[Mesa-dev] [PATCH v02 3/3] genxml: Make BLEND_STATE command support variable length array.
Rafael Antognolli
rafael.antognolli at intel.com
Tue Apr 18 21:50:21 UTC 2017
We need to emit BLEND_STATE, which size is 1 + 2 * nr_draw_buffers
dwords (on gen8+), but the BLEND_STATE struct length is always 17. By
marking it size 1, which is actually the size of the struct minus the
BLEND_STATE_ENTRY's, we can emit a BLEND_STATE of variable number of
entries.
For gen6 and gen7 we set length to 0, since it only contains
BLEND_STATE_ENTRY's, and no other data.
With this change, we also change the code for blorp and anv to emit only
the needed BLEND_STATE_ENTRY's, instead of always emitting 16 dwords on
gen6-7 and 17 dwords on gen8+.
v2:
- Use designated initializers on blorp and remove 0 from
initialization (Jason)
- Default entries to disabled on Vulkan (Jason)
- Rebase code.
Signed-off-by: Rafael Antognolli <rafael.antognolli at intel.com>
---
src/intel/blorp/blorp_genX_exec.h | 37 ++++++++++++------
src/intel/genxml/gen6.xml | 4 +-
src/intel/genxml/gen7.xml | 4 +-
src/intel/genxml/gen75.xml | 4 +-
src/intel/genxml/gen8.xml | 4 +-
src/intel/genxml/gen9.xml | 4 +-
src/intel/vulkan/genX_pipeline.c | 65 ++++++++++++++++++--------------
7 files changed, 74 insertions(+), 48 deletions(-)
diff --git a/src/intel/blorp/blorp_genX_exec.h b/src/intel/blorp/blorp_genX_exec.h
index bbc391d..0bde2d2 100644
--- a/src/intel/blorp/blorp_genX_exec.h
+++ b/src/intel/blorp/blorp_genX_exec.h
@@ -858,20 +858,35 @@ static uint32_t
blorp_emit_blend_state(struct blorp_batch *batch,
const struct blorp_params *params)
{
+ struct GENX(BLEND_STATE) blend;
+ memset(&blend, 0, sizeof(blend));
+
uint32_t offset;
- blorp_emit_dynamic(batch, GENX(BLEND_STATE), blend, 64, &offset) {
- for (unsigned i = 0; i < params->num_draw_buffers; ++i) {
- blend.Entry[i].PreBlendColorClampEnable = true;
- blend.Entry[i].PostBlendColorClampEnable = true;
- blend.Entry[i].ColorClampRange = COLORCLAMP_RTFORMAT;
-
- blend.Entry[i].WriteDisableRed = params->color_write_disable[0];
- blend.Entry[i].WriteDisableGreen = params->color_write_disable[1];
- blend.Entry[i].WriteDisableBlue = params->color_write_disable[2];
- blend.Entry[i].WriteDisableAlpha = params->color_write_disable[3];
- }
+ int size = GENX(BLEND_STATE_length) * 4;
+ size += GENX(BLEND_STATE_ENTRY_length) * 4 * params->num_draw_buffers;
+ uint32_t *state = blorp_alloc_dynamic_state(batch, size, 64, &offset);
+ uint32_t *pos = state;
+
+ GENX(BLEND_STATE_pack)(NULL, pos, &blend);
+ pos += GENX(BLEND_STATE_length);
+
+ for (unsigned i = 0; i < params->num_draw_buffers; ++i) {
+ struct GENX(BLEND_STATE_ENTRY) entry = {
+ .PreBlendColorClampEnable = true,
+ .PostBlendColorClampEnable = true,
+ .ColorClampRange = COLORCLAMP_RTFORMAT,
+
+ .WriteDisableRed = params->color_write_disable[0],
+ .WriteDisableGreen = params->color_write_disable[1],
+ .WriteDisableBlue = params->color_write_disable[2],
+ .WriteDisableAlpha = params->color_write_disable[3],
+ };
+ GENX(BLEND_STATE_ENTRY_pack)(NULL, pos, &entry);
+ pos += GENX(BLEND_STATE_ENTRY_length);
}
+ blorp_flush_range(batch, state, size);
+
#if GEN_GEN >= 7
blorp_emit(batch, GENX(3DSTATE_BLEND_STATE_POINTERS), sp) {
sp.BlendStatePointer = offset;
diff --git a/src/intel/genxml/gen6.xml b/src/intel/genxml/gen6.xml
index 5083f07..3059bfc 100644
--- a/src/intel/genxml/gen6.xml
+++ b/src/intel/genxml/gen6.xml
@@ -452,8 +452,8 @@
<field name="Post-Blend Color Clamp Enable" start="32" end="32" type="bool"/>
</struct>
- <struct name="BLEND_STATE" length="16">
- <group count="8" start="0" size="64">
+ <struct name="BLEND_STATE" length="0">
+ <group count="0" start="0" size="64">
<field name="Entry" start="0" end="63" type="BLEND_STATE_ENTRY"/>
</group>
</struct>
diff --git a/src/intel/genxml/gen7.xml b/src/intel/genxml/gen7.xml
index ada8f74..867a1d4 100644
--- a/src/intel/genxml/gen7.xml
+++ b/src/intel/genxml/gen7.xml
@@ -507,8 +507,8 @@
<field name="Post-Blend Color Clamp Enable" start="32" end="32" type="bool"/>
</struct>
- <struct name="BLEND_STATE" length="16">
- <group count="8" start="0" size="64">
+ <struct name="BLEND_STATE" length="0">
+ <group count="0" start="0" size="64">
<field name="Entry" start="0" end="63" type="BLEND_STATE_ENTRY"/>
</group>
</struct>
diff --git a/src/intel/genxml/gen75.xml b/src/intel/genxml/gen75.xml
index 16d2d74..594e539 100644
--- a/src/intel/genxml/gen75.xml
+++ b/src/intel/genxml/gen75.xml
@@ -517,8 +517,8 @@
<field name="Post-Blend Color Clamp Enable" start="32" end="32" type="bool"/>
</struct>
- <struct name="BLEND_STATE" length="16">
- <group count="8" start="0" size="64">
+ <struct name="BLEND_STATE" length="0">
+ <group count="0" start="0" size="64">
<field name="Entry" start="0" end="63" type="BLEND_STATE_ENTRY"/>
</group>
</struct>
diff --git a/src/intel/genxml/gen8.xml b/src/intel/genxml/gen8.xml
index 1390fe6..4985342 100644
--- a/src/intel/genxml/gen8.xml
+++ b/src/intel/genxml/gen8.xml
@@ -546,7 +546,7 @@
<field name="Write Disable Blue" start="0" end="0" type="bool"/>
</struct>
- <struct name="BLEND_STATE" length="17">
+ <struct name="BLEND_STATE" length="1">
<field name="Alpha To Coverage Enable" start="31" end="31" type="bool"/>
<field name="Independent Alpha Blend Enable" start="30" end="30" type="bool"/>
<field name="Alpha To One Enable" start="29" end="29" type="bool"/>
@@ -556,7 +556,7 @@
<field name="Color Dither Enable" start="23" end="23" type="bool"/>
<field name="X Dither Offset" start="21" end="22" type="uint"/>
<field name="Y Dither Offset" start="19" end="20" type="uint"/>
- <group count="8" start="32" size="64">
+ <group count="0" start="32" size="64">
<field name="Entry" start="0" end="63" type="BLEND_STATE_ENTRY"/>
</group>
</struct>
diff --git a/src/intel/genxml/gen9.xml b/src/intel/genxml/gen9.xml
index 4bf0fb6..a620e78 100644
--- a/src/intel/genxml/gen9.xml
+++ b/src/intel/genxml/gen9.xml
@@ -555,7 +555,7 @@
<field name="Write Disable Blue" start="0" end="0" type="bool"/>
</struct>
- <struct name="BLEND_STATE" length="17">
+ <struct name="BLEND_STATE" length="1">
<field name="Alpha To Coverage Enable" start="31" end="31" type="bool"/>
<field name="Independent Alpha Blend Enable" start="30" end="30" type="bool"/>
<field name="Alpha To One Enable" start="29" end="29" type="bool"/>
@@ -565,7 +565,7 @@
<field name="Color Dither Enable" start="23" end="23" type="bool"/>
<field name="X Dither Offset" start="21" end="22" type="uint"/>
<field name="Y Dither Offset" start="19" end="20" type="uint"/>
- <group count="8" start="32" size="64">
+ <group count="0" start="32" size="64">
<field name="Entry" start="0" end="63" type="BLEND_STATE_ENTRY"/>
</group>
</struct>
diff --git a/src/intel/vulkan/genX_pipeline.c b/src/intel/vulkan/genX_pipeline.c
index 3fd1333..b00707f 100644
--- a/src/intel/vulkan/genX_pipeline.c
+++ b/src/intel/vulkan/genX_pipeline.c
@@ -862,28 +862,14 @@ emit_cb_state(struct anv_pipeline *pipeline,
{
struct anv_device *device = pipeline->device;
- const uint32_t num_dwords = GENX(BLEND_STATE_length);
- pipeline->blend_state =
- anv_state_pool_alloc(&device->dynamic_state_pool, num_dwords * 4, 64);
struct GENX(BLEND_STATE) blend_state = {
#if GEN_GEN >= 8
.AlphaToCoverageEnable = ms_info && ms_info->alphaToCoverageEnable,
.AlphaToOneEnable = ms_info && ms_info->alphaToOneEnable,
-#else
- /* Make sure it gets zeroed */
- .Entry = { { 0, }, },
#endif
};
- /* Default everything to disabled */
- for (uint32_t i = 0; i < 8; i++) {
- blend_state.Entry[i].WriteDisableAlpha = true;
- blend_state.Entry[i].WriteDisableRed = true;
- blend_state.Entry[i].WriteDisableGreen = true;
- blend_state.Entry[i].WriteDisableBlue = true;
- }
-
uint32_t surface_count = 0;
struct anv_pipeline_bind_map *map;
if (anv_pipeline_has_stage(pipeline, MESA_SHADER_FRAGMENT)) {
@@ -891,7 +877,17 @@ emit_cb_state(struct anv_pipeline *pipeline,
surface_count = map->surface_count;
}
+ const uint32_t num_dwords = GENX(BLEND_STATE_length) +
+ GENX(BLEND_STATE_ENTRY_length) * surface_count;
+ pipeline->blend_state =
+ anv_state_pool_alloc(&device->dynamic_state_pool, num_dwords * 4, 64);
+
bool has_writeable_rt = false;
+ uint32_t *state_pos = pipeline->blend_state.map;
+ state_pos += GENX(BLEND_STATE_length);
+#if GEN_GEN >= 8
+ struct GENX(BLEND_STATE_ENTRY) bs0 = { 0 };
+#endif
for (unsigned i = 0; i < surface_count; i++) {
struct anv_pipeline_binding *binding = &map->surface_to_descriptor[i];
@@ -902,14 +898,24 @@ emit_cb_state(struct anv_pipeline *pipeline,
/* We can have at most 8 attachments */
assert(i < 8);
- if (info == NULL || binding->index >= info->attachmentCount)
+ if (info == NULL || binding->index >= info->attachmentCount) {
+ /* Default everything to disabled */
+ struct GENX(BLEND_STATE_ENTRY) entry = {
+ .WriteDisableAlpha = true,
+ .WriteDisableRed = true,
+ .WriteDisableGreen = true,
+ .WriteDisableBlue = true,
+ };
+ GENX(BLEND_STATE_ENTRY_pack)(NULL, state_pos, &entry);
+ state_pos += GENX(BLEND_STATE_ENTRY_length);
continue;
+ }
assert(binding->binding == 0);
const VkPipelineColorBlendAttachmentState *a =
&info->pAttachments[binding->index];
- blend_state.Entry[i] = (struct GENX(BLEND_STATE_ENTRY)) {
+ struct GENX(BLEND_STATE_ENTRY) entry = {
#if GEN_GEN < 8
.AlphaToCoverageEnable = ms_info && ms_info->alphaToCoverageEnable,
.AlphaToOneEnable = ms_info && ms_info->alphaToOneEnable,
@@ -938,7 +944,7 @@ emit_cb_state(struct anv_pipeline *pipeline,
#if GEN_GEN >= 8
blend_state.IndependentAlphaBlendEnable = true;
#else
- blend_state.Entry[i].IndependentAlphaBlendEnable = true;
+ entry.IndependentAlphaBlendEnable = true;
#endif
}
@@ -953,26 +959,31 @@ emit_cb_state(struct anv_pipeline *pipeline,
*/
if (a->colorBlendOp == VK_BLEND_OP_MIN ||
a->colorBlendOp == VK_BLEND_OP_MAX) {
- blend_state.Entry[i].SourceBlendFactor = BLENDFACTOR_ONE;
- blend_state.Entry[i].DestinationBlendFactor = BLENDFACTOR_ONE;
+ entry.SourceBlendFactor = BLENDFACTOR_ONE;
+ entry.DestinationBlendFactor = BLENDFACTOR_ONE;
}
if (a->alphaBlendOp == VK_BLEND_OP_MIN ||
a->alphaBlendOp == VK_BLEND_OP_MAX) {
- blend_state.Entry[i].SourceAlphaBlendFactor = BLENDFACTOR_ONE;
- blend_state.Entry[i].DestinationAlphaBlendFactor = BLENDFACTOR_ONE;
+ entry.SourceAlphaBlendFactor = BLENDFACTOR_ONE;
+ entry.DestinationAlphaBlendFactor = BLENDFACTOR_ONE;
}
+ GENX(BLEND_STATE_ENTRY_pack)(NULL, state_pos, &entry);
+ state_pos += GENX(BLEND_STATE_ENTRY_length);
+#if GEN_GEN >= 8
+ if (i == 0)
+ bs0 = entry;
+#endif
}
#if GEN_GEN >= 8
- struct GENX(BLEND_STATE_ENTRY) *bs0 = &blend_state.Entry[0];
anv_batch_emit(&pipeline->batch, GENX(3DSTATE_PS_BLEND), blend) {
blend.AlphaToCoverageEnable = blend_state.AlphaToCoverageEnable;
blend.HasWriteableRT = has_writeable_rt;
- blend.ColorBufferBlendEnable = bs0->ColorBufferBlendEnable;
- blend.SourceAlphaBlendFactor = bs0->SourceAlphaBlendFactor;
- blend.DestinationAlphaBlendFactor = bs0->DestinationAlphaBlendFactor;
- blend.SourceBlendFactor = bs0->SourceBlendFactor;
- blend.DestinationBlendFactor = bs0->DestinationBlendFactor;
+ blend.ColorBufferBlendEnable = bs0.ColorBufferBlendEnable;
+ blend.SourceAlphaBlendFactor = bs0.SourceAlphaBlendFactor;
+ blend.DestinationAlphaBlendFactor = bs0.DestinationAlphaBlendFactor;
+ blend.SourceBlendFactor = bs0.SourceBlendFactor;
+ blend.DestinationBlendFactor = bs0.DestinationBlendFactor;
blend.AlphaTestEnable = false;
blend.IndependentAlphaBlendEnable =
blend_state.IndependentAlphaBlendEnable;
--
git-series 0.9.1
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