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[client] opengl: fix cursor location when the source is downsampled

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This commit is contained in:
Geoffrey McRae 2023-11-08 14:54:05 +11:00
parent c54a09ca25
commit dcde981a17
1 changed files with 17 additions and 7 deletions
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24
client/renderers/OpenGL/opengl.c
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@ -84,10 +84,10 @@ struct IntPoint
int y;
};
struct IntRect
struct MouseRect
{
int x;
int y;
float x;
float y;
int w;
int h;
};
@ -124,6 +124,7 @@ struct Inst
GLuint dataFormat;
size_t texSize;
size_t texPos;
float scaleX, scaleY;
const FrameBuffer * frame;
uint64_t drawStart;
@ -157,7 +158,7 @@ struct Inst
bool newShape;
LG_RendererCursor mouseType;
bool mouseVisible;
struct IntRect mousePos;
struct MouseRect mousePos;
};
static bool _checkGLError(unsigned int line, const char * name);
@ -356,12 +357,17 @@ bool opengl_onMouseEvent(LG_Renderer * renderer, const bool visible,
{
struct Inst * this = UPCAST(struct Inst, renderer);
if (this->mousePos.x == x && this->mousePos.y == y && this->mouseVisible == visible)
float fx = (float)x * this->scaleX;
float fy = (float)y * this->scaleY;
if (this->mousePos.x == fx &&
this->mousePos.y == fy &&
this->mouseVisible == visible)
return true;
this->mouseVisible = visible;
this->mousePos.x = x;
this->mousePos.y = y;
this->mousePos.x = fx;
this->mousePos.y = fy;
this->mouseUpdate = true;
return false;
}
@ -372,6 +378,10 @@ bool opengl_onFrameFormat(LG_Renderer * renderer, const LG_RendererFormat format
LG_LOCK(this->formatLock);
memcpy(&this->format, &format, sizeof(LG_RendererFormat));
this->scaleX = (float)this->format.frameWidth / this->format.screenWidth;
this->scaleY = (float)this->format.frameHeight / this->format.screenHeight;
this->reconfigure = true;
LG_UNLOCK(this->formatLock);
return true;