blob: 4a8fe5a2d45a35c0a0581e1e874e67eef19dbefd [file] [log] [blame]
#include <intel_bufmgr.h>
#include <i915_drm.h>
#include "media_fill.h"
#include "gen8_media.h"
#include "intel_reg.h"
#include "drmtest.h"
#include <assert.h>
static const uint32_t media_kernel[][4] = {
{ 0x00400001, 0x20202288, 0x00000020, 0x00000000 },
{ 0x00600001, 0x20800208, 0x008d0000, 0x00000000 },
{ 0x00200001, 0x20800208, 0x00450040, 0x00000000 },
{ 0x00000001, 0x20880608, 0x00000000, 0x000f000f },
{ 0x00800001, 0x20a00208, 0x00000020, 0x00000000 },
{ 0x00800001, 0x20e00208, 0x00000020, 0x00000000 },
{ 0x00800001, 0x21200208, 0x00000020, 0x00000000 },
{ 0x00800001, 0x21600208, 0x00000020, 0x00000000 },
{ 0x0c800031, 0x24000a40, 0x0e000080, 0x120a8000 },
{ 0x00600001, 0x2e000208, 0x008d0000, 0x00000000 },
{ 0x07800031, 0x20000a40, 0x0e000e00, 0x82000010 },
};
static uint32_t
batch_used(struct intel_batchbuffer *batch)
{
return batch->ptr - batch->buffer;
}
static uint32_t
batch_align(struct intel_batchbuffer *batch, uint32_t align)
{
uint32_t offset = batch_used(batch);
offset = ALIGN(offset, align);
batch->ptr = batch->buffer + offset;
return offset;
}
static void *
batch_alloc(struct intel_batchbuffer *batch, uint32_t size, uint32_t align)
{
uint32_t offset = batch_align(batch, align);
batch->ptr += size;
return memset(batch->buffer + offset, 0, size);
}
static uint32_t
batch_offset(struct intel_batchbuffer *batch, void *ptr)
{
return (uint8_t *)ptr - batch->buffer;
}
static uint32_t
batch_copy(struct intel_batchbuffer *batch, const void *ptr, uint32_t size, uint32_t align)
{
return batch_offset(batch, memcpy(batch_alloc(batch, size, align), ptr, size));
}
static void
gen8_render_flush(struct intel_batchbuffer *batch, uint32_t batch_end)
{
int ret;
ret = drm_intel_bo_subdata(batch->bo, 0, 4096, batch->buffer);
if (ret == 0)
ret = drm_intel_bo_mrb_exec(batch->bo, batch_end,
NULL, 0, 0, 0);
igt_assert(ret == 0);
}
static uint32_t
gen8_fill_curbe_buffer_data(struct intel_batchbuffer *batch,
uint8_t color)
{
uint8_t *curbe_buffer;
uint32_t offset;
curbe_buffer = batch_alloc(batch, sizeof(uint32_t) * 8, 64);
offset = batch_offset(batch, curbe_buffer);
*curbe_buffer = color;
return offset;
}
static uint32_t
gen8_fill_surface_state(struct intel_batchbuffer *batch,
struct igt_buf *buf,
uint32_t format,
int is_dst)
{
struct gen8_surface_state *ss;
uint32_t write_domain, read_domain, offset;
int ret;
if (is_dst) {
write_domain = read_domain = I915_GEM_DOMAIN_RENDER;
} else {
write_domain = 0;
read_domain = I915_GEM_DOMAIN_SAMPLER;
}
ss = batch_alloc(batch, sizeof(*ss), 64);
offset = batch_offset(batch, ss);
ss->ss0.surface_type = GEN8_SURFACE_2D;
ss->ss0.surface_format = format;
ss->ss0.render_cache_read_write = 1;
ss->ss0.vertical_alignment = 1; /* align 4 */
ss->ss0.horizontal_alignment = 1; /* align 4 */
if (buf->tiling == I915_TILING_X)
ss->ss0.tiled_mode = 2;
else if (buf->tiling == I915_TILING_Y)
ss->ss0.tiled_mode = 3;
ss->ss8.base_addr = buf->bo->offset;
ret = drm_intel_bo_emit_reloc(batch->bo,
batch_offset(batch, ss) + 8 * 4,
buf->bo, 0,
read_domain, write_domain);
igt_assert(ret == 0);
ss->ss2.height = igt_buf_height(buf) - 1;
ss->ss2.width = igt_buf_width(buf) - 1;
ss->ss3.pitch = buf->stride - 1;
ss->ss7.shader_chanel_select_r = 4;
ss->ss7.shader_chanel_select_g = 5;
ss->ss7.shader_chanel_select_b = 6;
ss->ss7.shader_chanel_select_a = 7;
return offset;
}
static uint32_t
gen8_fill_binding_table(struct intel_batchbuffer *batch,
struct igt_buf *dst)
{
uint32_t *binding_table, offset;
binding_table = batch_alloc(batch, 32, 64);
offset = batch_offset(batch, binding_table);
binding_table[0] = gen8_fill_surface_state(batch, dst, GEN8_SURFACEFORMAT_R8_UNORM, 1);
return offset;
}
static uint32_t
gen8_fill_media_kernel(struct intel_batchbuffer *batch,
const uint32_t kernel[][4],
size_t size)
{
uint32_t offset;
offset = batch_copy(batch, kernel, size, 64);
return offset;
}
static uint32_t
gen8_fill_interface_descriptor(struct intel_batchbuffer *batch, struct igt_buf *dst)
{
struct gen8_interface_descriptor_data *idd;
uint32_t offset;
uint32_t binding_table_offset, kernel_offset;
binding_table_offset = gen8_fill_binding_table(batch, dst);
kernel_offset = gen8_fill_media_kernel(batch, media_kernel, sizeof(media_kernel));
idd = batch_alloc(batch, sizeof(*idd), 64);
offset = batch_offset(batch, idd);
idd->desc0.kernel_start_pointer = (kernel_offset >> 6);
idd->desc2.single_program_flow = 1;
idd->desc2.floating_point_mode = GEN8_FLOATING_POINT_IEEE_754;
idd->desc3.sampler_count = 0; /* 0 samplers used */
idd->desc3.sampler_state_pointer = 0;
idd->desc4.binding_table_entry_count = 0;
idd->desc4.binding_table_pointer = (binding_table_offset >> 5);
idd->desc5.constant_urb_entry_read_offset = 0;
idd->desc5.constant_urb_entry_read_length = 1; /* grf 1 */
return offset;
}
static void
gen8_emit_state_base_address(struct intel_batchbuffer *batch)
{
OUT_BATCH(GEN8_STATE_BASE_ADDRESS | (16 - 2));
/* general */
OUT_BATCH(0 | BASE_ADDRESS_MODIFY);
OUT_BATCH(0);
/* stateless data port */
OUT_BATCH(0 | BASE_ADDRESS_MODIFY);
/* surface */
OUT_RELOC(batch->bo, I915_GEM_DOMAIN_SAMPLER, 0, BASE_ADDRESS_MODIFY);
/* dynamic */
OUT_RELOC(batch->bo, I915_GEM_DOMAIN_RENDER | I915_GEM_DOMAIN_INSTRUCTION,
0, BASE_ADDRESS_MODIFY);
/* indirect */
OUT_BATCH(0);
OUT_BATCH(0);
/* instruction */
OUT_RELOC(batch->bo, I915_GEM_DOMAIN_INSTRUCTION, 0, BASE_ADDRESS_MODIFY);
/* general state buffer size */
OUT_BATCH(0xfffff000 | 1);
/* dynamic state buffer size */
OUT_BATCH(1 << 12 | 1);
/* indirect object buffer size */
OUT_BATCH(0xfffff000 | 1);
/* intruction buffer size, must set modify enable bit, otherwise it may result in GPU hang */
OUT_BATCH(1 << 12 | 1);
}
static void
gen8_emit_vfe_state(struct intel_batchbuffer *batch)
{
OUT_BATCH(GEN8_MEDIA_VFE_STATE | (9 - 2));
/* scratch buffer */
OUT_BATCH(0);
OUT_BATCH(0);
/* number of threads & urb entries */
OUT_BATCH(1 << 16 |
2 << 8);
OUT_BATCH(0);
/* urb entry size & curbe size */
OUT_BATCH(2 << 16 |
2);
/* scoreboard */
OUT_BATCH(0);
OUT_BATCH(0);
OUT_BATCH(0);
}
static void
gen8_emit_curbe_load(struct intel_batchbuffer *batch, uint32_t curbe_buffer)
{
OUT_BATCH(GEN8_MEDIA_CURBE_LOAD | (4 - 2));
OUT_BATCH(0);
/* curbe total data length */
OUT_BATCH(64);
/* curbe data start address, is relative to the dynamics base address */
OUT_BATCH(curbe_buffer);
}
static void
gen8_emit_interface_descriptor_load(struct intel_batchbuffer *batch, uint32_t interface_descriptor)
{
OUT_BATCH(GEN8_MEDIA_INTERFACE_DESCRIPTOR_LOAD | (4 - 2));
OUT_BATCH(0);
/* interface descriptor data length */
OUT_BATCH(sizeof(struct gen8_interface_descriptor_data));
/* interface descriptor address, is relative to the dynamics base address */
OUT_BATCH(interface_descriptor);
}
static void
gen8_emit_media_state_flush(struct intel_batchbuffer *batch)
{
OUT_BATCH(GEN8_MEDIA_STATE_FLUSH | (2 - 2));
OUT_BATCH(0);
}
static void
gen8_emit_media_objects(struct intel_batchbuffer *batch,
unsigned x, unsigned y,
unsigned width, unsigned height)
{
int i, j;
for (i = 0; i < width / 16; i++) {
for (j = 0; j < height / 16; j++) {
OUT_BATCH(GEN8_MEDIA_OBJECT | (8 - 2));
/* interface descriptor offset */
OUT_BATCH(0);
/* without indirect data */
OUT_BATCH(0);
OUT_BATCH(0);
/* scoreboard */
OUT_BATCH(0);
OUT_BATCH(0);
/* inline data (xoffset, yoffset) */
OUT_BATCH(x + i * 16);
OUT_BATCH(y + j * 16);
gen8_emit_media_state_flush(batch);
}
}
}
/*
* This sets up the media pipeline,
*
* +---------------+ <---- 4096
* | ^ |
* | | |
* | various |
* | state |
* | | |
* |_______|_______| <---- 2048 + ?
* | ^ |
* | | |
* | batch |
* | commands |
* | | |
* | | |
* +---------------+ <---- 0 + ?
*
*/
#define BATCH_STATE_SPLIT 2048
void
gen8_media_fillfunc(struct intel_batchbuffer *batch,
struct igt_buf *dst,
unsigned x, unsigned y,
unsigned width, unsigned height,
uint8_t color)
{
uint32_t curbe_buffer, interface_descriptor;
uint32_t batch_end;
intel_batchbuffer_flush(batch);
/* setup states */
batch->ptr = &batch->buffer[BATCH_STATE_SPLIT];
curbe_buffer = gen8_fill_curbe_buffer_data(batch, color);
interface_descriptor = gen8_fill_interface_descriptor(batch, dst);
igt_assert(batch->ptr < &batch->buffer[4095]);
/* media pipeline */
batch->ptr = batch->buffer;
OUT_BATCH(GEN8_PIPELINE_SELECT | PIPELINE_SELECT_MEDIA);
gen8_emit_state_base_address(batch);
gen8_emit_vfe_state(batch);
gen8_emit_curbe_load(batch, curbe_buffer);
gen8_emit_interface_descriptor_load(batch, interface_descriptor);
gen8_emit_media_objects(batch, x, y, width, height);
OUT_BATCH(MI_BATCH_BUFFER_END);
batch_end = batch_align(batch, 8);
igt_assert(batch_end < BATCH_STATE_SPLIT);
gen8_render_flush(batch, batch_end);
intel_batchbuffer_reset(batch);
}