stuff

modules/wallpaper-engine/shaders/genericparticle.geom

@@ -0,0 +1,92 @@
+
+#include "common_particles.h"
+
+in vec3 v_Rotation;
+in vec4 v_Color;
+in vec4 gl_Position;
+
+#if THICKFORMAT
+in vec4 v_VelocityLifetime;
+#endif
+
+#if SPRITESHEET
+out vec4 v_TexCoord;
+out float v_TexCoordBlend;
+#else
+out vec2 v_TexCoord;
+#endif
+
+#if REFRACT
+out vec3 v_ScreenCoord;
+out vec4 v_ScreenTangents;
+#endif
+
+out vec4 v_Color;
+out vec4 gl_Position;
+
+#if FOG_DIST || FOG_HEIGHT
+uniform mat4 g_ModelMatrix;
+out vec4 v_ViewDir;
+#endif
+
+#if SPRITESHEET
+PS_INPUT CreateParticleVertex(vec2 sprite, float blend, mat3 mRotation, vec4 uvs, float textureRatio, in VS_OUTPUT IN, vec3 right, vec3 up)
+#else
+PS_INPUT CreateParticleVertex(vec2 sprite, float blend, mat3 mRotation, vec2 uvs, float textureRatio, in VS_OUTPUT IN, vec3 right, vec3 up)
+#endif
+{
+	PS_INPUT v;
+
+	vec3 position = ComputeParticlePosition(sprite, textureRatio, IN.gl_Position, right, up);
+
+	v.gl_Position = mul(vec4(position, 1.0), g_ModelViewProjectionMatrix);
+	v.v_TexCoord = uvs;
+	v.v_Color = IN.v_Color;
+
+#if SPRITESHEET
+	v.v_TexCoordBlend = blend;
+#endif
+
+#if REFRACT
+	ComputeScreenRefractionTangents(v.gl_Position.xyw, mRotation, v.v_ScreenCoord, v.v_ScreenTangents);
+#endif
+
+#if FOG_DIST || FOG_HEIGHT
+	vec3 worldPos = mul(vec4(position, 1.0), g_ModelMatrix).xyz;
+	v.v_ViewDir.xyz = g_EyePosition - worldPos.xyz;
+	v.v_ViewDir.w = worldPos.y;
+#endif
+
+	return v;
+}
+
+[maxvertexcount(4)]
+void main() {
+
+	vec3 uvOffsets = vec3(1, 1, 0);
+	float spriteBlend = 0.0;
+
+#if SPRITESHEET
+	float textureRatio = g_RenderVar1.w;
+	vec4 uvs;
+	ComputeSpriteFrame(IN[0].v_VelocityLifetime.w, uvs, uvOffsets.xy, spriteBlend);
+#else
+	vec2 uvs = vec2(0, 0);
+	float textureRatio = g_Texture0Resolution.y / g_Texture0Resolution.x;
+#endif
+
+	// Compute tangent vectors
+	vec3 right, up;
+	mat3 mRotation;
+#if TRAILRENDERER
+	mRotation = CAST3X3(1.0);
+	ComputeParticleTrailTangents(IN[0].gl_Position, IN[0].v_VelocityLifetime.xyz, right, up);
+#else
+	ComputeParticleTangents(IN[0].v_Rotation, mRotation, right, up);
+#endif
+
+	OUT.Append(CreateParticleVertex(vec2(0, 0), spriteBlend, mRotation, uvs,                  textureRatio, IN[0], right, up));
+	OUT.Append(CreateParticleVertex(vec2(0, 1), spriteBlend, mRotation, uvs + uvOffsets.zyzy, textureRatio, IN[0], right, up));
+	OUT.Append(CreateParticleVertex(vec2(1, 0), spriteBlend, mRotation, uvs + uvOffsets.xzxz, textureRatio, IN[0], right, up));
+	OUT.Append(CreateParticleVertex(vec2(1, 1), spriteBlend, mRotation, uvs + uvOffsets.xyxy, textureRatio, IN[0], right, up));
+}