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engines/wintermute/base/gfx/tinygl/base_surface_tinygl.h

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+/* 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 WINTERMUTE_BASE_SURFACE_TINYGL_H
+#define WINTERMUTE_BASE_SURFACE_TINYGL_H
+
+#include "engines/wintermute/base/gfx/base_surface.h"
+
+#if defined(USE_TINYGL)
+
+#include "graphics/tinygl/tinygl.h"
+
+namespace Wintermute {
+
+class BaseGame;
+class BaseRenderer3D;
+
+class BaseSurfaceTinyGL : public BaseSurface {
+public:
+	BaseSurfaceTinyGL(BaseGame *game, BaseRenderer3D *renderer);
+	~BaseSurfaceTinyGL();
+
+	bool invalidate() override;
+	bool prepareToDraw() override;
+
+	bool displayTransRotate(int x, int y, float rotate, int32 hotspotX, int32 hotspotY, Common::Rect32 rect, float zoomX, float zoomY, uint32 alpha = 0xFFFFFFFF, Graphics::TSpriteBlendMode blendMode = Graphics::BLEND_NORMAL, bool mirrorX = false, bool mirrorY = false) override;
+	bool displayTransZoom(int x, int y, Common::Rect32 rect, float zoomX, float zoomY, uint32 alpha = 0xFFFFFFFF, Graphics::TSpriteBlendMode blendMode = Graphics::BLEND_NORMAL, bool mirrorX = false, bool mirrorY = false) override;
+	bool displayTrans(int x, int y, Common::Rect32 rect, uint32 alpha = 0xFFFFFFFF, Graphics::TSpriteBlendMode blendMode = Graphics::BLEND_NORMAL, bool mirrorX = false, bool mirrorY = false, int offsetX = 0, int offsetY = 0) override;
+	bool display(int x, int y, Common::Rect32 rect, Graphics::TSpriteBlendMode blendMode = Graphics::BLEND_NORMAL, bool mirrorX = false, bool mirrorY = false) override;
+	bool displayTiled(int x, int y, Common::Rect32 rect, int numTimesX, int numTimesY) override;
+	bool create(const char *filename, bool texture2D, bool defaultCK, byte ckRed, byte ckGreen, byte ckBlue, int lifeTime = -1, bool keepLoaded = false) override;
+	bool create(int width, int height) override;
+	bool setAlphaImage(const char *filename) override;
+	bool putSurface(const Graphics::Surface &surface, bool hasAlpha = false) override;
+	bool putPixel(int x, int y, byte r, byte g, byte b, byte a) override;
+	bool getPixel(int x, int y, byte *r, byte *g, byte *b, byte *a = nullptr) const override;
+	bool startPixelOp() override;
+	bool endPixelOp() override;
+	bool isTransparentAtLite(int x, int y) const override;
+
+	void setTexture();
+
+	int getWidth() override {
+		return _width;
+	}
+
+	int getHeight() override {
+		return _height;
+	}
+
+	uint getGLTextureWidth() const {
+		return _texWidth;
+	}
+
+	uint getGLTextureHeight() const {
+		return _texHeight;
+	}
+
+	TinyGL::BlitImage *getBlitImage() {
+		return _blitImage;
+	}
+
+private:
+	TGLuint _tex;
+	BaseRenderer3D *_renderer;
+	Graphics::Surface *_imageData;
+	Graphics::Surface *_maskData;
+	uint _texWidth{};
+	uint _texHeight{};
+	bool _pixelOpReady;
+	bool _surfaceModified;
+	TinyGL::BlitImage *_blitImage;
+	bool _texture2D;
+
+	bool loadImage();
+	void writeAlpha(Graphics::Surface *surface, const Graphics::Surface *mask);
+};
+
+} // End of namespace Wintermute
+
+#endif // defined(USE_TINYGL)
+
+#endif