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authorAndrei Karas <akaras@inbox.ru>2014-06-08 13:57:15 +0300
committerAndrei Karas <akaras@inbox.ru>2014-06-08 14:42:50 +0300
commit0f500fab826a57f8aae8a3e2062a90ee9e80a199 (patch)
tree7b64795fb51efd026adf246eb1306c9da05c2892 /src/render
parente05655679e7bd9488c31169ece3d404fd9160c8d (diff)
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Add ShaderManager and Shader class.
Diffstat (limited to 'src/render')
-rw-r--r--src/render/mgltypes.h2
-rw-r--r--src/render/shaders/shader.cpp39
-rw-r--r--src/render/shaders/shader.h42
-rw-r--r--src/render/shaders/shadersmanager.cpp62
-rw-r--r--src/render/shaders/shadersmanager.h42
5 files changed, 186 insertions, 1 deletions
diff --git a/src/render/mgltypes.h b/src/render/mgltypes.h
index 65fd8a978..497fa6afa 100644
--- a/src/render/mgltypes.h
+++ b/src/render/mgltypes.h
@@ -83,7 +83,7 @@ typedef void (APIENTRY *glDeleteBuffers_t) (GLsizei n, GLuint *buffers);
typedef void (APIENTRY *glBindBuffer_t) (GLenum target, GLuint buffer);
typedef void (APIENTRY *glBufferData_t) (GLenum target, GLsizeiptr size,
const GLvoid *data, GLenum usage);
-typedef void (APIENTRY *glCreateShader_t) (GLenum shaderType);
+typedef GLuint (APIENTRY *glCreateShader_t) (GLenum shaderType);
typedef void (APIENTRY *glDeleteShader_t) (GLenum shader);
typedef void (APIENTRY *glGetShaderiv_t) (GLuint shader,
GLenum pname, GLint *params);
diff --git a/src/render/shaders/shader.cpp b/src/render/shaders/shader.cpp
new file mode 100644
index 000000000..9a0d317a5
--- /dev/null
+++ b/src/render/shaders/shader.cpp
@@ -0,0 +1,39 @@
+/*
+ * The ManaPlus Client
+ * Copyright (C) 2014 The ManaPlus Developers
+ *
+ * This file is part of The ManaPlus Client.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifdef USE_OPENGL
+
+#include "render/shaders/shader.h"
+
+#include "render/mgl.h"
+
+Shader::Shader(const unsigned int id) :
+ Resource(),
+ mShaderId(id)
+{
+}
+
+Shader::~Shader()
+{
+ if (mShaderId)
+ mglDeleteShader(mShaderId);
+}
+
+#endif // USE_OPENGL
diff --git a/src/render/shaders/shader.h b/src/render/shaders/shader.h
new file mode 100644
index 000000000..6ee964704
--- /dev/null
+++ b/src/render/shaders/shader.h
@@ -0,0 +1,42 @@
+/*
+ * The ManaPlus Client
+ * Copyright (C) 2014 The ManaPlus Developers
+ *
+ * This file is part of The ManaPlus Client.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef RENDER_SHADER_H
+#define RENDER_SHADER_H
+
+#ifdef USE_OPENGL
+
+#include "resources/resource.h"
+
+class Shader final : public Resource
+{
+ public:
+ Shader(const unsigned int id);
+
+ ~Shader();
+
+ A_DELETE_COPY(Shader)
+
+ protected:
+ unsigned int mShaderId;
+};
+
+#endif // USE_OPENGL
+#endif // RENDER_SHADER_H
diff --git a/src/render/shaders/shadersmanager.cpp b/src/render/shaders/shadersmanager.cpp
new file mode 100644
index 000000000..85c5bf64e
--- /dev/null
+++ b/src/render/shaders/shadersmanager.cpp
@@ -0,0 +1,62 @@
+/*
+ * The ManaPlus Client
+ * Copyright (C) 2014 The ManaPlus Developers
+ *
+ * This file is part of The ManaPlus Client.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "render/shaders/shadersmanager.h"
+
+#ifdef USE_OPENGL
+
+#include "logger.h"
+#include "settings.h"
+
+#include "render/mgl.h"
+
+#include "render/shaders/shader.h"
+
+#include "utils/files.h"
+
+#include "debug.h"
+
+ShadersManager shaders;
+
+Shader *ShadersManager::createShader(const unsigned int type,
+ const std::string &fileName)
+{
+ const std::string str = Files::loadTextFileString(fileName);
+ const char *ptrStr = str.c_str();
+ GLuint shaderId = mglCreateShader(type);
+ mglShaderSource(shaderId, 1, &ptrStr, nullptr);
+ mglCompileShader(shaderId);
+
+ GLint isCompiled = 0;
+ mglGetShaderiv(shaderId, GL_COMPILE_STATUS, &isCompiled);
+ if (isCompiled == GL_TRUE)
+ return new Shader(shaderId);
+ GLint len = 0;
+ mglGetShaderiv(shaderId, GL_INFO_LOG_LENGTH, &len);
+ char *buf = new char[len + 1];
+ mglGetShaderInfoLog(shaderId, len, &len, buf);
+ buf[len] = 0;
+ logger->log("Shader '%s' compilation error: %s", fileName.c_str(), buf);
+ delete [] buf;
+ mglDeleteShader(shaderId);
+ return nullptr;
+}
+
+#endif
diff --git a/src/render/shaders/shadersmanager.h b/src/render/shaders/shadersmanager.h
new file mode 100644
index 000000000..0ad8556c8
--- /dev/null
+++ b/src/render/shaders/shadersmanager.h
@@ -0,0 +1,42 @@
+/*
+ * The ManaPlus Client
+ * Copyright (C) 2014 The ManaPlus Developers
+ *
+ * This file is part of The ManaPlus Client.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef RENDER_SHADERSMANAGER_H
+#define RENDER_SHADERSMANAGER_H
+
+#ifdef USE_OPENGL
+
+#include <string>
+
+#include "localconsts.h"
+
+struct Shader;
+
+class ShadersManager final
+{
+ public:
+ Shader *createShader(const unsigned int type,
+ const std::string &fileName) A_WARN_UNUSED;
+};
+
+extern ShadersManager shaders;
+
+#endif // USE_OPENGL
+#endif // RENDER_SHADERSMANAGER_H