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/*
* Copyright (C) 2016 Rob Clark <robclark@freedesktop.org>
* Copyright © 2018 Google, Inc.
*
* 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, sublicense,
* 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 NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS 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:
* Rob Clark <robclark@freedesktop.org>
*/
#include "pipe/p_screen.h"
#include "util/u_format.h"
#include "fd6_screen.h"
#include "fd6_blitter.h"
#include "fd6_context.h"
#include "fd6_format.h"
#include "fd6_resource.h"
#include "ir3/ir3_compiler.h"
static bool
valid_sample_count(unsigned sample_count)
{
switch (sample_count) {
case 0:
case 1:
case 2:
case 4:
// TODO seems 8x works, but increases lrz width or height.. but the
// blob I have doesn't seem to expose any egl configs w/ 8x, so
// just hide it for now and revisit later.
// case 8:
return true;
default:
return false;
}
}
static boolean
fd6_screen_is_format_supported(struct pipe_screen *pscreen,
enum pipe_format format,
enum pipe_texture_target target,
unsigned sample_count,
unsigned storage_sample_count,
unsigned usage)
{
unsigned retval = 0;
if ((target >= PIPE_MAX_TEXTURE_TYPES) ||
!valid_sample_count(sample_count)) {
DBG("not supported: format=%s, target=%d, sample_count=%d, usage=%x",
util_format_name(format), target, sample_count, usage);
return FALSE;
}
if (MAX2(1, sample_count) != MAX2(1, storage_sample_count))
return false;
if ((usage & PIPE_BIND_VERTEX_BUFFER) &&
(fd6_pipe2vtx(format) != (enum a6xx_vtx_fmt)~0)) {
retval |= PIPE_BIND_VERTEX_BUFFER;
}
if ((usage & (PIPE_BIND_SAMPLER_VIEW | PIPE_BIND_SHADER_IMAGE)) &&
(target == PIPE_BUFFER ||
util_format_get_blocksize(format) != 12) &&
(fd6_pipe2tex(format) != (enum a6xx_tex_fmt)~0)) {
retval |= usage & (PIPE_BIND_SAMPLER_VIEW | PIPE_BIND_SHADER_IMAGE);
}
if ((usage & (PIPE_BIND_RENDER_TARGET |
PIPE_BIND_DISPLAY_TARGET |
PIPE_BIND_SCANOUT |
PIPE_BIND_SHARED |
PIPE_BIND_COMPUTE_RESOURCE)) &&
(fd6_pipe2color(format) != (enum a6xx_color_fmt)~0) &&
(fd6_pipe2tex(format) != (enum a6xx_tex_fmt)~0)) {
retval |= usage & (PIPE_BIND_RENDER_TARGET |
PIPE_BIND_DISPLAY_TARGET |
PIPE_BIND_SCANOUT |
PIPE_BIND_SHARED |
PIPE_BIND_COMPUTE_RESOURCE);
}
/* For ARB_framebuffer_no_attachments: */
if ((usage & PIPE_BIND_RENDER_TARGET) && (format == PIPE_FORMAT_NONE)) {
retval |= usage & PIPE_BIND_RENDER_TARGET;
}
if ((usage & PIPE_BIND_DEPTH_STENCIL) &&
(fd6_pipe2depth(format) != (enum a6xx_depth_format)~0) &&
(fd6_pipe2tex(format) != (enum a6xx_tex_fmt)~0)) {
retval |= PIPE_BIND_DEPTH_STENCIL;
}
if ((usage & PIPE_BIND_INDEX_BUFFER) &&
(fd_pipe2index(format) != (enum pc_di_index_size)~0)) {
retval |= PIPE_BIND_INDEX_BUFFER;
}
if (retval != usage) {
DBG("not supported: format=%s, target=%d, sample_count=%d, "
"usage=%x, retval=%x", util_format_name(format),
target, sample_count, usage, retval);
}
return retval == usage;
}
void
fd6_screen_init(struct pipe_screen *pscreen)
{
struct fd_screen *screen = fd_screen(pscreen);
screen->max_rts = A6XX_MAX_RENDER_TARGETS;
screen->compiler = ir3_compiler_create(screen->dev, screen->gpu_id);
pscreen->context_create = fd6_context_create;
pscreen->is_format_supported = fd6_screen_is_format_supported;
screen->setup_slices = fd6_setup_slices;
screen->tile_mode = fd6_tile_mode;
}
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