46 lines
1.3 KiB
C++
46 lines
1.3 KiB
C++
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#ifndef DISPLAY_GLCONTEXT_H
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#define DISPLAY_GLCONTEXT_H
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#include <Spectre/Math/Vector2.h>
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class PlatformDisplay;
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// Platform independant interface for OpenGL Contexts.
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class GLContext
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{
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public :
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static GLContext* create();
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virtual ~GLContext();
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// Create a GLContext for this perticular display.
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virtual bool create(const PlatformDisplay* display) = 0;
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virtual void destroy() = 0;
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// Activate this context.
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virtual bool activate() = 0;
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// Deactivate this context.
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virtual bool deactivate() = 0;
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// Returns true if this context is the active one. false otherwise.
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// There can only be one GL context active per thread.
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virtual bool isActive() const = 0;
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// Set the interval for when the front and back framebuffers should be swapped.
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// The interval is the number of v-blanks that the gpu must wait before swapping buffers.
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// 0 means that the gpu never waits, 1 means after exactly 1 v-blank and so on.
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// This is usually refered to as enabling/disabling vertical synchronization.
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virtual bool setSwapInterval(int interval) = 0;
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// Set the size of the pixel buffer.
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virtual void setSize(unsigned int width, unsigned int height) = 0;
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// Swap front with back buffer and vice versa.
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virtual void swapBuffers() = 0;
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};
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#endif /* DISPLAY_GLCONTEXT_H */
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