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premultiplied alpha support

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This commit is contained in:
Sean Barrett
2015-03-17 02:10:58 -07:00
parent f49c90c03d
commit ba49d37e6a
2 changed files with 130 additions and 18 deletions
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11
tests/caveview/cave_mesher.c
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@ -21,7 +21,8 @@
#define STBVOX_CONFIG_PREFER_TEXBUFFER
//#define STBVOX_CONFIG_LIGHTING_SIMPLE
#define STBVOX_CONFIG_FOG_SMOOTHSTEP
#define STBVOX_CONFIG_PREMULTIPLIED_ALPHA // use this even though it doesn't really work for alpha test without next #define
//#define STBVOX_CONFIG_UNPREMULTIPLY // slower, makes windows & fancy leaves look better
#define STBVOX_ROTATION_IN_LIGHTING
#define STB_VOXEL_RENDER_IMPLEMENTATION
@ -33,7 +34,9 @@ extern void ods(char *fmt, ...);
#define FAST_CHUNK
#define IN_PLACE
#define SKIP_TERRAIN 0 // must be a multiple of 16; doesn't build some underground stuff
#define SKIP_TERRAIN 0 // use to avoid building underground stuff
// allows you to see what perf would be like if underground was efficiently culled,
// or if you were making a game without underground
enum
{
@ -189,7 +192,7 @@ unsigned char minecraft_info[256][7] =
{ C_empty },
{ C_solid, 54,54,54,54,54,54 },
{ C_solid, 125,125,125,125,125,125 },
{ C_solid, 124,124,124,124,124,124 },
{ C_solid, 126,126,126,126,126,126 },
{ C_empty }, // bars
{ C_trans, 49,49,49,49,49,49 }, // glass pane
{ C_solid, 136,136,136,136,137,137 }, // melon
@ -227,7 +230,7 @@ unsigned char minecraft_info[256][7] =
// 128
{ C_solid, 192,192,192,192,176,176 }, // sandstone stairs
{ C_solid, 32,32,32,32,32,32 }, // emerald ore
{ C_empty }, // ender chest
{ C_solid, 26,26,26,27,25,25 }, // ender chest
{ C_empty },
{ C_empty },
{ C_solid, 23,23,23,23,23,23 }, // emerald block