Google Git
Sign in
android / platform / external / mesa3d / e5226cff75f / . / src / gallium / drivers / lima / lima_draw.c
blob: 088f33ef760e03607c5b6c525bbbc2091ccbe734 [file] [log] [blame]
/*
* Copyright (c) 2011-2013 Luc Verhaegen <libv@skynet.be>
* Copyright (c) 2017-2019 Lima Project
*
* 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, sub license,
* 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 NON-INFRINGEMENT. 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.
*
*/
#include "util/u_math.h"
#include "util/format/u_format.h"
#include "util/u_debug.h"
#include "util/u_half.h"
#include "util/u_helpers.h"
#include "util/u_inlines.h"
#include "util/u_pack_color.h"
#include "util/hash_table.h"
#include "util/u_split_draw.h"
#include "util/u_upload_mgr.h"
#include "util/u_prim.h"
#include "util/u_vbuf.h"
#include "lima_context.h"
#include "lima_screen.h"
#include "lima_resource.h"
#include "lima_program.h"
#include "lima_bo.h"
#include "lima_submit.h"
#include "lima_texture.h"
#include "lima_util.h"
#include "lima_fence.h"
#include "lima_format.h"
#include <drm-uapi/lima_drm.h>
struct lima_gp_frame_reg {
uint32_t vs_cmd_start;
uint32_t vs_cmd_end;
uint32_t plbu_cmd_start;
uint32_t plbu_cmd_end;
uint32_t tile_heap_start;
uint32_t tile_heap_end;
};
struct lima_pp_frame_reg {
uint32_t plbu_array_address;
uint32_t render_address;
uint32_t unused_0;
uint32_t flags;
uint32_t clear_value_depth;
uint32_t clear_value_stencil;
uint32_t clear_value_color;
uint32_t clear_value_color_1;
uint32_t clear_value_color_2;
uint32_t clear_value_color_3;
uint32_t width;
uint32_t height;
uint32_t fragment_stack_address;
uint32_t fragment_stack_size;
uint32_t unused_1;
uint32_t unused_2;
uint32_t one;
uint32_t supersampled_height;
uint32_t dubya;
uint32_t onscreen;
uint32_t blocking;
uint32_t scale;
uint32_t foureight;
};
struct lima_pp_wb_reg {
uint32_t type;
uint32_t address;
uint32_t pixel_format;
uint32_t downsample_factor;
uint32_t pixel_layout;
uint32_t pitch;
uint32_t mrt_bits;
uint32_t mrt_pitch;
uint32_t zero;
uint32_t unused0;
uint32_t unused1;
uint32_t unused2;
};
struct lima_render_state {
uint32_t blend_color_bg;
uint32_t blend_color_ra;
uint32_t alpha_blend;
uint32_t depth_test;
uint32_t depth_range;
uint32_t stencil_front;
uint32_t stencil_back;
uint32_t stencil_test;
uint32_t multi_sample;
uint32_t shader_address;
uint32_t varying_types;
uint32_t uniforms_address;
uint32_t textures_address;
uint32_t aux0;
uint32_t aux1;
uint32_t varyings_address;
};
/* plbu commands */
#define PLBU_CMD_BEGIN(max) { \
int i = 0, max_n = max; \
uint32_t *plbu_cmd = util_dynarray_ensure_cap(&ctx->plbu_cmd_array, ctx->plbu_cmd_array.size + max_n * 4);
#define PLBU_CMD_END() \
assert(i <= max_n); \
ctx->plbu_cmd_array.size += i * 4; \
}
#define PLBU_CMD(v1, v2) \
do { \
plbu_cmd[i++] = v1; \
plbu_cmd[i++] = v2; \
} while (0)
#define PLBU_CMD_BLOCK_STEP(shift_min, shift_h, shift_w) \
PLBU_CMD(((shift_min) << 28) | ((shift_h) << 16) | (shift_w), 0x1000010C)
#define PLBU_CMD_TILED_DIMENSIONS(tiled_w, tiled_h) \
PLBU_CMD((((tiled_w) - 1) << 24) | (((tiled_h) - 1) << 8), 0x10000109)
#define PLBU_CMD_BLOCK_STRIDE(block_w) PLBU_CMD((block_w) & 0xff, 0x30000000)
#define PLBU_CMD_ARRAY_ADDRESS(gp_stream, block_num) \
PLBU_CMD(gp_stream, 0x28000000 | ((block_num) - 1) | 1)
#define PLBU_CMD_VIEWPORT_LEFT(v) PLBU_CMD(v, 0x10000107)
#define PLBU_CMD_VIEWPORT_RIGHT(v) PLBU_CMD(v, 0x10000108)
#define PLBU_CMD_VIEWPORT_BOTTOM(v) PLBU_CMD(v, 0x10000105)
#define PLBU_CMD_VIEWPORT_TOP(v) PLBU_CMD(v, 0x10000106)
#define PLBU_CMD_ARRAYS_SEMAPHORE_BEGIN() PLBU_CMD(0x00010002, 0x60000000)
#define PLBU_CMD_ARRAYS_SEMAPHORE_END() PLBU_CMD(0x00010001, 0x60000000)
#define PLBU_CMD_PRIMITIVE_SETUP(force_point_size, cull, index_size) \
PLBU_CMD(0x2200 | ((force_point_size) ? 0x1000 : 0) | \
(cull) | ((index_size) << 9), 0x1000010B)
#define PLBU_CMD_RSW_VERTEX_ARRAY(rsw, gl_pos) \
PLBU_CMD(rsw, 0x80000000 | ((gl_pos) >> 4))
#define PLBU_CMD_SCISSORS(minx, maxx, miny, maxy) \
PLBU_CMD(((minx) << 30) | ((maxy) - 1) << 15 | (miny), \
0x70000000 | ((maxx) - 1) << 13 | ((minx) >> 2))
#define PLBU_CMD_UNKNOWN1() PLBU_CMD(0x00000000, 0x1000010A)
#define PLBU_CMD_UNKNOWN2() PLBU_CMD(0x00000200, 0x1000010B)
#define PLBU_CMD_LOW_PRIM_SIZE(v) PLBU_CMD(v, 0x1000010D)
#define PLBU_CMD_DEPTH_RANGE_NEAR(v) PLBU_CMD(v, 0x1000010E)
#define PLBU_CMD_DEPTH_RANGE_FAR(v) PLBU_CMD(v, 0x1000010F)
#define PLBU_CMD_INDEXED_DEST(gl_pos) PLBU_CMD(gl_pos, 0x10000100)
#define PLBU_CMD_INDEXED_PT_SIZE(pt_size) PLBU_CMD(pt_size, 0x10000102)
#define PLBU_CMD_INDICES(va) PLBU_CMD(va, 0x10000101)
#define PLBU_CMD_DRAW_ARRAYS(mode, start, count) \
PLBU_CMD(((count) << 24) | (start), (((mode) & 0x1F) << 16) | ((count) >> 8))
#define PLBU_CMD_DRAW_ELEMENTS(mode, start, count) \
PLBU_CMD(((count) << 24) | (start), \
0x00200000 | (((mode) & 0x1F) << 16) | ((count) >> 8))
/* vs commands */
#define VS_CMD_BEGIN(max) { \
int i = 0, max_n = max; \
uint32_t *vs_cmd = util_dynarray_ensure_cap(&ctx->vs_cmd_array, ctx->vs_cmd_array.size + max_n * 4);
#define VS_CMD_END() \
assert(i <= max_n); \
ctx->vs_cmd_array.size += i * 4; \
}
#define VS_CMD(v1, v2) \
do { \
vs_cmd[i++] = v1; \
vs_cmd[i++] = v2; \
} while (0)
#define VS_CMD_ARRAYS_SEMAPHORE_BEGIN_1() VS_CMD(0x00028000, 0x50000000)
#define VS_CMD_ARRAYS_SEMAPHORE_BEGIN_2() VS_CMD(0x00000001, 0x50000000)
#define VS_CMD_ARRAYS_SEMAPHORE_END(index_draw) \
VS_CMD((index_draw) ? 0x00018000 : 0x00000000, 0x50000000)
#define VS_CMD_UNIFORMS_ADDRESS(addr, size) \
VS_CMD(addr, 0x30000000 | ((size) << 12))
#define VS_CMD_SHADER_ADDRESS(addr, size) \
VS_CMD(addr, 0x40000000 | ((size) << 12))
#define VS_CMD_SHADER_INFO(prefetch, size) \
VS_CMD(((prefetch) << 20) | ((((size) >> 4) - 1) << 10), 0x10000040)
#define VS_CMD_VARYING_ATTRIBUTE_COUNT(nv, na) \
VS_CMD((((nv) - 1) << 8) | (((na) - 1) << 24), 0x10000042)
#define VS_CMD_UNKNOWN1() VS_CMD(0x00000003, 0x10000041)
#define VS_CMD_UNKNOWN2() VS_CMD(0x00000000, 0x60000000)
#define VS_CMD_ATTRIBUTES_ADDRESS(addr, na) \
VS_CMD(addr, 0x20000000 | ((na) << 17))
#define VS_CMD_VARYINGS_ADDRESS(addr, nv) \
VS_CMD(addr, 0x20000008 | ((nv) << 17))
#define VS_CMD_DRAW(num, index_draw) \
VS_CMD(((num) << 24) | ((index_draw) ? 1 : 0), ((num) >> 8))
static inline bool
lima_ctx_dirty(struct lima_context *ctx)
{
return ctx->plbu_cmd_array.size;
}
static inline struct lima_damage_region *
lima_ctx_get_damage(struct lima_context *ctx)
{
if (!ctx->framebuffer.base.nr_cbufs)
return NULL;
struct lima_surface *surf = lima_surface(ctx->framebuffer.base.cbufs[0]);
struct lima_resource *res = lima_resource(surf->base.texture);
return &res->damage;
}
static bool
lima_fb_need_reload(struct lima_context *ctx)
{
/* Depth buffer is always discarded */
if (!ctx->framebuffer.base.nr_cbufs)
return false;
struct lima_surface *surf = lima_surface(ctx->framebuffer.base.cbufs[0]);
struct lima_resource *res = lima_resource(surf->base.texture);
if (res->damage.region) {
/* for EGL_KHR_partial_update, when EGL_EXT_buffer_age is enabled,
* we need to reload damage region, otherwise just want to reload
* the region not aligned to tile boundary */
//if (!res->damage.aligned)
// return true;
return true;
}
else if (surf->reload)
return true;
return false;
}
static void
lima_pack_reload_plbu_cmd(struct lima_context *ctx)
{
#define lima_reload_render_state_offset 0x0000
#define lima_reload_gl_pos_offset 0x0040
#define lima_reload_varying_offset 0x0080
#define lima_reload_tex_desc_offset 0x00c0
#define lima_reload_tex_array_offset 0x0100
#define lima_reload_buffer_size 0x0140
void *cpu;
unsigned offset;
struct pipe_resource *pres = NULL;
u_upload_alloc(ctx->uploader, 0, lima_reload_buffer_size,
0x40, &offset, &pres, &cpu);
struct lima_resource *res = lima_resource(pres);
uint32_t va = res->bo->va + offset;
struct lima_screen *screen = lima_screen(ctx->base.screen);
uint32_t reload_shader_first_instr_size =
((uint32_t *)(screen->pp_buffer->map + pp_reload_program_offset))[0] & 0x1f;
uint32_t reload_shader_va = screen->pp_buffer->va + pp_reload_program_offset;
struct lima_render_state reload_render_state = {
.alpha_blend = 0xf03b1ad2,
.depth_test = 0x0000000e,
.depth_range = 0xffff0000,
.stencil_front = 0x00000007,
.stencil_back = 0x00000007,
.multi_sample = 0x0000f007,
.shader_address = reload_shader_va | reload_shader_first_instr_size,
.varying_types = 0x00000001,
.textures_address = va + lima_reload_tex_array_offset,
.aux0 = 0x00004021,
.varyings_address = va + lima_reload_varying_offset,
};
memcpy(cpu + lima_reload_render_state_offset, &reload_render_state,
sizeof(reload_render_state));
struct lima_context_framebuffer *fb = &ctx->framebuffer;
lima_tex_desc *td = cpu + lima_reload_tex_desc_offset;
memset(td, 0, lima_min_tex_desc_size);
lima_texture_desc_set_res(ctx, td, fb->base.cbufs[0]->texture, 0, 0);
td->unnorm_coords = 1;
td->texture_type = LIMA_TEXTURE_TYPE_2D;
td->min_img_filter_nearest = 1;
td->mag_img_filter_nearest = 1;
td->wrap_s_clamp_to_edge = 1;
td->wrap_t_clamp_to_edge = 1;
td->unknown_2_2 = 0x1;
uint32_t *ta = cpu + lima_reload_tex_array_offset;
ta[0] = va + lima_reload_tex_desc_offset;
float reload_gl_pos[] = {
fb->base.width, 0, 0, 1,
0, 0, 0, 1,
0, fb->base.height, 0, 1,
};
memcpy(cpu + lima_reload_gl_pos_offset, reload_gl_pos,
sizeof(reload_gl_pos));
float reload_varying[] = {
fb->base.width, 0, 0, 0,
0, fb->base.height, 0, 0,
};
memcpy(cpu + lima_reload_varying_offset, reload_varying,
sizeof(reload_varying));
lima_submit_add_bo(ctx->pp_submit, res->bo, LIMA_SUBMIT_BO_READ);
pipe_resource_reference(&pres, NULL);
PLBU_CMD_BEGIN(20);
PLBU_CMD_VIEWPORT_LEFT(0);
PLBU_CMD_VIEWPORT_RIGHT(fui(fb->base.width));
PLBU_CMD_VIEWPORT_BOTTOM(0);
PLBU_CMD_VIEWPORT_TOP(fui(fb->base.height));
PLBU_CMD_RSW_VERTEX_ARRAY(
va + lima_reload_render_state_offset,
va + lima_reload_gl_pos_offset);
PLBU_CMD_UNKNOWN2();
PLBU_CMD_UNKNOWN1();
PLBU_CMD_INDICES(screen->pp_buffer->va + pp_shared_index_offset);
PLBU_CMD_INDEXED_DEST(va + lima_reload_gl_pos_offset);
PLBU_CMD_DRAW_ELEMENTS(0xf, 0, 3);
PLBU_CMD_END();
}
static void
lima_pack_head_plbu_cmd(struct lima_context *ctx)
{
/* first draw need create a PLBU command header */
if (lima_ctx_dirty(ctx))
return;
struct lima_context_framebuffer *fb = &ctx->framebuffer;
PLBU_CMD_BEGIN(10);
PLBU_CMD_UNKNOWN2();
PLBU_CMD_BLOCK_STEP(fb->shift_min, fb->shift_h, fb->shift_w);
PLBU_CMD_TILED_DIMENSIONS(fb->tiled_w, fb->tiled_h);
PLBU_CMD_BLOCK_STRIDE(fb->block_w);
PLBU_CMD_ARRAY_ADDRESS(
ctx->plb_gp_stream->va + ctx->plb_index * ctx->plb_gp_size,
fb->block_w * fb->block_h);
PLBU_CMD_END();
if (lima_fb_need_reload(ctx))
lima_pack_reload_plbu_cmd(ctx);
}
static bool
lima_is_scissor_zero(struct lima_context *ctx)
{
if (!ctx->rasterizer || !ctx->rasterizer->base.scissor)
return false;
struct pipe_scissor_state *scissor = &ctx->scissor;
return
scissor->minx == scissor->maxx
&& scissor->miny == scissor->maxy;
}
static void
hilbert_rotate(int n, int *x, int *y, int rx, int ry)
{
if (ry == 0) {
if (rx == 1) {
*x = n-1 - *x;
*y = n-1 - *y;
}
/* Swap x and y */
int t = *x;
*x = *y;
*y = t;
}
}
static void
hilbert_coords(int n, int d, int *x, int *y)
{
int rx, ry, i, t=d;
*x = *y = 0;
for (i = 0; (1 << i) < n; i++) {
rx = 1 & (t / 2);
ry = 1 & (t ^ rx);
hilbert_rotate(1 << i, x, y, rx, ry);
*x += rx << i;
*y += ry << i;
t /= 4;
}
}
static int
lima_get_pp_stream_size(int num_pp, int tiled_w, int tiled_h, uint32_t *off)
{
/* carefully calculate each stream start address:
* 1. overflow: each stream size may be different due to
* fb->tiled_w * fb->tiled_h can't be divided by num_pp,
* extra size should be added to the preceeding stream
* 2. alignment: each stream address should be 0x20 aligned
*/
int delta = tiled_w * tiled_h / num_pp * 16 + 16;
int remain = tiled_w * tiled_h % num_pp;
int offset = 0;
for (int i = 0; i < num_pp; i++) {
off[i] = offset;
offset += delta;
if (remain) {
offset += 16;
remain--;
}
offset = align(offset, 0x20);
}
return offset;
}
static bool
inside_damage_region(int x, int y, struct lima_damage_region *ds)
{
if (!ds || !ds->region)
return true;
for (int i = 0; i < ds->num_region; i++) {
struct pipe_scissor_state *ss = ds->region + i;
if (x >= ss->minx && x < ss->maxx &&
y >= ss->miny && y < ss->maxy)
return true;
}
return false;
}
static void
lima_generate_pp_stream(struct lima_context *ctx, int off_x, int off_y,
int tiled_w, int tiled_h)
{
struct lima_pp_stream_state *ps = &ctx->pp_stream;
struct lima_context_framebuffer *fb = &ctx->framebuffer;
struct lima_damage_region *damage = lima_ctx_get_damage(ctx);
struct lima_screen *screen = lima_screen(ctx->base.screen);
int i, num_pp = screen->num_pp;
/* use hilbert_coords to generates 1D to 2D relationship.
* 1D for pp stream index and 2D for plb block x/y on framebuffer.
* if multi pp, interleave the 1D index to make each pp's render target
* close enough which should result close workload
*/
int max = MAX2(tiled_w, tiled_h);
int index = 0;
uint32_t *stream[4];
int si[4] = {0};
int dim = 0;
int count = 0;
/* Don't update count if we get zero rect. We'll just generate
* PP stream with just terminators in it.
*/
if ((tiled_w * tiled_h) != 0) {
dim = util_logbase2_ceil(max);
count = 1 << (dim + dim);
}
for (i = 0; i < num_pp; i++)
stream[i] = ps->bo->map + ps->bo_offset + ps->offset[i];
for (i = 0; i < count; i++) {
int x, y;
hilbert_coords(max, i, &x, &y);
if (x < tiled_w && y < tiled_h) {
x += off_x;
y += off_y;
if (!inside_damage_region(x, y, damage))
continue;
int pp = index % num_pp;
int offset = ((y >> fb->shift_h) * fb->block_w +
(x >> fb->shift_w)) * LIMA_CTX_PLB_BLK_SIZE;
int plb_va = ctx->plb[ctx->plb_index]->va + offset;
stream[pp][si[pp]++] = 0;
stream[pp][si[pp]++] = 0xB8000000 | x | (y << 8);
stream[pp][si[pp]++] = 0xE0000002 | ((plb_va >> 3) & ~0xE0000003);
stream[pp][si[pp]++] = 0xB0000000;
index++;
}
}
for (i = 0; i < num_pp; i++) {
stream[i][si[i]++] = 0;
stream[i][si[i]++] = 0xBC000000;
stream[i][si[i]++] = 0;
stream[i][si[i]++] = 0;
lima_dump_command_stream_print(
stream[i], si[i] * 4, false, "pp plb stream %d at va %x\n",
i, ps->bo->va + ps->bo_offset + ps->offset[i]);
}
}
static void
lima_update_damage_pp_stream(struct lima_context *ctx)
{
struct lima_damage_region *ds = lima_ctx_get_damage(ctx);
struct lima_context_framebuffer *fb = &ctx->framebuffer;
struct pipe_scissor_state bound;
if (ds && ds->region) {
struct pipe_scissor_state *dbound = &ds->bound;
bound.minx = MAX2(dbound->minx, ctx->damage_rect.minx >> 4);
bound.miny = MAX2(dbound->miny, ctx->damage_rect.miny >> 4);
bound.maxx = MIN2(dbound->maxx, (ctx->damage_rect.maxx + 0xf) >> 4);
bound.maxy = MIN2(dbound->maxy, (ctx->damage_rect.maxy + 0xf) >> 4);
} else {
bound.minx = ctx->damage_rect.minx >> 4;
bound.miny = ctx->damage_rect.miny >> 4;
bound.maxx = (ctx->damage_rect.maxx + 0xf) >> 4;
bound.maxy = (ctx->damage_rect.maxy + 0xf) >> 4;
}
/* Clamp to FB size */
bound.minx = MIN2(bound.minx, fb->tiled_w);
bound.miny = MIN2(bound.miny, fb->tiled_h);
bound.maxx = MIN2(bound.maxx, fb->tiled_w);
bound.maxy = MIN2(bound.maxy, fb->tiled_h);
int tiled_w = bound.maxx - bound.minx;
int tiled_h = bound.maxy - bound.miny;
struct lima_screen *screen = lima_screen(ctx->base.screen);
int size = lima_get_pp_stream_size(
screen->num_pp, tiled_w, tiled_h, ctx->pp_stream.offset);
void *cpu;
unsigned offset;
struct pipe_resource *pres = NULL;
u_upload_alloc(ctx->uploader, 0, size, 0x40, &offset, &pres, &cpu);
struct lima_resource *res = lima_resource(pres);
ctx->pp_stream.bo = res->bo;
ctx->pp_stream.bo_offset = offset;
lima_generate_pp_stream(ctx, bound.minx, bound.miny, tiled_w, tiled_h);
lima_submit_add_bo(ctx->pp_submit, res->bo, LIMA_SUBMIT_BO_READ);
pipe_resource_reference(&pres, NULL);
}
static void
lima_update_full_pp_stream(struct lima_context *ctx)
{
struct lima_context_framebuffer *fb = &ctx->framebuffer;
struct lima_ctx_plb_pp_stream_key key = {
.plb_index = ctx->plb_index,
.tiled_w = fb->tiled_w,
.tiled_h = fb->tiled_h,
};
struct hash_entry *entry =
_mesa_hash_table_search(ctx->plb_pp_stream, &key);
struct lima_ctx_plb_pp_stream *s = entry->data;
if (s->bo) {
ctx->pp_stream.bo = s->bo;
ctx->pp_stream.bo_offset = 0;
memcpy(ctx->pp_stream.offset, s->offset, sizeof(s->offset));
}
else {
struct lima_screen *screen = lima_screen(ctx->base.screen);
int size = lima_get_pp_stream_size(
screen->num_pp, fb->tiled_w, fb->tiled_h, s->offset);
s->bo = lima_bo_create(screen, size, 0);
lima_bo_map(s->bo);
ctx->pp_stream.bo = s->bo;
ctx->pp_stream.bo_offset = 0;
memcpy(ctx->pp_stream.offset, s->offset, sizeof(s->offset));
lima_generate_pp_stream(ctx, 0, 0, fb->tiled_w, fb->tiled_h);
}
lima_submit_add_bo(ctx->pp_submit, s->bo, LIMA_SUBMIT_BO_READ);
}
static bool
lima_damage_fullscreen(struct lima_context *ctx)
{
return ctx->damage_rect.minx == 0 &&
ctx->damage_rect.miny == 0 &&
ctx->damage_rect.maxx == ctx->framebuffer.base.width &&
ctx->damage_rect.maxy == ctx->framebuffer.base.height;
}
static void
lima_update_pp_stream(struct lima_context *ctx)
{
struct lima_damage_region *damage = lima_ctx_get_damage(ctx);
if ((damage && damage->region) || !lima_damage_fullscreen(ctx))
lima_update_damage_pp_stream(ctx);
else if (ctx->plb_pp_stream)
lima_update_full_pp_stream(ctx);
else
ctx->pp_stream.bo = NULL;
}
static void
lima_update_submit_bo(struct lima_context *ctx)
{
if (lima_ctx_dirty(ctx))
return;
struct lima_screen *screen = lima_screen(ctx->base.screen);
lima_submit_add_bo(ctx->gp_submit, ctx->plb_gp_stream, LIMA_SUBMIT_BO_READ);
lima_submit_add_bo(ctx->gp_submit, ctx->plb[ctx->plb_index], LIMA_SUBMIT_BO_WRITE);
lima_submit_add_bo(ctx->gp_submit, ctx->gp_tile_heap[ctx->plb_index], LIMA_SUBMIT_BO_WRITE);
lima_dump_command_stream_print(
ctx->plb_gp_stream->map + ctx->plb_index * ctx->plb_gp_size,
ctx->plb_gp_size, false, "gp plb stream at va %x\n",
ctx->plb_gp_stream->va + ctx->plb_index * ctx->plb_gp_size);
if (ctx->framebuffer.base.nr_cbufs) {
struct lima_resource *res = lima_resource(ctx->framebuffer.base.cbufs[0]->texture);
lima_submit_add_bo(ctx->pp_submit, res->bo, LIMA_SUBMIT_BO_WRITE);
}
if (ctx->framebuffer.base.zsbuf) {
struct lima_resource *res = lima_resource(ctx->framebuffer.base.zsbuf->texture);
lima_submit_add_bo(ctx->pp_submit, res->bo, LIMA_SUBMIT_BO_WRITE);
}
lima_submit_add_bo(ctx->pp_submit, ctx->plb[ctx->plb_index], LIMA_SUBMIT_BO_READ);
lima_submit_add_bo(ctx->pp_submit, ctx->gp_tile_heap[ctx->plb_index], LIMA_SUBMIT_BO_READ);
lima_submit_add_bo(ctx->pp_submit, screen->pp_buffer, LIMA_SUBMIT_BO_READ);
}
static void
lima_damage_rect_union(struct lima_context *ctx, unsigned minx, unsigned maxx, unsigned miny, unsigned maxy)
{
ctx->damage_rect.minx = MIN2(ctx->damage_rect.minx, minx);
ctx->damage_rect.miny = MIN2(ctx->damage_rect.miny, miny);
ctx->damage_rect.maxx = MAX2(ctx->damage_rect.maxx, maxx);
ctx->damage_rect.maxy = MAX2(ctx->damage_rect.maxy, maxy);
}
static void
lima_clear(struct pipe_context *pctx, unsigned buffers,
const union pipe_color_union *color, double depth, unsigned stencil)
{
struct lima_context *ctx = lima_context(pctx);
lima_flush(ctx);
/* no need to reload if cleared */
if (ctx->framebuffer.base.nr_cbufs && (buffers & PIPE_CLEAR_COLOR0)) {
struct lima_surface *surf = lima_surface(ctx->framebuffer.base.cbufs[0]);
surf->reload = false;
}
struct lima_context_clear *clear = &ctx->clear;
clear->buffers = buffers;
if (buffers & PIPE_CLEAR_COLOR0) {
clear->color_8pc =
((uint32_t)float_to_ubyte(color->f[3]) << 24) |
((uint32_t)float_to_ubyte(color->f[2]) << 16) |
((uint32_t)float_to_ubyte(color->f[1]) << 8) |
float_to_ubyte(color->f[0]);
clear->color_16pc =
((uint64_t)float_to_ushort(color->f[3]) << 48) |
((uint64_t)float_to_ushort(color->f[2]) << 32) |
((uint64_t)float_to_ushort(color->f[1]) << 16) |
float_to_ushort(color->f[0]);
}
if (buffers & PIPE_CLEAR_DEPTH)
clear->depth = util_pack_z(PIPE_FORMAT_Z24X8_UNORM, depth);
if (buffers & PIPE_CLEAR_STENCIL)
clear->stencil = stencil;
lima_update_submit_bo(ctx);
lima_pack_head_plbu_cmd(ctx);
ctx->dirty |= LIMA_CONTEXT_DIRTY_CLEAR;
lima_damage_rect_union(ctx, 0, ctx->framebuffer.base.width,
0, ctx->framebuffer.base.height);
}
enum lima_attrib_type {
LIMA_ATTRIB_FLOAT = 0x000,
/* todo: find out what lives here. */
LIMA_ATTRIB_I16 = 0x004,
LIMA_ATTRIB_U16 = 0x005,
LIMA_ATTRIB_I8 = 0x006,
LIMA_ATTRIB_U8 = 0x007,
LIMA_ATTRIB_I8N = 0x008,
LIMA_ATTRIB_U8N = 0x009,
LIMA_ATTRIB_I16N = 0x00A,
LIMA_ATTRIB_U16N = 0x00B,
/* todo: where is the 32 int */
/* todo: find out what lives here. */
LIMA_ATTRIB_FIXED = 0x101
};
static enum lima_attrib_type
lima_pipe_format_to_attrib_type(enum pipe_format format)
{
const struct util_format_description *desc = util_format_description(format);
int i = util_format_get_first_non_void_channel(format);
const struct util_format_channel_description *c = desc->channel + i;
switch (c->type) {
case UTIL_FORMAT_TYPE_FLOAT:
return LIMA_ATTRIB_FLOAT;
case UTIL_FORMAT_TYPE_FIXED:
return LIMA_ATTRIB_FIXED;
case UTIL_FORMAT_TYPE_SIGNED:
if (c->size == 8) {
if (c->normalized)
return LIMA_ATTRIB_I8N;
else
return LIMA_ATTRIB_I8;
}
else if (c->size == 16) {
if (c->normalized)
return LIMA_ATTRIB_I16N;
else
return LIMA_ATTRIB_I16;
}
break;
case UTIL_FORMAT_TYPE_UNSIGNED:
if (c->size == 8) {
if (c->normalized)
return LIMA_ATTRIB_U8N;
else
return LIMA_ATTRIB_U8;
}
else if (c->size == 16) {
if (c->normalized)
return LIMA_ATTRIB_U16N;
else
return LIMA_ATTRIB_U16;
}
break;
}
return LIMA_ATTRIB_FLOAT;
}
static void
lima_pack_vs_cmd(struct lima_context *ctx, const struct pipe_draw_info *info)
{
VS_CMD_BEGIN(24);
if (!info->index_size) {
VS_CMD_ARRAYS_SEMAPHORE_BEGIN_1();
VS_CMD_ARRAYS_SEMAPHORE_BEGIN_2();
}
int uniform_size = ctx->vs->uniform_pending_offset + ctx->vs->constant_size + 32;
VS_CMD_UNIFORMS_ADDRESS(
lima_ctx_buff_va(ctx, lima_ctx_buff_gp_uniform, LIMA_CTX_BUFF_SUBMIT_GP),
align(uniform_size, 16));
VS_CMD_SHADER_ADDRESS(ctx->vs->bo->va, ctx->vs->shader_size);
VS_CMD_SHADER_INFO(ctx->vs->prefetch, ctx->vs->shader_size);
int num_outputs = ctx->vs->num_outputs;
int num_attributes = ctx->vertex_elements->num_elements;
VS_CMD_VARYING_ATTRIBUTE_COUNT(num_outputs, MAX2(1, num_attributes));
VS_CMD_UNKNOWN1();
VS_CMD_ATTRIBUTES_ADDRESS(
lima_ctx_buff_va(ctx, lima_ctx_buff_gp_attribute_info, LIMA_CTX_BUFF_SUBMIT_GP),
MAX2(1, num_attributes));
VS_CMD_VARYINGS_ADDRESS(
lima_ctx_buff_va(ctx, lima_ctx_buff_gp_varying_info, LIMA_CTX_BUFF_SUBMIT_GP),
num_outputs);
unsigned num = info->index_size ? (ctx->max_index - ctx->min_index + 1) : info->count;
VS_CMD_DRAW(num, info->index_size);
VS_CMD_UNKNOWN2();
VS_CMD_ARRAYS_SEMAPHORE_END(info->index_size);
VS_CMD_END();
}
static void
lima_pack_plbu_cmd(struct lima_context *ctx, const struct pipe_draw_info *info)
{
struct lima_context_framebuffer *fb = &ctx->framebuffer;
struct lima_vs_shader_state *vs = ctx->vs;
unsigned minx, maxx, miny, maxy;
lima_pack_head_plbu_cmd(ctx);
/* If it's zero scissor, we skip adding all other commands */
if (lima_is_scissor_zero(ctx))
return;
PLBU_CMD_BEGIN(32);
PLBU_CMD_VIEWPORT_LEFT(fui(ctx->viewport.left));
PLBU_CMD_VIEWPORT_RIGHT(fui(ctx->viewport.right));
PLBU_CMD_VIEWPORT_BOTTOM(fui(ctx->viewport.bottom));
PLBU_CMD_VIEWPORT_TOP(fui(ctx->viewport.top));
if (!info->index_size)
PLBU_CMD_ARRAYS_SEMAPHORE_BEGIN();
int cf = ctx->rasterizer->base.cull_face;
int ccw = ctx->rasterizer->base.front_ccw;
uint32_t cull = 0;
bool force_point_size = false;
if (cf != PIPE_FACE_NONE) {
if (cf & PIPE_FACE_FRONT)
cull |= ccw ? 0x00040000 : 0x00020000;
if (cf & PIPE_FACE_BACK)
cull |= ccw ? 0x00020000 : 0x00040000;
}
/* Specify point size with PLBU command if shader doesn't write */
if (info->mode == PIPE_PRIM_POINTS && ctx->vs->point_size_idx == -1)
force_point_size = true;
/* Specify line width with PLBU command for lines */
if (info->mode > PIPE_PRIM_POINTS && info->mode < PIPE_PRIM_TRIANGLES)
force_point_size = true;
PLBU_CMD_PRIMITIVE_SETUP(force_point_size, cull, info->index_size);
PLBU_CMD_RSW_VERTEX_ARRAY(
lima_ctx_buff_va(ctx, lima_ctx_buff_pp_plb_rsw, LIMA_CTX_BUFF_SUBMIT_PP),
ctx->gp_output->va);
/* TODO
* - we should set it only for the first draw that enabled the scissor and for
* latter draw only if scissor is dirty
*/
if (ctx->rasterizer->base.scissor) {
struct pipe_scissor_state *scissor = &ctx->scissor;
minx = scissor->minx;
maxx = scissor->maxx;
miny = scissor->miny;
maxy = scissor->maxy;
} else {
minx = 0;
maxx = fb->base.width;
miny = 0;
maxy = fb->base.height;
}
minx = MAX2(minx, ctx->viewport.left);
maxx = MIN2(maxx, ctx->viewport.right);
miny = MAX2(miny, ctx->viewport.bottom);
maxy = MIN2(maxy, ctx->viewport.top);
PLBU_CMD_SCISSORS(minx, maxx, miny, maxy);
lima_damage_rect_union(ctx, minx, maxx, miny, maxy);
PLBU_CMD_UNKNOWN1();
PLBU_CMD_DEPTH_RANGE_NEAR(fui(ctx->viewport.near));
PLBU_CMD_DEPTH_RANGE_FAR(fui(ctx->viewport.far));
if ((info->mode == PIPE_PRIM_POINTS && ctx->vs->point_size_idx == -1) ||
((info->mode >= PIPE_PRIM_LINES) && (info->mode < PIPE_PRIM_TRIANGLES)))
{
uint32_t v = info->mode == PIPE_PRIM_POINTS ?
fui(ctx->rasterizer->base.point_size) : fui(ctx->rasterizer->base.line_width);
PLBU_CMD_LOW_PRIM_SIZE(v);
}
if (info->index_size) {
PLBU_CMD_INDEXED_DEST(ctx->gp_output->va);
if (vs->point_size_idx != -1)
PLBU_CMD_INDEXED_PT_SIZE(ctx->gp_output->va + ctx->gp_output_point_size_offt);
PLBU_CMD_INDICES(ctx->index_res->bo->va + info->start * info->index_size + ctx->index_offset);
}
else {
/* can this make the attribute info static? */
PLBU_CMD_DRAW_ARRAYS(info->mode, info->start, info->count);
}
PLBU_CMD_ARRAYS_SEMAPHORE_END();
if (info->index_size)
PLBU_CMD_DRAW_ELEMENTS(info->mode, ctx->min_index, info->count);
PLBU_CMD_END();
}
static int
lima_blend_func(enum pipe_blend_func pipe)
{
switch (pipe) {
case PIPE_BLEND_ADD:
return 2;
case PIPE_BLEND_SUBTRACT:
return 0;
case PIPE_BLEND_REVERSE_SUBTRACT:
return 1;
case PIPE_BLEND_MIN:
return 4;
case PIPE_BLEND_MAX:
return 5;
}
return -1;
}
static int
lima_blend_factor(enum pipe_blendfactor pipe)
{
switch (pipe) {
case PIPE_BLENDFACTOR_ONE:
return 11;
case PIPE_BLENDFACTOR_SRC_COLOR:
return 0;
case PIPE_BLENDFACTOR_SRC_ALPHA:
return 16;
case PIPE_BLENDFACTOR_DST_ALPHA:
return 17;
case PIPE_BLENDFACTOR_DST_COLOR:
return 1;
case PIPE_BLENDFACTOR_SRC_ALPHA_SATURATE:
return 7;
case PIPE_BLENDFACTOR_CONST_COLOR:
return 2;
case PIPE_BLENDFACTOR_CONST_ALPHA:
return 18;
case PIPE_BLENDFACTOR_ZERO:
return 3;
case PIPE_BLENDFACTOR_INV_SRC_COLOR:
return 8;
case PIPE_BLENDFACTOR_INV_SRC_ALPHA:
return 24;
case PIPE_BLENDFACTOR_INV_DST_ALPHA:
return 25;
case PIPE_BLENDFACTOR_INV_DST_COLOR:
return 9;
case PIPE_BLENDFACTOR_INV_CONST_COLOR:
return 10;
case PIPE_BLENDFACTOR_INV_CONST_ALPHA:
return 26;
case PIPE_BLENDFACTOR_SRC1_COLOR:
case PIPE_BLENDFACTOR_SRC1_ALPHA:
case PIPE_BLENDFACTOR_INV_SRC1_COLOR:
case PIPE_BLENDFACTOR_INV_SRC1_ALPHA:
return -1; /* not support */
}
return -1;
}
static int
lima_calculate_alpha_blend(enum pipe_blend_func rgb_func, enum pipe_blend_func alpha_func,
enum pipe_blendfactor rgb_src_factor, enum pipe_blendfactor rgb_dst_factor,
enum pipe_blendfactor alpha_src_factor, enum pipe_blendfactor alpha_dst_factor)
{
return lima_blend_func(rgb_func) |
(lima_blend_func(alpha_func) << 3) |
(lima_blend_factor(rgb_src_factor) << 6) |
(lima_blend_factor(rgb_dst_factor) << 11) |
((lima_blend_factor(alpha_src_factor) & 0xF) << 16) |
((lima_blend_factor(alpha_dst_factor) & 0xF) << 20) |
0x0C000000; /* need check if this GLESv1 glAlphaFunc */
}
static int
lima_stencil_op(enum pipe_stencil_op pipe)
{
switch (pipe) {
case PIPE_STENCIL_OP_KEEP:
return 0;
case PIPE_STENCIL_OP_ZERO:
return 2;
case PIPE_STENCIL_OP_REPLACE:
return 1;
case PIPE_STENCIL_OP_INCR:
return 6;
case PIPE_STENCIL_OP_DECR:
return 7;
case PIPE_STENCIL_OP_INCR_WRAP:
return 4;
case PIPE_STENCIL_OP_DECR_WRAP:
return 5;
case PIPE_STENCIL_OP_INVERT:
return 3;
}
return -1;
}
static unsigned
lima_calculate_depth_test(struct pipe_depth_state *depth, struct pipe_rasterizer_state *rst)
{
int offset_scale = 0, offset_units = 0;
enum pipe_compare_func func = (depth->enabled ? depth->func : PIPE_FUNC_ALWAYS);
offset_scale = CLAMP(rst->offset_scale * 4, -128, 127);
if (offset_scale < 0)
offset_scale += 0x100;
offset_units = CLAMP(rst->offset_units * 2, -128, 127);
if (offset_units < 0)
offset_units += 0x100;
return (depth->enabled && depth->writemask) |
((int)func << 1) |
(offset_scale << 16) |
(offset_units << 24) |
0x30; /* find out what is this */
}
static void
lima_pack_render_state(struct lima_context *ctx, const struct pipe_draw_info *info)
{
struct lima_render_state *render =
lima_ctx_buff_alloc(ctx, lima_ctx_buff_pp_plb_rsw,
sizeof(*render));
/* do hw support RGBA independ blend?
* PIPE_CAP_INDEP_BLEND_ENABLE
*
* how to handle the no cbuf only zbuf case?
*/
struct pipe_rt_blend_state *rt = ctx->blend->base.rt;
render->blend_color_bg = float_to_ubyte(ctx->blend_color.color[2]) |
(float_to_ubyte(ctx->blend_color.color[1]) << 16);
render->blend_color_ra = float_to_ubyte(ctx->blend_color.color[0]) |
(float_to_ubyte(ctx->blend_color.color[3]) << 16);
if (rt->blend_enable) {
render->alpha_blend = lima_calculate_alpha_blend(rt->rgb_func, rt->alpha_func,
rt->rgb_src_factor, rt->rgb_dst_factor,
rt->alpha_src_factor, rt->alpha_dst_factor);
}
else {
/*
* Special handling for blending disabled.
* Binary driver is generating the same alpha_value,
* as when we would just enable blending, without changing/setting any blend equation/params.
* Normaly in this case mesa would set all rt fields (func/factor) to zero.
*/
render->alpha_blend = lima_calculate_alpha_blend(PIPE_BLEND_ADD, PIPE_BLEND_ADD,
PIPE_BLENDFACTOR_ONE, PIPE_BLENDFACTOR_ZERO,
PIPE_BLENDFACTOR_ONE, PIPE_BLENDFACTOR_ZERO);
}
render->alpha_blend |= (rt->colormask & PIPE_MASK_RGBA) << 28;
struct pipe_rasterizer_state *rst = &ctx->rasterizer->base;
struct pipe_depth_state *depth = &ctx->zsa->base.depth;
render->depth_test = lima_calculate_depth_test(depth, rst);
ushort far, near;
near = float_to_ushort(ctx->viewport.near);
far = float_to_ushort(ctx->viewport.far);
/* Subtract epsilon from 'near' if far == near. Make sure we don't get overflow */
if ((far == near) && (near != 0))
near--;
/* overlap with plbu? any place can remove one? */
render->depth_range = near | (far << 16);
struct pipe_stencil_state *stencil = ctx->zsa->base.stencil;
struct pipe_stencil_ref *ref = &ctx->stencil_ref;
if (stencil[0].enabled) { /* stencil is enabled */
render->stencil_front = stencil[0].func |
(lima_stencil_op(stencil[0].fail_op) << 3) |
(lima_stencil_op(stencil[0].zfail_op) << 6) |
(lima_stencil_op(stencil[0].zpass_op) << 9) |
(ref->ref_value[0] << 16) |
(stencil[0].valuemask << 24);
render->stencil_back = render->stencil_front;
render->stencil_test = (stencil[0].writemask & 0xff) | (stencil[0].writemask & 0xff) << 8;
if (stencil[1].enabled) { /* two-side is enabled */
render->stencil_back = stencil[1].func |
(lima_stencil_op(stencil[1].fail_op) << 3) |
(lima_stencil_op(stencil[1].zfail_op) << 6) |
(lima_stencil_op(stencil[1].zpass_op) << 9) |
(ref->ref_value[1] << 16) |
(stencil[1].valuemask << 24);
render->stencil_test = (stencil[0].writemask & 0xff) | (stencil[1].writemask & 0xff) << 8;
}
/* TODO: Find out, what (render->stecil_test & 0xffff0000) is.
* 0x00ff0000 is probably (float_to_ubyte(alpha->ref_value) << 16)
* (render->multi_sample & 0x00000007 is probably the compare function
* of glAlphaFunc then.
*/
}
else {
/* Default values, when stencil is disabled:
* stencil[0|1].valuemask = 0xff
* stencil[0|1].func = PIPE_FUNC_ALWAYS
* stencil[0|1].writemask = 0xff
*/
render->stencil_front = 0xff000007;
render->stencil_back = 0xff000007;
render->stencil_test = 0x0000ffff;
}
/* need more investigation */
if (info->mode == PIPE_PRIM_POINTS)
render->multi_sample = 0x0000F007;
else if (info->mode < PIPE_PRIM_TRIANGLES)
render->multi_sample = 0x0000F407;
else
render->multi_sample = 0x0000F807;
if (ctx->framebuffer.base.samples)
render->multi_sample |= 0x68;
render->shader_address =
ctx->fs->bo->va | (((uint32_t *)ctx->fs->bo->map)[0] & 0x1F);
/* seems not needed */
render->uniforms_address = 0x00000000;
render->textures_address = 0x00000000;
/* more investigation */
render->aux0 = 0x00000300 | (ctx->vs->varying_stride >> 3);
render->aux1 = 0x00001000;
if (ctx->blend->base.dither)
render->aux1 |= 0x00002000;
if (ctx->tex_stateobj.num_samplers) {
render->textures_address =
lima_ctx_buff_va(ctx, lima_ctx_buff_pp_tex_desc, LIMA_CTX_BUFF_SUBMIT_PP);
render->aux0 |= ctx->tex_stateobj.num_samplers << 14;
render->aux0 |= 0x20;
}
if (ctx->const_buffer[PIPE_SHADER_FRAGMENT].buffer) {
render->uniforms_address =
lima_ctx_buff_va(ctx, lima_ctx_buff_pp_uniform_array, LIMA_CTX_BUFF_SUBMIT_PP);
uint32_t size = ctx->buffer_state[lima_ctx_buff_pp_uniform].size;
uint32_t bits = 0;
if (size >= 8) {
bits = util_last_bit(size >> 3) - 1;
bits += size & u_bit_consecutive(0, bits + 3) ? 1 : 0;
}
render->uniforms_address |= bits > 0xf ? 0xf : bits;
render->aux0 |= 0x80;
render->aux1 |= 0x10000;
}
if (ctx->vs->num_varyings) {
render->varying_types = 0x00000000;
render->varyings_address = ctx->gp_output->va +
ctx->gp_output_varyings_offt;
for (int i = 0, index = 0; i < ctx->vs->num_outputs; i++) {
int val;
if (i == ctx->vs->gl_pos_idx ||
i == ctx->vs->point_size_idx)
continue;
struct lima_varying_info *v = ctx->vs->varying + i;
if (v->component_size == 4)
val = v->components > 2 ? 0 : 1;
else
val = v->components > 2 ? 2 : 3;
if (index < 10)
render->varying_types |= val << (3 * index);
else if (index == 10) {
render->varying_types |= val << 30;
render->varyings_address |= val >> 2;
}
else if (index == 11)
render->varyings_address |= val << 1;
index++;
}
}
else {
render->varying_types = 0x00000000;
render->varyings_address = 0x00000000;
}
lima_dump_command_stream_print(
render, sizeof(*render), false, "add render state at va %x\n",
lima_ctx_buff_va(ctx, lima_ctx_buff_pp_plb_rsw, 0));
lima_dump_rsw_command_stream_print(render, sizeof(*render),
lima_ctx_buff_va(ctx, lima_ctx_buff_pp_plb_rsw, 0));
}
static void
lima_update_gp_attribute_info(struct lima_context *ctx, const struct pipe_draw_info *info)
{
struct lima_vertex_element_state *ve = ctx->vertex_elements;
struct lima_context_vertex_buffer *vb = &ctx->vertex_buffers;
uint32_t *attribute =
lima_ctx_buff_alloc(ctx, lima_ctx_buff_gp_attribute_info,
MAX2(1, ve->num_elements) * 8);
int n = 0;
for (int i = 0; i < ve->num_elements; i++) {
struct pipe_vertex_element *pve = ve->pipe + i;
assert(pve->vertex_buffer_index < vb->count);
assert(vb->enabled_mask & (1 << pve->vertex_buffer_index));
struct pipe_vertex_buffer *pvb = vb->vb + pve->vertex_buffer_index;
struct lima_resource *res = lima_resource(pvb->buffer.resource);
lima_submit_add_bo(ctx->gp_submit, res->bo, LIMA_SUBMIT_BO_READ);
unsigned start = info->index_size ? (ctx->min_index + info->index_bias) : info->start;
attribute[n++] = res->bo->va + pvb->buffer_offset + pve->src_offset
+ start * pvb->stride;
attribute[n++] = (pvb->stride << 11) |
(lima_pipe_format_to_attrib_type(pve->src_format) << 2) |
(util_format_get_nr_components(pve->src_format) - 1);
}
lima_dump_command_stream_print(
attribute, n * 4, false, "update attribute info at va %x\n",
lima_ctx_buff_va(ctx, lima_ctx_buff_gp_attribute_info, 0));
}
static void
lima_update_gp_uniform(struct lima_context *ctx)
{
struct lima_context_constant_buffer *ccb =
ctx->const_buffer + PIPE_SHADER_VERTEX;
struct lima_vs_shader_state *vs = ctx->vs;
int size = vs->uniform_pending_offset + vs->constant_size + 32;
void *vs_const_buff =
lima_ctx_buff_alloc(ctx, lima_ctx_buff_gp_uniform, size);
if (ccb->buffer)
memcpy(vs_const_buff, ccb->buffer, ccb->size);
memcpy(vs_const_buff + vs->uniform_pending_offset,
ctx->viewport.transform.scale,
sizeof(ctx->viewport.transform.scale));
memcpy(vs_const_buff + vs->uniform_pending_offset + 16,
ctx->viewport.transform.translate,
sizeof(ctx->viewport.transform.translate));
if (vs->constant)
memcpy(vs_const_buff + vs->uniform_pending_offset + 32,
vs->constant, vs->constant_size);
lima_dump_command_stream_print(
vs_const_buff, size, true,
"update gp uniform at va %x\n",
lima_ctx_buff_va(ctx, lima_ctx_buff_gp_uniform, 0));
}
static void
lima_update_pp_uniform(struct lima_context *ctx)
{
const float *const_buff = ctx->const_buffer[PIPE_SHADER_FRAGMENT].buffer;
size_t const_buff_size = ctx->const_buffer[PIPE_SHADER_FRAGMENT].size / sizeof(float);
if (!const_buff)
return;
uint16_t *fp16_const_buff =
lima_ctx_buff_alloc(ctx, lima_ctx_buff_pp_uniform,
const_buff_size * sizeof(uint16_t));
uint32_t *array =
lima_ctx_buff_alloc(ctx, lima_ctx_buff_pp_uniform_array, 4);
for (int i = 0; i < const_buff_size; i++)
fp16_const_buff[i] = util_float_to_half(const_buff[i]);
*array = lima_ctx_buff_va(ctx, lima_ctx_buff_pp_uniform, LIMA_CTX_BUFF_SUBMIT_PP);
lima_dump_command_stream_print(
fp16_const_buff, const_buff_size * 2, false, "add pp uniform data at va %x\n",
lima_ctx_buff_va(ctx, lima_ctx_buff_pp_uniform, 0));
lima_dump_command_stream_print(
array, 4, false, "add pp uniform info at va %x\n",
lima_ctx_buff_va(ctx, lima_ctx_buff_pp_uniform_array, 0));
}
static void
lima_update_varying(struct lima_context *ctx, const struct pipe_draw_info *info)
{
struct lima_screen *screen = lima_screen(ctx->base.screen);
struct lima_vs_shader_state *vs = ctx->vs;
uint32_t gp_output_size;
unsigned num = info->index_size ? (ctx->max_index - ctx->min_index + 1) : info->count;
uint32_t *varying =
lima_ctx_buff_alloc(ctx, lima_ctx_buff_gp_varying_info,
vs->num_outputs * 8);
int n = 0;
int offset = 0;
for (int i = 0; i < vs->num_outputs; i++) {
struct lima_varying_info *v = vs->varying + i;
if (i == vs->gl_pos_idx ||
i == vs->point_size_idx)
continue;
int size = v->component_size * 4;
/* does component_size == 2 need to be 16 aligned? */
if (v->component_size == 4)
offset = align(offset, 16);
v->offset = offset;
offset += size;
}
vs->varying_stride = align(offset, 16);
/* gl_Position is always present, allocate space for it */
gp_output_size = align(4 * 4 * num, 0x40);
/* Allocate space for varyings if there're any */
if (vs->num_varyings) {
ctx->gp_output_varyings_offt = gp_output_size;
gp_output_size += align(vs->varying_stride * num, 0x40);
}
/* Allocate space for gl_PointSize if it's there */
if (vs->point_size_idx != -1) {
ctx->gp_output_point_size_offt = gp_output_size;
gp_output_size += 4 * num;
}
/* gp_output can be too large for the suballocator, so create a
* separate bo for it. The bo cache should prevent performance hit.
*/
ctx->gp_output = lima_bo_create(screen, gp_output_size, 0);
assert(ctx->gp_output);
lima_submit_add_bo(ctx->gp_submit, ctx->gp_output, LIMA_SUBMIT_BO_WRITE);
lima_submit_add_bo(ctx->pp_submit, ctx->gp_output, LIMA_SUBMIT_BO_READ);
for (int i = 0; i < vs->num_outputs; i++) {
struct lima_varying_info *v = vs->varying + i;
if (i == vs->gl_pos_idx) {
/* gl_Position */
varying[n++] = ctx->gp_output->va;
varying[n++] = 0x8020;
} else if (i == vs->point_size_idx) {
/* gl_PointSize */
varying[n++] = ctx->gp_output->va + ctx->gp_output_point_size_offt;
varying[n++] = 0x2021;
} else {
/* Varying */
varying[n++] = ctx->gp_output->va + ctx->gp_output_varyings_offt +
v->offset;
varying[n++] = (vs->varying_stride << 11) | (v->components - 1) |
(v->component_size == 2 ? 0x0C : 0);
}
}
lima_dump_command_stream_print(
varying, n * 4, false, "update varying info at va %x\n",
lima_ctx_buff_va(ctx, lima_ctx_buff_gp_varying_info, 0));
}
static void
lima_draw_vbo_update(struct pipe_context *pctx,
const struct pipe_draw_info *info)
{
struct lima_context *ctx = lima_context(pctx);
lima_update_submit_bo(ctx);
lima_update_gp_attribute_info(ctx, info);
if ((ctx->dirty & LIMA_CONTEXT_DIRTY_CONST_BUFF &&
ctx->const_buffer[PIPE_SHADER_VERTEX].dirty) ||
ctx->dirty & LIMA_CONTEXT_DIRTY_VIEWPORT ||
ctx->dirty & LIMA_CONTEXT_DIRTY_SHADER_VERT) {
lima_update_gp_uniform(ctx);
ctx->const_buffer[PIPE_SHADER_VERTEX].dirty = false;
}
lima_update_varying(ctx, info);
/* If it's zero scissor, don't build vs cmd list */
if (!lima_is_scissor_zero(ctx))
lima_pack_vs_cmd(ctx, info);
if (ctx->dirty & LIMA_CONTEXT_DIRTY_CONST_BUFF &&
ctx->const_buffer[PIPE_SHADER_FRAGMENT].dirty) {
lima_update_pp_uniform(ctx);
ctx->const_buffer[PIPE_SHADER_FRAGMENT].dirty = false;
}
if (ctx->dirty & LIMA_CONTEXT_DIRTY_TEXTURES)
lima_update_textures(ctx);
lima_pack_render_state(ctx, info);
lima_pack_plbu_cmd(ctx, info);
if (ctx->gp_output) {
lima_bo_unreference(ctx->gp_output); /* held by submit */
ctx->gp_output = NULL;
}
ctx->dirty = 0;
}
static void
lima_draw_vbo_indexed(struct pipe_context *pctx,
const struct pipe_draw_info *info)
{
struct lima_context *ctx = lima_context(pctx);
struct pipe_resource *indexbuf = NULL;
/* Mali Utgard GPU always need min/max index info for index draw,
* compute it if upper layer does not do for us */
if (info->max_index == ~0u)
u_vbuf_get_minmax_index(pctx, info, &ctx->min_index, &ctx->max_index);
else {
ctx->min_index = info->min_index;
ctx->max_index = info->max_index;
}
if (info->has_user_indices) {
util_upload_index_buffer(&ctx->base, info, &indexbuf, &ctx->index_offset, 0x40);
ctx->index_res = lima_resource(indexbuf);
}
else {
ctx->index_res = lima_resource(info->index.resource);
ctx->index_offset = 0;
}
lima_submit_add_bo(ctx->gp_submit, ctx->index_res->bo, LIMA_SUBMIT_BO_READ);
lima_submit_add_bo(ctx->pp_submit, ctx->index_res->bo, LIMA_SUBMIT_BO_READ);
lima_draw_vbo_update(pctx, info);
if (indexbuf)
pipe_resource_reference(&indexbuf, NULL);
}
static void
lima_draw_vbo_count(struct pipe_context *pctx,
const struct pipe_draw_info *info)
{
static const uint32_t max_verts = 65535;
struct pipe_draw_info local_info = *info;
unsigned start = info->start;
unsigned count = info->count;
while (count) {
unsigned this_count = count;
unsigned step;
u_split_draw(info, max_verts, &this_count, &step);
local_info.start = start;
local_info.count = this_count;
lima_draw_vbo_update(pctx, &local_info);
count -= step;
start += step;
}
}
static void
lima_draw_vbo(struct pipe_context *pctx,
const struct pipe_draw_info *info)
{
/* check if draw mode and vertex/index count match,
* otherwise gp will hang */
if (!u_trim_pipe_prim(info->mode, (unsigned*)&info->count)) {
debug_printf("draw mode and vertex/index count mismatch\n");
return;
}
struct lima_context *ctx = lima_context(pctx);
if (!ctx->vs || !ctx->fs) {
debug_warn_once("no shader, skip draw\n");
return;
}
if (!lima_update_vs_state(ctx) || !lima_update_fs_state(ctx))
return;
lima_dump_command_stream_print(
ctx->vs->bo->map, ctx->vs->shader_size, false,
"add vs at va %x\n", ctx->vs->bo->va);
lima_dump_command_stream_print(
ctx->fs->bo->map, ctx->fs->shader_size, false,
"add fs at va %x\n", ctx->fs->bo->va);
lima_submit_add_bo(ctx->gp_submit, ctx->vs->bo, LIMA_SUBMIT_BO_READ);
lima_submit_add_bo(ctx->pp_submit, ctx->fs->bo, LIMA_SUBMIT_BO_READ);
if (info->index_size)
lima_draw_vbo_indexed(pctx, info);
else
lima_draw_vbo_count(pctx, info);
}
static void
lima_finish_plbu_cmd(struct lima_context *ctx)
{
int i = 0;
uint32_t *plbu_cmd = util_dynarray_ensure_cap(&ctx->plbu_cmd_array, ctx->plbu_cmd_array.size + 2 * 4);
plbu_cmd[i++] = 0x00000000;
plbu_cmd[i++] = 0x50000000; /* END */
ctx->plbu_cmd_array.size += i * 4;
}
static void
lima_pack_wb_zsbuf_reg(struct lima_context *ctx, uint32_t *wb_reg, int wb_idx)
{
struct lima_context_framebuffer *fb = &ctx->framebuffer;
struct lima_resource *res = lima_resource(fb->base.zsbuf->texture);
int level = fb->base.zsbuf->u.tex.level;
uint32_t format = lima_format_get_pixel(fb->base.zsbuf->format);
struct lima_pp_wb_reg *wb = (void *)wb_reg;
wb[wb_idx].type = 0x01; /* 1 for depth, stencil */
wb[wb_idx].address = res->bo->va + res->levels[level].offset;
wb[wb_idx].pixel_format = format;
if (res->tiled) {
wb[wb_idx].pixel_layout = 0x2;
wb[wb_idx].pitch = fb->tiled_w;
} else {
wb[wb_idx].pixel_layout = 0x0;
wb[wb_idx].pitch = res->levels[level].stride / 8;
}
wb[wb_idx].mrt_bits = 0;
}
static void
lima_pack_wb_cbuf_reg(struct lima_context *ctx, uint32_t *wb_reg, int wb_idx)
{
struct lima_context_framebuffer *fb = &ctx->framebuffer;
struct lima_resource *res = lima_resource(fb->base.cbufs[0]->texture);
int level = fb->base.cbufs[0]->u.tex.level;
unsigned layer = fb->base.cbufs[0]->u.tex.first_layer;
uint32_t format = lima_format_get_pixel(fb->base.cbufs[0]->format);
bool swap_channels = lima_format_get_swap_rb(fb->base.cbufs[0]->format);
struct lima_pp_wb_reg *wb = (void *)wb_reg;
wb[wb_idx].type = 0x02; /* 2 for color buffer */
wb[wb_idx].address = res->bo->va + res->levels[level].offset + layer * res->levels[level].layer_stride;
wb[wb_idx].pixel_format = format;
if (res->tiled) {
wb[wb_idx].pixel_layout = 0x2;
wb[wb_idx].pitch = fb->tiled_w;
} else {
wb[wb_idx].pixel_layout = 0x0;
wb[wb_idx].pitch = res->levels[level].stride / 8;
}
wb[wb_idx].mrt_bits = swap_channels ? 0x4 : 0x0;
}
static void
lima_pack_pp_frame_reg(struct lima_context *ctx, uint32_t *frame_reg,
uint32_t *wb_reg)
{
struct lima_context_framebuffer *fb = &ctx->framebuffer;
struct lima_pp_frame_reg *frame = (void *)frame_reg;
struct lima_screen *screen = lima_screen(ctx->base.screen);
int wb_idx = 0;
frame->render_address = screen->pp_buffer->va + pp_frame_rsw_offset;
frame->flags = 0x02;
frame->clear_value_depth = ctx->clear.depth;
frame->clear_value_stencil = ctx->clear.stencil;
frame->clear_value_color = ctx->clear.color_8pc;
frame->clear_value_color_1 = ctx->clear.color_8pc;
frame->clear_value_color_2 = ctx->clear.color_8pc;
frame->clear_value_color_3 = ctx->clear.color_8pc;
frame->one = 1;
frame->width = fb->base.width - 1;
frame->height = fb->base.height - 1;
/* frame->fragment_stack_address is overwritten per-pp in the kernel
* by the values of pp_frame.fragment_stack_address[i] */
/* These are "stack size" and "stack offset" shifted,
* here they are assumed to be always the same. */
frame->fragment_stack_size = ctx->pp_max_stack_size << 16 | ctx->pp_max_stack_size;
/* related with MSAA and different value when r4p0/r7p0 */
frame->supersampled_height = fb->base.height * 2 - 1;
frame->scale = 0xE0C;
frame->dubya = 0x77;
frame->onscreen = 1;
frame->blocking = (fb->shift_min << 28) | (fb->shift_h << 16) | fb->shift_w;
frame->foureight = 0x8888;
if (fb->base.nr_cbufs)
lima_pack_wb_cbuf_reg(ctx, wb_reg, wb_idx++);
/* Mali4x0 can use on-tile buffer for depth/stencil, so to save some
* memory bandwidth don't write depth/stencil back to memory if we're
* rendering to scanout
*/
if (!lima_is_scanout(ctx) && fb->base.zsbuf)
lima_pack_wb_zsbuf_reg(ctx, wb_reg, wb_idx++);
}
static void
_lima_flush(struct lima_context *ctx, bool end_of_frame)
{
#define pp_stack_pp_size 0x400
lima_finish_plbu_cmd(ctx);
int vs_cmd_size = ctx->vs_cmd_array.size;
int plbu_cmd_size = ctx->plbu_cmd_array.size;
uint32_t vs_cmd_va = 0;
uint32_t plbu_cmd_va;
if (vs_cmd_size) {
void *vs_cmd =
lima_ctx_buff_alloc(ctx, lima_ctx_buff_gp_vs_cmd, vs_cmd_size);
memcpy(vs_cmd, util_dynarray_begin(&ctx->vs_cmd_array), vs_cmd_size);
util_dynarray_clear(&ctx->vs_cmd_array);
vs_cmd_va = lima_ctx_buff_va(ctx, lima_ctx_buff_gp_vs_cmd,
LIMA_CTX_BUFF_SUBMIT_GP);
lima_dump_command_stream_print(
vs_cmd, vs_cmd_size, false, "flush vs cmd at va %x\n", vs_cmd_va);
lima_dump_vs_command_stream_print(vs_cmd, vs_cmd_size, vs_cmd_va);
}
void *plbu_cmd =
lima_ctx_buff_alloc(ctx, lima_ctx_buff_gp_plbu_cmd, plbu_cmd_size);
memcpy(plbu_cmd, util_dynarray_begin(&ctx->plbu_cmd_array), plbu_cmd_size);
util_dynarray_clear(&ctx->plbu_cmd_array);
plbu_cmd_va = lima_ctx_buff_va(ctx, lima_ctx_buff_gp_plbu_cmd,
LIMA_CTX_BUFF_SUBMIT_GP);
lima_dump_command_stream_print(
plbu_cmd, plbu_cmd_size, false, "flush plbu cmd at va %x\n", plbu_cmd_va);
lima_dump_plbu_command_stream_print(plbu_cmd, plbu_cmd_size, plbu_cmd_va);
struct lima_screen *screen = lima_screen(ctx->base.screen);
struct drm_lima_gp_frame gp_frame;
struct lima_gp_frame_reg *gp_frame_reg = (void *)gp_frame.frame;
gp_frame_reg->vs_cmd_start = vs_cmd_va;
gp_frame_reg->vs_cmd_end = vs_cmd_va + vs_cmd_size;
gp_frame_reg->plbu_cmd_start = plbu_cmd_va;
gp_frame_reg->plbu_cmd_end = plbu_cmd_va + plbu_cmd_size;
gp_frame_reg->tile_heap_start = ctx->gp_tile_heap[ctx->plb_index]->va;
gp_frame_reg->tile_heap_end = ctx->gp_tile_heap[ctx->plb_index]->va + gp_tile_heap_size;
lima_dump_command_stream_print(
&gp_frame, sizeof(gp_frame), false, "add gp frame\n");
if (!lima_submit_start(ctx->gp_submit, &gp_frame, sizeof(gp_frame)))
fprintf(stderr, "gp submit error\n");
if (lima_dump_command_stream) {
if (lima_submit_wait(ctx->gp_submit, PIPE_TIMEOUT_INFINITE)) {
if (ctx->gp_output) {
float *pos = lima_bo_map(ctx->gp_output);
lima_dump_command_stream_print(
pos, 4 * 4 * 16, true, "gl_pos dump at va %x\n",
ctx->gp_output->va);
}
uint32_t *plb = lima_bo_map(ctx->plb[ctx->plb_index]);
lima_dump_command_stream_print(
plb, LIMA_CTX_PLB_BLK_SIZE, false, "plb dump at va %x\n",
ctx->plb[ctx->plb_index]->va);
}
else {
fprintf(stderr, "gp submit wait error\n");
exit(1);
}
}
uint32_t pp_stack_va = 0;
if (ctx->pp_max_stack_size) {
lima_ctx_buff_alloc(ctx, lima_ctx_buff_pp_stack, screen->num_pp *
ctx->pp_max_stack_size * pp_stack_pp_size);
pp_stack_va = lima_ctx_buff_va(ctx, lima_ctx_buff_pp_stack,
LIMA_CTX_BUFF_SUBMIT_PP);
}
lima_update_pp_stream(ctx);
struct lima_pp_stream_state *ps = &ctx->pp_stream;
if (screen->gpu_type == DRM_LIMA_PARAM_GPU_ID_MALI400) {
struct drm_lima_m400_pp_frame pp_frame = {0};
lima_pack_pp_frame_reg(ctx, pp_frame.frame, pp_frame.wb);
pp_frame.num_pp = screen->num_pp;
for (int i = 0; i < screen->num_pp; i++) {
pp_frame.plbu_array_address[i] = ps->bo->va + ps->bo_offset + ps->offset[i];
if (ctx->pp_max_stack_size)
pp_frame.fragment_stack_address[i] = pp_stack_va +
ctx->pp_max_stack_size * pp_stack_pp_size * i;
}
lima_dump_command_stream_print(
&pp_frame, sizeof(pp_frame), false, "add pp frame\n");
if (!lima_submit_start(ctx->pp_submit, &pp_frame, sizeof(pp_frame)))
fprintf(stderr, "pp submit error\n");
}
else {
struct drm_lima_m450_pp_frame pp_frame = {0};
lima_pack_pp_frame_reg(ctx, pp_frame.frame, pp_frame.wb);
pp_frame.num_pp = screen->num_pp;
if (ctx->pp_max_stack_size)
for (int i = 0; i < screen->num_pp; i++)
pp_frame.fragment_stack_address[i] = pp_stack_va +
ctx->pp_max_stack_size * pp_stack_pp_size * i;
if (ps->bo) {
for (int i = 0; i < screen->num_pp; i++)
pp_frame.plbu_array_address[i] = ps->bo->va + ps->bo_offset + ps->offset[i];
}
else {
pp_frame.use_dlbu = true;
struct lima_context_framebuffer *fb = &ctx->framebuffer;
pp_frame.dlbu_regs[0] = ctx->plb[ctx->plb_index]->va;
pp_frame.dlbu_regs[1] = ((fb->tiled_h - 1) << 16) | (fb->tiled_w - 1);
unsigned s = util_logbase2(LIMA_CTX_PLB_BLK_SIZE) - 7;
pp_frame.dlbu_regs[2] = (s << 28) | (fb->shift_h << 16) | fb->shift_w;
pp_frame.dlbu_regs[3] = ((fb->tiled_h - 1) << 24) | ((fb->tiled_w - 1) << 16);
}
lima_dump_command_stream_print(
&pp_frame, sizeof(pp_frame), false, "add pp frame\n");
if (!lima_submit_start(ctx->pp_submit, &pp_frame, sizeof(pp_frame)))
fprintf(stderr, "pp submit error\n");
}
if (lima_dump_command_stream) {
if (!lima_submit_wait(ctx->pp_submit, PIPE_TIMEOUT_INFINITE)) {
fprintf(stderr, "pp wait error\n");
exit(1);
}
}
ctx->plb_index = (ctx->plb_index + 1) % lima_ctx_num_plb;
if (ctx->framebuffer.base.nr_cbufs) {
/* Set reload flag for next draw. It'll be unset if buffer is cleared */
struct lima_surface *surf = lima_surface(ctx->framebuffer.base.cbufs[0]);
surf->reload = true;
}
ctx->pp_max_stack_size = 0;
ctx->damage_rect.minx = ctx->damage_rect.miny = 0xffff;
ctx->damage_rect.maxx = ctx->damage_rect.maxy = 0;
lima_dump_file_next();
}
void
lima_flush(struct lima_context *ctx)
{
if (!lima_ctx_dirty(ctx))
return;
_lima_flush(ctx, false);
}
static void
lima_pipe_flush(struct pipe_context *pctx, struct pipe_fence_handle **fence,
unsigned flags)
{
struct lima_context *ctx = lima_context(pctx);
if (lima_ctx_dirty(ctx))
_lima_flush(ctx, flags & PIPE_FLUSH_END_OF_FRAME);
if (fence) {
int fd;
if (lima_submit_get_out_sync(ctx->pp_submit, &fd))
*fence = lima_fence_create(fd);
}
}
void
lima_draw_init(struct lima_context *ctx)
{
ctx->base.clear = lima_clear;
ctx->base.draw_vbo = lima_draw_vbo;
ctx->base.flush = lima_pipe_flush;
}