/*
* gen7_fill_vertex_buffer_data populate vertex buffer with data.
*
* The vertex buffer consists of 3 vertices to construct a RECTLIST. The 4th
* vertex is implied (automatically derived by the HW). Each element has the
* destination offset, and the normalized texture offset (src). The rectangle
* itself will span the entire subsurface to be copied.
*
* see gen6_emit_vertex_elements
*/
static uint32_t
gen7_fill_vertex_buffer_data(struct intel_batchbuffer *batch,
struct igt_buf *src,
uint32_t src_x, uint32_t src_y,
uint32_t dst_x, uint32_t dst_y,
uint32_t width, uint32_t height)
{
void *start;
uint32_t offset;
batch_align(batch, 8);
start = batch->ptr;
emit_vertex_2s(batch, dst_x + width, dst_y + height);
emit_vertex_normalized(batch, src_x + width, igt_buf_width(src));
emit_vertex_normalized(batch, src_y + height, igt_buf_height(src));
emit_vertex_2s(batch, dst_x, dst_y + height);
emit_vertex_normalized(batch, src_x, igt_buf_width(src));
emit_vertex_normalized(batch, src_y + height, igt_buf_height(src));
emit_vertex_2s(batch, dst_x, dst_y);
emit_vertex_normalized(batch, src_x, igt_buf_width(src));
emit_vertex_normalized(batch, src_y, igt_buf_height(src));
offset = batch_offset(batch, start);
annotation_add_state(&aub_annotations, AUB_TRACE_VERTEX_BUFFER,
offset, 3 * VERTEX_SIZE);
return offset;
}
void gen6_render_copyfunc(struct intel_batchbuffer *batch,
struct scratch_buf *src, unsigned src_x, unsigned src_y,
unsigned width, unsigned height,
struct scratch_buf *dst, unsigned dst_x, unsigned dst_y)
{
uint32_t wm_state, wm_kernel, wm_table;
uint32_t cc_vp, cc_blend, offset;
uint32_t batch_end;
intel_batchbuffer_flush(batch);
batch->ptr = batch->buffer + 1024;
batch_alloc(batch, 64, 64);
wm_table = gen6_bind_surfaces(batch, src, dst);
wm_kernel = gen6_create_kernel(batch);
wm_state = gen6_create_sampler(batch,
SAMPLER_FILTER_NEAREST,
SAMPLER_EXTEND_NONE);
cc_vp = gen6_create_cc_viewport(batch);
cc_blend = gen6_create_cc_blend(batch);
batch->ptr = batch->buffer;
gen6_emit_invariant(batch);
gen6_emit_state_base_address(batch);
gen6_emit_sip(batch);
gen6_emit_urb(batch);
gen6_emit_viewports(batch, cc_vp);
gen6_emit_vs(batch);
gen6_emit_gs(batch);
gen6_emit_clip(batch);
gen6_emit_wm_constants(batch);
gen6_emit_null_depth_buffer(batch);
gen6_emit_drawing_rectangle(batch, dst);
gen6_emit_cc(batch, cc_blend);
gen6_emit_sampler(batch, wm_state);
gen6_emit_sf(batch);
gen6_emit_wm(batch, wm_kernel);
gen6_emit_vertex_elements(batch);
gen6_emit_binding_table(batch, wm_table);
gen6_emit_vertex_buffer(batch);
offset = gen6_emit_primitive(batch);
OUT_BATCH(MI_BATCH_BUFFER_END);
batch_end = batch_align(batch, 8);
*(uint32_t*)(batch->buffer + offset) =
batch_round_upto(batch, VERTEX_SIZE)/VERTEX_SIZE;
emit_vertex_2s(batch, dst_x + width, dst_y + height);
emit_vertex_normalized(batch, src_x + width, buf_width(src));
emit_vertex_normalized(batch, src_y + height, buf_height(src));
emit_vertex_2s(batch, dst_x, dst_y + height);
emit_vertex_normalized(batch, src_x, buf_width(src));
emit_vertex_normalized(batch, src_y + height, buf_height(src));
emit_vertex_2s(batch, dst_x, dst_y);
emit_vertex_normalized(batch, src_x, buf_width(src));
emit_vertex_normalized(batch, src_y, buf_height(src));
gen6_render_flush(batch, batch_end);
intel_batchbuffer_reset(batch);
}
