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authorAndrei Karas <akaras@inbox.ru>2014-06-08 15:40:35 +0300
committerAndrei Karas <akaras@inbox.ru>2014-06-08 15:40:35 +0300
commit548c2b03f8184497a5306f4b4412e3120eaef211 (patch)
treea3813d15d21c320be53650e1e195b68842f12197 /src/render/shaders/shadersmanager.cpp
parent0f500fab826a57f8aae8a3e2062a90ee9e80a199 (diff)
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Add shaderprogram class.
Diffstat (limited to 'src/render/shaders/shadersmanager.cpp')
-rw-r--r--src/render/shaders/shadersmanager.cpp51
1 files changed, 51 insertions, 0 deletions
diff --git a/src/render/shaders/shadersmanager.cpp b/src/render/shaders/shadersmanager.cpp
index 85c5bf64e..e457ba473 100644
--- a/src/render/shaders/shadersmanager.cpp
+++ b/src/render/shaders/shadersmanager.cpp
@@ -28,6 +28,9 @@
#include "render/mgl.h"
#include "render/shaders/shader.h"
+#include "render/shaders/shaderprogram.h"
+
+#include "resources/resourcemanager.h"
#include "utils/files.h"
@@ -59,4 +62,52 @@ Shader *ShadersManager::createShader(const unsigned int type,
return nullptr;
}
+ShaderProgram *ShadersManager::createProgram(const std::string &vertex,
+ const std::string &fragment)
+{
+ ResourceManager *const resman = ResourceManager::getInstance();
+ Shader *const vertexShader = static_cast<Shader*>(
+ resman->getShader(GL_VERTEX_SHADER, vertex));
+ if (!vertexShader)
+ return nullptr;
+
+ Shader *const fragmentShader = static_cast<Shader*>(
+ resman->getShader(GL_FRAGMENT_SHADER, fragment));
+
+ if (!fragmentShader)
+ {
+ vertexShader->decRef();
+ return nullptr;
+ }
+
+ GLuint programId = mglCreateProgram();
+ if (!programId)
+ {
+ vertexShader->decRef();
+ fragmentShader->decRef();
+ return nullptr;
+ }
+
+ mglAttachShader(programId, vertexShader->getShaderId());
+ mglAttachShader(programId, fragmentShader->getShaderId());
+ mglLinkProgram(programId);
+ GLint isLinked = 0;
+ mglGetProgramiv(programId, GL_LINK_STATUS, &isLinked);
+ if (isLinked == GL_TRUE)
+ return new ShaderProgram(programId, vertexShader, fragmentShader);
+
+ GLint len = 0;
+ mglGetProgramiv(programId, GL_INFO_LOG_LENGTH, &len);
+ char *buf = new char[len + 1];
+ mglGetProgramInfoLog(programId, len, &len, buf);
+ buf[len] = 0;
+ logger->log("Program '%s, %s' compilation error: %s",
+ vertexShader->getIdPath().c_str(),
+ fragmentShader->getIdPath().c_str(),
+ buf);
+ delete [] buf;
+ mglDeleteProgram(programId);
+ return nullptr;
+}
+
#endif