mesa/src/gallium/drivers/freedreno/freedreno_clear.c

231 lines
7.1 KiB
C

/* -*- mode: C; c-file-style: "k&r"; tab-width 4; indent-tabs-mode: t; -*- */
/*
* Copyright (C) 2012 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_inlines.h"
#include "util/u_pack_color.h"
#include "freedreno_clear.h"
#include "freedreno_context.h"
#include "freedreno_resource.h"
#include "freedreno_state.h"
#include "freedreno_program.h"
#include "freedreno_zsa.h"
#include "freedreno_util.h"
static uint32_t
pack_rgba(enum pipe_format format, const float *rgba)
{
union util_color uc;
util_pack_color(rgba, format, &uc);
return uc.ui;
}
static void
fd_clear(struct pipe_context *pctx, unsigned buffers,
const union pipe_color_union *color, double depth, unsigned stencil)
{
struct fd_context *ctx = fd_context(pctx);
struct fd_ringbuffer *ring = ctx->ring;
struct pipe_framebuffer_state *fb = &ctx->framebuffer;
uint32_t reg, colr = 0;
ctx->cleared |= buffers;
ctx->resolve |= buffers;
ctx->needs_flush = true;
if (buffers & PIPE_CLEAR_COLOR)
fd_resource(fb->cbufs[0]->texture)->dirty = true;
if (buffers & (PIPE_CLEAR_DEPTH | PIPE_CLEAR_STENCIL))
fd_resource(fb->zsbuf->texture)->dirty = true;
DBG("depth=%f, stencil=%u", depth, stencil);
if ((buffers & PIPE_CLEAR_COLOR) && fb->nr_cbufs)
colr = pack_rgba(fb->cbufs[0]->format, color->f);
/* emit generic state now: */
fd_state_emit(pctx, ctx->dirty &
(FD_DIRTY_BLEND | FD_DIRTY_VIEWPORT |
FD_DIRTY_FRAMEBUFFER | FD_DIRTY_SCISSOR));
fd_emit_vertex_bufs(ring, 0x9c, (struct fd_vertex_buf[]) {
{ .prsc = ctx->solid_vertexbuf, .size = 48 },
}, 1);
OUT_PKT3(ring, CP_SET_CONSTANT, 2);
OUT_RING(ring, CP_REG(REG_A2XX_VGT_INDX_OFFSET));
OUT_RING(ring, 0);
OUT_PKT3(ring, CP_SET_CONSTANT, 2);
OUT_RING(ring, CP_REG(REG_A2XX_VGT_VERTEX_REUSE_BLOCK_CNTL));
OUT_RING(ring, 0x0000028f);
fd_program_emit(ring, &ctx->solid_prog);
OUT_PKT0(ring, REG_A2XX_TC_CNTL_STATUS, 1);
OUT_RING(ring, A2XX_TC_CNTL_STATUS_L2_INVALIDATE);
OUT_PKT3(ring, CP_SET_CONSTANT, 2);
OUT_RING(ring, CP_REG(REG_A2XX_CLEAR_COLOR));
OUT_RING(ring, colr);
OUT_PKT3(ring, CP_SET_CONSTANT, 2);
OUT_RING(ring, CP_REG(REG_A2XX_A220_RB_LRZ_VSC_CONTROL));
OUT_RING(ring, 0x00000084);
OUT_PKT3(ring, CP_SET_CONSTANT, 2);
OUT_RING(ring, CP_REG(REG_A2XX_RB_COPY_CONTROL));
reg = 0;
if (buffers & (PIPE_CLEAR_DEPTH | PIPE_CLEAR_STENCIL)) {
reg |= A2XX_RB_COPY_CONTROL_DEPTH_CLEAR_ENABLE;
switch (fd_pipe2depth(fb->zsbuf->format)) {
case DEPTHX_24_8:
if (buffers & PIPE_CLEAR_DEPTH)
reg |= A2XX_RB_COPY_CONTROL_CLEAR_MASK(0xe);
if (buffers & PIPE_CLEAR_STENCIL)
reg |= A2XX_RB_COPY_CONTROL_CLEAR_MASK(0x1);
break;
case DEPTHX_16:
if (buffers & PIPE_CLEAR_DEPTH)
reg |= A2XX_RB_COPY_CONTROL_CLEAR_MASK(0xf);
break;
}
}
OUT_RING(ring, reg);
OUT_PKT3(ring, CP_SET_CONSTANT, 2);
OUT_RING(ring, CP_REG(REG_A2XX_RB_DEPTH_CLEAR));
reg = 0;
if (buffers & (PIPE_CLEAR_DEPTH | PIPE_CLEAR_STENCIL)) {
switch (fd_pipe2depth(fb->zsbuf->format)) {
case DEPTHX_24_8:
reg = (((uint32_t)(0xffffff * depth)) << 8) |
(stencil & 0xff);
break;
case DEPTHX_16:
reg = (uint32_t)(0xffffffff * depth);
break;
}
}
OUT_RING(ring, reg);
OUT_PKT3(ring, CP_SET_CONSTANT, 2);
OUT_RING(ring, CP_REG(REG_A2XX_RB_DEPTHCONTROL));
reg = 0;
if (buffers & PIPE_CLEAR_DEPTH) {
reg |= A2XX_RB_DEPTHCONTROL_ZFUNC(FUNC_ALWAYS) |
A2XX_RB_DEPTHCONTROL_Z_ENABLE |
A2XX_RB_DEPTHCONTROL_Z_WRITE_ENABLE |
A2XX_RB_DEPTHCONTROL_EARLY_Z_ENABLE;
}
if (buffers & PIPE_CLEAR_STENCIL) {
reg |= A2XX_RB_DEPTHCONTROL_STENCILFUNC(FUNC_ALWAYS) |
A2XX_RB_DEPTHCONTROL_STENCIL_ENABLE |
A2XX_RB_DEPTHCONTROL_STENCILZPASS(STENCIL_REPLACE);
}
OUT_RING(ring, reg);
OUT_PKT3(ring, CP_SET_CONSTANT, 3);
OUT_RING(ring, CP_REG(REG_A2XX_PA_CL_CLIP_CNTL));
OUT_RING(ring, 0x00000000); /* PA_CL_CLIP_CNTL */
OUT_RING(ring, A2XX_PA_SU_SC_MODE_CNTL_PROVOKING_VTX_LAST | /* PA_SU_SC_MODE_CNTL */
A2XX_PA_SU_SC_MODE_CNTL_FRONT_PTYPE(PC_DRAW_TRIANGLES) |
A2XX_PA_SU_SC_MODE_CNTL_BACK_PTYPE(PC_DRAW_TRIANGLES));
OUT_PKT3(ring, CP_SET_CONSTANT, 2);
OUT_RING(ring, CP_REG(REG_A2XX_PA_SC_AA_MASK));
OUT_RING(ring, 0x0000ffff);
OUT_PKT3(ring, CP_SET_CONSTANT, 3);
OUT_RING(ring, CP_REG(REG_A2XX_PA_SC_WINDOW_SCISSOR_TL));
OUT_RING(ring, xy2d(0,0)); /* PA_SC_WINDOW_SCISSOR_TL */
OUT_RING(ring, xy2d(fb->width, /* PA_SC_WINDOW_SCISSOR_BR */
fb->height));
OUT_PKT3(ring, CP_SET_CONSTANT, 2);
OUT_RING(ring, CP_REG(REG_A2XX_RB_COLOR_MASK));
if (buffers & PIPE_CLEAR_COLOR) {
OUT_RING(ring, A2XX_RB_COLOR_MASK_WRITE_RED |
A2XX_RB_COLOR_MASK_WRITE_GREEN |
A2XX_RB_COLOR_MASK_WRITE_BLUE |
A2XX_RB_COLOR_MASK_WRITE_ALPHA);
} else {
OUT_RING(ring, 0x0);
}
OUT_PKT3(ring, CP_DRAW_INDX, 3);
OUT_RING(ring, 0x00000000);
OUT_RING(ring, DRAW(DI_PT_RECTLIST, DI_SRC_SEL_AUTO_INDEX,
INDEX_SIZE_IGN, IGNORE_VISIBILITY));
OUT_RING(ring, 3); /* NumIndices */
OUT_PKT3(ring, CP_SET_CONSTANT, 2);
OUT_RING(ring, CP_REG(REG_A2XX_A220_RB_LRZ_VSC_CONTROL));
OUT_RING(ring, 0x00000000);
OUT_PKT3(ring, CP_SET_CONSTANT, 2);
OUT_RING(ring, CP_REG(REG_A2XX_RB_COPY_CONTROL));
OUT_RING(ring, 0x00000000);
ctx->dirty |= FD_DIRTY_ZSA |
FD_DIRTY_RASTERIZER |
FD_DIRTY_SAMPLE_MASK |
FD_DIRTY_PROG |
FD_DIRTY_CONSTBUF |
FD_DIRTY_BLEND;
}
static void
fd_clear_render_target(struct pipe_context *pctx, struct pipe_surface *ps,
const union pipe_color_union *color,
unsigned x, unsigned y, unsigned w, unsigned h)
{
DBG("TODO: x=%u, y=%u, w=%u, h=%u", x, y, w, h);
}
static void
fd_clear_depth_stencil(struct pipe_context *pctx, struct pipe_surface *ps,
unsigned buffers, double depth, unsigned stencil,
unsigned x, unsigned y, unsigned w, unsigned h)
{
DBG("TODO: buffers=%u, depth=%f, stencil=%u, x=%u, y=%u, w=%u, h=%u",
buffers, depth, stencil, x, y, w, h);
}
void
fd_clear_init(struct pipe_context *pctx)
{
pctx->clear = fd_clear;
pctx->clear_render_target = fd_clear_render_target;
pctx->clear_depth_stencil = fd_clear_depth_stencil;
}