add motion vectors to all shaders

[carveJwlIkooP6JGAAIwe30JlM.git] / shaders / viewchar.h

diff --git a/shaders/viewchar.h b/shaders/viewchar.h
index 23cb8b77f86553206114a850527cd5bd83a17aaf..20f33d38fbb8bb24e95b58c5c6f9802871270c0b 100644 (file)
--- a/shaders/viewchar.h
+++ b/shaders/viewchar.h
@@ -7,7 +7,6 @@ static struct vg_shader _shader_viewchar = {
    .link = shader_viewchar_link,
    .vs = 
 {
-.orig_file = "../../shaders/standard_skinned.vs",
 .static_src = 
 "layout (location=0) in vec3 a_co;\n"
 "layout (location=1) in vec3 a_norm;\n"
@@ -17,8 +16,22 @@ static struct vg_shader _shader_viewchar = {
 "layout (location=5) in ivec4 a_groups;\n"
 "\n"
 "#line      2        0 \n"
+"#line       1        2 \n"
+"out vec3 aMotionVec0;\n"
+"out vec3 aMotionVec1;\n"
+"\n"
+"void vs_motion_out( vec4 vproj0, vec4 vproj1 )\n"
+"{\n"
+"   aMotionVec0 = vec3( vproj0.xy, vproj0.w );\n"
+"   aMotionVec1 = vec3( vproj1.xy, vproj1.w );\n"
+"}\n"
+"\n"
+"#line      3        0 \n"
 "\n"
 "uniform mat4 uPv;\n"
+"\n"
+"// TODO: Send a previous transform matrix stack\n"
+"//\n"
 "uniform mat4x3 uTransforms[32];\n"
 "\n"
 "out vec4 aColour;\n"
@@ -39,22 +52,24 @@ static struct vg_shader _shader_viewchar = {
 "\n"
 "   vec3 world_pos = co0*a_weights[0] + co1*a_weights[1] + co2*a_weights[2];\n"
 "   vec3 world_normal = n0*a_weights[0] + n1*a_weights[1] + n2*a_weights[2];\n"
-"\n"
+"   \n"
 "   gl_Position = uPv * vec4( world_pos, 1.0 );\n"
 "   aColour = a_colour;\n"
 "   aUv = a_uv;\n"
 "   aNorm = world_normal;\n"
 "   aCo = a_co;\n"
 "   aWorldCo = world_pos;\n"
+"\n"
+"   // TODO:\n"
+"   aMotionVec0 = vec3(1.0);\n"
+"   aMotionVec1 = vec3(1.0);\n"
 "}\n"
 ""},
    .fs = 
 {
-.orig_file = "../../shaders/viewchar.fs",
 .static_src = 
-"out vec4 FragColor;\n"
-"\n"
 "uniform sampler2D uTexMain;\n"
+"uniform vec3 uCamera;\n"
 "\n"
 "in vec4 aColour;\n"
 "in vec2 aUv;\n"
@@ -63,6 +78,8 @@ static struct vg_shader _shader_viewchar = {
 "in vec3 aWorldCo;\n"
 "\n"
 "#line       1        1 \n"
+"layout (location = 0) out vec4 oColour;\n"
+"\n"
 "layout (std140) uniform ub_world_lighting\n"
 "{\n"
 "   vec4 g_light_colours[3];\n"
@@ -74,6 +91,7 @@ static struct vg_shader _shader_viewchar = {
 "   float g_water_fog;\n"
 "   int g_light_count;\n"
 "   int g_light_preview;\n"
+"   int g_shadow_samples;\n"
 "};\n"
 "\n"
 "uniform sampler2D g_world_depth;\n"
@@ -138,6 +156,11 @@ static struct vg_shader _shader_viewchar = {
 "\n"
 "vec3 do_light_shadowing( vec3 vfrag )\n"
 "{\n"
+"   if( g_shadow_samples == 0 )\n"
+"   {\n"
+"      return vfrag;\n"
+"   }\n"
+"\n"
 "   float fspread = g_light_colours[0].w;\n"
 "   vec3  vdir = g_light_directions[0].xyz;\n"
 "   float flength = g_light_directions[0].w;\n"
@@ -160,23 +183,43 @@ static struct vg_shader _shader_viewchar = {
 "   return mix( vfrag, vec3(0.55,0.76,1.0), min( 1.0, dist ) );\n"
 "}\n"
 "\n"
+"#line     11        0 \n"
+"#line       1        2 \n"
+"layout (location = 1) out vec2 oMotionVec;\n"
+"\n"
+"in vec3 aMotionVec0;\n"
+"in vec3 aMotionVec1;\n"
+"\n"
+"void compute_motion_vectors()\n"
+"{\n"
+"   // Write motion vectors\n"
+"   vec2 vmotion0 = aMotionVec0.xy / aMotionVec0.z;\n"
+"   vec2 vmotion1 = aMotionVec1.xy / aMotionVec1.z;\n"
+"   oMotionVec = vmotion1-vmotion0;\n"
+"}\n"
+"\n"
 "#line     12        0 \n"
 "\n"
 "void main()\n"
 "{\n"
+"   compute_motion_vectors();\n"
+"\n"
 "   vec3 vfrag = texture( uTexMain, aUv ).rgb;\n"
 "\n"
 "   // Lighting\n"
-"   //vec3 halfview = uCamera - aWorldCo;\n"
-"   //float fdist = length( halfview );\n"
-"   //halfview /= fdist;\n"
+"   vec3 halfview = uCamera - aWorldCo;\n"
+"   float fdist = length( halfview );\n"
+"   halfview /= fdist;\n"
 "\n"
-"   //vfrag = do_light_diffuse( vfrag, aNorm );\n"
-"   //vfrag = do_light_spec( vfrag, aNorm, halfview, 0.1 );\n"
-"   //vfrag = do_light_shadowing( vfrag );\n"
-"   //vfrag = apply_fog( vfrag, fdist );\n"
+"   vec3 qnorm = normalize(floor(aNorm*2.0)*0.5) + vec3(0.001,0.0,0.0);\n"
 "\n"
-"   FragColor = vec4(vfrag,1.0);\n"
+"   vfrag = mix( vfrag, do_light_diffuse( vfrag, qnorm ), 0.5 );\n"
+"   //vfrag = do_light_spec( vfrag, qnorm, halfview, 0.1 );\n"
+"   vfrag = do_light_shadowing( vfrag );\n"
+"   vfrag = apply_fog( vfrag, fdist );\n"
+"\n"
+"   float opacity = clamp( fdist*fdist, 0.1, 1.0 );\n"
+"   oColour = vec4(vfrag,opacity);\n"
 "}\n"
 ""},
 };
@@ -184,15 +227,19 @@ static struct vg_shader _shader_viewchar = {
 static GLuint _uniform_viewchar_uPv;
 static GLuint _uniform_viewchar_uTransforms;
 static GLuint _uniform_viewchar_uTexMain;
+static GLuint _uniform_viewchar_uCamera;
 static GLuint _uniform_viewchar_g_world_depth;
 static void shader_viewchar_uPv(m4x4f m){
-   glUniformMatrix4fv( _uniform_viewchar_uPv, 1, GL_FALSE, (float *)m );
+   glUniformMatrix4fv(_uniform_viewchar_uPv,1,GL_FALSE,(float*)m);
 }
 static void shader_viewchar_uTexMain(int i){
-   glUniform1i( _uniform_viewchar_uTexMain, i );
+   glUniform1i(_uniform_viewchar_uTexMain,i);
+}
+static void shader_viewchar_uCamera(v3f v){
+   glUniform3fv(_uniform_viewchar_uCamera,1,v);
 }
 static void shader_viewchar_g_world_depth(int i){
-   glUniform1i( _uniform_viewchar_g_world_depth, i );
+   glUniform1i(_uniform_viewchar_g_world_depth,i);
 }
 static void shader_viewchar_register(void){
    vg_shader_register( &_shader_viewchar );
@@ -202,6 +249,7 @@ static void shader_viewchar_link(void){
    _uniform_viewchar_uPv = glGetUniformLocation( _shader_viewchar.id, "uPv" );
    _uniform_viewchar_uTransforms = glGetUniformLocation( _shader_viewchar.id, "uTransforms" );
    _uniform_viewchar_uTexMain = glGetUniformLocation( _shader_viewchar.id, "uTexMain" );
+   _uniform_viewchar_uCamera = glGetUniformLocation( _shader_viewchar.id, "uCamera" );
    _uniform_viewchar_g_world_depth = glGetUniformLocation( _shader_viewchar.id, "g_world_depth" );
 }
 #endif /* SHADER_viewchar_H */