Initial commit

engines/playground3d/gfx_opengl_shaders.h

@@ -0,0 +1,89 @@
+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * 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 3 of the License, or
+ * (at your option) 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 PLAYGROUND3D_GFX_OPENGL_SHADERS_H
+#define PLAYGROUND3D_GFX_OPENGL_SHADERS_H
+
+#include "common/rect.h"
+
+#include "math/rect2d.h"
+
+#include "graphics/opengl/shader.h"
+#include "graphics/opengl/system_headers.h"
+
+#include "engines/playground3d/gfx.h"
+
+namespace OpenGL {
+class Texture;
+}
+
+namespace Playground3d {
+
+class ShaderRenderer : public Renderer {
+public:
+	ShaderRenderer(OSystem *_system);
+	virtual ~ShaderRenderer();
+
+	void init() override;
+	void deinit() override;
+
+	void clear(const Math::Vector4d &clearColor) override;
+	void loadTextureRGBA(Graphics::Surface *texture) override;
+	void loadTextureRGB(Graphics::Surface *texture) override;
+	void loadTextureRGB565(Graphics::Surface *texture) override;
+	void loadTextureRGBA5551(Graphics::Surface *texture) override;
+	void loadTextureRGBA4444(Graphics::Surface *texture) override;
+
+	void setupViewport(int x, int y, int width, int height) override;
+	void drawCube(const Math::Vector3d &pos, const Math::Vector3d &roll) override;
+	void drawPolyOffsetTest(const Math::Vector3d &pos, const Math::Vector3d &roll) override;
+	void dimRegionInOut(float fade) override;
+	void drawInViewport() override;
+	void drawRgbaTexture() override;
+
+	void enableFog(const Math::Vector4d &fogColor) override;
+	void disableFog() override;
+
+	void enableScissor(int x, int y, int width, int height) override;
+	void disableScissor() override;
+
+private:
+	OpenGL::Shader *_cubeShader;
+	OpenGL::Shader *_offsetShader;
+	OpenGL::Shader *_fadeShader;
+	OpenGL::Shader *_viewportShader;
+	OpenGL::Shader *_bitmapShader;
+
+	GLuint _cubeVBO;
+	GLuint _offsetVBO;
+	GLuint _fadeVBO;
+	GLuint _viewportVBO;
+	GLuint _bitmapVBO;
+	GLuint _bitmapTexVBO;
+
+	Common::Rect _currentViewport;
+	Math::Vector2d _pos;
+	OpenGL::Texture *_textures[TextureType::MAX];
+};
+
+} // End of namespace Playground3d
+
+#endif // PLAYGROUND3D_GFX_OPENGL_SHADERS_H