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godot/servers/visual/rasterizer_rd/rasterizer_scene_forward_rd.h

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Add static Vulkan loader. Initial Vulkan support for Windows. Initial Vulkan support for macOS.
2019-06-22 16:34:26 +00:00
/*************************************************************************/
/* rasterizer_scene_forward_rd.h */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2019 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2019 Godot Engine contributors (cf. AUTHORS.md) */
/* */
/* 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 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. */
/*************************************************************************/
Texture refactor -Texture renamed to Texture2D -TextureLayered as base now inherits 2Darray, cubemap and cubemap array -Removed all references to flags in textures (they will go in the shader) -Texture3D gone for now (will come back later done properly) -Create base rasterizer for RenderDevice, RasterizerRD
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#ifndef RASTERIZER_SCENE_FORWARD_RD_H
#define RASTERIZER_SCENE_FORWARD_RD_H
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#include "servers/visual/rasterizer_rd/rasterizer_scene_rd.h"
#include "servers/visual/rasterizer_rd/rasterizer_storage_rd.h"
#include "servers/visual/rasterizer_rd/render_pipeline_vertex_format_cache_rd.h"
#include "servers/visual/rasterizer_rd/shaders/scene_forward.glsl.gen.h"
Texture refactor -Texture renamed to Texture2D -TextureLayered as base now inherits 2Darray, cubemap and cubemap array -Removed all references to flags in textures (they will go in the shader) -Texture3D gone for now (will come back later done properly) -Create base rasterizer for RenderDevice, RasterizerRD
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class RasterizerSceneForwardRD : public RasterizerSceneRD {
/* Shader */
enum ShaderVersion {
SHADER_VERSION_DEPTH_PASS,
SHADER_VERSION_DEPTH_PASS_WITH_NORMAL,
SHADER_VERSION_DEPTH_PASS_WITH_NORMAL_AND_ROUGHNESS,
SHADER_VERSION_COLOR_PASS,
SHADER_VERSION_COLOR_PASS_WITH_SEPARATE_SPECULAR,
SHADER_VERSION_VCT_COLOR_PASS,
SHADER_VERSION_VCT_COLOR_PASS_WITH_SEPARATE_SPECULAR,
SHADER_VERSION_LIGHTMAP_COLOR_PASS,
SHADER_VERSION_LIGHTMAP_COLOR_PASS_WITH_SEPARATE_SPECULAR,
SHADER_VERSION_MAX
};
struct {
SceneForwardShaderRD scene_shader;
ShaderCompilerRD compiler;
} shader;
RasterizerStorageRD *storage;
/* Material */
struct ShaderData : public RasterizerStorageRD::ShaderData {
enum BlendMode { //used internally
BLEND_MODE_MIX,
BLEND_MODE_ADD,
BLEND_MODE_SUB,
BLEND_MODE_MUL,
};
enum DepthDraw {
DEPTH_DRAW_DISABLED,
DEPTH_DRAW_OPAQUE,
DEPTH_DRAW_ALWAYS
};
enum DepthTest {
DEPTH_TEST_DISABLED,
DEPTH_TEST_ENABLED
};
enum Cull {
CULL_DISABLED,
CULL_FRONT,
CULL_BACK
};
enum CullVariant {
CULL_VARIANT_NORMAL,
CULL_VARIANT_REVERSED,
CULL_VARIANT_DOUBLE_SIDED,
CULL_VARIANT_MAX
};
bool valid;
RID version;
uint32_t vertex_input_mask;
RenderPipelineVertexFormatCacheRD pipelines[CULL_VARIANT_MAX][VS::PRIMITIVE_MAX][SHADER_VERSION_MAX];
String path;
Map<StringName, ShaderLanguage::ShaderNode::Uniform> uniforms;
Vector<ShaderCompilerRD::GeneratedCode::Texture> texture_uniforms;
Vector<uint32_t> ubo_offsets;
uint32_t ubo_size;
String code;
Map<StringName, RID> default_texture_params;
DepthDraw depth_draw;
DepthTest depth_test;
bool uses_point_size;
bool uses_alpha;
bool uses_blend_alpha;
bool uses_depth_pre_pass;
bool uses_discard;
bool uses_roughness;
bool uses_normal;
bool unshaded;
bool uses_vertex;
bool uses_sss;
bool uses_screen_texture;
bool uses_depth_texture;
bool uses_normal_texture;
bool uses_time;
bool writes_modelview_or_projection;
bool uses_world_coordinates;
uint64_t last_pass = 0;
uint32_t index = 0;
virtual void set_code(const String &p_Code);
virtual void set_default_texture_param(const StringName &p_name, RID p_texture);
virtual void get_param_list(List<PropertyInfo> *p_param_list) const;
virtual bool is_param_texture(const StringName &p_param) const;
virtual bool is_animated() const;
virtual bool casts_shadows() const;
virtual Variant get_default_parameter(const StringName &p_parameter) const;
ShaderData();
virtual ~ShaderData();
};
RasterizerStorageRD::ShaderData *_create_shader_func();
static RasterizerStorageRD::ShaderData *_create_shader_funcs() {
return static_cast<RasterizerSceneForwardRD *>(singleton)->_create_shader_func();
}
struct MaterialData : public RasterizerStorageRD::MaterialData {
uint64_t last_frame;
ShaderData *shader_data;
RID uniform_buffer;
RID uniform_set;
Vector<RID> texture_cache;
Vector<uint8_t> ubo_data;
uint64_t last_pass = 0;
uint32_t index = 0;
RID next_pass;
uint8_t priority;
virtual void set_render_priority(int p_priority);
virtual void set_next_pass(RID p_pass);
virtual void update_parameters(const Map<StringName, Variant> &p_parameters, bool p_uniform_dirty, bool p_textures_dirty);
virtual ~MaterialData();
};
RasterizerStorageRD::MaterialData *_create_material_func(ShaderData *p_shader);
static RasterizerStorageRD::MaterialData *_create_material_funcs(RasterizerStorageRD::ShaderData *p_shader) {
return static_cast<RasterizerSceneForwardRD *>(singleton)->_create_material_func(static_cast<ShaderData *>(p_shader));
}
/* Instance Custom Data */
struct InstanceGeometryData : public InstanceCustomData {
struct UBO {
float transform[16];
float normal_transform[12];
uint32_t flags;
uint32_t pad[3];
};
RID ubo;
RID uniform_set_base;
RID uniform_set_gi;
bool ubo_dirty = true;
bool using_lightmap_gi = false;
bool using_vct_gi = false;
};
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/* Push Constant */
struct PushConstant {
uint32_t reflection_probe_count;
uint32_t omni_light_count;
uint32_t spot_light_count;
uint32_t decal_count;
float reflection_probe_indices[4];
float omni_light_indices[4];
float spot_light_indices[4];
float decal_indices[4];
};
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/* Framebuffer */
struct RenderBufferDataForward : public RenderBufferData {
//for rendering, may be MSAAd
RID color;
RID depth;
RID color_fb;
int width, height;
RID render_target;
RID uniform_set_opaque;
RID uniform_set_alpha;
void clear();
virtual void configure(RID p_render_target, int p_width, int p_height, VS::ViewportMSAA p_msaa);
~RenderBufferDataForward();
};
virtual RenderBufferData *_create_render_buffer_data();
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RID default_render_buffer_uniform_set;
/* Instance Data */
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struct InstanceData {
struct UBO {
};
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RID state_buffer;
RID uniform_set;
};
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RID_Owner<InstanceData> instance_data_owner;
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Base 3D engine done, still untested, though.
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/* Scene State UBO */
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struct SceneState {
struct UBO {
float projection_matrix[16];
float inv_projection_matrix[16];
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float camera_matrix[16];
float inv_camera_matrix[16];
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Base 3D engine done, still untested, though.
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float viewport_size[2];
float screen_pixel_size[2];
Texture refactor -Texture renamed to Texture2D -TextureLayered as base now inherits 2Darray, cubemap and cubemap array -Removed all references to flags in textures (they will go in the shader) -Texture3D gone for now (will come back later done properly) -Create base rasterizer for RenderDevice, RasterizerRD
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float shadow_z_offset;
float shadow_z_slope_scale;
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float time;
float reflection_multiplier;
};
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UBO ubo;
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Base 3D engine done, still untested, though.
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RID uniform_buffer;
Texture refactor -Texture renamed to Texture2D -TextureLayered as base now inherits 2Darray, cubemap and cubemap array -Removed all references to flags in textures (they will go in the shader) -Texture3D gone for now (will come back later done properly) -Create base rasterizer for RenderDevice, RasterizerRD
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Base 3D engine done, still untested, though.
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bool used_screen_texture = false;
bool used_normal_texture = false;
bool used_depth_texture = false;
bool used_sss = false;
uint32_t current_shader_index = 0;
uint32_t current_material_index = 0;
} scene_state;
Texture refactor -Texture renamed to Texture2D -TextureLayered as base now inherits 2Darray, cubemap and cubemap array -Removed all references to flags in textures (they will go in the shader) -Texture3D gone for now (will come back later done properly) -Create base rasterizer for RenderDevice, RasterizerRD
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/* Render List */
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struct RenderList {
Texture refactor -Texture renamed to Texture2D -TextureLayered as base now inherits 2Darray, cubemap and cubemap array -Removed all references to flags in textures (they will go in the shader) -Texture3D gone for now (will come back later done properly) -Create base rasterizer for RenderDevice, RasterizerRD
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int max_elements;
struct Element {
RasterizerScene::InstanceBase *instance;
MaterialData *material;
union {
struct {
//from least significant to most significant in sort, TODO: should be endian swapped on big endian
uint64_t material_index : 20;
uint64_t shader_index : 20;
uint64_t priority : 16;
uint64_t depth_layer : 8;
};
uint64_t sort_key;
};
uint32_t surface_index;
};
Element *base_elements;
Element **elements;
int element_count;
int alpha_element_count;
void clear() {
element_count = 0;
alpha_element_count = 0;
}
//should eventually be replaced by radix
struct SortByKey {
_FORCE_INLINE_ bool operator()(const Element *A, const Element *B) const {
return A->sort_key < B->sort_key;
}
};
void sort_by_key(bool p_alpha) {
SortArray<Element *, SortByKey> sorter;
if (p_alpha) {
sorter.sort(&elements[max_elements - alpha_element_count], alpha_element_count);
} else {
sorter.sort(elements, element_count);
}
}
struct SortByDepth {
_FORCE_INLINE_ bool operator()(const Element *A, const Element *B) const {
return A->instance->depth < B->instance->depth;
}
};
void sort_by_depth(bool p_alpha) { //used for shadows
SortArray<Element *, SortByDepth> sorter;
if (p_alpha) {
sorter.sort(&elements[max_elements - alpha_element_count], alpha_element_count);
} else {
sorter.sort(elements, element_count);
}
}
struct SortByReverseDepthAndPriority {
_FORCE_INLINE_ bool operator()(const Element *A, const Element *B) const {
uint32_t layer_A = uint32_t(A->priority);
uint32_t layer_B = uint32_t(B->priority);
if (layer_A == layer_B) {
return A->instance->depth > B->instance->depth;
} else {
return layer_A < layer_B;
}
}
};
void sort_by_reverse_depth_and_priority(bool p_alpha) { //used for alpha
SortArray<Element *, SortByReverseDepthAndPriority> sorter;
if (p_alpha) {
sorter.sort(&elements[max_elements - alpha_element_count], alpha_element_count);
} else {
sorter.sort(elements, element_count);
}
}
_FORCE_INLINE_ Element *add_element() {
if (element_count + alpha_element_count >= max_elements)
return NULL;
elements[element_count] = &base_elements[element_count];
return elements[element_count++];
}
_FORCE_INLINE_ Element *add_alpha_element() {
if (element_count + alpha_element_count >= max_elements)
return NULL;
int idx = max_elements - alpha_element_count - 1;
elements[idx] = &base_elements[idx];
alpha_element_count++;
return elements[idx];
}
void init() {
element_count = 0;
alpha_element_count = 0;
elements = memnew_arr(Element *, max_elements);
base_elements = memnew_arr(Element, max_elements);
for (int i = 0; i < max_elements; i++)
elements[i] = &base_elements[i]; // assign elements
}
RenderList() {
max_elements = 0;
}
~RenderList() {
memdelete_arr(elements);
memdelete_arr(base_elements);
}
};
RenderList render_list;
static RasterizerSceneForwardRD *singleton;
uint64_t scene_pass;
uint64_t render_pass;
double time;
RID default_shader;
RID default_material;
RID default_shader_rd;
enum PassMode {
PASS_MODE_COLOR,
PASS_MODE_COLOR_SPECULAR,
PASS_MODE_COLOR_TRANSPARENT,
PASS_MODE_SHADOW,
PASS_MODE_DEPTH,
PASS_MODE_DEPTH_NORMAL,
PASS_MODE_DEPTH_NORMAL_ROUGHNESS,
};
void _setup_environment(RID p_environment, const CameraMatrix &p_cam_projection, const Transform &p_cam_transform, bool p_no_fog);
void _render_list(RenderingDevice::DrawListID p_draw_list, RenderingDevice::FramebufferFormatID p_framebuffer_Format, RenderList::Element **p_elements, int p_element_count, bool p_reverse_cull, PassMode p_pass_mode, RID p_screen_uniform_set, bool p_no_gi);
_FORCE_INLINE_ void _add_geometry(InstanceBase *p_instance, uint32_t p_surface, RID p_material, PassMode p_pass_mode);
_FORCE_INLINE_ void _add_geometry_with_material(InstanceBase *p_instance, uint32_t p_surface, MaterialData *p_material, PassMode p_pass_mode);
void _fill_render_list(InstanceBase **p_cull_result, int p_cull_count, PassMode p_pass_mode, bool p_no_gi);
protected:
virtual void _render_scene(RenderBufferData *p_buffer_data, const Transform &p_cam_transform, const CameraMatrix &p_cam_projection, bool p_cam_ortogonal, InstanceBase **p_cull_result, int p_cull_count, RID *p_light_cull_result, int p_light_cull_count, RID *p_reflection_probe_cull_result, int p_reflection_probe_cull_count, RID p_environment, RID p_shadow_atlas, RID p_reflection_atlas, RID p_reflection_probe, int p_reflection_probe_pass);
public:
virtual void render_shadow(RID p_light, RID p_shadow_atlas, int p_pass, InstanceBase **p_cull_result, int p_cull_count) {}
Texture refactor -Texture renamed to Texture2D -TextureLayered as base now inherits 2Darray, cubemap and cubemap array -Removed all references to flags in textures (they will go in the shader) -Texture3D gone for now (will come back later done properly) -Create base rasterizer for RenderDevice, RasterizerRD
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Base 3D engine done, still untested, though.
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virtual void set_scene_pass(uint64_t p_pass);
virtual void set_time(double p_time);
virtual void set_debug_draw_mode(VS::ViewportDebugDraw p_debug_draw) {}
Texture refactor -Texture renamed to Texture2D -TextureLayered as base now inherits 2Darray, cubemap and cubemap array -Removed all references to flags in textures (they will go in the shader) -Texture3D gone for now (will come back later done properly) -Create base rasterizer for RenderDevice, RasterizerRD
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Base 3D engine done, still untested, though.
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virtual void instance_create_custom_data(InstanceBase *p_instance);
virtual void instance_free_custom_data(InstanceBase *p_instance);
virtual void instance_custom_data_update_lights(InstanceBase *p_instance);
virtual void instance_custom_data_update_reflection_probes(InstanceBase *p_instance);
virtual void instance_custom_data_update_gi_probes(InstanceBase *p_instance);
virtual void instance_custom_data_update_lightmap(InstanceBase *p_instance);
virtual void instance_custom_data_update_transform(InstanceBase *p_instance);
Texture refactor -Texture renamed to Texture2D -TextureLayered as base now inherits 2Darray, cubemap and cubemap array -Removed all references to flags in textures (they will go in the shader) -Texture3D gone for now (will come back later done properly) -Create base rasterizer for RenderDevice, RasterizerRD
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Base 3D engine done, still untested, though.
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virtual bool free(RID p_rid);
Texture refactor -Texture renamed to Texture2D -TextureLayered as base now inherits 2Darray, cubemap and cubemap array -Removed all references to flags in textures (they will go in the shader) -Texture3D gone for now (will come back later done properly) -Create base rasterizer for RenderDevice, RasterizerRD
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Base 3D engine done, still untested, though.
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RasterizerSceneForwardRD(RasterizerStorageRD *p_storage);
~RasterizerSceneForwardRD();
Texture refactor -Texture renamed to Texture2D -TextureLayered as base now inherits 2Darray, cubemap and cubemap array -Removed all references to flags in textures (they will go in the shader) -Texture3D gone for now (will come back later done properly) -Create base rasterizer for RenderDevice, RasterizerRD
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};
#endif // RASTERIZER_SCENE_FORWARD_RD_H