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/*
* Copyright (C) 2016 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 "pipe/p_state.h"
#include "util/u_string.h"
#include "util/u_memory.h"
#include "util/u_prim.h"
#include "freedreno_state.h"
#include "freedreno_resource.h"
#include "fd5_draw.h"
#include "fd5_context.h"
#include "fd5_emit.h"
#include "fd5_program.h"
#include "fd5_format.h"
#include "fd5_zsa.h"
static void
draw_impl(struct fd_context *ctx, struct fd_ringbuffer *ring,
struct fd5_emit *emit)
{
const struct pipe_draw_info *info = emit->info;
enum pc_di_primtype primtype = ctx->primtypes[info->mode];
fd5_emit_state(ctx, ring, emit);
if (emit->dirty & (FD_DIRTY_VTXBUF | FD_DIRTY_VTXSTATE))
fd5_emit_vertex_bufs(ring, emit);
OUT_PKT4(ring, REG_A5XX_VFD_INDEX_OFFSET, 2);
OUT_RING(ring, info->indexed ? info->index_bias : info->start); /* VFD_INDEX_OFFSET */
OUT_RING(ring, info->start_instance); /* ??? UNKNOWN_2209 */
OUT_PKT4(ring, REG_A5XX_PC_RESTART_INDEX, 1);
OUT_RING(ring, info->primitive_restart ? /* PC_RESTART_INDEX */
info->restart_index : 0xffffffff);
fd5_emit_render_cntl(ctx, false);
fd5_draw_emit(ctx->batch, ring, primtype,
emit->key.binning_pass ? IGNORE_VISIBILITY : USE_VISIBILITY,
info);
}
/* fixup dirty shader state in case some "unrelated" (from the state-
* tracker's perspective) state change causes us to switch to a
* different variant.
*/
static void
fixup_shader_state(struct fd_context *ctx, struct ir3_shader_key *key)
{
struct fd5_context *fd5_ctx = fd5_context(ctx);
struct ir3_shader_key *last_key = &fd5_ctx->last_key;
if (!ir3_shader_key_equal(last_key, key)) {
if (ir3_shader_key_changes_fs(last_key, key)) {
ctx->dirty_shader[PIPE_SHADER_FRAGMENT] |= FD_DIRTY_SHADER_PROG;
ctx->dirty |= FD_DIRTY_PROG;
}
if (ir3_shader_key_changes_vs(last_key, key)) {
ctx->dirty_shader[PIPE_SHADER_VERTEX] |= FD_DIRTY_SHADER_PROG;
ctx->dirty |= FD_DIRTY_PROG;
}
fd5_ctx->last_key = *key;
}
}
static bool
fd5_draw_vbo(struct fd_context *ctx, const struct pipe_draw_info *info)
{
struct fd5_context *fd5_ctx = fd5_context(ctx);
struct fd5_emit emit = {
.debug = &ctx->debug,
.vtx = &ctx->vtx,
.prog = &ctx->prog,
.info = info,
.key = {
.color_two_side = ctx->rasterizer->light_twoside,
.vclamp_color = ctx->rasterizer->clamp_vertex_color,
.fclamp_color = ctx->rasterizer->clamp_fragment_color,
.rasterflat = ctx->rasterizer->flatshade,
.half_precision = ctx->in_blit &&
fd_half_precision(&ctx->batch->framebuffer),
.ucp_enables = ctx->rasterizer->clip_plane_enable,
.has_per_samp = (fd5_ctx->fsaturate || fd5_ctx->vsaturate ||
fd5_ctx->fastc_srgb || fd5_ctx->vastc_srgb),
.vsaturate_s = fd5_ctx->vsaturate_s,
.vsaturate_t = fd5_ctx->vsaturate_t,
.vsaturate_r = fd5_ctx->vsaturate_r,
.fsaturate_s = fd5_ctx->fsaturate_s,
.fsaturate_t = fd5_ctx->fsaturate_t,
.fsaturate_r = fd5_ctx->fsaturate_r,
.vastc_srgb = fd5_ctx->vastc_srgb,
.fastc_srgb = fd5_ctx->fastc_srgb,
},
.rasterflat = ctx->rasterizer->flatshade,
.sprite_coord_enable = ctx->rasterizer->sprite_coord_enable,
.sprite_coord_mode = ctx->rasterizer->sprite_coord_mode,
};
fixup_shader_state(ctx, &emit.key);
unsigned dirty = ctx->dirty;
/* do regular pass first, since that is more likely to fail compiling: */
if (!(fd5_emit_get_vp(&emit) && fd5_emit_get_fp(&emit)))
return false;
emit.key.binning_pass = false;
emit.dirty = dirty;
draw_impl(ctx, ctx->batch->draw, &emit);
// /* and now binning pass: */
// emit.key.binning_pass = true;
// emit.dirty = dirty & ~(FD_DIRTY_BLEND);
// emit.vp = NULL; /* we changed key so need to refetch vp */
// emit.fp = NULL;
// draw_impl(ctx, ctx->batch->binning, &emit);
if (emit.streamout_mask) {
struct fd_ringbuffer *ring = ctx->batch->draw;
for (unsigned i = 0; i < PIPE_MAX_SO_BUFFERS; i++) {
if (emit.streamout_mask & (1 << i)) {
OUT_PKT7(ring, CP_EVENT_WRITE, 1);
OUT_RING(ring, FLUSH_SO_0 + i);
}
}
}
fd_context_all_clean(ctx);
return true;
}
static void
fd5_clear(struct fd_context *ctx, unsigned buffers,
const union pipe_color_union *color, double depth, unsigned stencil)
{
struct fd_ringbuffer *ring = ctx->batch->draw;
struct pipe_framebuffer_state *pfb = &ctx->batch->framebuffer;
struct pipe_scissor_state *scissor = fd_context_get_scissor(ctx);
/* TODO handle scissor.. or fallback to slow-clear? */
ctx->batch->max_scissor.minx = MIN2(ctx->batch->max_scissor.minx, scissor->minx);
ctx->batch->max_scissor.miny = MIN2(ctx->batch->max_scissor.miny, scissor->miny);
ctx->batch->max_scissor.maxx = MAX2(ctx->batch->max_scissor.maxx, scissor->maxx);
ctx->batch->max_scissor.maxy = MAX2(ctx->batch->max_scissor.maxy, scissor->maxy);
fd5_emit_render_cntl(ctx, true);
if (buffers & PIPE_CLEAR_COLOR) {
for (int i = 0; i < pfb->nr_cbufs; i++) {
union util_color uc = {0};
if (!pfb->cbufs[i])
continue;
if (!(buffers & (PIPE_CLEAR_COLOR0 << i)))
continue;
enum pipe_format pfmt = pfb->cbufs[i]->format;
// XXX I think RB_CLEAR_COLOR_DWn wants to take into account SWAP??
union pipe_color_union swapped;
switch (fd5_pipe2swap(pfmt)) {
case WZYX:
swapped.ui[0] = color->ui[0];
swapped.ui[1] = color->ui[1];
swapped.ui[2] = color->ui[2];
swapped.ui[3] = color->ui[3];
break;
case WXYZ:
swapped.ui[2] = color->ui[0];
swapped.ui[1] = color->ui[1];
swapped.ui[0] = color->ui[2];
swapped.ui[3] = color->ui[3];
break;
case ZYXW:
swapped.ui[3] = color->ui[0];
swapped.ui[0] = color->ui[1];
swapped.ui[1] = color->ui[2];
swapped.ui[2] = color->ui[3];
break;
case XYZW:
swapped.ui[3] = color->ui[0];
swapped.ui[2] = color->ui[1];
swapped.ui[1] = color->ui[2];
swapped.ui[0] = color->ui[3];
break;
}
if (util_format_is_pure_uint(pfmt)) {
util_format_write_4ui(pfmt, swapped.ui, 0, &uc, 0, 0, 0, 1, 1);
} else if (util_format_is_pure_sint(pfmt)) {
util_format_write_4i(pfmt, swapped.i, 0, &uc, 0, 0, 0, 1, 1);
} else {
util_pack_color(swapped.f, pfmt, &uc);
}
OUT_PKT4(ring, REG_A5XX_RB_BLIT_CNTL, 1);
OUT_RING(ring, A5XX_RB_BLIT_CNTL_BUF(BLIT_MRT0 + i));
OUT_PKT4(ring, REG_A5XX_RB_CLEAR_CNTL, 1);
OUT_RING(ring, A5XX_RB_CLEAR_CNTL_FAST_CLEAR |
A5XX_RB_CLEAR_CNTL_MASK(0xf));
OUT_PKT4(ring, REG_A5XX_RB_CLEAR_COLOR_DW0, 4);
OUT_RING(ring, uc.ui[0]); /* RB_CLEAR_COLOR_DW0 */
OUT_RING(ring, uc.ui[1]); /* RB_CLEAR_COLOR_DW1 */
OUT_RING(ring, uc.ui[2]); /* RB_CLEAR_COLOR_DW2 */
OUT_RING(ring, uc.ui[3]); /* RB_CLEAR_COLOR_DW3 */
fd5_emit_blit(ctx, ring);
}
}
if (pfb->zsbuf && (buffers & (PIPE_CLEAR_DEPTH | PIPE_CLEAR_STENCIL))) {
uint32_t clear =
util_pack_z_stencil(pfb->zsbuf->format, depth, stencil);
uint32_t mask = 0;
if (buffers & PIPE_CLEAR_DEPTH)
mask |= 0x1;
if (buffers & PIPE_CLEAR_STENCIL)
mask |= 0x2;
OUT_PKT4(ring, REG_A5XX_RB_BLIT_CNTL, 1);
OUT_RING(ring, A5XX_RB_BLIT_CNTL_BUF(BLIT_ZS));
OUT_PKT4(ring, REG_A5XX_RB_CLEAR_CNTL, 1);
OUT_RING(ring, A5XX_RB_CLEAR_CNTL_FAST_CLEAR |
A5XX_RB_CLEAR_CNTL_MASK(mask));
OUT_PKT4(ring, REG_A5XX_RB_CLEAR_COLOR_DW0, 1);
OUT_RING(ring, clear); /* RB_CLEAR_COLOR_DW0 */
fd5_emit_blit(ctx, ring);
}
/* disable fast clear to not interfere w/ gmem->mem, etc.. */
OUT_PKT4(ring, REG_A5XX_RB_CLEAR_CNTL, 1);
OUT_RING(ring, 0x00000000); /* RB_CLEAR_CNTL */
}
void
fd5_draw_init(struct pipe_context *pctx)
{
struct fd_context *ctx = fd_context(pctx);
ctx->draw_vbo = fd5_draw_vbo;
ctx->clear = fd5_clear;
}
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