a cast wrapper. - */ -static INLINE struct nv20_vbuf_render * -nv20_vbuf_render(struct vbuf_render *render) -{ - assert(render); - return (struct nv20_vbuf_render *)render; -} - -void nv20_vtxbuf_bind( struct nv20_context* nv20 ) -{ -#if 0 - struct nv20_screen *screen = nv20->screen; - struct nouveau_channel *chan = screen->base.channel; - struct nouveau_grobj *kelvin = screen->kelvin; - int i; - for(i = 0; i < NV20TCL_VTXBUF_ADDRESS__SIZE; i++) { - BEGIN_RING(chan, kelvin, NV20TCL_VTXBUF_ADDRESS(i), 1); - OUT_RING(chan, 0/*nv20->vtxbuf*/); - BEGIN_RING(chan, kelvin, NV20TCL_VTXFMT(i) ,1); - OUT_RING(chan, 0/*XXX*/); - } -#endif -} - -static const struct vertex_info * -nv20_vbuf_render_get_vertex_info( struct vbuf_render *render ) -{ - struct nv20_vbuf_render *nv20_render = nv20_vbuf_render(render); - struct nv20_context *nv20 = nv20_render->nv20; - - nv20_emit_hw_state(nv20); - - return &nv20->vertex_info; -} - -static void * -nv20__allocate_mbuffer(struct nv20_vbuf_render *nv20_render, size_t size) -{ - nv20_render->mbuffer = MALLOC(size); - return nv20_render->mbuffer; -} - -static void -nv20__allocate_pbuffer(struct nv20_vbuf_render *nv20_render, size_t size) -{ - struct pipe_screen *screen = nv20_render->nv20->pipe.screen; - nv20_render->pbuffer = screen->buffer_create(screen, 64, - PIPE_BUFFER_USAGE_VERTEX, size); -} - -static boolean -nv20_vbuf_render_allocate_vertices( struct vbuf_render *render, - ushort vertex_size, - ushort nr_vertices ) -{ - struct nv20_vbuf_render *nv20_render = nv20_vbuf_render(render); - size_t size = (size_t)vertex_size * (size_t)nr_vertices; - void *buf; - - assert(!nv20_render->pbuffer); - assert(!nv20_render->mbuffer); - - /* - * For small amount of vertices, don't bother with pipe vertex - * buffer, the data will be passed directly via the fifo. - */ - /* XXX: Pipe vertex buffers don't work. */ - if (0 && size > 16 * 1024) { - nv20__allocate_pbuffer(nv20_render, size); - /* umm yeah so this is ugly */ - buf = nv20_render->pbuffer; - } else { - buf = nv20__allocate_mbuffer(nv20_render, size); - } - - if (buf) - nv20_render->nv20->dirty |= NV20_NEW_VTXARRAYS; - - return buf ? TRUE : FALSE; -} - -static void * -nv20_vbuf_render_map_vertices( struct vbuf_render *render ) -{ - struct nv20_vbuf_render *nv20_render = nv20_vbuf_render(render); - struct pipe_screen *pscreen = nv20_render->nv20->pipe.screen; - - if (nv20_render->pbuffer) { - return pipe_buffer_map(pscreen, nv20_render->pbuffer, - PIPE_BUFFER_USAGE_CPU_WRITE); - } else if (nv20_render->mbuffer) { - return nv20_render->mbuffer; - } else - assert(0); - - /* warnings be gone */ - return NULL; -} - -static void -nv20_vbuf_render_unmap_vertices( struct vbuf_render *render, - ushort min_index, - ushort max_index ) -{ - struct nv20_vbuf_render *nv20_render = nv20_vbuf_render(render); - struct pipe_screen *pscreen = nv20_render->nv20->pipe.screen; - - if (nv20_render->pbuffer) - pipe_buffer_unmap(pscreen, nv20_render->pbuffer); -} - -static boolean -nv20_vbuf_render_set_primitive( struct vbuf_render *render, - unsigned prim ) -{ - struct nv20_vbuf_render *nv20_render = nv20_vbuf_render(render); - unsigned hwp = nvgl_primitive(prim); - if (hwp == 0) - return FALSE; - - nv20_render->hwprim = hwp; - return TRUE; -} - -static uint32_t -nv20__vtxhwformat(unsigned stride, unsigned fields, unsigned type) -{ - return (stride << NV20TCL_VTXFMT_STRIDE_SHIFT) | - (fields << NV20TCL_VTXFMT_SIZE_SHIFT) | - (type << NV20TCL_VTXFMT_TYPE_SHIFT); -} - -static unsigned -nv20__emit_format(struct nv20_context *nv20, enum attrib_emit type, int hwattr) -{ - struct nv20_screen *screen = nv20->screen; - struct nouveau_channel *chan = screen->base.channel; - struct nouveau_grobj *kelvin = screen->kelvin; - uint32_t hwfmt = 0; - unsigned fields; - - switch (type) { - case EMIT_OMIT: - hwfmt = nv20__vtxhwformat(0, 0, 2); - fields = 0; - break; - case EMIT_1F: - hwfmt = nv20__vtxhwformat(4, 1, 2); - fields = 1; - break; - case EMIT_2F: - hwfmt = nv20__vtxhwformat(8, 2, 2); - fields = 2; - break; - case EMIT_3F: - hwfmt = nv20__vtxhwformat(12, 3, 2); - fields = 3; - break; - case EMIT_4F: - hwfmt = nv20__vtxhwformat(16, 4, 2); - fields = 4; - break; - default: - NOUVEAU_ERR("unhandled attrib_emit %d\n", type); - return 0; - } - - BEGIN_RING(chan, kelvin, NV20TCL_VTXFMT(hwattr), 1); - OUT_RING(chan, hwfmt); - return fields; -} - -static unsigned -nv20__emit_vertex_array_format(struct nv20_context *nv20) -{ - struct vertex_info *vinfo = &nv20->vertex_info; - int hwattr = NV20TCL_VTXFMT__SIZE; - int attr = 0; - unsigned nr_fields = 0; - - while (hwattr-- > 0) { - if (vinfo->hwfmt[0] & (1 << hwattr)) { - nr_fields += nv20__emit_format(nv20, - vinfo->attrib[attr].emit, hwattr); - attr++; - } else - nv20__emit_format(nv20, EMIT_OMIT, hwattr); - } - - return nr_fields; -} - -static void -nv20__draw_mbuffer(struct nv20_vbuf_render *nv20_render, - const ushort *indices, - uint nr_indices) -{ - struct nv20_context *nv20 = nv20_render->nv20; - struct nv20_screen *screen = nv20->screen; - struct nouveau_channel *chan = screen->base.channel; - struct nouveau_grobj *kelvin = screen->kelvin; - struct vertex_info *vinfo = &nv20->vertex_info; - unsigned nr_fields; - int max_push; - ubyte *data = nv20_render->mbuffer; - int vsz = 4 * vinfo->size; - - nr_fields = nv20__emit_vertex_array_format(nv20); - - BEGIN_RING(chan, kelvin, NV20TCL_VERTEX_BEGIN_END, 1); - OUT_RING(chan, nv20_render->hwprim); - - max_push = 1200 / nr_fields; - while (nr_indices) { - int i; - int push = MIN2(nr_indices, max_push); - - BEGIN_RING_NI(chan, kelvin, NV20TCL_VERTEX_DATA, push * nr_fields); - for (i = 0; i < push; i++) { - /* XXX: fixme to handle other than floats? */ - int f = nr_fields; - float *attrv = (float*)&data[indices[i] * vsz]; - while (f-- > 0) - OUT_RINGf(chan, *attrv++); - } - - nr_indices -= push; - indices += push; - } - - BEGIN_RING(chan, kelvin, NV20TCL_VERTEX_BEGIN_END, 1); - OUT_RING(chan, NV20TCL_VERTEX_BEGIN_END_STOP); -} - -static void -nv20__draw_pbuffer(struct nv20_vbuf_render *nv20_render, - const ushort *indices, - uint nr_indices) -{ - struct nv20_context *nv20 = nv20_render->nv20; - struct nv20_screen *screen = nv20->screen; - struct nouveau_channel *chan = screen->base.channel; - struct nouveau_grobj *kelvin = screen->kelvin; - int push, i; - - NOUVEAU_ERR("nv20__draw_pbuffer: this path is broken.\n"); - - BEGIN_RING(chan, kelvin, NV10TCL_VERTEX_ARRAY_OFFSET_POS, 1); - OUT_RELOCl(chan, nouveau_bo(nv20_render->pbuffer), 0, - NOUVEAU_BO_VRAM | NOUVEAU_BO_GART | NOUVEAU_BO_RD); - - BEGIN_RING(chan, kelvin, NV10TCL_VERTEX_BUFFER_BEGIN_END, 1); - OUT_RING(chan, nv20_render->hwprim); - - if (nr_indices & 1) { - BEGIN_RING(chan, kelvin, NV10TCL_VB_ELEMENT_U32, 1); - OUT_RING (chan, indices[0]); - indices++; nr_indices--; - } - - while (nr_indices) { - // XXX too big/small ? check the size - push = MIN2(nr_indices, 1200 * 2); - - BEGIN_RING_NI(chan, kelvin, NV10TCL_VB_ELEMENT_U16, push >> 1); - for (i = 0; i < push; i+=2) - OUT_RING(chan, (indices[i+1] << 16) | indices[i]); - - nr_indices -= push; - indices += push; - } - - BEGIN_RING(chan, kelvin, NV10TCL_VERTEX_BUFFER_BEGIN_END, 1); - OUT_RING (chan, 0); -} - -static void -nv20_vbuf_render_draw( struct vbuf_render *render, - const ushort *indices, - uint nr_indices) -{ - struct nv20_vbuf_render *nv20_render = nv20_vbuf_render(render); - - nv20_emit_hw_state(nv20_render->nv20); - - if (nv20_render->pbuffer) - nv20__draw_pbuffer(nv20_render, indices, nr_indices); - else if (nv20_render->mbuffer) - nv20__draw_mbuffer(nv20_render, indices, nr_indices); - else - assert(0); -} - - -static void -nv20_vbuf_render_release_vertices( struct vbuf_render *render ) -{ - struct nv20_vbuf_render *nv20_render = nv20_vbuf_render(render); - struct nv20_context *nv20 = nv20_render->nv20; - - if (nv20_render->pbuffer) { - pipe_buffer_reference(&nv20_render->pbuffer, NULL); - } else if (nv20_render->mbuffer) { - FREE(nv20_render->mbuffer); - nv20_render->mbuffer = NULL; - } else - assert(0); -} - - -static void -nv20_vbuf_render_destroy( struct vbuf_render *render ) -{ - struct nv20_vbuf_render *nv20_render = nv20_vbuf_render(render); - - assert(!nv20_render->pbuffer); - assert(!nv20_render->mbuffer); - - FREE(nv20_render); -} - - -/** - * Create a new primitive render. - */ -static struct vbuf_render * -nv20_vbuf_render_create( struct nv20_context *nv20 ) -{ - struct nv20_vbuf_render *nv20_render = CALLOC_STRUCT(nv20_vbuf_render); - - nv20_render->nv20 = nv20; - - nv20_render->base.max_vertex_buffer_bytes = 16*1024; - nv20_render->base.max_indices = 1024; - nv20_render->base.get_vertex_info = nv20_vbuf_render_get_vertex_info; - nv20_render->base.allocate_vertices = - nv20_vbuf_render_allocate_vertices; - nv20_render->base.map_vertices = nv20_vbuf_render_map_vertices; - nv20_render->base.unmap_vertices = nv20_vbuf_render_unmap_vertices; - nv20_render->base.set_primitive = nv20_vbuf_render_set_primitive; - nv20_render->base.draw = nv20_vbuf_render_draw; - nv20_render->base.release_vertices = nv20_vbuf_render_release_vertices; - nv20_render->base.destroy = nv20_vbuf_render_destroy; - - return &nv20_render->base; -} - - -/** - * Create a new primitive vbuf/render stage. - */ -struct draw_stage *nv20_draw_vbuf_stage( struct nv20_context *nv20 ) -{ - struct vbuf_render *render; - struct draw_stage *stage; - - render = nv20_vbuf_render_create(nv20); - if(!render) - return NULL; - - stage = draw_vbuf_stage( nv20->draw, render ); - if(!stage) { - render->destroy(render); - return NULL; - } - - return stage; -} |