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/* -*- mode: C; c-file-style: "k&r"; tab-width 4; indent-tabs-mode: t; -*- */
/*
* Copyright (C) 2014 Rob Clark <robclark@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
* 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 "tgsi/tgsi_text.h"
#include "freedreno_program.h"
#include "freedreno_context.h"
static void
fd_fp_state_bind(struct pipe_context *pctx, void *hwcso)
{
struct fd_context *ctx = fd_context(pctx);
ctx->prog.fp = hwcso;
ctx->prog.dirty |= FD_SHADER_DIRTY_FP;
ctx->dirty |= FD_DIRTY_PROG;
}
static void
fd_vp_state_bind(struct pipe_context *pctx, void *hwcso)
{
struct fd_context *ctx = fd_context(pctx);
ctx->prog.vp = hwcso;
ctx->prog.dirty |= FD_SHADER_DIRTY_VP;
ctx->dirty |= FD_DIRTY_PROG;
}
static const char *solid_fp =
"FRAG \n"
"PROPERTY FS_COLOR0_WRITES_ALL_CBUFS 1 \n"
"DCL CONST[0] \n"
"DCL OUT[0], COLOR \n"
" 0: MOV OUT[0], CONST[0] \n"
" 1: END \n";
static const char *solid_vp =
"VERT \n"
"DCL IN[0] \n"
"DCL OUT[0], POSITION \n"
" 0: MOV OUT[0], IN[0] \n"
" 1: END \n";
static const char *blit_fp =
"FRAG \n"
"PROPERTY FS_COLOR0_WRITES_ALL_CBUFS 1 \n"
"DCL IN[0], TEXCOORD \n"
"DCL OUT[0], COLOR \n"
"DCL SAMP[0] \n"
" 0: TEX OUT[0], IN[0], SAMP[0], 2D \n"
" 1: END \n";
static const char *blit_vp =
"VERT \n"
"DCL IN[0] \n"
"DCL IN[1] \n"
"DCL OUT[0], TEXCOORD \n"
"DCL OUT[1], POSITION \n"
" 0: MOV OUT[0], IN[0] \n"
" 0: MOV OUT[1], IN[1] \n"
" 1: END \n";
static void * assemble_tgsi(struct pipe_context *pctx,
const char *src, bool frag)
{
struct tgsi_token toks[32];
struct pipe_shader_state cso = {
.tokens = toks,
};
tgsi_text_translate(src, toks, ARRAY_SIZE(toks));
if (frag)
return pctx->create_fs_state(pctx, &cso);
else
return pctx->create_vs_state(pctx, &cso);
}
void fd_prog_init(struct pipe_context *pctx)
{
struct fd_context *ctx = fd_context(pctx);
pctx->bind_fs_state = fd_fp_state_bind;
pctx->bind_vs_state = fd_vp_state_bind;
// XXX for now, let a2xx keep it's own hand-rolled shaders
// for solid and blit progs:
if (ctx->screen->gpu_id < 300)
return;
ctx->solid_prog.fp = assemble_tgsi(pctx, solid_fp, true);
ctx->solid_prog.vp = assemble_tgsi(pctx, solid_vp, false);
ctx->blit_prog.fp = assemble_tgsi(pctx, blit_fp, true);
ctx->blit_prog.vp = assemble_tgsi(pctx, blit_vp, false);
}
void fd_prog_fini(struct pipe_context *pctx)
{
struct fd_context *ctx = fd_context(pctx);
pctx->delete_vs_state(pctx, ctx->solid_prog.vp);
pctx->delete_fs_state(pctx, ctx->solid_prog.fp);
pctx->delete_vs_state(pctx, ctx->blit_prog.vp);
pctx->delete_fs_state(pctx, ctx->blit_prog.fp);
}
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