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sw_engine: Replace non-portable min/max with tvgMath.h macros

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This would fail building with Visual Studio 2017, at least downstream in Godot
where we undefine old Windows compilers' non-standard `min`/`max` macros (see
`minmax.h`/`NOMINMAX`).
This commit is contained in:
Rémi Verschelde 2022-01-19 10:59:34 +01:00 • committed by Hermet Park
parent 922e3e10c0
commit 4d58dae59f
3 changed files with 11 additions and 5 deletions
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1
AUTHORS
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@ -14,3 +14,4 @@ Patryk Kaczmarek <patryk.k@partner.samsung.com>
Michal Maciola <m.maciola@samsung.com>
Peter Vullings <peter@projectitis.com>
K. S. Ernest (iFire) Lee <ernest.lee@chibifire.com>
Rémi Verschelde <rverschelde@gmail.com>

9
src/lib/sw_engine/tvgSwRenderer.cpp
View file

@ -23,6 +23,7 @@
#include "tvgSwCommon.h"
#include "tvgTaskScheduler.h"
#include "tvgSwRenderer.h"
#include "tvgMath.h"
/************************************************************************/
/* Internal Class Implementation */
@ -594,10 +595,10 @@ void* SwRenderer::prepareCommon(SwTask* task, const RenderTransform* transform,
task->surface = surface;
task->mpool = mpool;
task->flags = flags;
task->bbox.min.x = max(static_cast<SwCoord>(0), static_cast<SwCoord>(vport.x));
task->bbox.min.y = max(static_cast<SwCoord>(0), static_cast<SwCoord>(vport.y));
task->bbox.max.x = min(static_cast<SwCoord>(surface->w), static_cast<SwCoord>(vport.x + vport.w));
task->bbox.max.y = min(static_cast<SwCoord>(surface->h), static_cast<SwCoord>(vport.y + vport.h));
task->bbox.min.x = mathMax(static_cast<SwCoord>(0), static_cast<SwCoord>(vport.x));
task->bbox.min.y = mathMax(static_cast<SwCoord>(0), static_cast<SwCoord>(vport.y));
task->bbox.max.x = mathMin(static_cast<SwCoord>(surface->w), static_cast<SwCoord>(vport.x + vport.w));
task->bbox.max.y = mathMin(static_cast<SwCoord>(surface->h), static_cast<SwCoord>(vport.y + vport.h));
if (!task->pushed) {
task->pushed = true;

6
src/lib/tvgMath.h
View file

@ -29,6 +29,10 @@
#include "tvgCommon.h"
#define mathMin(x, y) (((x) < (y)) ? (x) : (y))
#define mathMax(x, y) (((x) > (y)) ? (x) : (y))
static inline bool mathZero(float a)
{
return (fabsf(a) < FLT_EPSILON) ? true : false;
@ -154,4 +158,4 @@ static inline Matrix mathMultiply(const Matrix* lhs, const Matrix* rhs)
}
#endif //_TVG_MATH_H_
#endif //_TVG_MATH_H_