#include "brw_meta_util.h"
#include "brw_state.h"
#include "intel_fbo.h"
-#include "intel_debug.h"
+#include "common/gen_debug.h"
#define FILE_DEBUG_FLAG DEBUG_BLORP
key, key_size, kernel_out, prog_data_out);
}
-static void
+static bool
brw_blorp_upload_shader(struct blorp_context *blorp,
const void *key, uint32_t key_size,
const void *kernel, uint32_t kernel_size,
brw_upload_cache(&brw->cache, BRW_CACHE_BLORP_PROG, key, key_size,
kernel, kernel_size, prog_data, prog_data_size,
kernel_out, prog_data_out);
+ return true;
}
void
uint32_t lod,
uint32_t *offset)
{
- assert(mt->array_layout == ALL_SLICES_AT_EACH_LOD);
+ assert(mt->array_layout == GEN6_HIZ_STENCIL);
if (mt->format == MESA_FORMAT_S_UINT8) {
/* Note: we can't compute the stencil offset using
unsigned start_layer, unsigned num_layers,
struct isl_surf tmp_surfs[2])
{
+ const struct gen_device_info *devinfo = &brw->screen->devinfo;
+
if (mt->msaa_layout == INTEL_MSAA_LAYOUT_UMS ||
mt->msaa_layout == INTEL_MSAA_LAYOUT_CMS) {
const unsigned num_samples = MAX2(1, mt->num_samples);
};
if (brw->gen == 6 && mt->format == MESA_FORMAT_S_UINT8 &&
- mt->array_layout == ALL_SLICES_AT_EACH_LOD) {
- /* Sandy bridge stencil and HiZ use this ALL_SLICES_AT_EACH_LOD hack in
+ mt->array_layout == GEN6_HIZ_STENCIL) {
+ /* Sandy bridge stencil and HiZ use this GEN6_HIZ_STENCIL hack in
* order to allow for layered rendering. The hack makes each LOD of the
* stencil or HiZ buffer a single tightly packed array surface at some
* offset into the surface. Since ISL doesn't know how to deal with the
- * crazy ALL_SLICES_AT_EACH_LOD layout and since we have to do a manual
+ * crazy GEN6_HIZ_STENCIL layout and since we have to do a manual
* offset of it anyway, we might as well do the offset here and keep the
* hacks inside the i965 driver.
*
struct isl_surf *aux_surf = &tmp_surfs[1];
intel_miptree_get_aux_isl_surf(brw, mt, aux_surf, &surf->aux_usage);
+ if (mt->format == MESA_FORMAT_S_UINT8 && is_render_target &&
+ devinfo->gen <= 7)
+ mt->r8stencil_needs_update = true;
+
if (surf->aux_usage != ISL_AUX_USAGE_NONE) {
if (surf->aux_usage == ISL_AUX_USAGE_HIZ) {
/* If we're not going to use it as a depth buffer, resolve HiZ */
struct intel_mipmap_tree *hiz_mt = mt->hiz_buf->mt;
if (hiz_mt) {
- assert(brw->gen == 6 &&
- hiz_mt->array_layout == ALL_SLICES_AT_EACH_LOD);
+ assert(brw->gen == 6 && hiz_mt->array_layout == GEN6_HIZ_STENCIL);
/* gen6 requires the HiZ buffer to be manually offset to the
* right location. We could fixup the surf but it doesn't
assert(brw->format_supported_as_render_target[format]);
return brw->render_target_format[format];
} else {
- return brw_format_for_mesa_format(format);
+ return brw_isl_format_for_mesa_format(format);
}
break;
}
{
struct gl_context *ctx = &brw->ctx;
struct intel_renderbuffer *irb = intel_renderbuffer(rb);
+ if (!irb || !irb->mt) return false;
mesa_format format = irb->mt->format;
uint32_t x0, x1, y0, y1;
DBG("%s (fast) to mt %p level %d layers %d+%d\n", __FUNCTION__,
irb->mt, irb->mt_level, irb->mt_layer, num_layers);
+ /* Ivybrigde PRM Vol 2, Part 1, "11.7 MCS Buffer for Render Target(s)":
+ *
+ * "Any transition from any value in {Clear, Render, Resolve} to a
+ * different value in {Clear, Render, Resolve} requires end of pipe
+ * synchronization."
+ *
+ * In other words, fast clear ops are not properly synchronized with
+ * other drawing. We need to use a PIPE_CONTROL to ensure that the
+ * contents of the previous draw hit the render target before we resolve
+ * and again afterwards to ensure that the resolve is complete before we
+ * do any more regular drawing.
+ */
+ brw_emit_end_of_pipe_sync(brw, PIPE_CONTROL_RENDER_TARGET_FLUSH);
+
struct blorp_batch batch;
blorp_batch_init(&brw->blorp, &batch, brw, 0);
blorp_fast_clear(&batch, &surf,
x0, y0, x1, y1);
blorp_batch_finish(&batch);
+ brw_emit_end_of_pipe_sync(brw, PIPE_CONTROL_RENDER_TARGET_FLUSH);
+
/* Now that the fast clear has occurred, put the buffer in
* INTEL_FAST_CLEAR_STATE_CLEAR so that we won't waste time doing
* redundant clears.
blorp_batch_finish(&batch);
}
- /*
- * Ivybrigde PRM Vol 2, Part 1, "11.7 MCS Buffer for Render Target(s)":
- *
- * Any transition from any value in {Clear, Render, Resolve} to a
- * different value in {Clear, Render, Resolve} requires end of pipe
- * synchronization.
- */
- brw_emit_pipe_control_flush(brw,
- PIPE_CONTROL_RENDER_TARGET_FLUSH |
- PIPE_CONTROL_CS_STALL);
-
return true;
}
resolve_op = BLORP_FAST_CLEAR_OP_RESOLVE_FULL;
}
+ /* Ivybrigde PRM Vol 2, Part 1, "11.7 MCS Buffer for Render Target(s)":
+ *
+ * "Any transition from any value in {Clear, Render, Resolve} to a
+ * different value in {Clear, Render, Resolve} requires end of pipe
+ * synchronization."
+ *
+ * In other words, fast clear ops are not properly synchronized with
+ * other drawing. We need to use a PIPE_CONTROL to ensure that the
+ * contents of the previous draw hit the render target before we resolve
+ * and again afterwards to ensure that the resolve is complete before we
+ * do any more regular drawing.
+ */
+ brw_emit_end_of_pipe_sync(brw, PIPE_CONTROL_RENDER_TARGET_FLUSH);
+
+
struct blorp_batch batch;
blorp_batch_init(&brw->blorp, &batch, brw, 0);
blorp_ccs_resolve(&batch, &surf, level, layer,
resolve_op);
blorp_batch_finish(&batch);
- /*
- * Ivybrigde PRM Vol 2, Part 1, "11.7 MCS Buffer for Render Target(s)":
- *
- * Any transition from any value in {Clear, Render, Resolve} to a
- * different value in {Clear, Render, Resolve} requires end of pipe
- * synchronization.
- */
- brw_emit_pipe_control_flush(brw,
- PIPE_CONTROL_RENDER_TARGET_FLUSH |
- PIPE_CONTROL_CS_STALL);
+ /* See comment above */
+ brw_emit_end_of_pipe_sync(brw, PIPE_CONTROL_RENDER_TARGET_FLUSH);
}
static void
*/
void
intel_hiz_exec(struct brw_context *brw, struct intel_mipmap_tree *mt,
- unsigned int level, unsigned int layer, enum blorp_hiz_op op)
+ unsigned int level, unsigned int start_layer,
+ unsigned int num_layers, enum blorp_hiz_op op)
{
const char *opname = NULL;
break;
}
- DBG("%s %s to mt %p level %d layer %d\n",
- __func__, opname, mt, level, layer);
+ DBG("%s %s to mt %p level %d layers %d-%d\n",
+ __func__, opname, mt, level, start_layer, start_layer + num_layers - 1);
+
+ /* The following stalls and flushes are only documented to be required for
+ * HiZ clear operations. However, they also seem to be required for the
+ * HiZ resolve operation which is basically the same as a fast clear only a
+ * different value is written into the HiZ surface.
+ */
+ if (op == BLORP_HIZ_OP_DEPTH_CLEAR || op == BLORP_HIZ_OP_HIZ_RESOLVE) {
+ if (brw->gen == 6) {
+ /* From the Sandy Bridge PRM, volume 2 part 1, page 313:
+ *
+ * "If other rendering operations have preceded this clear, a
+ * PIPE_CONTROL with write cache flush enabled and Z-inhibit
+ * disabled must be issued before the rectangle primitive used for
+ * the depth buffer clear operation.
+ */
+ brw_emit_pipe_control_flush(brw,
+ PIPE_CONTROL_RENDER_TARGET_FLUSH |
+ PIPE_CONTROL_DEPTH_CACHE_FLUSH |
+ PIPE_CONTROL_CS_STALL);
+ } else if (brw->gen >= 7) {
+ /*
+ * From the Ivybridge PRM, volume 2, "Depth Buffer Clear":
+ *
+ * If other rendering operations have preceded this clear, a
+ * PIPE_CONTROL with depth cache flush enabled, Depth Stall bit
+ * enabled must be issued before the rectangle primitive used for
+ * the depth buffer clear operation.
+ *
+ * Same applies for Gen8 and Gen9.
+ *
+ * In addition, from the Ivybridge PRM, volume 2, 1.10.4.1
+ * PIPE_CONTROL, Depth Cache Flush Enable:
+ *
+ * This bit must not be set when Depth Stall Enable bit is set in
+ * this packet.
+ *
+ * This is confirmed to hold for real, HSW gets immediate gpu hangs.
+ *
+ * Therefore issue two pipe control flushes, one for cache flush and
+ * another for depth stall.
+ */
+ brw_emit_pipe_control_flush(brw,
+ PIPE_CONTROL_DEPTH_CACHE_FLUSH |
+ PIPE_CONTROL_CS_STALL);
+
+ brw_emit_pipe_control_flush(brw, PIPE_CONTROL_DEPTH_STALL);
+ }
+ }
if (brw->gen >= 8) {
- gen8_hiz_exec(brw, mt, level, layer, op);
+ for (unsigned a = 0; a < num_layers; a++)
+ gen8_hiz_exec(brw, mt, level, start_layer + a, op);
} else {
- gen6_blorp_hiz_exec(brw, mt, level, layer, op);
+ for (unsigned a = 0; a < num_layers; a++)
+ gen6_blorp_hiz_exec(brw, mt, level, start_layer + a, op);
+ }
+
+
+ /* The following stalls and flushes are only documented to be required for
+ * HiZ clear operations. However, they also seem to be required for the
+ * HiZ resolve operation which is basically the same as a fast clear only a
+ * different value is written into the HiZ surface.
+ */
+ if (op == BLORP_HIZ_OP_DEPTH_CLEAR || op == BLORP_HIZ_OP_HIZ_RESOLVE) {
+ if (brw->gen == 6) {
+ /* From the Sandy Bridge PRM, volume 2 part 1, page 314:
+ *
+ * "DevSNB, DevSNB-B{W/A}]: Depth buffer clear pass must be
+ * followed by a PIPE_CONTROL command with DEPTH_STALL bit set
+ * and Then followed by Depth FLUSH'
+ */
+ brw_emit_pipe_control_flush(brw,
+ PIPE_CONTROL_DEPTH_STALL);
+
+ brw_emit_pipe_control_flush(brw,
+ PIPE_CONTROL_DEPTH_CACHE_FLUSH |
+ PIPE_CONTROL_CS_STALL);
+ }
}
}
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