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- Fix mouse position being wrong when vid_scalemode is active

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This commit is contained in:
Magnus Norddahl 2017-07-29 19:26:53 +02:00
commit 7d21fe6d75
4 changed files with 59 additions and 17 deletions
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55
src/gl/system/gl_swframebuffer.cpp
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@ -714,6 +714,29 @@ void OpenGLSWFrameBuffer::DrawTriangleList(int minIndex, int numVertices, int st
glDrawRangeElements(GL_TRIANGLES, minIndex, minIndex + numVertices - 1, primitiveCount * 3, GL_UNSIGNED_SHORT, (const void*)(startIndex * sizeof(uint16_t)));
}
void OpenGLSWFrameBuffer::GetLetterboxFrame(int &letterboxX, int &letterboxY, int &letterboxWidth, int &letterboxHeight)
{
int clientWidth = GetClientWidth();
int clientHeight = GetClientHeight();
float scaleX, scaleY;
if (ViewportIsScaled43())
{
scaleX = MIN(clientWidth / (float)Width, clientHeight / (Height * 1.2f));
scaleY = scaleX * 1.2f;
}
else
{
scaleX = MIN(clientWidth / (float)Width, clientHeight / (float)Height);
scaleY = scaleX;
}
letterboxWidth = (int)round(Width * scaleX);
letterboxHeight = (int)round(Height * scaleY);
letterboxX = (clientWidth - letterboxWidth) / 2;
letterboxY = (clientHeight - letterboxHeight) / 2;
}
void OpenGLSWFrameBuffer::Present()
{
int clientWidth = GetClientWidth();
@ -723,23 +746,8 @@ void OpenGLSWFrameBuffer::Present()
glBindFramebuffer(GL_FRAMEBUFFER, 0);
glViewport(0, 0, clientWidth, clientHeight);
float scaleX, scaleY;
if (ViewportIsScaled43())
{
scaleX = MIN(clientWidth / (float)Width, clientHeight / (Height * 1.2f));
scaleY = scaleX * 1.2f;
}
else
{
scaleX = MIN(clientWidth / (float)Width, clientHeight / (float)Height);
scaleY = scaleX;
}
int letterboxWidth = (int)round(Width * scaleX);
int letterboxHeight = (int)round(Height * scaleY);
int letterboxX = (clientWidth - letterboxWidth) / 2;
int letterboxY = (clientHeight - letterboxHeight) / 2;
int letterboxX, letterboxY, letterboxWidth, letterboxHeight;
GetLetterboxFrame(letterboxX, letterboxY, letterboxWidth, letterboxHeight);
DrawLetterbox(letterboxX, letterboxY, letterboxWidth, letterboxHeight);
glViewport(letterboxX, letterboxY, letterboxWidth, letterboxHeight);
@ -3830,3 +3838,16 @@ void OpenGLSWFrameBuffer::SetPaletteTexture(HWTexture *texture, int count, uint3
SetConstant(PSCONST_PaletteMod, 255 * fcount, 0.5f * fcount, 0, 0);
SetTexture(1, texture);
}
void OpenGLSWFrameBuffer::ScaleCoordsFromWindow(int16_t &x, int16_t &y)
{
int letterboxX, letterboxY, letterboxWidth, letterboxHeight;
GetLetterboxFrame(letterboxX, letterboxY, letterboxWidth, letterboxHeight);
// Subtract the LB video mode letterboxing
if (IsFullscreen())
y -= (GetTrueHeight() - VideoHeight) / 2;
x = int16_t((x - letterboxX) * Width / letterboxWidth);
y = int16_t((y - letterboxY) * Height / letterboxHeight);
}