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/**************************************************************************
*
* 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.
*
**************************************************************************/
#include "util/u_rect.h"
#include "util/u_surface.h"
#include "lp_context.h"
#include "lp_flush.h"
#include "lp_limits.h"
#include "lp_surface.h"
#include "lp_texture.h"
/**
* Adjust x, y, width, height to lie on tile bounds.
*/
static void
adjust_to_tile_bounds(unsigned x, unsigned y, unsigned width, unsigned height,
unsigned *x_tile, unsigned *y_tile,
unsigned *w_tile, unsigned *h_tile)
{
*x_tile = x & ~(TILE_SIZE - 1);
*y_tile = y & ~(TILE_SIZE - 1);
*w_tile = ((x + width + TILE_SIZE - 1) & ~(TILE_SIZE - 1)) - *x_tile;
*h_tile = ((y + height + TILE_SIZE - 1) & ~(TILE_SIZE - 1)) - *y_tile;
}
static void
lp_resource_copy(struct pipe_context *pipe,
struct pipe_resource *dst, unsigned dst_level,
unsigned dstx, unsigned dsty, unsigned dstz,
struct pipe_resource *src, unsigned src_level,
const struct pipe_box *src_box)
{
struct llvmpipe_resource *src_tex = llvmpipe_resource(src);
struct llvmpipe_resource *dst_tex = llvmpipe_resource(dst);
const enum pipe_format format = src_tex->base.format;
unsigned width = src_box->width;
unsigned height = src_box->height;
unsigned depth = src_box->depth;
unsigned z;
/* Fallback for buffers. */
if (dst->target == PIPE_BUFFER && src->target == PIPE_BUFFER) {
util_resource_copy_region(pipe, dst, dst_level, dstx, dsty, dstz,
src, src_level, src_box);
return;
}
llvmpipe_flush_resource(pipe,
dst, dst_level,
FALSE, /* read_only */
TRUE, /* cpu_access */
FALSE, /* do_not_block */
"blit dest");
llvmpipe_flush_resource(pipe,
src, src_level,
TRUE, /* read_only */
TRUE, /* cpu_access */
FALSE, /* do_not_block */
"blit src");
/*
printf("surface copy from %u lvl %u to %u lvl %u: %u,%u,%u to %u,%u,%u %u x %u x %u\n",
src_tex->id, src_level, dst_tex->id, dst_level,
src_box->x, src_box->y, src_box->z, dstx, dsty, dstz,
src_box->width, src_box->height, src_box->depth);
*/
for (z = 0; z < src_box->depth; z++){
/* set src tiles to linear layout */
{
unsigned tx, ty, tw, th;
unsigned x, y;
adjust_to_tile_bounds(src_box->x, src_box->y, width, height,
&tx, &ty, &tw, &th);
for (y = 0; y < th; y += TILE_SIZE) {
for (x = 0; x < tw; x += TILE_SIZE) {
(void) llvmpipe_get_texture_tile_linear(src_tex,
src_box->z + z, src_level,
LP_TEX_USAGE_READ,
tx + x, ty + y);
}
}
}
/* set dst tiles to linear layout */
{
unsigned tx, ty, tw, th;
unsigned x, y;
enum lp_texture_usage usage;
adjust_to_tile_bounds(dstx, dsty, width, height, &tx, &ty, &tw, &th);
for (y = 0; y < th; y += TILE_SIZE) {
boolean contained_y = ty + y >= dsty &&
ty + y + TILE_SIZE <= dsty + height ?
TRUE : FALSE;
for (x = 0; x < tw; x += TILE_SIZE) {
boolean contained_x = tx + x >= dstx &&
tx + x + TILE_SIZE <= dstx + width ?
TRUE : FALSE;
/*
* Set the usage mode to WRITE_ALL for the tiles which are
* completely contained by the dest rectangle.
*/
if (contained_y && contained_x)
usage = LP_TEX_USAGE_WRITE_ALL;
else
usage = LP_TEX_USAGE_READ_WRITE;
(void) llvmpipe_get_texture_tile_linear(dst_tex,
dstz + z, dst_level,
usage,
tx + x, ty + y);
}
}
}
}
/* copy */
{
const ubyte *src_linear_ptr
= llvmpipe_get_texture_image_address(src_tex, src_box->z,
src_level,
LP_TEX_LAYOUT_LINEAR);
ubyte *dst_linear_ptr
= llvmpipe_get_texture_image_address(dst_tex, dstz,
dst_level,
LP_TEX_LAYOUT_LINEAR);
if (dst_linear_ptr && src_linear_ptr) {
util_copy_box(dst_linear_ptr, format,
llvmpipe_resource_stride(&dst_tex->base, dst_level),
dst_tex->img_stride[dst_level],
dstx, dsty, 0,
width, height, depth,
src_linear_ptr,
llvmpipe_resource_stride(&src_tex->base, src_level),
src_tex->img_stride[src_level],
src_box->x, src_box->y, 0);
}
}
}
static void lp_blit(struct pipe_context *pipe,
const struct pipe_blit_info *blit_info)
{
struct llvmpipe_context *lp = llvmpipe_context(pipe);
struct pipe_blit_info info = *blit_info;
if (info.src.resource->nr_samples > 1 &&
info.dst.resource->nr_samples <= 1 &&
!util_format_is_depth_or_stencil(info.src.resource->format) &&
!util_format_is_pure_integer(info.src.resource->format)) {
debug_printf("llvmpipe: color resolve unimplemented\n");
return;
}
if (util_try_blit_via_copy_region(pipe, &info)) {
return; /* done */
}
if (info.mask & PIPE_MASK_S) {
debug_printf("llvmpipe: cannot blit stencil, skipping\n");
info.mask &= ~PIPE_MASK_S;
}
if (!util_blitter_is_blit_supported(lp->blitter, &info)) {
debug_printf("llvmpipe: blit unsupported %s -> %s\n",
util_format_short_name(info.src.resource->format),
util_format_short_name(info.dst.resource->format));
return;
}
/* XXX turn off occlusion and streamout queries */
util_blitter_save_vertex_buffer_slot(lp->blitter, lp->vertex_buffer);
util_blitter_save_vertex_elements(lp->blitter, (void*)lp->velems);
util_blitter_save_vertex_shader(lp->blitter, (void*)lp->vs);
util_blitter_save_geometry_shader(lp->blitter, (void*)lp->gs);
util_blitter_save_so_targets(lp->blitter, lp->num_so_targets,
(struct pipe_stream_output_target**)lp->so_targets);
util_blitter_save_rasterizer(lp->blitter, (void*)lp->rasterizer);
util_blitter_save_viewport(lp->blitter, &lp->viewport);
util_blitter_save_scissor(lp->blitter, &lp->scissor);
util_blitter_save_fragment_shader(lp->blitter, lp->fs);
util_blitter_save_blend(lp->blitter, (void*)lp->blend);
util_blitter_save_depth_stencil_alpha(lp->blitter, (void*)lp->depth_stencil);
util_blitter_save_stencil_ref(lp->blitter, &lp->stencil_ref);
/*util_blitter_save_sample_mask(sp->blitter, lp->sample_mask);*/
util_blitter_save_framebuffer(lp->blitter, &lp->framebuffer);
util_blitter_save_fragment_sampler_states(lp->blitter,
lp->num_samplers[PIPE_SHADER_FRAGMENT],
(void**)lp->samplers[PIPE_SHADER_FRAGMENT]);
util_blitter_save_fragment_sampler_views(lp->blitter,
lp->num_sampler_views[PIPE_SHADER_FRAGMENT],
lp->sampler_views[PIPE_SHADER_FRAGMENT]);
util_blitter_save_render_condition(lp->blitter, lp->render_cond_query,
lp->render_cond_mode);
util_blitter_blit(lp->blitter, &info);
}
void
llvmpipe_init_surface_functions(struct llvmpipe_context *lp)
{
lp->pipe.resource_copy_region = lp_resource_copy;
lp->pipe.clear_render_target = util_clear_render_target;
lp->pipe.clear_depth_stencil = util_clear_depth_stencil;
lp->pipe.blit = lp_blit;
}
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