147 lines
2.6 KiB
Plaintext
147 lines
2.6 KiB
Plaintext
#define V_PixelsPerMeter 48.0
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#define V_PixelsPerSqMeter (V_PixelsPerMeter * V_PixelsPerMeter)
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////////////////////////////////////////////////////////////
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//~ Constant types
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G_DeclConstant(G_RWStructuredBufferRef, V_ShaderConst_State, 0);
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G_DeclConstant(G_StructuredBufferRef, V_ShaderConst_Params, 1);
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Enum(V_SelectionMode)
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{
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V_SelectionMode_None,
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V_SelectionMode_Tile,
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};
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Struct(V_Xforms)
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{
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// World <-> ui
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Xform world_to_ui;
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Xform ui_to_world;
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// Draw <-> ui
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Xform draw_to_ui;
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Xform ui_to_draw;
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// World <-> draw
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Xform world_to_draw;
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Xform draw_to_world;
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// World <-> decal
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Xform world_to_decal;
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Xform decal_to_world;
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};
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Struct(V_GpuState)
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{
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u32 particle_seq; // Atomic monotonically increasing allocation counter sequence for particle ring buffer
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};
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Struct(V_GpuParams)
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{
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f32 dt;
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Vec2 target_size;
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G_Texture2DRef target_ro;
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G_RWTexture2DRef target_rw;
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V_Xforms xf;
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u64 seed;
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G_Texture3DRef noise;
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V_SelectionMode selection_mode;
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S_TileKind equipped_tile;
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b32 has_mouse_focus;
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b32 has_keyboard_focus;
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Vec2 ui_cursor;
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Vec2 draw_cursor;
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Vec2 world_cursor;
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Rng2 ui_selection;
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Rng2 draw_selection;
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Rng2 world_selection;
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Vec2 camera_pos;
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f32 camera_zoom;
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G_Texture2DRef tiles;
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G_StructuredBufferRef quads;
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G_StructuredBufferRef shape_verts;
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u32 emitters_count;
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G_StructuredBufferRef emitters;
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u32 max_particles;
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G_RWStructuredBufferRef particles;
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G_RWTexture2DRef decals;
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};
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////////////////////////////////////////////////////////////
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//~ Particle types
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Enum(V_ParticleKind)
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{
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V_ParticleKind_None,
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V_ParticleKind_Test
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};
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Struct(V_Emitter)
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{
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V_ParticleKind particle_kind;
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Vec2 pos;
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f32 angle;
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u32 count;
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f32 speed;
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u64 seed;
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f32 angle_spread;
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f32 speed_spread;
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};
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// TODO: Pack this efficiently
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Struct(V_Particle)
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{
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V_ParticleKind kind;
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u32 emitter_init_num; // if != 0, then initialize using emitter at index (emitter_init_num - 1)
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u32 idx_in_emitter;
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Vec2 pos;
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Vec2 velocity;
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};
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#if IsLanguageC
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Struct(V_EmitterNode)
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{
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V_EmitterNode *next;
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V_Emitter emitter;
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};
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#endif
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////////////////////////////////////////////////////////////
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//~ Backdrop shader types
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#define V_BackdropCSThreadSizeFromTexSize(tex_size) VEC3I32((tex_size.x + 7) / 8, (tex_size.y + 7) / 8, 1)
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////////////////////////////////////////////////////////////
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//~ Quad types
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Enum(V_DQuadFlag)
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{
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V_DQuadFlag_None = 0,
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V_DQuadFlag_DrawGrid = (1 << 0),
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};
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Struct(V_DQuad)
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{
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V_DQuadFlag flags;
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};
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////////////////////////////////////////////////////////////
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//~ Vert types
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Struct(V_DVert)
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{
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Vec2 pos;
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Vec4 color_lin;
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};
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