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Graphics Card Memory check before allocating FBO

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Improved warning when allocating FrameBuffer. Avoid allocating FrameBuffer when buffering delay in Clone Source if we risk to consume all RAM in graphics card.
This commit is contained in:
Bruno Herbelin
2022-04-16 12:42:18 +02:00
parent c043026764
commit 48b1bfaebd
4 changed files with 153 additions and 114 deletions
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8
FrameBuffer.h
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@@ -44,8 +44,9 @@ public:
static float resolution_height[5];
static glm::vec3 getResolutionFromParameters(int ar, int h);
static glm::ivec2 getParametersFromResolution(glm::vec3 res);
// unbind any framebuffer object
static void release();
// memory management
static glm::ivec2 getGPUMemoryInformation();
static bool shouldHaveEnoughMemory(glm::vec3 resolution, bool useAlpha = false, bool multiSampling = false);
FrameBuffer(glm::vec3 resolution, bool useAlpha = false, bool multiSampling = false);
FrameBuffer(uint width, uint height, bool useAlpha = false, bool multiSampling = false);
@@ -56,6 +57,8 @@ public:
void begin(bool clear = true);
// pop attrib and unbind to end draw
void end();
// unbind (any) framebuffer object
static void release();
// blit copy to another, returns true on success
bool blit(FrameBuffer *destination);
// bind the FrameBuffer in READ and perform glReadPixels
@@ -101,7 +104,6 @@ private:
uint textureid_, intermediate_textureid_;
uint framebufferid_, intermediate_framebufferid_;
bool use_alpha_, use_multi_sampling_;
};