src/uniform_buffer.c - master - d.vision/division_engine_core

src/uniform_buffer.c
89 строк3 KB
Den163
Renamed all division_engine to division for convenient typing
20 май 2025, 00:20
20 май 2025, 00:20683494c
#include "division_engine_core/uniform_buffer.h"
#include "division_engine_core/uniform_buffer_internal.h"
#include "division_engine_core/platform_internal/platform_uniform_buffer.h"

#include <stdlib.h>

bool division_uniform_buffer_context_alloc(
    DivisionContext* ctx, const DivisionSettings* settings
)
{
    ctx->uniform_buffer_context = malloc(sizeof(DivisionUniformBufferContext));
    *ctx->uniform_buffer_context = (DivisionUniformBufferContext
    ){.uniform_buffers = NULL, .uniform_buffer_count = 0};

    division_unordered_id_table_alloc(&ctx->uniform_buffer_context->id_table, 10);

    return division_internal_platform_uniform_buffer_context_alloc(ctx, settings);
}

void division_uniform_buffer_context_free(DivisionContext* ctx)
{
    division_internal_platform_uniform_buffer_context_free(ctx);

    division_unordered_id_table_free(&ctx->uniform_buffer_context->id_table);

    free(ctx->uniform_buffer_context->uniform_buffers);
    free(ctx->uniform_buffer_context);
}

bool division_uniform_buffer_alloc(
    DivisionContext* ctx, DivisionUniformBufferDescriptor buffer, uint32_t* out_buffer_id
)
{
    DivisionUniformBufferContext* uniform_buffer_ctx = ctx->uniform_buffer_context;
    const uint32_t buff_id =
        division_unordered_id_table_new_id(&uniform_buffer_ctx->id_table);

    if (buff_id >= uniform_buffer_ctx->uniform_buffer_count)
    {
        uint32_t new_buffers_count = buff_id + 1;
        uniform_buffer_ctx->uniform_buffer_count = new_buffers_count;
        uniform_buffer_ctx->uniform_buffers = realloc(
            uniform_buffer_ctx->uniform_buffers,
            sizeof(DivisionUniformBufferDescriptor) * new_buffers_count
        );

        if (uniform_buffer_ctx->uniform_buffers == NULL ||
            !division_internal_platform_uniform_buffer_realloc(
                ctx, new_buffers_count
            ))
        {
            ctx->lifecycle.error_callback(
                ctx, DIVISION_INTERNAL_ERROR, "Failed to reallocate Uniform Buffers array"
            );
            division_unordered_id_table_remove_id(&uniform_buffer_ctx->id_table, buff_id);
            return false;
        }
    }

    *out_buffer_id = buff_id;
    uniform_buffer_ctx->uniform_buffers[buff_id] = buffer;
    return division_internal_platform_uniform_buffer_impl_init_element(
        ctx, buff_id
    );
}

void division_uniform_buffer_free(DivisionContext* ctx, uint32_t buffer_id)
{
    division_internal_platform_uniform_buffer_free(ctx, buffer_id);
    division_unordered_id_table_remove_id(&ctx->uniform_buffer_context->id_table, buffer_id);
}

void* division_uniform_buffer_borrow_data_pointer(
    DivisionContext* ctx, uint32_t buffer_id
)
{
    return division_internal_platform_uniform_buffer_borrow_data_pointer(
        ctx, buffer_id
    );
}

void division_uniform_buffer_return_data_pointer(
    DivisionContext* ctx, uint32_t buffer_id, void* data_pointer
)
{
    division_internal_platform_uniform_buffer_return_data_pointer(
        ctx, buffer_id, data_pointer
    );
}