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/*
* Copyright 2009 Marek Olšák <maraeo@gmail.com>
*
* 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
* on 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
* THE AUTHOR(S) AND/OR THEIR 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.
*
* Authors:
* Jerome Glisse
* Marek Olšák
*/
#include <errno.h>
#include <pipe/p_screen.h>
#include <util/u_blitter.h>
#include <util/u_inlines.h>
#include <util/u_memory.h>
#include "util/u_surface.h"
#include "r600_screen.h"
#include "r600_context.h"
static void r600_blitter_save_states(struct pipe_context *ctx)
{
struct r600_context *rctx = r600_context(ctx);
util_blitter_save_blend(rctx->blitter, rctx->blend);
util_blitter_save_depth_stencil_alpha(rctx->blitter, rctx->dsa);
if (rctx->stencil_ref) {
util_blitter_save_stencil_ref(rctx->blitter,
&rctx->stencil_ref->state.stencil_ref);
}
util_blitter_save_rasterizer(rctx->blitter, rctx->rasterizer);
util_blitter_save_fragment_shader(rctx->blitter, rctx->ps_shader);
util_blitter_save_vertex_shader(rctx->blitter, rctx->vs_shader);
util_blitter_save_vertex_elements(rctx->blitter, rctx->vertex_elements);
if (rctx->viewport) {
util_blitter_save_viewport(rctx->blitter, &rctx->viewport->state.viewport);
}
if (rctx->clip) {
util_blitter_save_clip(rctx->blitter, &rctx->clip->state.clip);
}
util_blitter_save_vertex_buffers(rctx->blitter, rctx->nvertex_buffer,
rctx->vertex_buffer);
/* remove ptr so they don't get deleted */
rctx->blend = NULL;
rctx->clip = NULL;
rctx->vs_shader = NULL;
rctx->ps_shader = NULL;
rctx->rasterizer = NULL;
rctx->dsa = NULL;
rctx->vertex_elements = NULL;
/* suspend queries */
r600_queries_suspend(ctx);
}
static void r600_clear(struct pipe_context *ctx, unsigned buffers,
const float *rgba, double depth, unsigned stencil)
{
struct r600_context *rctx = r600_context(ctx);
struct pipe_framebuffer_state *fb = &rctx->framebuffer->state.framebuffer;
r600_blitter_save_states(ctx);
util_blitter_clear(rctx->blitter, fb->width, fb->height,
fb->nr_cbufs, buffers, rgba, depth,
stencil);
/* resume queries */
r600_queries_resume(ctx);
}
static void r600_clear_render_target(struct pipe_context *ctx,
struct pipe_surface *dst,
const float *rgba,
unsigned dstx, unsigned dsty,
unsigned width, unsigned height)
{
struct r600_context *rctx = r600_context(ctx);
struct pipe_framebuffer_state *fb = &rctx->framebuffer->state.framebuffer;
r600_blitter_save_states(ctx);
util_blitter_save_framebuffer(rctx->blitter, fb);
util_blitter_clear_render_target(rctx->blitter, dst, rgba,
dstx, dsty, width, height);
/* resume queries */
r600_queries_resume(ctx);
}
static void r600_clear_depth_stencil(struct pipe_context *ctx,
struct pipe_surface *dst,
unsigned clear_flags,
double depth,
unsigned stencil,
unsigned dstx, unsigned dsty,
unsigned width, unsigned height)
{
struct r600_context *rctx = r600_context(ctx);
struct pipe_framebuffer_state *fb = &rctx->framebuffer->state.framebuffer;
r600_blitter_save_states(ctx);
util_blitter_save_framebuffer(rctx->blitter, fb);
util_blitter_clear_depth_stencil(rctx->blitter, dst, clear_flags, depth, stencil,
dstx, dsty, width, height);
/* resume queries */
r600_queries_resume(ctx);
}
static void r600_resource_copy_region(struct pipe_context *ctx,
struct pipe_resource *dst,
struct pipe_subresource subdst,
unsigned dstx, unsigned dsty, unsigned dstz,
struct pipe_resource *src,
struct pipe_subresource subsrc,
unsigned srcx, unsigned srcy, unsigned srcz,
unsigned width, unsigned height)
{
util_resource_copy_region(ctx, dst, subdst, dstx, dsty, dstz,
src, subsrc, srcx, srcy, srcz, width, height);
}
static void *r600_create_db_flush_dsa(struct r600_context *rctx)
{
struct r600_screen *rscreen = rctx->screen;
struct pipe_depth_stencil_alpha_state dsa;
struct r600_context_state *state;
boolean quirk = false;
enum radeon_family family;
family = radeon_get_family(rscreen->rw);
if (family == CHIP_RV610 || family == CHIP_RV630 || family == CHIP_RV620 ||
family == CHIP_RV635)
quirk = true;
memset(&dsa, 0, sizeof(dsa));
if (quirk) {
dsa.depth.enabled = 1;
dsa.depth.func = PIPE_FUNC_LEQUAL;
dsa.stencil[0].enabled = 1;
dsa.stencil[0].func = PIPE_FUNC_ALWAYS;
dsa.stencil[0].zpass_op = PIPE_STENCIL_OP_KEEP;
dsa.stencil[0].zfail_op = PIPE_STENCIL_OP_INCR;
dsa.stencil[0].writemask = 0xff;
}
state = rctx->context.create_depth_stencil_alpha_state(&rctx->context, &dsa);
state->flags |= R600_STATE_FLAG_DSA_FLUSH;
return state;
}
void r600_init_blit_functions(struct r600_context *rctx)
{
rctx->context.clear = r600_clear;
rctx->context.clear_render_target = r600_clear_render_target;
rctx->context.clear_depth_stencil = r600_clear_depth_stencil;
rctx->context.resource_copy_region = r600_resource_copy_region;
/* create a custom depth stencil for DB flush */
rctx->custom_dsa_flush = r600_create_db_flush_dsa(rctx);
}
int r600_blit_uncompress_depth(struct pipe_context *ctx, struct r600_resource_texture *texture)
{
struct r600_context *rctx = r600_context(ctx);
struct pipe_framebuffer_state *fb = rctx->pframebuffer;
struct pipe_surface *zsurf, *cbsurf;
int level = 0;
float depth = 1.0f;
zsurf = ctx->screen->get_tex_surface(ctx->screen, &texture->resource.base.b, 0, level, 0,
PIPE_BIND_DEPTH_STENCIL);
cbsurf = ctx->screen->get_tex_surface(ctx->screen, texture->flushed_depth_texture, 0, level, 0,
PIPE_BIND_RENDER_TARGET);
r600_blitter_save_states(ctx);
util_blitter_save_framebuffer(rctx->blitter, fb);
if (rctx->family == CHIP_RV610 || rctx->family == CHIP_RV630 ||
rctx->family == CHIP_RV620 || rctx->family == CHIP_RV635)
depth = 0.0f;
util_blitter_custom_depth_stencil(rctx->blitter, zsurf, cbsurf, rctx->custom_dsa_flush, depth);
pipe_surface_reference(&zsurf, NULL);
pipe_surface_reference(&cbsurf, NULL);
/* resume queries */
r600_queries_resume(ctx);
return 0;
}
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