mirror of
https://github.com/godotengine/godot.git
synced 2024-12-27 11:24:59 +08:00
e600fb93a5
This is an initial implementation using the same single-pass approach as the RenderingDevice.
122 lines
2.8 KiB
GLSL
122 lines
2.8 KiB
GLSL
|
|
#define MAX_LIGHTS_PER_ITEM uint(16)
|
|
|
|
#define M_PI 3.14159265359
|
|
|
|
#define SDF_MAX_LENGTH 16384.0
|
|
|
|
//1 means enabled, 2+ means trails in use
|
|
#define FLAGS_INSTANCING_MASK uint(0x7F)
|
|
#define FLAGS_INSTANCING_HAS_COLORS uint(1 << 7)
|
|
#define FLAGS_INSTANCING_HAS_CUSTOM_DATA uint(1 << 8)
|
|
|
|
#define FLAGS_CLIP_RECT_UV uint(1 << 9)
|
|
#define FLAGS_TRANSPOSE_RECT uint(1 << 10)
|
|
#define FLAGS_USING_LIGHT_MASK uint(1 << 11)
|
|
#define FLAGS_NINEPACH_DRAW_CENTER uint(1 << 12)
|
|
#define FLAGS_USING_PARTICLES uint(1 << 13)
|
|
|
|
#define FLAGS_NINEPATCH_H_MODE_SHIFT 16
|
|
#define FLAGS_NINEPATCH_V_MODE_SHIFT 18
|
|
|
|
#define FLAGS_LIGHT_COUNT_SHIFT 20
|
|
|
|
#define FLAGS_DEFAULT_NORMAL_MAP_USED uint(1 << 26)
|
|
#define FLAGS_DEFAULT_SPECULAR_MAP_USED uint(1 << 27)
|
|
|
|
#define FLAGS_USE_MSDF uint(1 << 28)
|
|
#define FLAGS_USE_LCD uint(1 << 29)
|
|
|
|
// must be always 128 bytes long
|
|
struct DrawData {
|
|
vec2 world_x;
|
|
vec2 world_y;
|
|
vec2 world_ofs;
|
|
vec2 color_texture_pixel_size;
|
|
#ifdef USE_PRIMITIVE
|
|
vec2 point_a;
|
|
vec2 point_b;
|
|
vec2 point_c;
|
|
vec2 uv_a;
|
|
vec2 uv_b;
|
|
vec2 uv_c;
|
|
uint color_a_rg;
|
|
uint color_a_ba;
|
|
uint color_b_rg;
|
|
uint color_b_ba;
|
|
uint color_c_rg;
|
|
uint color_c_ba;
|
|
#else
|
|
vec4 modulation;
|
|
vec4 ninepatch_margins;
|
|
vec4 dst_rect; //for built-in rect and UV
|
|
vec4 src_rect;
|
|
uint pad;
|
|
uint pad2;
|
|
#endif
|
|
uint flags;
|
|
uint specular_shininess;
|
|
uvec4 lights;
|
|
};
|
|
|
|
layout(std140) uniform GlobalShaderUniformData { //ubo:1
|
|
vec4 global_shader_uniforms[MAX_GLOBAL_SHADER_UNIFORMS];
|
|
};
|
|
|
|
layout(std140) uniform CanvasData { //ubo:0
|
|
mat4 canvas_transform;
|
|
mat4 screen_transform;
|
|
mat4 canvas_normal_transform;
|
|
vec4 canvas_modulation;
|
|
vec2 screen_pixel_size;
|
|
float time;
|
|
bool use_pixel_snap;
|
|
|
|
vec4 sdf_to_tex;
|
|
vec2 screen_to_sdf;
|
|
vec2 sdf_to_screen;
|
|
|
|
uint directional_light_count;
|
|
float tex_to_sdf;
|
|
uint pad1;
|
|
uint pad2;
|
|
};
|
|
|
|
#define LIGHT_FLAGS_BLEND_MASK uint(3 << 16)
|
|
#define LIGHT_FLAGS_BLEND_MODE_ADD uint(0 << 16)
|
|
#define LIGHT_FLAGS_BLEND_MODE_SUB uint(1 << 16)
|
|
#define LIGHT_FLAGS_BLEND_MODE_MIX uint(2 << 16)
|
|
#define LIGHT_FLAGS_BLEND_MODE_MASK uint(3 << 16)
|
|
#define LIGHT_FLAGS_HAS_SHADOW uint(1 << 20)
|
|
#define LIGHT_FLAGS_FILTER_SHIFT 22
|
|
#define LIGHT_FLAGS_FILTER_MASK uint(3 << 22)
|
|
#define LIGHT_FLAGS_SHADOW_NEAREST uint(0 << 22)
|
|
#define LIGHT_FLAGS_SHADOW_PCF5 uint(1 << 22)
|
|
#define LIGHT_FLAGS_SHADOW_PCF13 uint(2 << 22)
|
|
|
|
struct Light {
|
|
mat2x4 texture_matrix; //light to texture coordinate matrix (transposed)
|
|
mat2x4 shadow_matrix; //light to shadow coordinate matrix (transposed)
|
|
vec4 color;
|
|
|
|
uint shadow_color; // packed
|
|
uint flags; //index to light texture
|
|
float shadow_pixel_size;
|
|
float height;
|
|
|
|
vec2 position;
|
|
float shadow_zfar_inv;
|
|
float shadow_y_ofs;
|
|
|
|
vec4 atlas_rect;
|
|
};
|
|
|
|
layout(std140) uniform LightData { //ubo:2
|
|
Light light_array[MAX_LIGHTS];
|
|
};
|
|
|
|
layout(std140) uniform DrawDataInstances { //ubo:3
|
|
|
|
DrawData draw_data[MAX_DRAW_DATA_INSTANCES];
|
|
};
|