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/*
* Copyright 2010 Jerome Glisse <glisse@freedesktop.org>
*
* 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.
*/
#include <util/u_surface.h>
#include <util/u_blitter.h>
#include <util/u_format.h>
#include "r600_pipe.h"
enum r600_blitter_op /* bitmask */
{
R600_CLEAR = 1,
R600_CLEAR_SURFACE = 2,
R600_COPY = 4
};
static void r600_blitter_begin(struct pipe_context *ctx, enum r600_blitter_op op)
{
struct r600_pipe_context *rctx = (struct r600_pipe_context *)ctx;
rctx->blit = true;
r600_context_queries_suspend(&rctx->ctx);
util_blitter_save_blend(rctx->blitter, rctx->states[R600_PIPE_STATE_BLEND]);
util_blitter_save_depth_stencil_alpha(rctx->blitter, rctx->states[R600_PIPE_STATE_DSA]);
if (rctx->states[R600_PIPE_STATE_STENCIL_REF]) {
util_blitter_save_stencil_ref(rctx->blitter, &rctx->stencil_ref);
}
util_blitter_save_rasterizer(rctx->blitter, rctx->states[R600_PIPE_STATE_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->states[R600_PIPE_STATE_VIEWPORT]) {
util_blitter_save_viewport(rctx->blitter, &rctx->viewport);
}
if (rctx->states[R600_PIPE_STATE_CLIP]) {
util_blitter_save_clip(rctx->blitter, &rctx->clip);
}
util_blitter_save_vertex_buffers(rctx->blitter, rctx->nvertex_buffers, rctx->vertex_buffer);
if (op & (R600_CLEAR_SURFACE | R600_COPY))
util_blitter_save_framebuffer(rctx->blitter, &rctx->framebuffer);
if (op & R600_COPY) {
util_blitter_save_fragment_sampler_states(
rctx->blitter, rctx->ps_samplers.n_samplers,
(void**)rctx->ps_samplers.samplers);
util_blitter_save_fragment_sampler_views(
rctx->blitter, rctx->ps_samplers.n_views,
(struct pipe_sampler_view**)rctx->ps_samplers.views);
}
}
static void r600_blitter_end(struct pipe_context *ctx)
{
struct r600_pipe_context *rctx = (struct r600_pipe_context *)ctx;
r600_context_queries_resume(&rctx->ctx);
rctx->blit = false;
}
void r600_blit_uncompress_depth(struct pipe_context *ctx, struct r600_resource_texture *texture)
{
struct r600_pipe_context *rctx = (struct r600_pipe_context *)ctx;
struct pipe_surface *zsurf, *cbsurf, surf_tmpl;
int level = 0;
float depth = 1.0f;
if (texture->flushed) return;
surf_tmpl.format = texture->resource.base.b.format;
surf_tmpl.u.tex.level = level;
surf_tmpl.u.tex.first_layer = 0;
surf_tmpl.u.tex.last_layer = 0;
surf_tmpl.usage = PIPE_BIND_DEPTH_STENCIL;
zsurf = ctx->create_surface(ctx, &texture->resource.base.b, &surf_tmpl);
surf_tmpl.format = ((struct pipe_resource*)texture->flushed_depth_texture)->format;
surf_tmpl.usage = PIPE_BIND_RENDER_TARGET;
cbsurf = ctx->create_surface(ctx,
(struct pipe_resource*)texture->flushed_depth_texture, &surf_tmpl);
if (rctx->family == CHIP_RV610 || rctx->family == CHIP_RV630 ||
rctx->family == CHIP_RV620 || rctx->family == CHIP_RV635)
depth = 0.0f;
r600_blitter_begin(ctx, R600_CLEAR_SURFACE);
util_blitter_custom_depth_stencil(rctx->blitter, zsurf, cbsurf, rctx->custom_dsa_flush, depth);
r600_blitter_end(ctx);
texture->flushed = true;
pipe_surface_reference(&zsurf, NULL);
pipe_surface_reference(&cbsurf, NULL);
}
void r600_flush_depth_textures(struct r600_pipe_context *rctx)
{
unsigned int i;
if (rctx->blit) return;
/* FIXME: This handles fragment shader textures only. */
for (i = 0; i < rctx->ps_samplers.n_views; ++i) {
struct r600_pipe_sampler_view *view;
struct r600_resource_texture *tex;
view = rctx->ps_samplers.views[i];
if (!view) continue;
tex = (struct r600_resource_texture *)view->base.texture;
if (!tex->depth) continue;
r600_blit_uncompress_depth(&rctx->context, tex);
}
}
static void r600_clear(struct pipe_context *ctx, unsigned buffers,
const float *rgba, double depth, unsigned stencil)
{
struct r600_pipe_context *rctx = (struct r600_pipe_context *)ctx;
struct pipe_framebuffer_state *fb = &rctx->framebuffer;
r600_blitter_begin(ctx, R600_CLEAR);
util_blitter_clear(rctx->blitter, fb->width, fb->height,
fb->nr_cbufs, buffers, rgba, depth,
stencil);
r600_blitter_end(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_pipe_context *rctx = (struct r600_pipe_context *)ctx;
r600_blitter_begin(ctx, R600_CLEAR_SURFACE);
util_blitter_clear_render_target(rctx->blitter, dst, rgba,
dstx, dsty, width, height);
r600_blitter_end(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_pipe_context *rctx = (struct r600_pipe_context *)ctx;
r600_blitter_begin(ctx, R600_CLEAR_SURFACE);
util_blitter_clear_depth_stencil(rctx->blitter, dst, clear_flags, depth, stencil,
dstx, dsty, width, height);
r600_blitter_end(ctx);
}
/* Copy a block of pixels from one surface to another using HW. */
static void r600_hw_copy_region(struct pipe_context *ctx,
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 r600_pipe_context *rctx = (struct r600_pipe_context *)ctx;
r600_blitter_begin(ctx, R600_COPY);
util_blitter_copy_region(rctx->blitter, dst, dst_level, dstx, dsty, dstz,
src, src_level, src_box, TRUE);
r600_blitter_end(ctx);
}
static void r600_resource_copy_region(struct pipe_context *ctx,
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)
{
boolean is_depth;
/* there is something wrong with depth resource copies at the moment so avoid them for now */
is_depth = util_format_get_component_bits(src->format, UTIL_FORMAT_COLORSPACE_ZS, 0) != 0;
if (is_depth)
util_resource_copy_region(ctx, dst, dst_level, dstx, dsty, dstz,
src, src_level, src_box);
else
r600_hw_copy_region(ctx, dst, dst_level, dstx, dsty, dstz,
src, src_level, src_box);
}
void r600_init_blit_functions(struct r600_pipe_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;
}
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