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update waterwarp shader

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git-svn-id: https://svn.code.sf.net/p/fteqw/code/branches/wip@3767 fc73d0e0-1445-4013-8a0c-d673dee63da5
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TimeServ 2011-04-01 01:09:58 +00:00
parent 52fd75801c
commit 01277b23c1
1 changed files with 15 additions and 15 deletions
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30
engine/gl/gl_rmain.c
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@ -144,17 +144,21 @@ void GL_InitSceneProcessingShaders_WaterWarp (void)
"{\n"
"#ifdef VERTEX_SHADER\n"
"\
uniform mat4 m_view;\
uniform mat4 m_projection;\
attribute vec3 v_position;\
attribute vec2 v_texcoord;\
varying vec2 v_stc;\
varying vec2 v_warp;\
varying vec2 v_edge;\
uniform float time;\
uniform float e_time;\
void main (void)\
{\
gl_Position = ftransform();\
gl_Position = m_projection * m_view * vec4(v_position, 1.0);\
v_stc = (1.0+(gl_Position.xy / gl_Position.w))/2.0;\
v_warp.s = time * 0.25 + gl_MultiTexCoord0.s;\
v_warp.t = time * 0.25 + gl_MultiTexCoord0.t;\
v_edge = gl_MultiTexCoord0.xy;\
v_warp.s = e_time * 0.25 + v_texcoord.s;\
v_warp.t = e_time * 0.25 + v_texcoord.t;\
v_edge = v_texcoord.xy;\
}\
\n"
"#endif\n"
@ -163,34 +167,30 @@ void GL_InitSceneProcessingShaders_WaterWarp (void)
varying vec2 v_stc;\
varying vec2 v_warp;\
varying vec2 v_edge;\
uniform sampler2D texScreen;\
uniform sampler2D texWarp;\
uniform sampler2D texEdge;\
uniform sampler2D s_t0;\
uniform sampler2D s_t1;\
uniform sampler2D s_t2;\
uniform float ampscale;\
uniform vec3 rendertexturescale;\
void main (void)\
{\
float amptemp;\
vec3 edge;\
edge = texture2D( texEdge, v_edge ).rgb;\
edge = texture2D( s_t2, v_edge ).rgb;\
amptemp = (0.010 / 0.625) * ampscale * edge.x;\
vec3 offset;\
offset = texture2D( texWarp, v_warp ).rgb;\
offset = texture2D( s_t1, v_warp ).rgb;\
offset.x = (offset.x - 0.5) * 2.0;\
offset.y = (offset.y - 0.5) * 2.0;\
vec2 temp;\
temp.x = v_stc.x + offset.x * amptemp;\
temp.y = v_stc.y + offset.y * amptemp;\
gl_FragColor = texture2D( texScreen, temp*rendertexturescale.st );\
gl_FragColor = texture2D( s_t0, temp*rendertexturescale.st );\
}\
\n"
"#endif\n"
"}\n"
"param cvarf r_waterwarp ampscale\n"
"param texture 0 texScreen\n"
"param texture 1 texWarp\n"
"param texture 2 texEdge\n"
"param time time\n"
"param rendertexturescale rendertexturescale\n"
"{\n"
"map $currentrender\n"