[Scummvm-git-logs] scummvm master -> 0eb11216fb48fb45118882e0c3d8006265996c2b

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This automated email contains information about 1 new commit which have been
pushed to the 'scummvm' repo located at https://github.com/scummvm/scummvm .

Summary:
0eb11216fb OPENGL: Add Shader::addAttribute()


Commit: 0eb11216fb48fb45118882e0c3d8006265996c2b
    https://github.com/scummvm/scummvm/commit/0eb11216fb48fb45118882e0c3d8006265996c2b
Author: Cameron Cawley (ccawley2011 at gmail.com)
Date: 2022-07-03T22:26:10+03:00

Commit Message:
OPENGL: Add Shader::addAttribute()

Changed paths:
    graphics/opengl/shader.cpp
    graphics/opengl/shader.h


diff --git a/graphics/opengl/shader.cpp b/graphics/opengl/shader.cpp
index 57bbb78fac9..78155245ff8 100644
--- a/graphics/opengl/shader.cpp
+++ b/graphics/opengl/shader.cpp
@@ -331,6 +331,22 @@ void Shader::freeBuffer(GLuint vbo) {
 	GL_CALL(glDeleteBuffers(1, &vbo));
 }
 
+bool Shader::addAttribute(const char *attrib) {
+	uint32 i;
+	for (i = 0; i < _attributes.size(); ++i)
+		if (_attributes[i]._name.equals(attrib))
+			return true;
+
+	GLint result = -1;
+	GL_ASSIGN(result, glGetAttribLocation(*_shaderNo, attrib));
+	if (result == -1)
+		return false;
+
+	GL_CALL(glBindAttribLocation(*_shaderNo, i, attrib));
+	_attributes.push_back(VertexAttrib(i, attrib));
+	return true;
+}
+
 VertexAttrib &Shader::getAttributeAt(uint32 idx) {
 	assert(idx < _attributes.size());
 	return _attributes[idx];
diff --git a/graphics/opengl/shader.h b/graphics/opengl/shader.h
index c580c95c997..b1925bd0da8 100644
--- a/graphics/opengl/shader.h
+++ b/graphics/opengl/shader.h
@@ -161,6 +161,7 @@ public:
 	void disableVertexAttribute(const char *attrib, const Math::Matrix<r,1> &m) {
 		disableVertexAttribute(attrib, r, m.getData());
 	}
+	bool addAttribute(const char *attrib);
 	VertexAttrib & getAttributeAt(uint32 idx);
 	VertexAttrib & getAttribute(const char *attrib);