Function DispatchCompute

engine/render/src/render/render.cpp:1099–1163

    }

    void DispatchCompute(HRenderContext render_context, uint32_t group_count_x, uint32_t group_count_y, uint32_t group_count_z, HNamedConstantBuffer constant_buffer)
    {
        HComputeProgram compute_program = render_context->m_ComputeProgram;

        if (compute_program == 0)
        {
            return;
        }

        dmGraphics::HContext context = dmRender::GetGraphicsContext(render_context);
        dmGraphics::HTexture render_context_textures[RenderObject::MAX_TEXTURE_COUNT] = {};

        dmGraphics::EnableProgram(context, compute_program->m_Program);

        ApplyComputeProgramConstants(render_context, compute_program);

        if (constant_buffer)
        {
            ApplyNamedConstantBuffer(render_context, compute_program, constant_buffer);
        }

        GetRenderContextTextures(render_context, compute_program->m_Samplers, render_context_textures);

        uint8_t next_texture_unit = 0;
        for (uint32_t i = 0; i < RenderObject::MAX_TEXTURE_COUNT; ++i)
        {
            if (render_context_textures[i])
            {
                dmGraphics::HTexture texture = render_context_textures[i];

                uint32_t num_texture_handles = dmGraphics::GetNumTextureHandles(context, texture);
                for (int sub_handle = 0; sub_handle < num_texture_handles; ++sub_handle)
                {
                    dmGraphics::EnableTexture(context, next_texture_unit, sub_handle, texture);

                    HSampler sampler = GetProgramSampler(compute_program->m_Samplers, next_texture_unit);
                    ApplyProgramSampler(render_context, sampler, next_texture_unit, texture);

                    next_texture_unit++;
                }
            }
        }

        ApplyComputeProgramLightBuffers(render_context, compute_program);

        dmGraphics::DispatchCompute(context, group_count_x, group_count_y, group_count_z);

        next_texture_unit = 0;
        for (uint32_t i = 0; i < RenderObject::MAX_TEXTURE_COUNT; ++i)
        {
            if (render_context_textures[i])
            {
                dmGraphics::HTexture texture = render_context_textures[i];
                uint32_t num_texture_handles = dmGraphics::GetNumTextureHandles(context, texture);
                for (int sub_handle = 0; sub_handle < num_texture_handles; ++sub_handle)
                {
                    dmGraphics::DisableTexture(context, next_texture_unit, texture);
                    next_texture_unit++;