From 83bb81856066101dff85fdebea32df55ed8de4c5 Mon Sep 17 00:00:00 2001 From: Pekka Paalanen Date: Sat, 8 Nov 2008 17:20:19 +0200 Subject: Nouveau: Rename nv20/ files as nv20. Signed-off-by: Pekka Paalanen --- src/gallium/drivers/nv20/nv20_prim_vbuf.c | 240 ++++++++++++++++++++++++++++++ 1 file changed, 240 insertions(+) create mode 100644 src/gallium/drivers/nv20/nv20_prim_vbuf.c (limited to 'src/gallium/drivers/nv20/nv20_prim_vbuf.c') diff --git a/src/gallium/drivers/nv20/nv20_prim_vbuf.c b/src/gallium/drivers/nv20/nv20_prim_vbuf.c new file mode 100644 index 0000000000..62a8f6d89d --- /dev/null +++ b/src/gallium/drivers/nv20/nv20_prim_vbuf.c @@ -0,0 +1,240 @@ +/************************************************************************** + * + * 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 + * \author Keith Whitwell + */ + + +#include "pipe/p_debug.h" +#include "pipe/p_inlines.h" +#include "pipe/p_winsys.h" + +#include "nv10_context.h" +#include "nv10_state.h" + +#include "draw/draw_vbuf.h" + +/** + * Primitive renderer for nv10. + */ +struct nv10_vbuf_render { + struct vbuf_render base; + + struct nv10_context *nv10; + + /** Vertex buffer */ + struct pipe_buffer* buffer; + + /** Vertex size in bytes */ + unsigned vertex_size; + + /** Hardware primitive */ + unsigned hwprim; +}; + + +void nv10_vtxbuf_bind( struct nv10_context* nv10 ) +{ + int i; + for(i = 0; i < 8; i++) { + BEGIN_RING(celsius, NV10TCL_VERTEX_ARRAY_ATTRIB_OFFSET(i), 1); + OUT_RING(0/*nv10->vtxbuf*/); + BEGIN_RING(celsius, NV10TCL_VERTEX_ARRAY_ATTRIB_FORMAT(i) ,1); + OUT_RING(0/*XXX*/); + } +} + +/** + * Basically a cast wrapper. + */ +static INLINE struct nv10_vbuf_render * +nv10_vbuf_render( struct vbuf_render *render ) +{ + assert(render); + return (struct nv10_vbuf_render *)render; +} + + +static const struct vertex_info * +nv10_vbuf_render_get_vertex_info( struct vbuf_render *render ) +{ + struct nv10_vbuf_render *nv10_render = nv10_vbuf_render(render); + struct nv10_context *nv10 = nv10_render->nv10; + + nv10_emit_hw_state(nv10); + + return &nv10->vertex_info; +} + + +static void * +nv10_vbuf_render_allocate_vertices( struct vbuf_render *render, + ushort vertex_size, + ushort nr_vertices ) +{ + struct nv10_vbuf_render *nv10_render = nv10_vbuf_render(render); + struct nv10_context *nv10 = nv10_render->nv10; + struct pipe_winsys *winsys = nv10->pipe.winsys; + size_t size = (size_t)vertex_size * (size_t)nr_vertices; + + assert(!nv10_render->buffer); + nv10_render->buffer = winsys->buffer_create(winsys, 64, PIPE_BUFFER_USAGE_VERTEX, size); + + nv10->dirty |= NV10_NEW_VTXARRAYS; + + return winsys->buffer_map(winsys, + nv10_render->buffer, + PIPE_BUFFER_USAGE_CPU_WRITE); +} + + +static void +nv10_vbuf_render_set_primitive( struct vbuf_render *render, + unsigned prim ) +{ + struct nv10_vbuf_render *nv10_render = nv10_vbuf_render(render); + nv10_render->hwprim = prim + 1; +} + + +static void +nv10_vbuf_render_draw( struct vbuf_render *render, + const ushort *indices, + uint nr_indices) +{ + struct nv10_vbuf_render *nv10_render = nv10_vbuf_render(render); + struct nv10_context *nv10 = nv10_render->nv10; + int push, i; + + nv10_emit_hw_state(nv10); + + BEGIN_RING(celsius, NV10TCL_VERTEX_ARRAY_OFFSET_POS, 1); + OUT_RELOCl(nv10_render->buffer, 0, NOUVEAU_BO_VRAM | NOUVEAU_BO_GART | NOUVEAU_BO_RD); + + BEGIN_RING(celsius, NV10TCL_VERTEX_BUFFER_BEGIN_END, 1); + OUT_RING(nv10_render->hwprim); + + if (nr_indices & 1) { + BEGIN_RING(celsius, NV10TCL_VB_ELEMENT_U32, 1); + OUT_RING (indices[0]); + indices++; nr_indices--; + } + + while (nr_indices) { + // XXX too big/small ? check the size + push = MIN2(nr_indices, 1200 * 2); + + BEGIN_RING_NI(celsius, NV10TCL_VB_ELEMENT_U16, push >> 1); + for (i = 0; i < push; i+=2) + OUT_RING((indices[i+1] << 16) | indices[i]); + + nr_indices -= push; + indices += push; + } + + BEGIN_RING(celsius, NV10TCL_VERTEX_BUFFER_BEGIN_END, 1); + OUT_RING (0); +} + + +static void +nv10_vbuf_render_release_vertices( struct vbuf_render *render, + void *vertices, + unsigned vertex_size, + unsigned vertices_used ) +{ + struct nv10_vbuf_render *nv10_render = nv10_vbuf_render(render); + struct nv10_context *nv10 = nv10_render->nv10; + struct pipe_winsys *winsys = nv10->pipe.winsys; + struct pipe_screen *pscreen = &nv10->screen->pipe; + + assert(nv10_render->buffer); + winsys->buffer_unmap(winsys, nv10_render->buffer); + pipe_buffer_reference(pscreen, &nv10_render->buffer, NULL); +} + + +static void +nv10_vbuf_render_destroy( struct vbuf_render *render ) +{ + struct nv10_vbuf_render *nv10_render = nv10_vbuf_render(render); + FREE(nv10_render); +} + + +/** + * Create a new primitive render. + */ +static struct vbuf_render * +nv10_vbuf_render_create( struct nv10_context *nv10 ) +{ + struct nv10_vbuf_render *nv10_render = CALLOC_STRUCT(nv10_vbuf_render); + + nv10_render->nv10 = nv10; + + nv10_render->base.max_vertex_buffer_bytes = 16*1024; + nv10_render->base.max_indices = 1024; + nv10_render->base.get_vertex_info = nv10_vbuf_render_get_vertex_info; + nv10_render->base.allocate_vertices = nv10_vbuf_render_allocate_vertices; + nv10_render->base.set_primitive = nv10_vbuf_render_set_primitive; + nv10_render->base.draw = nv10_vbuf_render_draw; + nv10_render->base.release_vertices = nv10_vbuf_render_release_vertices; + nv10_render->base.destroy = nv10_vbuf_render_destroy; + + return &nv10_render->base; +} + + +/** + * Create a new primitive vbuf/render stage. + */ +struct draw_stage *nv10_draw_vbuf_stage( struct nv10_context *nv10 ) +{ + struct vbuf_render *render; + struct draw_stage *stage; + + render = nv10_vbuf_render_create(nv10); + if(!render) + return NULL; + + stage = draw_vbuf_stage( nv10->draw, render ); + if(!stage) { + render->destroy(render); + return NULL; + } + + return stage; +} -- cgit v1.2.3