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Factorize EncodeNormal from Pass1 shaders.

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This commit is contained in:
Vincent Lejeune 2014-03-21 18:10:54 +01:00
parent f0e96bb7f2
commit 77e5f413c7
5 changed files with 13 additions and 18 deletions
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7
data/shaders/normalmap.frag
View File

@ -13,11 +13,8 @@ varying vec2 uv;
#endif
// from Crytek "a bit more deferred CryEngine"
vec2 EncodeNormal(vec3 n)
{
return normalize(n.xy) * sqrt(n.z * 0.5 + 0.5);
}
vec2 EncodeNormal(vec3 n);
void main()
{

8
data/shaders/object_pass1.frag
View File

@ -6,13 +6,7 @@ varying vec3 nor;
#define EncodedNormal gl_FragColor.xy
#endif
// from Crytek "a bit more deferred CryEngine"
vec2 EncodeNormal(vec3 n)
{
return normalize(n.xy) * sqrt(n.z * 0.5 + 0.5);
}
vec2 EncodeNormal(vec3 n);
void main(void)
{

7
data/shaders/objectref_pass1.frag
View File

@ -10,12 +10,7 @@ varying vec2 uv;
#define EncodedNormal gl_FragColor.xy
#endif
// from Crytek "a bit more deferred CryEngine"
vec2 EncodeNormal(vec3 n)
{
return normalize(n.xy) * sqrt(n.z * 0.5 + 0.5);
}
vec2 EncodeNormal(vec3 n);
void main() {
vec4 col = texture(tex, uv);

5
data/shaders/utils/encode_normal.frag Normal file
View File

@ -0,0 +1,5 @@
// from Crytek "a bit more deferred CryEngine"
vec2 EncodeNormal(vec3 n)
{
return normalize(n.xy) * sqrt(n.z * 0.5 + 0.5);
}

4
src/graphics/shaders.cpp
View File

@ -326,6 +326,7 @@ namespace MeshShader
{
Program = LoadProgram(
GL_VERTEX_SHADER, file_manager->getAsset("shaders/object_pass1.vert").c_str(),
GL_FRAGMENT_SHADER, file_manager->getAsset("shaders/utils/encode_normal.frag").c_str(),
GL_FRAGMENT_SHADER, file_manager->getAsset("shaders/object_pass1.frag").c_str());
attrib_position = glGetAttribLocation(Program, "Position");
attrib_normal = glGetAttribLocation(Program, "Normal");
@ -352,6 +353,7 @@ namespace MeshShader
{
Program = LoadProgram(
GL_VERTEX_SHADER, file_manager->getAsset("shaders/objectref_pass1.vert").c_str(),
GL_FRAGMENT_SHADER, file_manager->getAsset("shaders/utils/encode_normal.frag").c_str(),
GL_FRAGMENT_SHADER, file_manager->getAsset("shaders/objectref_pass1.frag").c_str());
attrib_position = glGetAttribLocation(Program, "Position");
attrib_normal = glGetAttribLocation(Program, "Normal");
@ -384,6 +386,7 @@ namespace MeshShader
{
Program = LoadProgram(
GL_VERTEX_SHADER, file_manager->getAsset("shaders/grass_pass1.vert").c_str(),
GL_FRAGMENT_SHADER, file_manager->getAsset("shaders/utils/encode_normal.frag").c_str(),
GL_FRAGMENT_SHADER, file_manager->getAsset("shaders/objectref_pass1.frag").c_str());
attrib_position = glGetAttribLocation(Program, "Position");
attrib_texcoord = glGetAttribLocation(Program, "Texcoord");
@ -416,6 +419,7 @@ namespace MeshShader
{
Program = LoadProgram(
GL_VERTEX_SHADER, file_manager->getAsset("shaders/normalmap.vert").c_str(),
GL_FRAGMENT_SHADER, file_manager->getAsset("shaders/utils/encode_normal.frag").c_str(),
GL_FRAGMENT_SHADER, file_manager->getAsset("shaders/normalmap.frag").c_str());
attrib_position = glGetAttribLocation(Program, "Position");
attrib_texcoord = glGetAttribLocation(Program, "Texcoord");