112 lines
2.2 KiB
C
112 lines
2.2 KiB
C
/* date = April 26th 2023 11:04 pm */
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#ifndef VN_RENDER_H
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#define VN_RENDER_H
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#define MAX_BOUND_TEXTURES 16
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#define MAX_QUAD_COUNT 128*1024
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#define ColorFromHex(Value) V4((((Value) >> 24) & 0xFF) / 255.0, (((Value) >> 16) & 0xFF) / 255.0, (((Value) >> 8) & 0xFF) / 255.0, (((Value) >> 0) & 0xFF) / 255.0)
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#define Brighten(Color, Amount) (Color*(Amount))
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#define Darken(Color, Amount) (Color*(1.0/(Amount)))
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read_only v4 Color_Black = V4(0, 0, 0, 1);
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read_only v4 Color_White = V4(1, 1, 1, 1);
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read_only v4 Color_Grey = V4(0.5, 0.5, 0.5, 1);
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read_only v4 Color_Red = V4(1, 0, 0, 1);
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read_only v4 Color_Green = V4(0, 1, 0, 1);
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read_only v4 Color_Blue = V4(0, 0, 1, 1);
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read_only v4 Color_Yellow = V4(1, 1, 0, 1);
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read_only v4 Color_Magenta = V4(1, 0, 1, 1);
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read_only v4 Color_Cyan = V4(0, 1, 1, 1);
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#define SetAlpha(Color, Value) V4(Color.x, Color.y, Color.z, Value)
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enum render_texture_format
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{
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Render_TextureFormat_Invalid,
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Render_TextureFormat_R8,
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Render_TextureFormat_RGB8,
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Render_TextureFormat_RGBA8,
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};
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struct render_handle
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{
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union
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{
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u64 U64[4];
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u32 U32[8];
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};
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};
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enum render_command_type
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{
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Render_Command_render_command_clear,
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Render_Command_render_command_quads,
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//Render_Command_render_command_instanced_quads,
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Render_Command_render_command_clip,
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};
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struct render_command_clear
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{
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v3 Color;
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};
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struct render_command_quads
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{
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u64 QuadCount;
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u64 QuadBufferIndex;
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s32 TexturesUsed;
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render_handle Textures[16];
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};
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struct render_command_clip
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{
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range2_r32 ClipRect;
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};
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struct render_command_header
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{
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render_command_type Type;
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};
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struct render_group
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{
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struct vn_render_commands *Commands;
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render_command_header *CurrentCommand;
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range2_r32 ClipStack[64];
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s32 ClipStackUsed;
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};
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#if 0
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struct instanced_quad
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{
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range2_r32 Dest;
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range2_r32 Source;
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u32 TextureIndex;
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u32 Colors[4];
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r32 CornerRadius;
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r32 EdgeSoftness;
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r32 BorderThickness;
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};
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#endif
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struct quad_vertex
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{
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v2 P;
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v2 SourceP;
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u32 TextureIndex;
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u32 Color;
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v2 ToCenter; // sixten: ToCenter = Center - P
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v2 HalfSize;
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r32 CornerRadius;
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r32 EdgeSoftness;
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r32 BorderThickness;
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};
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#endif //VN_RENDER_H
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