thirdparty/scummvm
2
0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

GRAPHICS: Add a method to unbind the active shader

Browse source
This commit is contained in:
Bastien Bouclet 2016-01-16 08:02:13 +01:00
parent 088055e1f4
commit d1a27666d9
2 changed files with 12 additions and 3 deletions
Download patch file Download diff file Expand all files Collapse all files

11
graphics/opengles2/shader.cpp
View file

@ -124,6 +124,8 @@ struct SharedPtrProgramDeleter {
}
};
Shader* Shader::_previousShader = nullptr;
Shader::Shader(const Common::String &name, GLuint vertexShader, GLuint fragmentShader, const char **attributes)
: _name(name) {
assert(attributes);
@ -163,9 +165,8 @@ Shader *Shader::fromFiles(const char *vertex, const char *fragment, const char *
}
void Shader::use(bool forceReload) {
static Shader *previousShader = nullptr;
static uint32 previousNumAttributes = 0;
if (this == previousShader && !forceReload)
if (this == _previousShader && !forceReload)
return;
// The previous shader might have had more attributes. Disable any extra ones.
@ -175,7 +176,7 @@ void Shader::use(bool forceReload) {
}
}
previousShader = this;
_previousShader = this;
previousNumAttributes = _attributes.size();
glUseProgram(*_shaderNo);
@ -246,6 +247,10 @@ void Shader::disableVertexAttribute(const char *attrib, int size, const float *d
va._const[i] = data[i];
}
void Shader::unbind() {
glUseProgram(0);
_previousShader = nullptr;
}
}
#endif