SI_COMPUTE_CLEAR_DW_PER_THREAD;
unsigned instructions_per_thread = MAX2(1, dwords_per_thread / 4);
unsigned dwords_per_instruction = dwords_per_thread / instructions_per_thread;
- unsigned dwords_per_wave = dwords_per_thread * 64;
+ unsigned wave_size = sctx->screen->compute_wave_size;
+ unsigned dwords_per_wave = dwords_per_thread * wave_size;
unsigned num_dwords = size / 4;
unsigned num_instructions = DIV_ROUND_UP(num_dwords, dwords_per_instruction);
struct pipe_grid_info info = {};
- info.block[0] = MIN2(64, num_instructions);
+ info.block[0] = MIN2(wave_size, num_instructions);
info.block[1] = 1;
info.block[2] = 1;
info.grid[0] = DIV_ROUND_UP(num_dwords, dwords_per_wave);
if (!size)
return;
- unsigned clear_alignment = MIN2(clear_value_size, 4);
+ ASSERTED unsigned clear_alignment = MIN2(clear_value_size, 4);
assert(clear_value_size != 3 && clear_value_size != 6); /* 12 is allowed. */
assert(offset % clear_alignment == 0);
unsigned num_elements = tex->surface.u.gfx9.dcc_retile_num_elements;
struct pipe_image_view img[3];
- assert(tex->dcc_retile_map_offset && tex->dcc_retile_map_offset <= UINT_MAX);
- assert(tex->dcc_offset && tex->dcc_offset <= UINT_MAX);
- assert(tex->display_dcc_offset && tex->display_dcc_offset <= UINT_MAX);
+ assert(tex->surface.dcc_retile_map_offset && tex->surface.dcc_retile_map_offset <= UINT_MAX);
+ assert(tex->surface.dcc_offset && tex->surface.dcc_offset <= UINT_MAX);
+ assert(tex->surface.display_dcc_offset && tex->surface.display_dcc_offset <= UINT_MAX);
for (unsigned i = 0; i < 3; i++) {
img[i].resource = &tex->buffer.b.b;
img[0].format = use_uint16 ? PIPE_FORMAT_R16G16B16A16_UINT :
PIPE_FORMAT_R32G32B32A32_UINT;
- img[0].u.buf.offset = tex->dcc_retile_map_offset;
+ img[0].u.buf.offset = tex->surface.dcc_retile_map_offset;
img[0].u.buf.size = num_elements * (use_uint16 ? 2 : 4);
img[1].format = PIPE_FORMAT_R8_UINT;
- img[1].u.buf.offset = tex->dcc_offset;
+ img[1].u.buf.offset = tex->surface.dcc_offset;
img[1].u.buf.size = tex->surface.dcc_size;
img[2].format = PIPE_FORMAT_R8_UINT;
- img[2].u.buf.offset = tex->display_dcc_offset;
+ img[2].u.buf.offset = tex->surface.display_dcc_offset;
img[2].u.buf.size = tex->surface.u.gfx9.display_dcc_size;
ctx->set_shader_images(ctx, PIPE_SHADER_COMPUTE, 0, 3, img);
ctx->set_shader_images(ctx, PIPE_SHADER_COMPUTE, 0, 3, saved_img);
}
+/* Expand FMASK to make it identity, so that image stores can ignore it. */
+void si_compute_expand_fmask(struct pipe_context *ctx, struct pipe_resource *tex)
+{
+ struct si_context *sctx = (struct si_context *)ctx;
+ bool is_array = tex->target == PIPE_TEXTURE_2D_ARRAY;
+ unsigned log_fragments = util_logbase2(tex->nr_storage_samples);
+ unsigned log_samples = util_logbase2(tex->nr_samples);
+ assert(tex->nr_samples >= 2);
+
+ /* EQAA FMASK expansion is unimplemented. */
+ if (tex->nr_samples != tex->nr_storage_samples)
+ return;
+
+ si_compute_internal_begin(sctx);
+
+ /* Flush caches and sync engines. */
+ sctx->flags |= SI_CONTEXT_CS_PARTIAL_FLUSH |
+ si_get_flush_flags(sctx, SI_COHERENCY_SHADER, L2_STREAM);
+ si_make_CB_shader_coherent(sctx, tex->nr_samples, true,
+ true /* DCC is not possible with image stores */);
+
+ /* Save states. */
+ void *saved_cs = sctx->cs_shader_state.program;
+ struct pipe_image_view saved_image = {0};
+ util_copy_image_view(&saved_image, &sctx->images[PIPE_SHADER_COMPUTE].views[0]);
+
+ /* Bind the image. */
+ struct pipe_image_view image = {0};
+ image.resource = tex;
+ /* Don't set WRITE so as not to trigger FMASK expansion, causing
+ * an infinite loop. */
+ image.shader_access = image.access = PIPE_IMAGE_ACCESS_READ;
+ image.format = util_format_linear(tex->format);
+ if (is_array)
+ image.u.tex.last_layer = tex->array_size - 1;
+
+ ctx->set_shader_images(ctx, PIPE_SHADER_COMPUTE, 0, 1, &image);
+
+ /* Bind the shader. */
+ void **shader = &sctx->cs_fmask_expand[log_samples - 1][is_array];
+ if (!*shader)
+ *shader = si_create_fmask_expand_cs(ctx, tex->nr_samples, is_array);
+ ctx->bind_compute_state(ctx, *shader);
+
+ /* Dispatch compute. */
+ struct pipe_grid_info info = {0};
+ info.block[0] = 8;
+ info.last_block[0] = tex->width0 % 8;
+ info.block[1] = 8;
+ info.last_block[1] = tex->height0 % 8;
+ info.block[2] = 1;
+ info.grid[0] = DIV_ROUND_UP(tex->width0, 8);
+ info.grid[1] = DIV_ROUND_UP(tex->height0, 8);
+ info.grid[2] = is_array ? tex->array_size : 1;
+
+ ctx->launch_grid(ctx, &info);
+
+ /* Flush caches and sync engines. */
+ sctx->flags |= SI_CONTEXT_CS_PARTIAL_FLUSH |
+ (sctx->chip_class <= GFX8 ? SI_CONTEXT_WB_L2 : 0) |
+ si_get_flush_flags(sctx, SI_COHERENCY_SHADER, L2_STREAM);
+
+ /* Restore previous states. */
+ ctx->bind_compute_state(ctx, saved_cs);
+ ctx->set_shader_images(ctx, PIPE_SHADER_COMPUTE, 0, 1, &saved_image);
+ si_compute_internal_end(sctx);
+
+ /* Array of fully expanded FMASK values, arranged by [log2(fragments)][log2(samples)-1]. */
+#define INVALID 0 /* never used */
+ static const uint64_t fmask_expand_values[][4] = {
+ /* samples */
+ /* 2 (8 bpp) 4 (8 bpp) 8 (8-32bpp) 16 (16-64bpp) fragments */
+ {0x02020202, 0x0E0E0E0E, 0xFEFEFEFE, 0xFFFEFFFE}, /* 1 */
+ {0x02020202, 0xA4A4A4A4, 0xAAA4AAA4, 0xAAAAAAA4}, /* 2 */
+ {INVALID, 0xE4E4E4E4, 0x44443210, 0x4444444444443210}, /* 4 */
+ {INVALID, INVALID, 0x76543210, 0x8888888876543210}, /* 8 */
+ };
+
+ /* Clear FMASK to identity. */
+ struct si_texture *stex = (struct si_texture*)tex;
+ si_clear_buffer(sctx, tex, stex->surface.fmask_offset, stex->surface.fmask_size,
+ (uint32_t*)&fmask_expand_values[log_fragments][log_samples - 1],
+ 4, SI_COHERENCY_SHADER, false);
+}
+
void si_init_compute_blit_functions(struct si_context *sctx)
{
sctx->b.clear_buffer = si_pipe_clear_buffer;