mirror of https://github.com/buggins/dlangui.git
194 lines
4.1 KiB
GLSL
194 lines
4.1 KiB
GLSL
#ifndef DIRECTIONAL_LIGHT_COUNT
|
|
#define DIRECTIONAL_LIGHT_COUNT 0
|
|
#endif
|
|
#ifndef SPOT_LIGHT_COUNT
|
|
#define SPOT_LIGHT_COUNT 0
|
|
#endif
|
|
#ifndef POINT_LIGHT_COUNT
|
|
#define POINT_LIGHT_COUNT 0
|
|
#endif
|
|
#if (DIRECTIONAL_LIGHT_COUNT > 0) || (POINT_LIGHT_COUNT > 0) || (SPOT_LIGHT_COUNT > 0)
|
|
#define LIGHTING
|
|
#endif
|
|
|
|
///////////////////////////////////////////////////////////
|
|
// Atributes
|
|
in vec4 a_position;
|
|
|
|
#if defined(SKINNING)
|
|
in vec4 a_blendWeights;
|
|
in vec4 a_blendIndices;
|
|
#endif
|
|
|
|
in vec2 a_texCoord;
|
|
|
|
#if defined(LIGHTMAP)
|
|
in vec2 a_texCoord1;
|
|
#endif
|
|
|
|
#if defined(LIGHTING)
|
|
in vec3 a_normal;
|
|
|
|
#if defined(BUMPED)
|
|
in vec3 a_tangent;
|
|
in vec3 a_binormal;
|
|
#endif
|
|
|
|
#endif
|
|
|
|
///////////////////////////////////////////////////////////
|
|
// Uniforms
|
|
uniform mat4 u_worldViewProjectionMatrix;
|
|
#if defined(SKINNING)
|
|
uniform vec4 u_matrixPalette[SKINNING_JOINT_COUNT * 3];
|
|
#endif
|
|
|
|
#if defined(LIGHTING)
|
|
uniform mat4 u_inverseTransposeWorldViewMatrix;
|
|
|
|
#if defined(FOG) || defined(SPECULAR) || (POINT_LIGHT_COUNT > 0) || (SPOT_LIGHT_COUNT > 0)
|
|
uniform mat4 u_worldViewMatrix;
|
|
#endif
|
|
|
|
#if defined(BUMPED) && (DIRECTIONAL_LIGHT_COUNT > 0)
|
|
uniform vec3 u_directionalLightDirection[DIRECTIONAL_LIGHT_COUNT];
|
|
#endif
|
|
|
|
#if (POINT_LIGHT_COUNT > 0)
|
|
uniform vec3 u_pointLightPosition[POINT_LIGHT_COUNT];
|
|
#endif
|
|
|
|
#if (SPOT_LIGHT_COUNT > 0)
|
|
uniform vec3 u_spotLightPosition[SPOT_LIGHT_COUNT];
|
|
#if defined(BUMPED)
|
|
uniform vec3 u_spotLightDirection[SPOT_LIGHT_COUNT];
|
|
#endif
|
|
#endif
|
|
|
|
#if defined(SPECULAR)
|
|
uniform vec3 u_cameraPosition;
|
|
#endif
|
|
|
|
#else
|
|
|
|
#if defined(FOG)
|
|
uniform mat4 u_worldViewMatrix;
|
|
#endif
|
|
|
|
#endif
|
|
|
|
#if defined(TEXTURE_REPEAT)
|
|
uniform vec2 u_textureRepeat;
|
|
#endif
|
|
|
|
#if defined(TEXTURE_OFFSET)
|
|
uniform vec2 u_textureOffset;
|
|
#endif
|
|
|
|
#if defined(CLIP_PLANE)
|
|
uniform mat4 u_worldMatrix;
|
|
uniform vec4 u_clipPlane;
|
|
#endif
|
|
|
|
///////////////////////////////////////////////////////////
|
|
// Varyings
|
|
out vec2 v_texCoord;
|
|
|
|
#if defined(LIGHTMAP)
|
|
out vec2 v_texCoord1;
|
|
#endif
|
|
|
|
#if defined(LIGHTING)
|
|
|
|
#if !defined(BUMPED)
|
|
out vec3 v_normalVector;
|
|
#endif
|
|
|
|
#if defined(BUMPED) && (DIRECTIONAL_LIGHT_COUNT > 0)
|
|
out vec3 v_directionalLightDirection[DIRECTIONAL_LIGHT_COUNT];
|
|
#endif
|
|
|
|
#if (POINT_LIGHT_COUNT > 0)
|
|
out vec3 v_vertexToPointLightDirection[POINT_LIGHT_COUNT];
|
|
#endif
|
|
|
|
#if (SPOT_LIGHT_COUNT > 0)
|
|
out vec3 v_vertexToSpotLightDirection[SPOT_LIGHT_COUNT];
|
|
#if defined(BUMPED)
|
|
out vec3 v_spotLightDirection[SPOT_LIGHT_COUNT];
|
|
#endif
|
|
#endif
|
|
|
|
#if defined(SPECULAR)
|
|
out vec3 v_cameraDirection;
|
|
#endif
|
|
|
|
#include "lighting.vert"
|
|
|
|
#endif
|
|
|
|
#if defined(SKINNING)
|
|
#include "skinning.vert"
|
|
#else
|
|
#include "skinning-none.vert"
|
|
#endif
|
|
|
|
#if defined(CLIP_PLANE)
|
|
out float v_clipDistance;
|
|
#endif
|
|
|
|
#if defined(FOG)
|
|
out vec4 viewSpace;
|
|
#endif
|
|
|
|
void main()
|
|
{
|
|
vec4 position = getPosition();
|
|
#if defined(FOG)
|
|
viewSpace = u_worldViewMatrix * position;
|
|
#endif
|
|
gl_Position = u_worldViewProjectionMatrix * position;
|
|
|
|
#if defined(LIGHTING)
|
|
vec3 normal = getNormal();
|
|
// Transform the normal, tangent and binormals to view space.
|
|
mat3 inverseTransposeWorldViewMatrix = mat3(u_inverseTransposeWorldViewMatrix[0].xyz, u_inverseTransposeWorldViewMatrix[1].xyz, u_inverseTransposeWorldViewMatrix[2].xyz);
|
|
vec3 normalVector = normalize(inverseTransposeWorldViewMatrix * normal);
|
|
|
|
#if defined(BUMPED)
|
|
|
|
vec3 tangent = getTangent();
|
|
vec3 binormal = getBinormal();
|
|
vec3 tangentVector = normalize(inverseTransposeWorldViewMatrix * tangent);
|
|
vec3 binormalVector = normalize(inverseTransposeWorldViewMatrix * binormal);
|
|
mat3 tangentSpaceTransformMatrix = mat3(tangentVector.x, binormalVector.x, normalVector.x, tangentVector.y, binormalVector.y, normalVector.y, tangentVector.z, binormalVector.z, normalVector.z);
|
|
applyLight(position, tangentSpaceTransformMatrix);
|
|
|
|
#else
|
|
|
|
v_normalVector = normalVector;
|
|
applyLight(position);
|
|
|
|
#endif
|
|
|
|
#endif
|
|
|
|
v_texCoord = a_texCoord;
|
|
|
|
#if defined(TEXTURE_REPEAT)
|
|
v_texCoord *= u_textureRepeat;
|
|
#endif
|
|
|
|
#if defined(TEXTURE_OFFSET)
|
|
v_texCoord += u_textureOffset;
|
|
#endif
|
|
|
|
#if defined(LIGHTMAP)
|
|
v_texCoord1 = a_texCoord1;
|
|
#endif
|
|
|
|
#if defined(CLIP_PLANE)
|
|
v_clipDistance = dot(u_worldMatrix * position, u_clipPlane);
|
|
#endif
|
|
}
|