/*
 * Copyright © 2020 Valve Corporation
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice (including the next
 * paragraph) shall be included in all copies or substantial portions of the
 * Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
 * IN THE SOFTWARE.
 *
 */
#ifndef ACO_TEST_HELPERS_H
#define ACO_TEST_HELPERS_H

#include "framework.h"
#include "vulkan/vulkan.h"

enum QoShaderDeclType {
   QoShaderDeclType_ubo,
   QoShaderDeclType_ssbo,
   QoShaderDeclType_img_buf,
   QoShaderDeclType_img,
   QoShaderDeclType_tex_buf,
   QoShaderDeclType_combined,
   QoShaderDeclType_tex,
   QoShaderDeclType_samp,
   QoShaderDeclType_in,
   QoShaderDeclType_out,
};

struct QoShaderDecl {
   const char *name;
   const char *type;
   QoShaderDeclType decl_type;
   //TODO: array size?
   unsigned location;
   unsigned component;
   unsigned binding;
   unsigned set;
};

struct QoShaderModuleCreateInfo {
    void *pNext;
    size_t spirvSize;
    const void *pSpirv;
    uint32_t declarationCount;
    const QoShaderDecl *pDeclarations;
    VkShaderStageFlagBits stage;
};

extern ac_shader_config config;
extern radv_shader_info info;
extern std::unique_ptr<aco::Program> program;
extern aco::Builder bld;
extern aco::Temp exec_input;
extern aco::Temp inputs[16];
extern const char *subvariant;

void create_program(enum chip_class chip_class, aco::Stage stage,
                    unsigned wave_size=64, enum radeon_family family=CHIP_UNKNOWN);
bool setup_cs(const char *input_spec, enum chip_class chip_class,
              enum radeon_family family=CHIP_UNKNOWN, unsigned wave_size=64);

void finish_program(aco::Program *program);
void finish_validator_test();
void finish_opt_test();
void finish_to_hw_instr_test();
void finish_assembler_test();

void writeout(unsigned i, aco::Temp tmp=aco::Temp(0, aco::s1));

/* vulkan helpers */
VkDevice get_vk_device(enum chip_class chip_class);
VkDevice get_vk_device(enum radeon_family family);

void print_pipeline_ir(VkDevice device, VkPipeline pipeline, VkShaderStageFlagBits stages,
                       const char *name, bool remove_encoding=false);

VkShaderModule __qoCreateShaderModule(VkDevice dev, const QoShaderModuleCreateInfo *info);

class PipelineBuilder {
public:
   /* inputs */
   VkDevice device;
   VkFormat color_outputs[16];
   VkFormat ds_output;
   VkPrimitiveTopology topology;
   VkSampleCountFlagBits samples;
   bool sample_shading_enable;
   float min_sample_shading;
   uint32_t patch_size;
   VkPipelineVertexInputStateCreateInfo vs_input;
   VkVertexInputBindingDescription vs_bindings[16];
   VkVertexInputAttributeDescription vs_attributes[16];
   VkPushConstantRange push_constant_range;
   uint64_t desc_layouts_used;
   unsigned num_desc_bindings[64];
   VkDescriptorSetLayoutBinding desc_bindings[64][64];
   VkPipelineShaderStageCreateInfo stages[5];
   VkShaderStageFlags owned_stages;

   /* outputs */
   VkGraphicsPipelineCreateInfo gfx_pipeline_info;
   VkComputePipelineCreateInfo cs_pipeline_info;
   VkDescriptorSetLayout desc_layouts[64];
   VkPipelineLayout pipeline_layout;
   VkRenderPass render_pass;
   VkPipeline pipeline;

   PipelineBuilder(VkDevice dev);
   ~PipelineBuilder();

   PipelineBuilder(const PipelineBuilder&) = delete;
   PipelineBuilder& operator = (const PipelineBuilder&) = delete;

   void add_desc_binding(VkShaderStageFlags stage_flags, uint32_t layout,
                         uint32_t binding, VkDescriptorType type, uint32_t count=1);

   void add_vertex_binding(uint32_t binding, uint32_t stride, VkVertexInputRate rate=VK_VERTEX_INPUT_RATE_VERTEX);
   void add_vertex_attribute(uint32_t location, uint32_t binding, VkFormat format, uint32_t offset);

   void add_resource_decls(QoShaderModuleCreateInfo *module);
   void add_io_decls(QoShaderModuleCreateInfo *module);

   void add_stage(VkShaderStageFlagBits stage, VkShaderModule module, const char *name="main");
   void add_vsfs(VkShaderModule vs, VkShaderModule fs);
   void add_vsfs(QoShaderModuleCreateInfo vs, QoShaderModuleCreateInfo fs);
   void add_cs(VkShaderModule cs);
   void add_cs(QoShaderModuleCreateInfo cs);

   bool is_compute();

   void create_pipeline();

   void print_ir(VkShaderStageFlagBits stages, const char *name, bool remove_encoding=false);
private:
   void create_compute_pipeline();
   void create_graphics_pipeline();
};

#endif /* ACO_TEST_HELPERS_H */