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Add push constants

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Added functions for adding push constants to pipeline

Signed-off-by: Piotr Krygier <piotrkrygier@everyonecancode@xyz>
This commit is contained in:
Piotr Krygier
2026-02-10 13:09:18 +01:00
parent 954876549d
commit b8509a9a68
2 changed files with 27 additions and 2 deletions
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graphics/src/graphics_context.h
+8
View File
@@ -46,6 +46,7 @@
#define MAX_VERTEX_BINDINGS_COUNT (32U) #define MAX_VERTEX_BINDINGS_COUNT (32U)
#define MAX_SHADER_ATTRIBUTES_COUNT (32U) #define MAX_SHADER_ATTRIBUTES_COUNT (32U)
#define MAX_DYNAMIC_STATES_COUNT (32U) #define MAX_DYNAMIC_STATES_COUNT (32U)
#define MAX_PUSH_CONSTANTS_COUNT (32U)
#define DESCRIPTOR_MAX_SETS (32U) #define DESCRIPTOR_MAX_SETS (32U)
#define DESCRIPTOR_TYPE_ID_MAX_ENUM (21U) #define DESCRIPTOR_TYPE_ID_MAX_ENUM (21U)
@@ -126,6 +127,12 @@ struct required_dynamic_states_t {
VkDynamicState dynamic_states[MAX_DYNAMIC_STATES_COUNT]; VkDynamicState dynamic_states[MAX_DYNAMIC_STATES_COUNT];
}; };
struct push_constant_ranges_t
{
size_t push_constant_ranges_count;
VkPushConstantRange push_constant_ranges[MAX_PUSH_CONSTANTS_COUNT];
};
struct pipeline_infos_t struct pipeline_infos_t
{ {
size_t pipeline_create_infos_count; size_t pipeline_create_infos_count;
@@ -159,6 +166,7 @@ struct pipeline_t
VkVertexInputAttributeDescription shader_attributes[MAX_SHADER_ATTRIBUTES_COUNT]; VkVertexInputAttributeDescription shader_attributes[MAX_SHADER_ATTRIBUTES_COUNT];
size_t dynamic_states_count; size_t dynamic_states_count;
VkDynamicState dynamic_states[MAX_DYNAMIC_STATES_COUNT]; VkDynamicState dynamic_states[MAX_DYNAMIC_STATES_COUNT];
struct push_constant_ranges_t push_constant_ranges;
struct required_dynamic_states_t required_dynamic_states; struct required_dynamic_states_t required_dynamic_states;
struct descriptor_set_handle_t* descriptor_sets; struct descriptor_set_handle_t* descriptor_sets;
}; };
graphics/src/pipeline_builder.c
+19 -2
View File
@@ -205,8 +205,8 @@ rse_err_t pipeline_add_descriptor_sets(struct graphics_context_t* context,
create_info.flags = 0U; create_info.flags = 0U;
create_info.setLayoutCount = 1; // FIXME: Make sure we can enable more than one layout create_info.setLayoutCount = 1; // FIXME: Make sure we can enable more than one layout
create_info.pSetLayouts = &context->descriptor_data.set_layouts[descriptor_set_id]; create_info.pSetLayouts = &context->descriptor_data.set_layouts[descriptor_set_id];
create_info.pushConstantRangeCount = 0U; create_info.pushConstantRangeCount = pipeline->push_constant_ranges.push_constant_ranges_count;
create_info.pPushConstantRanges = NULL; create_info.pPushConstantRanges = pipeline->push_constant_ranges.push_constant_ranges;
if (VK_SUCCESS != if (VK_SUCCESS !=
vkCreatePipelineLayout(context->vulkan_handles.device, &create_info, NULL, &pipeline->pipeline_layout)) { vkCreatePipelineLayout(context->vulkan_handles.device, &create_info, NULL, &pipeline->pipeline_layout)) {
@@ -341,6 +341,23 @@ rse_err_t pipeline_add_vertex_input_attribute(struct pipeline_t* pipeline,
return RSE_ERROR_NO_ERROR; return RSE_ERROR_NO_ERROR;
} }
rse_err_t pipeline_addd_push_constants(struct pipeline_t* pipeline,
VkShaderStageFlagBits shader_stage,
uint32_t offset,
uint32_t size)
{
pipeline->push_constant_ranges.push_constant_ranges[pipeline->push_constant_ranges.push_constant_ranges_count]
.stageFlags = shader_stage;
pipeline->push_constant_ranges.push_constant_ranges[pipeline->push_constant_ranges.push_constant_ranges_count]
.offset = offset;
pipeline->push_constant_ranges.push_constant_ranges[pipeline->push_constant_ranges.push_constant_ranges_count]
.size = size;
pipeline->push_constant_ranges.push_constant_ranges_count++;
return RSE_ERROR_NO_ERROR;
}
rse_err_t pipelines_build(struct graphics_context_t* context, struct pipeline_infos_t* pipelines_infos_list) rse_err_t pipelines_build(struct graphics_context_t* context, struct pipeline_infos_t* pipelines_infos_list)
{ {
assert(NULL != context); assert(NULL != context);