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/* -*- mode: C; c-file-style: "k&r"; tab-width 4; indent-tabs-mode: t; -*- */
/*
* Copyright (C) 2012-2013 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 "fd2_draw.h"
#include "fd2_context.h"
#include "fd2_emit.h"
#include "fd2_program.h"
#include "fd2_util.h"
#include "fd2_zsa.h"
static void
emit_cacheflush(struct fd_ringbuffer *ring)
{
unsigned i;
for (i = 0; i < 12; i++) {
OUT_PKT3(ring, CP_EVENT_WRITE, 1);
OUT_RING(ring, CACHE_FLUSH);
}
}
static void
emit_vertexbufs(struct fd_context *ctx)
{
struct fd_vertex_stateobj *vtx = ctx->vtx.vtx;
struct fd_vertexbuf_stateobj *vertexbuf = &ctx->vtx.vertexbuf;
struct fd2_vertex_buf bufs[PIPE_MAX_ATTRIBS];
unsigned i;
if (!vtx->num_elements)
return;
for (i = 0; i < vtx->num_elements; i++) {
struct pipe_vertex_element *elem = &vtx->pipe[i];
struct pipe_vertex_buffer *vb =
&vertexbuf->vb[elem->vertex_buffer_index];
bufs[i].offset = vb->buffer_offset;
bufs[i].size = fd_bo_size(fd_resource(vb->buffer)->bo);
bufs[i].prsc = vb->buffer;
}
// NOTE I believe the 0x78 (or 0x9c in solid_vp) relates to the
// CONST(20,0) (or CONST(26,0) in soliv_vp)
fd2_emit_vertex_bufs(ctx->ring, 0x78, bufs, vtx->num_elements);
}
static void
fd2_draw_vbo(struct fd_context *ctx, const struct pipe_draw_info *info)
{
struct fd_ringbuffer *ring = ctx->ring;
if (ctx->dirty & FD_DIRTY_VTXBUF)
emit_vertexbufs(ctx);
fd2_emit_state(ctx, ctx->dirty);
OUT_PKT3(ring, CP_SET_CONSTANT, 2);
OUT_RING(ring, CP_REG(REG_A2XX_VGT_INDX_OFFSET));
OUT_RING(ring, info->start);
OUT_PKT3(ring, CP_SET_CONSTANT, 2);
OUT_RING(ring, CP_REG(REG_A2XX_VGT_VERTEX_REUSE_BLOCK_CNTL));
OUT_RING(ring, 0x0000003b);
OUT_PKT0(ring, REG_A2XX_TC_CNTL_STATUS, 1);
OUT_RING(ring, A2XX_TC_CNTL_STATUS_L2_INVALIDATE);
OUT_WFI (ring);
OUT_PKT3(ring, CP_SET_CONSTANT, 3);
OUT_RING(ring, CP_REG(REG_A2XX_VGT_MAX_VTX_INDX));
OUT_RING(ring, info->max_index); /* VGT_MAX_VTX_INDX */
OUT_RING(ring, info->min_index); /* VGT_MIN_VTX_INDX */
fd_draw_emit(ctx, ring, IGNORE_VISIBILITY, info);
OUT_PKT3(ring, CP_SET_CONSTANT, 2);
OUT_RING(ring, CP_REG(REG_A2XX_UNKNOWN_2010));
OUT_RING(ring, 0x00000000);
emit_cacheflush(ring);
}
static void
fd2_clear(struct fd_context *ctx, unsigned buffers,
const union pipe_color_union *color, double depth, unsigned stencil)
{
struct fd2_context *fd2_ctx = fd2_context(ctx);
struct fd_ringbuffer *ring = ctx->ring;
struct pipe_framebuffer_state *fb = &ctx->framebuffer;
uint32_t reg, colr = 0;
if ((buffers & PIPE_CLEAR_COLOR) && fb->nr_cbufs)
colr = pack_rgba(fb->cbufs[0]->format, color->f);
/* emit generic state now: */
fd2_emit_state(ctx, ctx->dirty &
(FD_DIRTY_BLEND | FD_DIRTY_VIEWPORT |
FD_DIRTY_FRAMEBUFFER | FD_DIRTY_SCISSOR));
fd2_emit_vertex_bufs(ring, 0x9c, (struct fd2_vertex_buf[]) {
{ .prsc = fd2_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);
fd2_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;
default:
assert(1);
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_RB_STENCILREFMASK_BF));
OUT_RING(ring, 0xff000000 | A2XX_RB_STENCILREFMASK_BF_STENCILWRITEMASK(0xff));
OUT_RING(ring, 0xff000000 | A2XX_RB_STENCILREFMASK_STENCILWRITEMASK(0xff));
OUT_PKT3(ring, CP_SET_CONSTANT, 2);
OUT_RING(ring, CP_REG(REG_A2XX_RB_COLORCONTROL));
OUT_RING(ring, A2XX_RB_COLORCONTROL_ALPHA_FUNC(FUNC_ALWAYS) |
A2XX_RB_COLORCONTROL_BLEND_DISABLE |
A2XX_RB_COLORCONTROL_ROP_CODE(12) |
A2XX_RB_COLORCONTROL_DITHER_MODE(DITHER_DISABLE) |
A2XX_RB_COLORCONTROL_DITHER_TYPE(DITHER_PIXEL));
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_SET_CONSTANT, 3);
OUT_RING(ring, CP_REG(REG_A2XX_VGT_MAX_VTX_INDX));
OUT_RING(ring, 3); /* VGT_MAX_VTX_INDX */
OUT_RING(ring, 0); /* VGT_MIN_VTX_INDX */
fd_draw(ctx, ring, DI_PT_RECTLIST, IGNORE_VISIBILITY,
DI_SRC_SEL_AUTO_INDEX, 3, INDEX_SIZE_IGN, 0, 0, NULL);
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);
}
void
fd2_draw_init(struct pipe_context *pctx)
{
struct fd_context *ctx = fd_context(pctx);
ctx->draw_vbo = fd2_draw_vbo;
ctx->clear = fd2_clear;
}
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