mirror/The-Powder-Toy
1
0
Fork 0
mirror of https://github.com/The-Powder-Toy/The-Powder-Toy.git synced 2025-08-23 16:33:00 +02:00
Code Issues Projects Releases Wiki Activity

Embed shaders

Browse Source
This commit is contained in:
Simon Robertshaw
2011-10-22 19:24:32 +01:00
parent ba59ba8b7c
commit 014c1fbad6
2 changed files with 49 additions and 12 deletions
Download Patch File Download Diff File Expand all files Collapse all files

44
includes/graphics.h
View File

@@ -193,14 +193,54 @@ void ogl_blit(int x, int y, int w, int h, pixel *src, int pitch, int scale);
#endif
#ifdef INCLUDE_SHADERS
const char * fragment = "uniform sampler2D fireAlpha;\
const char * fireFragment = "uniform sampler2D fireAlpha;\
void main () {\
vec4 texColor = texture2D(fireAlpha, gl_PointCoord);\
gl_FragColor = vec4(gl_Color.rgb, texColor.a*gl_Color.a);\
}";
const char * vertex = "void main(void)\
const char * fireVertex = "void main(void)\
{\
gl_Position = ftransform();;\
gl_FrontColor = gl_Color;\
}";
const char * lensFragment = "uniform sampler2D pTex;\
uniform sampler2D tfX;\
uniform sampler2D tfY;\
uniform float xres = 612.0;\
uniform float yres = 384.0;\
void main () {\
vec4 transformX = texture2D(tfX, vec2(gl_TexCoord[0].s, -gl_TexCoord[0].t));\
vec4 transformY = -texture2D(tfY, vec2(gl_TexCoord[0].s, -gl_TexCoord[0].t));\
transformX.r /= xres;\
transformY.g /= yres;\
vec4 texColor = vec4(\
texture2D(pTex, gl_TexCoord[0].st-vec2(transformX.r*0.75, transformY.g*0.75)).r,\
texture2D(pTex, gl_TexCoord[0].st-vec2(transformX.r*0.875, transformY.g*0.875)).g,\
texture2D(pTex, gl_TexCoord[0].st-vec2(transformX.r, transformY.g)).b,\
1.0\
);\
gl_FragColor = texColor;\
}";
const char * lensVertex = "void main(void)\
{\
gl_TexCoord[0] = gl_MultiTexCoord0;\
gl_Position = ftransform();;\
gl_FrontColor = gl_Color;\
}";
const char * airFragment = "uniform sampler2D airX;\
uniform sampler2D airY;\
uniform sampler2D airP;\
void main () {\
vec4 texX = texture2D(airX, gl_TexCoord[0].st);\
vec4 texY = texture2D(airY, gl_TexCoord[0].st);\
vec4 texP = texture2D(airP, gl_TexCoord[0].st);\
gl_FragColor = vec4(abs(texX.r)/2.0, texP.b/2.0, abs(texY.g)/2.0, 1.0);\
}";
const char * airVertex = "void main(void)\
{\
gl_TexCoord[0] = gl_MultiTexCoord0;\
gl_Position = ftransform();;\
gl_FrontColor = gl_Color;\
}";
#endif