335 lines
11 KiB
C
335 lines
11 KiB
C
/**************************************************************************
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*
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* Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
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* All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sub license, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice (including the
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* next paragraph) shall be included in all copies or substantial portions
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* of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
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* IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
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* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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**************************************************************************/
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/* Author:
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* Keith Whitwell <keith@tungstengraphics.com>
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*/
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#include "pipe/draw/draw_context.h"
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#include "pipe/p_defines.h"
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#include "pipe/p_util.h"
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#include "sp_clear.h"
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#include "sp_context.h"
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#include "sp_flush.h"
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#include "sp_prim_setup.h"
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#include "sp_region.h"
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#include "sp_state.h"
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#include "sp_surface.h"
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#include "sp_tex_layout.h"
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#include "sp_winsys.h"
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/**
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* Return list of supported surface/texture formats.
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* If we find texture and drawable support differs, add a selector
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* parameter or another function.
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*/
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static const unsigned *
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softpipe_supported_formats(struct pipe_context *pipe, unsigned *numFormats)
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{
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#if 0
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static const unsigned supported[] = {
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PIPE_FORMAT_U_R8_G8_B8_A8,
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PIPE_FORMAT_U_A8_R8_G8_B8,
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PIPE_FORMAT_U_R5_G6_B5,
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PIPE_FORMAT_U_L8,
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PIPE_FORMAT_U_A8,
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PIPE_FORMAT_U_I8,
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PIPE_FORMAT_U_L8_A8,
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PIPE_FORMAT_S_R16_G16_B16_A16,
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PIPE_FORMAT_YCBCR,
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PIPE_FORMAT_YCBCR_REV,
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PIPE_FORMAT_U_Z16,
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PIPE_FORMAT_U_Z32,
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PIPE_FORMAT_F_Z32,
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PIPE_FORMAT_S8_Z24,
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PIPE_FORMAT_U_S8
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};
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*numFormats = sizeof(supported)/sizeof(supported[0]);
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return supported;
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#else
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struct softpipe_context *softpipe = softpipe_context( pipe );
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return softpipe->winsys->supported_formats( softpipe->winsys, numFormats );
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#endif
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}
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/** XXX remove these? */
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#define MAX_TEXTURE_LEVELS 11
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#define MAX_TEXTURE_RECT_SIZE 2048
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#define MAX_3D_TEXTURE_LEVELS 8
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static void
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softpipe_max_texture_size(struct pipe_context *pipe, unsigned textureType,
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unsigned *maxWidth, unsigned *maxHeight,
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unsigned *maxDepth)
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{
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switch (textureType) {
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case PIPE_TEXTURE_1D:
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*maxWidth = 1 << (MAX_TEXTURE_LEVELS - 1);
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break;
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case PIPE_TEXTURE_2D:
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*maxWidth =
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*maxHeight = 1 << (MAX_TEXTURE_LEVELS - 1);
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break;
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case PIPE_TEXTURE_3D:
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*maxWidth =
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*maxHeight =
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*maxDepth = 1 << (MAX_3D_TEXTURE_LEVELS - 1);
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break;
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case PIPE_TEXTURE_CUBE:
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*maxWidth =
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*maxHeight = MAX_TEXTURE_RECT_SIZE;
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break;
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default:
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assert(0);
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}
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}
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void
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softpipe_map_surfaces(struct softpipe_context *sp)
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{
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struct pipe_context *pipe = &sp->pipe;
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unsigned i;
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for (i = 0; i < sp->framebuffer.num_cbufs; i++) {
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struct softpipe_surface *sps = softpipe_surface(sp->framebuffer.cbufs[i]);
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if (sps->surface.region)
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pipe->region_map(pipe, sps->surface.region);
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}
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if (sp->framebuffer.zbuf) {
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struct softpipe_surface *sps = softpipe_surface(sp->framebuffer.zbuf);
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if (sps->surface.region)
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pipe->region_map(pipe, sps->surface.region);
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}
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if (sp->framebuffer.sbuf) {
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struct softpipe_surface *sps = softpipe_surface(sp->framebuffer.sbuf);
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if (sps->surface.region)
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pipe->region_map(pipe, sps->surface.region);
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}
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/* textures */
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for (i = 0; i < PIPE_MAX_SAMPLERS; i++) {
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struct pipe_mipmap_tree *mt = sp->texture[i];
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if (mt) {
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pipe->region_map(pipe, mt->region);
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}
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}
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/* XXX depth & stencil bufs */
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}
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void
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softpipe_unmap_surfaces(struct softpipe_context *sp)
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{
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struct pipe_context *pipe = &sp->pipe;
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unsigned i;
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for (i = 0; i < sp->framebuffer.num_cbufs; i++) {
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struct softpipe_surface *sps = softpipe_surface(sp->framebuffer.cbufs[i]);
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if (sps->surface.region)
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pipe->region_unmap(pipe, sps->surface.region);
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}
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if (sp->framebuffer.zbuf) {
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struct softpipe_surface *sps = softpipe_surface(sp->framebuffer.zbuf);
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if (sps->surface.region)
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pipe->region_unmap(pipe, sps->surface.region);
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}
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if (sp->framebuffer.sbuf) {
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struct softpipe_surface *sps = softpipe_surface(sp->framebuffer.sbuf);
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if (sps->surface.region)
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pipe->region_unmap(pipe, sps->surface.region);
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}
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/* textures */
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for (i = 0; i < PIPE_MAX_SAMPLERS; i++) {
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struct pipe_mipmap_tree *mt = sp->texture[i];
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if (mt) {
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pipe->region_unmap(pipe, mt->region);
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}
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}
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/* XXX depth & stencil bufs */
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}
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static void softpipe_destroy( struct pipe_context *pipe )
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{
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struct softpipe_context *softpipe = softpipe_context( pipe );
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draw_destroy( softpipe->draw );
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free( softpipe );
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}
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static void
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softpipe_begin_query(struct pipe_context *pipe, struct pipe_query_object *q)
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{
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struct softpipe_context *softpipe = softpipe_context( pipe );
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assert(q->type < PIPE_QUERY_TYPES);
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assert(!softpipe->queries[q->type]);
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softpipe->queries[q->type] = q;
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}
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static void
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softpipe_end_query(struct pipe_context *pipe, struct pipe_query_object *q)
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{
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struct softpipe_context *softpipe = softpipe_context( pipe );
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assert(q->type < PIPE_QUERY_TYPES);
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assert(softpipe->queries[q->type]);
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q->ready = 1; /* software rendering is synchronous */
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softpipe->queries[q->type] = NULL;
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}
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static void
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softpipe_wait_query(struct pipe_context *pipe, struct pipe_query_object *q)
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{
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/* Should never get here since we indicated that the result was
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* ready in softpipe_end_query().
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*/
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assert(0);
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}
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static const char *softpipe_get_name( struct pipe_context *pipe )
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{
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return "softpipe";
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}
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static const char *softpipe_get_vendor( struct pipe_context *pipe )
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{
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return "Tungsten Graphics, Inc.";
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}
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struct pipe_context *softpipe_create( struct pipe_winsys *pipe_winsys,
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struct softpipe_winsys *softpipe_winsys )
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{
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struct softpipe_context *softpipe = CALLOC_STRUCT(softpipe_context);
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softpipe->pipe.winsys = pipe_winsys;
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softpipe->pipe.destroy = softpipe_destroy;
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/* queries */
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softpipe->pipe.supported_formats = softpipe_supported_formats;
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softpipe->pipe.max_texture_size = softpipe_max_texture_size;
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/* state setters */
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softpipe->pipe.create_blend_state = softpipe_create_blend_state;
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softpipe->pipe.bind_blend_state = softpipe_bind_blend_state;
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softpipe->pipe.delete_blend_state = softpipe_delete_blend_state;
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softpipe->pipe.create_sampler_state = softpipe_create_sampler_state;
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softpipe->pipe.bind_sampler_state = softpipe_bind_sampler_state;
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softpipe->pipe.delete_sampler_state = softpipe_delete_sampler_state;
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softpipe->pipe.create_depth_stencil_state = softpipe_create_depth_stencil_state;
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softpipe->pipe.bind_depth_stencil_state = softpipe_bind_depth_stencil_state;
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softpipe->pipe.delete_depth_stencil_state = softpipe_delete_depth_stencil_state;
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softpipe->pipe.create_rasterizer_state = softpipe_create_rasterizer_state;
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softpipe->pipe.bind_rasterizer_state = softpipe_bind_rasterizer_state;
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softpipe->pipe.delete_rasterizer_state = softpipe_delete_rasterizer_state;
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softpipe->pipe.create_shader_state = softpipe_create_shader_state;
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softpipe->pipe.bind_fs_state = softpipe_bind_fs_state;
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softpipe->pipe.bind_vs_state = softpipe_bind_vs_state;
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softpipe->pipe.delete_shader_state = softpipe_delete_shader_state;
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softpipe->pipe.set_alpha_test_state = softpipe_set_alpha_test_state;
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softpipe->pipe.set_blend_color = softpipe_set_blend_color;
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softpipe->pipe.set_clip_state = softpipe_set_clip_state;
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softpipe->pipe.set_clear_color_state = softpipe_set_clear_color_state;
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softpipe->pipe.set_constant_buffer = softpipe_set_constant_buffer;
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softpipe->pipe.set_feedback_state = softpipe_set_feedback_state;
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softpipe->pipe.set_framebuffer_state = softpipe_set_framebuffer_state;
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softpipe->pipe.set_polygon_stipple = softpipe_set_polygon_stipple;
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softpipe->pipe.set_scissor_state = softpipe_set_scissor_state;
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softpipe->pipe.set_texture_state = softpipe_set_texture_state;
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softpipe->pipe.set_viewport_state = softpipe_set_viewport_state;
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softpipe->pipe.set_vertex_buffer = softpipe_set_vertex_buffer;
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softpipe->pipe.set_vertex_element = softpipe_set_vertex_element;
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softpipe->pipe.set_feedback_buffer = softpipe_set_feedback_buffer;
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softpipe->pipe.draw_arrays = softpipe_draw_arrays;
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softpipe->pipe.draw_elements = softpipe_draw_elements;
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softpipe->pipe.clear = softpipe_clear;
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softpipe->pipe.flush = softpipe_flush;
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softpipe->pipe.begin_query = softpipe_begin_query;
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softpipe->pipe.end_query = softpipe_end_query;
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softpipe->pipe.wait_query = softpipe_wait_query;
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softpipe->pipe.get_name = softpipe_get_name;
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softpipe->pipe.get_vendor = softpipe_get_vendor;
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/* textures */
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softpipe->pipe.mipmap_tree_layout = softpipe_mipmap_tree_layout;
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softpipe->pipe.get_tex_surface = softpipe_get_tex_surface;
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/* setup quad rendering stages */
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softpipe->quad.polygon_stipple = sp_quad_polygon_stipple_stage(softpipe);
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softpipe->quad.shade = sp_quad_shade_stage(softpipe);
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softpipe->quad.alpha_test = sp_quad_alpha_test_stage(softpipe);
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softpipe->quad.depth_test = sp_quad_depth_test_stage(softpipe);
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softpipe->quad.stencil_test = sp_quad_stencil_test_stage(softpipe);
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softpipe->quad.occlusion = sp_quad_occlusion_stage(softpipe);
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softpipe->quad.coverage = sp_quad_coverage_stage(softpipe);
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softpipe->quad.bufloop = sp_quad_bufloop_stage(softpipe);
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softpipe->quad.blend = sp_quad_blend_stage(softpipe);
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softpipe->quad.colormask = sp_quad_colormask_stage(softpipe);
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softpipe->quad.output = sp_quad_output_stage(softpipe);
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softpipe->winsys = softpipe_winsys;
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/*
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* Create drawing context and plug our rendering stage into it.
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*/
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softpipe->draw = draw_create();
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assert(softpipe->draw);
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draw_set_rasterize_stage(softpipe->draw, sp_draw_render_stage(softpipe));
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sp_init_region_functions(softpipe);
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sp_init_surface_functions(softpipe);
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/*
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* XXX we could plug GL selection/feedback into the drawing pipeline
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* by specifying a different setup/render stage.
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*/
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return &softpipe->pipe;
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}
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