mesa/src/vulkan/runtime/vk_graphics_state.c

1089 lines
41 KiB
C

#include "vk_graphics_state.h"
#include "vk_alloc.h"
#include "vk_device.h"
#include "vk_log.h"
#include "vk_render_pass.h"
#include "vk_standard_sample_locations.h"
#include "vk_util.h"
#include <assert.h>
enum mesa_vk_graphics_state_groups {
MESA_VK_GRAPHICS_STATE_VERTEX_INPUT_BIT = (1 << 0),
MESA_VK_GRAPHICS_STATE_INPUT_ASSEMBLY_BIT = (1 << 1),
MESA_VK_GRAPHICS_STATE_TESSELLATION_BIT = (1 << 2),
MESA_VK_GRAPHICS_STATE_VIEWPORT_BIT = (1 << 3),
MESA_VK_GRAPHICS_STATE_DISCARD_RECTANGLES_BIT = (1 << 4),
MESA_VK_GRAPHICS_STATE_RASTERIZATION_BIT = (1 << 5),
MESA_VK_GRAPHICS_STATE_FRAGMENT_SHADING_RATE_BIT = (1 << 6),
MESA_VK_GRAPHICS_STATE_MULTISAMPLE_BIT = (1 << 7),
MESA_VK_GRAPHICS_STATE_DEPTH_STENCIL_BIT = (1 << 8),
MESA_VK_GRAPHICS_STATE_COLOR_BLEND_BIT = (1 << 9),
MESA_VK_GRAPHICS_STATE_RENDER_PASS_BIT = (1 << 10),
};
static void
clear_all_dynamic_state(BITSET_WORD *dynamic)
{
/* Clear the whole array so there are no undefined bits at the top */
memset(dynamic, 0, sizeof(*dynamic) *
BITSET_WORDS(MESA_VK_DYNAMIC_GRAPHICS_STATE_ENUM_MAX));
}
static void
get_dynamic_state_groups(BITSET_WORD *dynamic,
enum mesa_vk_graphics_state_groups groups)
{
clear_all_dynamic_state(dynamic);
if (groups & MESA_VK_GRAPHICS_STATE_VERTEX_INPUT_BIT) {
BITSET_SET(dynamic, MESA_VK_DYNAMIC_VI);
BITSET_SET(dynamic, MESA_VK_DYNAMIC_VI_BINDING_STRIDES);
}
if (groups & MESA_VK_GRAPHICS_STATE_INPUT_ASSEMBLY_BIT) {
BITSET_SET(dynamic, MESA_VK_DYNAMIC_IA_PRIMITIVE_TOPOLOGY);
BITSET_SET(dynamic, MESA_VK_DYNAMIC_IA_PRIMITIVE_RESTART_ENABLE);
}
if (groups & MESA_VK_GRAPHICS_STATE_TESSELLATION_BIT)
BITSET_SET(dynamic, MESA_VK_DYNAMIC_TS_PATCH_CONTROL_POINTS);
if (groups & MESA_VK_GRAPHICS_STATE_VIEWPORT_BIT) {
BITSET_SET(dynamic, MESA_VK_DYNAMIC_VP_VIEWPORT_COUNT);
BITSET_SET(dynamic, MESA_VK_DYNAMIC_VP_VIEWPORTS);
BITSET_SET(dynamic, MESA_VK_DYNAMIC_VP_SCISSOR_COUNT);
BITSET_SET(dynamic, MESA_VK_DYNAMIC_VP_SCISSORS);
}
if (groups & MESA_VK_GRAPHICS_STATE_DISCARD_RECTANGLES_BIT)
BITSET_SET(dynamic, MESA_VK_DYNAMIC_DR_RECTANGLES);
if (groups & MESA_VK_GRAPHICS_STATE_RASTERIZATION_BIT) {
BITSET_SET(dynamic, MESA_VK_DYNAMIC_RS_RASTERIZER_DISCARD_ENABLE);
BITSET_SET(dynamic, MESA_VK_DYNAMIC_RS_CULL_MODE);
BITSET_SET(dynamic, MESA_VK_DYNAMIC_RS_FRONT_FACE);
BITSET_SET(dynamic, MESA_VK_DYNAMIC_RS_DEPTH_BIAS_ENABLE);
BITSET_SET(dynamic, MESA_VK_DYNAMIC_RS_DEPTH_BIAS_FACTORS);
BITSET_SET(dynamic, MESA_VK_DYNAMIC_RS_LINE_WIDTH);
BITSET_SET(dynamic, MESA_VK_DYNAMIC_RS_LINE_STIPPLE);
}
if (groups & MESA_VK_GRAPHICS_STATE_FRAGMENT_SHADING_RATE_BIT)
BITSET_SET(dynamic, MESA_VK_DYNAMIC_FSR);
if (groups & MESA_VK_GRAPHICS_STATE_MULTISAMPLE_BIT)
BITSET_SET(dynamic, MESA_VK_DYNAMIC_MS_SAMPLE_LOCATIONS);
if (groups & MESA_VK_GRAPHICS_STATE_DEPTH_STENCIL_BIT) {
BITSET_SET(dynamic, MESA_VK_DYNAMIC_DS_DEPTH_TEST_ENABLE);
BITSET_SET(dynamic, MESA_VK_DYNAMIC_DS_DEPTH_WRITE_ENABLE);
BITSET_SET(dynamic, MESA_VK_DYNAMIC_DS_DEPTH_COMPARE_OP);
BITSET_SET(dynamic, MESA_VK_DYNAMIC_DS_DEPTH_BOUNDS_TEST_ENABLE);
BITSET_SET(dynamic, MESA_VK_DYNAMIC_DS_DEPTH_BOUNDS_TEST_BOUNDS);
BITSET_SET(dynamic, MESA_VK_DYNAMIC_DS_STENCIL_TEST_ENABLE);
BITSET_SET(dynamic, MESA_VK_DYNAMIC_DS_STENCIL_OP);
BITSET_SET(dynamic, MESA_VK_DYNAMIC_DS_STENCIL_COMPARE_MASK);
BITSET_SET(dynamic, MESA_VK_DYNAMIC_DS_STENCIL_WRITE_MASK);
BITSET_SET(dynamic, MESA_VK_DYNAMIC_DS_STENCIL_REFERENCE);
}
if (groups & MESA_VK_GRAPHICS_STATE_COLOR_BLEND_BIT) {
BITSET_SET(dynamic, MESA_VK_DYNAMIC_CB_LOGIC_OP);
BITSET_SET(dynamic, MESA_VK_DYNAMIC_CB_COLOR_WRITE_ENABLES);
BITSET_SET(dynamic, MESA_VK_DYNAMIC_CB_BLEND_CONSTANTS);
}
}
static void
validate_dynamic_state_groups(const BITSET_WORD *dynamic,
enum mesa_vk_graphics_state_groups groups)
{
#ifndef NDEBUG
BITSET_DECLARE(all_dynamic, MESA_VK_DYNAMIC_GRAPHICS_STATE_ENUM_MAX);
get_dynamic_state_groups(all_dynamic, groups);
for (uint32_t w = 0; w < ARRAY_SIZE(all_dynamic); w++)
assert(!(dynamic[w] & ~all_dynamic[w]));
#endif
}
void
vk_get_dynamic_graphics_states(BITSET_WORD *dynamic,
const VkPipelineDynamicStateCreateInfo *info)
{
clear_all_dynamic_state(dynamic);
/* From the Vulkan 1.3.218 spec:
*
* "pDynamicState is a pointer to a VkPipelineDynamicStateCreateInfo
* structure defining which properties of the pipeline state object are
* dynamic and can be changed independently of the pipeline state. This
* can be NULL, which means no state in the pipeline is considered
* dynamic."
*/
if (info == NULL)
return;
#define CASE(VK, MESA) \
case VK_DYNAMIC_STATE_##VK: \
BITSET_SET(dynamic, MESA_VK_DYNAMIC_##MESA); \
break;
#define CASE2(VK, MESA1, MESA2) \
case VK_DYNAMIC_STATE_##VK: \
BITSET_SET(dynamic, MESA_VK_DYNAMIC_##MESA1); \
BITSET_SET(dynamic, MESA_VK_DYNAMIC_##MESA2); \
break;
for (uint32_t i = 0; i < info->dynamicStateCount; i++) {
switch (info->pDynamicStates[i]) {
CASE2(VERTEX_INPUT_EXT, VI, VI_BINDING_STRIDES)
CASE( VERTEX_INPUT_BINDING_STRIDE, VI_BINDING_STRIDES)
CASE( VIEWPORT, VP_VIEWPORTS)
CASE( SCISSOR, VP_SCISSORS)
CASE( LINE_WIDTH, RS_LINE_WIDTH)
CASE( DEPTH_BIAS, RS_DEPTH_BIAS_FACTORS)
CASE( BLEND_CONSTANTS, CB_BLEND_CONSTANTS)
CASE( DEPTH_BOUNDS, DS_DEPTH_BOUNDS_TEST_BOUNDS)
CASE( STENCIL_COMPARE_MASK, DS_STENCIL_COMPARE_MASK)
CASE( STENCIL_WRITE_MASK, DS_STENCIL_WRITE_MASK)
CASE( STENCIL_REFERENCE, DS_STENCIL_REFERENCE)
CASE( CULL_MODE, RS_CULL_MODE)
CASE( FRONT_FACE, RS_FRONT_FACE)
CASE( PRIMITIVE_TOPOLOGY, IA_PRIMITIVE_TOPOLOGY)
CASE2(VIEWPORT_WITH_COUNT, VP_VIEWPORT_COUNT, VP_VIEWPORTS)
CASE2(SCISSOR_WITH_COUNT, VP_SCISSOR_COUNT, VP_SCISSORS)
CASE( DEPTH_TEST_ENABLE, DS_DEPTH_TEST_ENABLE)
CASE( DEPTH_WRITE_ENABLE, DS_DEPTH_WRITE_ENABLE)
CASE( DEPTH_COMPARE_OP, DS_DEPTH_COMPARE_OP)
CASE( DEPTH_BOUNDS_TEST_ENABLE, DS_DEPTH_BOUNDS_TEST_ENABLE)
CASE( STENCIL_TEST_ENABLE, DS_STENCIL_TEST_ENABLE)
CASE( STENCIL_OP, DS_STENCIL_OP)
CASE( RASTERIZER_DISCARD_ENABLE, RS_RASTERIZER_DISCARD_ENABLE)
CASE( DEPTH_BIAS_ENABLE, RS_DEPTH_BIAS_ENABLE)
CASE( PRIMITIVE_RESTART_ENABLE, IA_PRIMITIVE_RESTART_ENABLE)
CASE( DISCARD_RECTANGLE_EXT, DR_RECTANGLES)
CASE( SAMPLE_LOCATIONS_EXT, MS_SAMPLE_LOCATIONS)
CASE( FRAGMENT_SHADING_RATE_KHR, FSR)
CASE( LINE_STIPPLE_EXT, RS_LINE_STIPPLE)
CASE( PATCH_CONTROL_POINTS_EXT, TS_PATCH_CONTROL_POINTS)
CASE( LOGIC_OP_EXT, CB_LOGIC_OP)
CASE( COLOR_WRITE_ENABLE_EXT, CB_COLOR_WRITE_ENABLES)
default:
unreachable("Unsupported dynamic graphics state");
}
}
}
#define IS_DYNAMIC(STATE) \
BITSET_TEST(dynamic, MESA_VK_DYNAMIC_##STATE)
static void
vk_vertex_input_state_init(struct vk_vertex_input_state *vi,
const BITSET_WORD *dynamic,
const VkPipelineVertexInputStateCreateInfo *vi_info)
{
assert(!IS_DYNAMIC(VI));
memset(vi, 0, sizeof(*vi));
for (uint32_t i = 0; i < vi_info->vertexBindingDescriptionCount; i++) {
const VkVertexInputBindingDescription *desc =
&vi_info->pVertexBindingDescriptions[i];
assert(desc->binding < MESA_VK_MAX_VERTEX_BINDINGS);
assert(desc->stride <= MESA_VK_MAX_VERTEX_BINDING_STRIDE);
assert(desc->inputRate <= 1);
const uint32_t b = desc->binding;
vi->bindings_valid |= BITFIELD_BIT(b);
vi->bindings[b].stride = desc->stride;
vi->bindings[b].input_rate = desc->inputRate;
vi->bindings[b].divisor = 1;
}
for (uint32_t i = 0; i < vi_info->vertexAttributeDescriptionCount; i++) {
const VkVertexInputAttributeDescription *desc =
&vi_info->pVertexAttributeDescriptions[i];
assert(desc->location < MESA_VK_MAX_VERTEX_ATTRIBUTES);
assert(desc->binding < MESA_VK_MAX_VERTEX_BINDINGS);
assert(vi->bindings_valid & BITFIELD_BIT(desc->binding));
const uint32_t a = desc->location;
vi->attributes_valid |= BITFIELD_BIT(a);
vi->attributes[a].binding = desc->binding;
vi->attributes[a].format = desc->format;
vi->attributes[a].offset = desc->offset;
}
const VkPipelineVertexInputDivisorStateCreateInfoEXT *vi_div_state =
vk_find_struct_const(vi_info->pNext,
PIPELINE_VERTEX_INPUT_DIVISOR_STATE_CREATE_INFO_EXT);
if (vi_div_state) {
for (uint32_t i = 0; i < vi_div_state->vertexBindingDivisorCount; i++) {
const VkVertexInputBindingDivisorDescriptionEXT *desc =
&vi_div_state->pVertexBindingDivisors[i];
assert(desc->binding < MESA_VK_MAX_VERTEX_BINDINGS);
assert(vi->bindings_valid & BITFIELD_BIT(desc->binding));
const uint32_t b = desc->binding;
vi->bindings[b].divisor = desc->divisor;
}
}
}
static void
vk_input_assembly_state_init(struct vk_input_assembly_state *ia,
const BITSET_WORD *dynamic,
const VkPipelineInputAssemblyStateCreateInfo *ia_info)
{
if (IS_DYNAMIC(IA_PRIMITIVE_TOPOLOGY)) {
ia->primitive_topology = -1;
} else {
assert(ia_info->topology <= UINT8_MAX);
ia->primitive_topology = ia_info->topology;
}
ia->primitive_restart_enable = ia_info->primitiveRestartEnable;
}
static void
vk_tessellation_state_init(struct vk_tessellation_state *ts,
const BITSET_WORD *dynamic,
const VkPipelineTessellationStateCreateInfo *ts_info)
{
if (IS_DYNAMIC(TS_PATCH_CONTROL_POINTS)) {
ts->patch_control_points = 0;
} else {
assert(ts_info->patchControlPoints <= UINT8_MAX);
ts->patch_control_points = ts_info->patchControlPoints;
}
const VkPipelineTessellationDomainOriginStateCreateInfo *ts_do_info =
vk_find_struct_const(ts_info->pNext,
PIPELINE_TESSELLATION_DOMAIN_ORIGIN_STATE_CREATE_INFO);
if (ts_do_info != NULL) {
assert(ts_do_info->domainOrigin <= UINT8_MAX);
ts->domain_origin = ts_do_info->domainOrigin;
} else {
ts->domain_origin = VK_TESSELLATION_DOMAIN_ORIGIN_UPPER_LEFT;
}
}
static void
vk_viewport_state_init(struct vk_viewport_state *vp,
const BITSET_WORD *dynamic,
const VkPipelineViewportStateCreateInfo *vp_info)
{
memset(vp, 0, sizeof(*vp));
if (!IS_DYNAMIC(VP_VIEWPORT_COUNT)) {
assert(vp_info->viewportCount <= MESA_VK_MAX_VIEWPORTS);
vp->viewport_count = vp_info->viewportCount;
}
if (!IS_DYNAMIC(VP_VIEWPORTS)) {
assert(!IS_DYNAMIC(VP_VIEWPORT_COUNT));
typed_memcpy(vp->viewports, vp_info->pViewports,
vp_info->viewportCount);
}
if (!IS_DYNAMIC(VP_SCISSOR_COUNT)) {
assert(vp_info->scissorCount <= MESA_VK_MAX_SCISSORS);
vp->scissor_count = vp_info->scissorCount;
}
if (!IS_DYNAMIC(VP_SCISSORS)) {
assert(!IS_DYNAMIC(VP_SCISSOR_COUNT));
typed_memcpy(vp->scissors, vp_info->pScissors,
vp_info->scissorCount);
}
const VkPipelineViewportDepthClipControlCreateInfoEXT *vp_dcc_info =
vk_find_struct_const(vp_info->pNext,
PIPELINE_VIEWPORT_DEPTH_CLIP_CONTROL_CREATE_INFO_EXT);
if (vp_dcc_info != NULL)
vp->negative_one_to_one = vp_dcc_info->negativeOneToOne;
}
static void
vk_discard_rectangles_state_init(struct vk_discard_rectangles_state *dr,
const BITSET_WORD *dynamic,
const VkPipelineDiscardRectangleStateCreateInfoEXT *dr_info)
{
memset(dr, 0, sizeof(*dr));
if (dr_info == NULL)
return;
dr->mode = dr_info->discardRectangleMode;
if (!IS_DYNAMIC(DR_RECTANGLES)) {
assert(dr_info->discardRectangleCount <= MESA_VK_MAX_DISCARD_RECTANGLES);
dr->rectangle_count = dr_info->discardRectangleCount;
typed_memcpy(dr->rectangles, dr_info->pDiscardRectangles,
dr_info->discardRectangleCount);
}
}
static void
vk_rasterization_state_init(struct vk_rasterization_state *rs,
const BITSET_WORD *dynamic,
const VkPipelineRasterizationStateCreateInfo *rs_info)
{
*rs = (struct vk_rasterization_state) {
.rasterizer_discard_enable = false,
.conservative_mode = VK_CONSERVATIVE_RASTERIZATION_MODE_DISABLED_EXT,
.rasterization_order_amd = VK_RASTERIZATION_ORDER_STRICT_AMD,
.provoking_vertex = VK_PROVOKING_VERTEX_MODE_FIRST_VERTEX_EXT,
.line.mode = VK_LINE_RASTERIZATION_MODE_DEFAULT_EXT,
};
if (!IS_DYNAMIC(RS_RASTERIZER_DISCARD_ENABLE))
rs->rasterizer_discard_enable = rs_info->rasterizerDiscardEnable;
/* From the Vulkan 1.3.218 spec:
*
* "If VkPipelineRasterizationDepthClipStateCreateInfoEXT is present in
* the graphics pipeline state then depth clipping is disabled if
* VkPipelineRasterizationDepthClipStateCreateInfoEXT::depthClipEnable
* is VK_FALSE. Otherwise, if
* VkPipelineRasterizationDepthClipStateCreateInfoEXT is not present,
* depth clipping is disabled when
* VkPipelineRasterizationStateCreateInfo::depthClampEnable is VK_TRUE.
*/
rs->depth_clamp_enable = rs_info->depthClampEnable;
rs->depth_clip_enable = !rs_info->depthClampEnable;
rs->polygon_mode = rs_info->polygonMode;
rs->cull_mode = rs_info->cullMode;
rs->front_face = rs_info->frontFace;
rs->depth_bias.enable = rs_info->depthBiasEnable;
if ((rs_info->depthBiasEnable || IS_DYNAMIC(RS_DEPTH_BIAS_ENABLE)) &&
!IS_DYNAMIC(RS_DEPTH_BIAS_FACTORS)) {
rs->depth_bias.constant = rs_info->depthBiasConstantFactor;
rs->depth_bias.clamp = rs_info->depthBiasClamp;
rs->depth_bias.slope = rs_info->depthBiasSlopeFactor;
}
rs->line.width = rs_info->lineWidth;
vk_foreach_struct_const(ext, rs_info->pNext) {
switch (ext->sType) {
case VK_STRUCTURE_TYPE_PIPELINE_RASTERIZATION_CONSERVATIVE_STATE_CREATE_INFO_EXT: {
const VkPipelineRasterizationConservativeStateCreateInfoEXT *rcs_info =
(const VkPipelineRasterizationConservativeStateCreateInfoEXT *)ext;
rs->conservative_mode = rcs_info->conservativeRasterizationMode;
break;
}
case VK_STRUCTURE_TYPE_PIPELINE_RASTERIZATION_DEPTH_CLIP_STATE_CREATE_INFO_EXT: {
const VkPipelineRasterizationDepthClipStateCreateInfoEXT *rdc_info =
(const VkPipelineRasterizationDepthClipStateCreateInfoEXT *)ext;
rs->depth_clip_enable = rdc_info->depthClipEnable;
break;
}
case VK_STRUCTURE_TYPE_PIPELINE_RASTERIZATION_LINE_STATE_CREATE_INFO_EXT: {
const VkPipelineRasterizationLineStateCreateInfoEXT *rl_info =
(const VkPipelineRasterizationLineStateCreateInfoEXT *)ext;
rs->line.mode = rl_info->lineRasterizationMode;
rs->line.stipple.enable = rl_info->stippledLineEnable;
if (rs->line.stipple.enable && !IS_DYNAMIC(RS_LINE_STIPPLE)) {
rs->line.stipple.factor = rl_info->lineStippleFactor;
rs->line.stipple.pattern = rl_info->lineStipplePattern;
}
break;
}
case VK_STRUCTURE_TYPE_PIPELINE_RASTERIZATION_PROVOKING_VERTEX_STATE_CREATE_INFO_EXT: {
const VkPipelineRasterizationProvokingVertexStateCreateInfoEXT *rpv_info =
(const VkPipelineRasterizationProvokingVertexStateCreateInfoEXT *)ext;
rs->provoking_vertex = rpv_info->provokingVertexMode;
break;
}
case VK_STRUCTURE_TYPE_PIPELINE_RASTERIZATION_STATE_RASTERIZATION_ORDER_AMD: {
const VkPipelineRasterizationStateRasterizationOrderAMD *rro_info =
(const VkPipelineRasterizationStateRasterizationOrderAMD *)ext;
rs->rasterization_order_amd = rro_info->rasterizationOrder;
break;
}
case VK_STRUCTURE_TYPE_PIPELINE_RASTERIZATION_STATE_STREAM_CREATE_INFO_EXT: {
const VkPipelineRasterizationStateStreamCreateInfoEXT *rss_info =
(const VkPipelineRasterizationStateStreamCreateInfoEXT *)ext;
rs->rasterization_stream = rss_info->rasterizationStream;
break;
}
default:
break;
}
}
}
static void
vk_fragment_shading_rate_state_init(
struct vk_fragment_shading_rate_state *fsr,
const BITSET_WORD *dynamic,
const VkPipelineFragmentShadingRateStateCreateInfoKHR *fsr_info)
{
if (fsr_info != NULL) {
fsr->fragment_size = fsr_info->fragmentSize;
fsr->combiner_ops[0] = fsr_info->combinerOps[0];
fsr->combiner_ops[1] = fsr_info->combinerOps[1];
} else {
fsr->fragment_size = (VkExtent2D) { 1, 1 };
fsr->combiner_ops[0] = VK_FRAGMENT_SHADING_RATE_COMBINER_OP_KEEP_KHR;
fsr->combiner_ops[1] = VK_FRAGMENT_SHADING_RATE_COMBINER_OP_KEEP_KHR;
}
}
static void
vk_sample_locations_state_init(struct vk_sample_locations_state *sl,
const VkSampleLocationsInfoEXT *sl_info)
{
sl->per_pixel = sl_info->sampleLocationsPerPixel;
sl->grid_size = sl_info->sampleLocationGridSize;
/* From the Vulkan 1.3.218 spec:
*
* VUID-VkSampleLocationsInfoEXT-sampleLocationsCount-01527
*
* "sampleLocationsCount must equal sampleLocationsPerPixel *
* sampleLocationGridSize.width * sampleLocationGridSize.height"
*/
assert(sl_info->sampleLocationsCount ==
sl_info->sampleLocationsPerPixel *
sl_info->sampleLocationGridSize.width *
sl_info->sampleLocationGridSize.height);
assert(sl_info->sampleLocationsCount <= MESA_VK_MAX_SAMPLE_LOCATIONS);
typed_memcpy(sl->locations, sl_info->pSampleLocations,
sl_info->sampleLocationsCount);
}
static void
vk_multisample_state_init(struct vk_multisample_state *ms,
const BITSET_WORD *dynamic,
const VkPipelineMultisampleStateCreateInfo *ms_info)
{
ms->rasterization_samples = ms_info->rasterizationSamples;
ms->sample_shading_enable = ms_info->sampleShadingEnable;
ms->min_sample_shading = ms_info->minSampleShading;
/* From the Vulkan 1.3.218 spec:
*
* "If pSampleMask is NULL, it is treated as if the mask has all bits
* set to 1."
*/
ms->sample_mask = ms_info->pSampleMask ? *ms_info->pSampleMask : ~0;
ms->alpha_to_coverage_enable = ms_info->alphaToCoverageEnable;
ms->alpha_to_one_enable = ms_info->alphaToOneEnable;
/* These get filled in by vk_multisample_sample_locations_state_init() */
ms->sample_locations_enable = false;
ms->sample_locations = NULL;
}
static bool
needs_sample_locations_state(
const BITSET_WORD *dynamic,
const VkPipelineSampleLocationsStateCreateInfoEXT *sl_info)
{
return !IS_DYNAMIC(MS_SAMPLE_LOCATIONS) &&
sl_info != NULL && sl_info->sampleLocationsEnable;
}
static void
vk_multisample_sample_locations_state_init(
struct vk_multisample_state *ms,
struct vk_sample_locations_state *sl,
const BITSET_WORD *dynamic,
const VkPipelineMultisampleStateCreateInfo *ms_info,
const VkPipelineSampleLocationsStateCreateInfoEXT *sl_info)
{
ms->sample_locations_enable =
sl_info != NULL && sl_info->sampleLocationsEnable;
assert(ms->sample_locations == NULL);
if (!IS_DYNAMIC(MS_SAMPLE_LOCATIONS)) {
if (ms->sample_locations_enable) {
vk_sample_locations_state_init(sl, &sl_info->sampleLocationsInfo);
ms->sample_locations = sl;
} else {
/* Otherwise, pre-populate with the standard sample locations. If
* the driver doesn't support standard sample locations, it probably
* doesn't support custom locations either and can completely ignore
* this state.
*/
ms->sample_locations =
vk_standard_sample_locations_state(ms_info->rasterizationSamples);
}
}
}
static void
vk_stencil_test_face_state_init(struct vk_stencil_test_face_state *face,
const VkStencilOpState *info)
{
face->op.fail = info->failOp;
face->op.pass = info->passOp;
face->op.depth_fail = info->depthFailOp;
face->op.compare = info->compareOp;
face->compare_mask = info->compareMask;
face->write_mask = info->writeMask;
face->reference = info->reference;
}
static void
vk_depth_stencil_state_init(struct vk_depth_stencil_state *ds,
const BITSET_WORD *dynamic,
const VkPipelineDepthStencilStateCreateInfo *ds_info)
{
memset(ds, 0, sizeof(*ds));
ds->depth.test_enable = ds_info->depthTestEnable;
ds->depth.write_enable = ds_info->depthWriteEnable;
ds->depth.compare_op = ds_info->depthCompareOp;
ds->depth.bounds_test.enable = ds_info->depthBoundsTestEnable;
ds->depth.bounds_test.min = ds_info->minDepthBounds;
ds->depth.bounds_test.max = ds_info->maxDepthBounds;
ds->stencil.test_enable = ds_info->stencilTestEnable;
vk_stencil_test_face_state_init(&ds->stencil.front, &ds_info->front);
vk_stencil_test_face_state_init(&ds->stencil.back, &ds_info->back);
}
static void
vk_color_blend_state_init(struct vk_color_blend_state *cb,
const BITSET_WORD *dynamic,
const VkPipelineColorBlendStateCreateInfo *cb_info)
{
memset(cb, 0, sizeof(*cb));
cb->logic_op_enable = cb_info->logicOpEnable;
cb->logic_op = cb_info->logicOp;
assert(cb_info->attachmentCount <= MESA_VK_MAX_COLOR_ATTACHMENTS);
cb->attachment_count = cb_info->attachmentCount;
for (uint32_t a = 0; a < cb_info->attachmentCount; a++) {
const VkPipelineColorBlendAttachmentState *att =
&cb_info->pAttachments[a];
cb->attachments[a] = (struct vk_color_blend_attachment_state) {
.blend_enable = att->blendEnable,
.src_color_blend_factor = att->srcColorBlendFactor,
.dst_color_blend_factor = att->dstColorBlendFactor,
.src_alpha_blend_factor = att->srcAlphaBlendFactor,
.dst_alpha_blend_factor = att->dstAlphaBlendFactor,
.write_mask = att->colorWriteMask,
.color_blend_op = att->colorBlendOp,
.alpha_blend_op = att->alphaBlendOp,
};
}
for (uint32_t i = 0; i < 4; i++)
cb->blend_constants[i] = cb_info->blendConstants[i];
const VkPipelineColorWriteCreateInfoEXT *cw_info =
vk_find_struct_const(cb_info->pNext, PIPELINE_COLOR_WRITE_CREATE_INFO_EXT);
if (cw_info != NULL) {
assert(cb_info->attachmentCount == cw_info->attachmentCount);
for (uint32_t a = 0; a < cw_info->attachmentCount; a++) {
if (cw_info->pColorWriteEnables[a])
cb->color_write_enables |= BITFIELD_BIT(a);
}
} else {
cb->color_write_enables = BITFIELD_MASK(cb_info->attachmentCount);
}
}
static bool
vk_render_pass_state_is_complete(const struct vk_render_pass_state *rp)
{
return rp->attachment_aspects != VK_IMAGE_ASPECT_METADATA_BIT;
}
static void
vk_render_pass_state_init(struct vk_render_pass_state *rp,
const struct vk_render_pass_state *old_rp,
const VkGraphicsPipelineCreateInfo *info,
const struct vk_subpass_info *sp_info,
VkGraphicsPipelineLibraryFlagsEXT lib)
{
/* If we already have render pass state and it has attachment info, then
* it's complete and we don't need a new one.
*/
if (old_rp != NULL && vk_render_pass_state_is_complete(old_rp)) {
*rp = *old_rp;
return;
}
*rp = (struct vk_render_pass_state) {
.depth_attachment_format = VK_FORMAT_UNDEFINED,
.stencil_attachment_format = VK_FORMAT_UNDEFINED,
};
if (info->renderPass != VK_NULL_HANDLE && sp_info != NULL) {
rp->render_pass = info->renderPass;
rp->subpass = info->subpass;
rp->attachment_aspects = sp_info->attachment_aspects;
rp->view_mask = sp_info->view_mask;
return;
}
const VkPipelineRenderingCreateInfo *r_info =
vk_get_pipeline_rendering_create_info(info);
if (r_info == NULL)
return;
rp->view_mask = r_info->viewMask;
/* From the Vulkan 1.3.218 spec description of pre-rasterization state:
*
* "Fragment shader state is defined by:
* ...
* * VkRenderPass and subpass parameter
* * The viewMask parameter of VkPipelineRenderingCreateInfo (formats
* are ignored)"
*
* The description of fragment shader state contains identical text.
*
* If we have a render pass then we have full information. Even if we're
* dynamic-rendering-only, the presence of a render pass means the
* rendering info came from a vk_render_pass and is therefore complete.
* Otherwise, all we can grab is the view mask and we have to leave the
* rest for later.
*/
if (info->renderPass == VK_NULL_HANDLE &&
!(lib & VK_GRAPHICS_PIPELINE_LIBRARY_FRAGMENT_OUTPUT_INTERFACE_BIT_EXT)) {
rp->attachment_aspects = VK_IMAGE_ASPECT_METADATA_BIT;
return;
}
assert(r_info->colorAttachmentCount <= MESA_VK_MAX_COLOR_ATTACHMENTS);
rp->color_attachment_count = r_info->colorAttachmentCount;
for (uint32_t i = 0; i < r_info->colorAttachmentCount; i++) {
rp->color_attachment_formats[i] = r_info->pColorAttachmentFormats[i];
if (r_info->pColorAttachmentFormats[i] != VK_FORMAT_UNDEFINED)
rp->attachment_aspects |= VK_IMAGE_ASPECT_COLOR_BIT;
}
rp->depth_attachment_format = r_info->depthAttachmentFormat;
if (r_info->depthAttachmentFormat != VK_FORMAT_UNDEFINED)
rp->attachment_aspects |= VK_IMAGE_ASPECT_DEPTH_BIT;
rp->stencil_attachment_format = r_info->stencilAttachmentFormat;
if (r_info->stencilAttachmentFormat != VK_FORMAT_UNDEFINED)
rp->attachment_aspects |= VK_IMAGE_ASPECT_STENCIL_BIT;
const VkRenderingSelfDependencyInfoMESA *rsd_info =
vk_find_struct_const(r_info->pNext, RENDERING_SELF_DEPENDENCY_INFO_MESA);
if (rsd_info != NULL) {
STATIC_ASSERT(sizeof(rp->color_self_dependencies) * 8 >=
MESA_VK_MAX_COLOR_ATTACHMENTS);
rp->color_self_dependencies = rsd_info->colorSelfDependencies;
rp->depth_self_dependency = rsd_info->depthSelfDependency;
rp->stencil_self_dependency = rsd_info->stencilSelfDependency;
}
}
#define FOREACH_STATE_GROUP(f) \
f(MESA_VK_GRAPHICS_STATE_VERTEX_INPUT_BIT, \
vk_vertex_input_state, vi); \
f(MESA_VK_GRAPHICS_STATE_INPUT_ASSEMBLY_BIT, \
vk_input_assembly_state, ia); \
f(MESA_VK_GRAPHICS_STATE_TESSELLATION_BIT, \
vk_tessellation_state, ts); \
f(MESA_VK_GRAPHICS_STATE_VIEWPORT_BIT, \
vk_viewport_state, vp); \
f(MESA_VK_GRAPHICS_STATE_DISCARD_RECTANGLES_BIT, \
vk_discard_rectangles_state, dr); \
f(MESA_VK_GRAPHICS_STATE_RASTERIZATION_BIT, \
vk_rasterization_state, rs); \
f(MESA_VK_GRAPHICS_STATE_FRAGMENT_SHADING_RATE_BIT, \
vk_fragment_shading_rate_state, fsr); \
f(MESA_VK_GRAPHICS_STATE_MULTISAMPLE_BIT, \
vk_multisample_state, ms); \
f(MESA_VK_GRAPHICS_STATE_DEPTH_STENCIL_BIT, \
vk_depth_stencil_state, ds); \
f(MESA_VK_GRAPHICS_STATE_COLOR_BLEND_BIT, \
vk_color_blend_state, cb); \
f(MESA_VK_GRAPHICS_STATE_RENDER_PASS_BIT, \
vk_render_pass_state, rp);
static void
vk_graphics_pipeline_state_validate(const struct vk_graphics_pipeline_state *state)
{
#ifndef NDEBUG
/* For now, we just validate dynamic state */
enum mesa_vk_graphics_state_groups has = 0;
#define FILL_HAS(STATE, type, s) \
if (state->s != NULL) has |= STATE
FOREACH_STATE_GROUP(FILL_HAS)
#undef FILL_HAS
validate_dynamic_state_groups(state->dynamic, has);
#endif
}
static bool
may_have_rasterization(const struct vk_graphics_pipeline_state *state,
const BITSET_WORD *dynamic,
const VkGraphicsPipelineCreateInfo *info)
{
if (state->rs) {
/* We default rasterizer_discard_enable to false when dynamic */
return !state->rs->rasterizer_discard_enable;
} else {
return IS_DYNAMIC(RS_RASTERIZER_DISCARD_ENABLE) ||
!info->pRasterizationState->rasterizerDiscardEnable;
}
}
VkResult
vk_graphics_pipeline_state_fill(const struct vk_device *device,
struct vk_graphics_pipeline_state *state,
const VkGraphicsPipelineCreateInfo *info,
const struct vk_subpass_info *sp_info,
struct vk_graphics_pipeline_all_state *all,
const VkAllocationCallbacks *alloc,
VkSystemAllocationScope scope,
void **alloc_ptr_out)
{
vk_graphics_pipeline_state_validate(state);
BITSET_DECLARE(dynamic, MESA_VK_DYNAMIC_GRAPHICS_STATE_ENUM_MAX);
vk_get_dynamic_graphics_states(dynamic, info->pDynamicState);
VkShaderStageFlags stages = 0;
for (uint32_t i = 0; i < info->stageCount; i++)
stages |= info->pStages[i].stage;
/* In case we return early */
if (alloc_ptr_out != NULL)
*alloc_ptr_out = NULL;
/*
* First, figure out which library-level shader/state groups we need
*/
VkGraphicsPipelineLibraryFlagsEXT lib;
if (info->flags & VK_PIPELINE_CREATE_LIBRARY_BIT_KHR) {
const VkGraphicsPipelineLibraryCreateInfoEXT *gfx_lib_info =
vk_find_struct_const(info->pNext, GRAPHICS_PIPELINE_LIBRARY_CREATE_INFO_EXT);
/* If we're building a pipeline library, trust the client.
*
* From the Vulkan 1.3.218 spec:
*
* VUID-VkGraphicsPipelineLibraryCreateInfoEXT-flags-requiredbitmask
*
* "flags must not be 0"
*/
assert(gfx_lib_info->flags != 0);
lib = gfx_lib_info->flags;
} else {
/* We're building a complete pipeline. From the Vulkan 1.3.218 spec:
*
* "A complete graphics pipeline always includes pre-rasterization
* shader state, with other subsets included depending on that state.
* If the pre-rasterization shader state includes a vertex shader,
* then vertex input state is included in a complete graphics
* pipeline. If the value of
* VkPipelineRasterizationStateCreateInfo::rasterizerDiscardEnable in
* the pre-rasterization shader state is VK_FALSE or the
* VK_DYNAMIC_STATE_RASTERIZER_DISCARD_ENABLE dynamic state is
* enabled fragment shader state and fragment output interface state
* is included in a complete graphics pipeline."
*/
lib = VK_GRAPHICS_PIPELINE_LIBRARY_PRE_RASTERIZATION_SHADERS_BIT_EXT;
if (stages & VK_SHADER_STAGE_VERTEX_BIT)
lib |= VK_GRAPHICS_PIPELINE_LIBRARY_VERTEX_INPUT_INTERFACE_BIT_EXT;
if (may_have_rasterization(state, dynamic, info)) {
lib |= VK_GRAPHICS_PIPELINE_LIBRARY_FRAGMENT_SHADER_BIT_EXT;
lib |= VK_GRAPHICS_PIPELINE_LIBRARY_FRAGMENT_OUTPUT_INTERFACE_BIT_EXT;
}
}
/*
* Next, turn those into individual states. Among other things, this
* de-duplicates things like FSR and multisample state which appear in
* multiple library groups.
*/
enum mesa_vk_graphics_state_groups needs = 0;
if (lib & VK_GRAPHICS_PIPELINE_LIBRARY_VERTEX_INPUT_INTERFACE_BIT_EXT) {
needs |= MESA_VK_GRAPHICS_STATE_VERTEX_INPUT_BIT;
needs |= MESA_VK_GRAPHICS_STATE_INPUT_ASSEMBLY_BIT;
}
/* Other stuff potentially depends on this so gather it early */
struct vk_render_pass_state rp;
if (lib & (VK_GRAPHICS_PIPELINE_LIBRARY_PRE_RASTERIZATION_SHADERS_BIT_EXT |
VK_GRAPHICS_PIPELINE_LIBRARY_FRAGMENT_SHADER_BIT_EXT |
VK_GRAPHICS_PIPELINE_LIBRARY_FRAGMENT_OUTPUT_INTERFACE_BIT_EXT)) {
vk_render_pass_state_init(&rp, state->rp, info, sp_info, lib);
needs |= MESA_VK_GRAPHICS_STATE_RENDER_PASS_BIT;
/* If the old state was incomplete but the new one isn't, set state->rp
* to NULL so it gets replaced with the new version.
*/
if (state->rp != NULL &&
!vk_render_pass_state_is_complete(state->rp) &&
vk_render_pass_state_is_complete(&rp))
state->rp = NULL;
}
if (lib & VK_GRAPHICS_PIPELINE_LIBRARY_PRE_RASTERIZATION_SHADERS_BIT_EXT) {
/* From the Vulkan 1.3.218 spec:
*
* VUID-VkGraphicsPipelineCreateInfo-stage-02096
*
* "If the pipeline is being created with pre-rasterization shader
* state the stage member of one element of pStages must be either
* VK_SHADER_STAGE_VERTEX_BIT or VK_SHADER_STAGE_MESH_BIT_NV"
*/
assert(stages & (VK_SHADER_STAGE_VERTEX_BIT |
VK_SHADER_STAGE_MESH_BIT_NV));
if (stages & (VK_SHADER_STAGE_TESSELLATION_CONTROL_BIT |
VK_SHADER_STAGE_TESSELLATION_EVALUATION_BIT))
needs |= MESA_VK_GRAPHICS_STATE_TESSELLATION_BIT;
if (may_have_rasterization(state, dynamic, info))
needs |= MESA_VK_GRAPHICS_STATE_VIEWPORT_BIT;
needs |= MESA_VK_GRAPHICS_STATE_DISCARD_RECTANGLES_BIT;
needs |= MESA_VK_GRAPHICS_STATE_RASTERIZATION_BIT;
needs |= MESA_VK_GRAPHICS_STATE_FRAGMENT_SHADING_RATE_BIT;
}
if (lib & VK_GRAPHICS_PIPELINE_LIBRARY_FRAGMENT_SHADER_BIT_EXT) {
needs |= MESA_VK_GRAPHICS_STATE_FRAGMENT_SHADING_RATE_BIT;
needs |= MESA_VK_GRAPHICS_STATE_MULTISAMPLE_BIT;
/* From the Vulkan 1.3.218 spec:
*
* VUID-VkGraphicsPipelineCreateInfo-renderPass-06043
*
* "If renderPass is not VK_NULL_HANDLE, the pipeline is being
* created with fragment shader state, and subpass uses a
* depth/stencil attachment, pDepthStencilState must be a valid
* pointer to a valid VkPipelineDepthStencilStateCreateInfo
* structure"
*
* VUID-VkGraphicsPipelineCreateInfo-renderPass-06053
*
* "If renderPass is VK_NULL_HANDLE, the pipeline is being created
* with fragment shader state and fragment output interface state,
* and either of VkPipelineRenderingCreateInfo::depthAttachmentFormat
* or VkPipelineRenderingCreateInfo::stencilAttachmentFormat are not
* VK_FORMAT_UNDEFINED, pDepthStencilState must be a valid pointer to
* a valid VkPipelineDepthStencilStateCreateInfo structure"
*
* VUID-VkGraphicsPipelineCreateInfo-renderPass-06590
*
* "If renderPass is VK_NULL_HANDLE and the pipeline is being created
* with fragment shader state but not fragment output interface
* state, pDepthStencilState must be a valid pointer to a valid
* VkPipelineDepthStencilStateCreateInfo structure"
*
* In the first case, we'll have a real set of aspects in rp. In the
* second case, where we have both fragment shader and fragment output
* state, we will also have a valid set of aspects. In the third case
* where we only have fragment shader state and no render pass, the
* vk_render_pass_state will be incomplete.
*/
if ((rp.attachment_aspects & (VK_IMAGE_ASPECT_DEPTH_BIT |
VK_IMAGE_ASPECT_STENCIL_BIT)) ||
!vk_render_pass_state_is_complete(&rp))
needs |= MESA_VK_GRAPHICS_STATE_DEPTH_STENCIL_BIT;
}
if (lib & VK_GRAPHICS_PIPELINE_LIBRARY_FRAGMENT_OUTPUT_INTERFACE_BIT_EXT) {
if (rp.attachment_aspects & (VK_IMAGE_ASPECT_DEPTH_BIT |
VK_IMAGE_ASPECT_STENCIL_BIT))
needs |= MESA_VK_GRAPHICS_STATE_DEPTH_STENCIL_BIT;
if (rp.attachment_aspects & (VK_IMAGE_ASPECT_COLOR_BIT))
needs |= MESA_VK_GRAPHICS_STATE_COLOR_BLEND_BIT;
}
/*
* Next, Filter off any states we already have.
*/
#define FILTER_NEEDS(STATE, type, s) \
if (state->s != NULL) needs &= ~STATE
FOREACH_STATE_GROUP(FILTER_NEEDS)
#undef FILTER_NEEDS
/* Filter dynamic state down to just what we're adding */
BITSET_DECLARE(dynamic_filter, MESA_VK_DYNAMIC_GRAPHICS_STATE_ENUM_MAX);
get_dynamic_state_groups(dynamic_filter, needs);
BITSET_AND(dynamic, dynamic, dynamic_filter);
/* And add it in */
BITSET_OR(state->dynamic, state->dynamic, dynamic);
/*
* If vertex state or fragment shading rate state are fully dynamic, we
* don't need to even allocate them. Do this after we've filtered
* dynamic state because we want to keep the MESA_VK_DYNAMIC_VI and
* MESA_VK_DYNAMIC_FSR bits in the dynamic state but don't want the
* actual state.
*/
if (BITSET_TEST(dynamic, MESA_VK_DYNAMIC_VI))
needs &= ~MESA_VK_GRAPHICS_STATE_VERTEX_INPUT_BIT;
if (BITSET_TEST(dynamic, MESA_VK_DYNAMIC_FSR))
needs &= ~MESA_VK_GRAPHICS_STATE_FRAGMENT_SHADING_RATE_BIT;
/* If we don't need to set up any new states, bail early */
if (needs == 0)
return VK_SUCCESS;
/*
* Now, ensure that we have space for each of the states we're going to
* fill. If all != NULL, we'll pull from that. Otherwise, we need to
* allocate memory.
*/
VK_MULTIALLOC(ma);
#define ENSURE_STATE_IF_NEEDED(STATE, type, s) \
struct type *new_##s = NULL; \
if (needs & STATE) { \
if (all == NULL) { \
vk_multialloc_add(&ma, &new_##s, struct type, 1); \
} else { \
new_##s = &all->s; \
} \
}
FOREACH_STATE_GROUP(ENSURE_STATE_IF_NEEDED)
#undef ENSURE_STATE_IF_NEEDED
/* Sample locations are a bit special. We don't want to waste the memory
* for 64 floats if we don't need to. Also, we set up standard sample
* locations if no user-provided sample locations are available.
*/
const VkPipelineSampleLocationsStateCreateInfoEXT *sl_info = NULL;
struct vk_sample_locations_state *new_sl = NULL;
if (needs & MESA_VK_GRAPHICS_STATE_MULTISAMPLE_BIT) {
sl_info = vk_find_struct_const(info->pMultisampleState->pNext,
PIPELINE_SAMPLE_LOCATIONS_STATE_CREATE_INFO_EXT);
if (needs_sample_locations_state(dynamic, sl_info)) {
if (all == NULL) {
vk_multialloc_add(&ma, &new_sl, struct vk_sample_locations_state, 1);
} else {
new_sl = &all->ms_sample_locations;
}
}
}
/*
* Allocate memory, if needed
*/
if (ma.size > 0) {
assert(all == NULL);
*alloc_ptr_out = vk_multialloc_alloc2(&ma, &device->alloc, alloc, scope);
if (*alloc_ptr_out == NULL)
return vk_error(device, VK_ERROR_OUT_OF_HOST_MEMORY);
}
/*
* Create aliases for various input infos so we can use or FOREACH macro
*/
#define INFO_ALIAS(_State, s) \
const VkPipeline##_State##StateCreateInfo *s##_info = info->p##_State##State
INFO_ALIAS(VertexInput, vi);
INFO_ALIAS(InputAssembly, ia);
INFO_ALIAS(Tessellation, ts);
INFO_ALIAS(Viewport, vp);
INFO_ALIAS(Rasterization, rs);
INFO_ALIAS(Multisample, ms);
INFO_ALIAS(DepthStencil, ds);
INFO_ALIAS(ColorBlend, cb);
#undef INFO_ALIAS
const VkPipelineDiscardRectangleStateCreateInfoEXT *dr_info =
vk_find_struct_const(info->pNext, PIPELINE_DISCARD_RECTANGLE_STATE_CREATE_INFO_EXT);
const VkPipelineFragmentShadingRateStateCreateInfoKHR *fsr_info =
vk_find_struct_const(info->pNext, PIPELINE_FRAGMENT_SHADING_RATE_STATE_CREATE_INFO_KHR);
/*
* Finally, fill out all the states
*/
#define INIT_STATE_IF_NEEDED(STATE, type, s) \
if (needs & STATE) { \
type##_init(new_##s, dynamic, s##_info); \
state->s = new_##s; \
}
/* render pass state is special and we just copy it */
#define vk_render_pass_state_init(s, d, i) *s = rp
FOREACH_STATE_GROUP(INIT_STATE_IF_NEEDED)
#undef vk_render_pass_state_init
#undef INIT_STATE_IF_NEEDED
if (needs & MESA_VK_GRAPHICS_STATE_MULTISAMPLE_BIT) {
vk_multisample_sample_locations_state_init(new_ms, new_sl, dynamic,
ms_info, sl_info);
}
return VK_SUCCESS;
}
#undef IS_DYNAMIC
void
vk_graphics_pipeline_state_merge(struct vk_graphics_pipeline_state *dst,
const struct vk_graphics_pipeline_state *src)
{
vk_graphics_pipeline_state_validate(dst);
vk_graphics_pipeline_state_validate(src);
BITSET_OR(dst->dynamic, dst->dynamic, src->dynamic);
/* Render pass state needs special care because a render pass state may be
* incomplete (view mask only). See vk_render_pass_state_init().
*/
if (dst->rp != NULL && src->rp != NULL &&
!vk_render_pass_state_is_complete(dst->rp) &&
vk_render_pass_state_is_complete(src->rp))
dst->rp = src->rp;
#define MERGE(STATE, type, state) \
if (dst->state == NULL && src->state != NULL) dst->state = src->state;
FOREACH_STATE_GROUP(MERGE)
#undef MERGE
}