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https://github.com/godotengine/godot
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112 lines
2.5 KiB
GLSL
112 lines
2.5 KiB
GLSL
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#define MAX_LIGHTS_PER_ITEM 16
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#define M_PI 3.14159265359
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#define SDF_MAX_LENGTH 16384.0
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//1 means enabled, 2+ means trails in use
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#define FLAGS_INSTANCING_MASK 0x7F
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#define FLAGS_INSTANCING_HAS_COLORS (1 << 7)
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#define FLAGS_INSTANCING_HAS_CUSTOM_DATA (1 << 8)
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#define FLAGS_CLIP_RECT_UV (1 << 9)
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#define FLAGS_TRANSPOSE_RECT (1 << 10)
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#define FLAGS_USING_LIGHT_MASK (1 << 11)
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#define FLAGS_NINEPACH_DRAW_CENTER (1 << 12)
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#define FLAGS_USING_PARTICLES (1 << 13)
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#define FLAGS_NINEPATCH_H_MODE_SHIFT 16
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#define FLAGS_NINEPATCH_V_MODE_SHIFT 18
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#define FLAGS_LIGHT_COUNT_SHIFT 20
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#define FLAGS_DEFAULT_NORMAL_MAP_USED (1 << 26)
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#define FLAGS_DEFAULT_SPECULAR_MAP_USED (1 << 27)
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#define FLAGS_USE_MSDF (1 << 28)
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// must be always 128 bytes long
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struct DrawData {
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vec2 world_x;
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vec2 world_y;
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vec2 world_ofs;
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uint flags;
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uint specular_shininess;
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#ifdef USE_PRIMITIVE
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vec2 points[3];
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vec2 uvs[3];
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uint colors[6];
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#else
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vec4 modulation;
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vec4 ninepatch_margins;
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vec4 dst_rect; //for built-in rect and UV
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vec4 src_rect;
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vec2 pad;
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#endif
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vec2 color_texture_pixel_size;
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uint lights[4];
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}
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layout(std140) uniform GlobalVariableData { //ubo:1
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vec4 global_variables[MAX_GLOBAL_VARIABLES];
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};
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layout(std140) uniform CanvasData { //ubo:0
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mat4 canvas_transform;
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mat4 screen_transform;
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mat4 canvas_normal_transform;
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vec4 canvas_modulation;
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vec2 screen_pixel_size;
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float time;
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bool use_pixel_snap;
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vec4 sdf_to_tex;
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vec2 screen_to_sdf;
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vec2 sdf_to_screen;
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uint directional_light_count;
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float tex_to_sdf;
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uint pad1;
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uint pad2;
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};
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#define LIGHT_FLAGS_BLEND_MASK (3 << 16)
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#define LIGHT_FLAGS_BLEND_MODE_ADD (0 << 16)
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#define LIGHT_FLAGS_BLEND_MODE_SUB (1 << 16)
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#define LIGHT_FLAGS_BLEND_MODE_MIX (2 << 16)
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#define LIGHT_FLAGS_BLEND_MODE_MASK (3 << 16)
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#define LIGHT_FLAGS_HAS_SHADOW (1 << 20)
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#define LIGHT_FLAGS_FILTER_SHIFT 22
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#define LIGHT_FLAGS_FILTER_MASK (3 << 22)
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#define LIGHT_FLAGS_SHADOW_NEAREST (0 << 22)
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#define LIGHT_FLAGS_SHADOW_PCF5 (1 << 22)
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#define LIGHT_FLAGS_SHADOW_PCF13 (2 << 22)
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struct Light {
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mat2x4 texture_matrix; //light to texture coordinate matrix (transposed)
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mat2x4 shadow_matrix; //light to shadow coordinate matrix (transposed)
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vec4 color;
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uint shadow_color; // packed
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uint flags; //index to light texture
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float shadow_pixel_size;
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float height;
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vec2 position;
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float shadow_zfar_inv;
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float shadow_y_ofs;
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vec4 atlas_rect;
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};
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layout(std140) uniform LightData { //ubo:2
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Light light_data[MAX_LIGHTS];
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};
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layout(std140) uniform DrawDataInstances { //ubo:3
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DrawData draw_data[MAX_DRAW_DATA_INSTANCES];
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};
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