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--Bug fixes

Browse Source 
-Attempt to fix several OpenCL build errors that were occurring on Mac.

--Code changes
 -Improve the coloring code during final accum by getting rid of the last remnants of unnecessary scaling to 255 from flam3.
 -Begin work of supporting 16bpc on the GPU.
This commit is contained in:
Person
2017-07-04 23:08:06 -07:00
parent 562ab9b01a
commit 2adf9f3ff9
16 changed files with 292 additions and 232 deletions
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70
Source/EmberCL/EmberCLFunctions.h
View File

@ -12,7 +12,7 @@ namespace EmberCLns
/// <summary>
/// OpenCL equivalent of Palette::RgbToHsv().
/// </summary>
static const char* RgbToHsvFunctionString =
static const char* RgbToHsvFunctionString =
//rgb 0 - 1,
//h 0 - 6, s 0 - 1, v 0 - 1
"static inline void RgbToHsv(real4_bucket* rgb, real4_bucket* hsv)\n"
@ -82,9 +82,9 @@ static const char* RgbToHsvFunctionString =
/// <summary>
/// OpenCL equivalent of Palette::HsvToRgb().
/// </summary>
static const char* HsvToRgbFunctionString =
static const char* HsvToRgbFunctionString =
//h 0 - 6, s 0 - 1, v 0 - 1
//rgb 0 - 1
//rgb 0 - 1
"static inline void HsvToRgb(real4_bucket* hsv, real4_bucket* rgb)\n"
"{\n"
" int j;\n"
@ -118,11 +118,11 @@ static const char* HsvToRgbFunctionString =
/// <summary>
/// OpenCL equivalent of Palette::CalcAlpha().
/// </summary>
static const char* CalcAlphaFunctionString =
static const char* CalcAlphaFunctionString =
"static inline real_t CalcAlpha(real_bucket_t density, real_bucket_t gamma, real_bucket_t linrange)\n"//Not the slightest clue what this is doing.//DOC
"{\n"
" real_bucket_t frac, alpha, funcval = pow(linrange, gamma);\n"
"\n"
"\n"
" if (density > 0)\n"
" {\n"
" if (density < linrange)\n"
@ -147,13 +147,13 @@ static const char* CalcAlphaFunctionString =
/// during final accumulation, which only takes floats.
/// </summary>
static const char* CurveAdjustFunctionString =
"static inline void CurveAdjust(__constant real4reals_bucket* csa, float* a, uint index)\n"
"{\n"
" uint tempIndex = (uint)clamp(*a, (float)0.0, (float)COLORMAP_LENGTH_MINUS_1);\n"
" uint tempIndex2 = (uint)clamp((float)csa[tempIndex].m_Real4.x, (float)0.0, (float)COLORMAP_LENGTH_MINUS_1);\n"
"\n"
" *a = (float)round(csa[tempIndex2].m_Reals[index]);\n"
"}\n";
"static inline void CurveAdjust(__constant real4reals_bucket* csa, float* a, uint index)\n"
"{\n"
" uint tempIndex = (uint)clamp(*a * (float)COLORMAP_LENGTH_MINUS_1, (float)0.0, (float)COLORMAP_LENGTH_MINUS_1);\n"
" uint tempIndex2 = (uint)clamp((float)csa[tempIndex].m_Real4.x * (float)COLORMAP_LENGTH_MINUS_1, (float)0.0, (float)COLORMAP_LENGTH_MINUS_1);\n"
"\n"
" *a = (float)csa[tempIndex2].m_Reals[index];\n"
"}\n";
/// <summary>
/// Use MWC 64 from David Thomas at the Imperial College of London for
@ -197,7 +197,7 @@ static const char* RandFunctionString =
/// <summary>
/// OpenCL equivalent Renderer::AddToAccum().
/// </summary>
static const char* AddToAccumWithCheckFunctionString =
static const char* AddToAccumWithCheckFunctionString =
"inline bool AccumCheck(int superRasW, int superRasH, int i, int ii, int j, int jj)\n"
"{\n"
" return (j + jj >= 0 && j + jj < superRasH && i + ii >= 0 && i + ii < superRasW);\n"
@ -207,7 +207,7 @@ static const char* AddToAccumWithCheckFunctionString =
/// <summary>
/// OpenCL equivalent various CarToRas member functions.
/// </summary>
static const char* CarToRasFunctionString =
static const char* CarToRasFunctionString =
"inline void CarToRasConvertPointToSingle(__constant CarToRasCL* carToRas, Point* point, uint* singleBufferIndex)\n"
"{\n"
" *singleBufferIndex = (uint)(carToRas->m_PixPerImageUnitW * point->m_X - carToRas->m_RasLlX) + (carToRas->m_RasWidth * (uint)(carToRas->m_PixPerImageUnitH * point->m_Y - carToRas->m_RasLlY));\n"
@ -225,29 +225,27 @@ static const char* CarToRasFunctionString =
static string AtomicString()
{
ostringstream os;
os <<
"void AtomicAdd(volatile __global real_bucket_t* source, const real_bucket_t operand)\n"
"{\n"
" union\n"
" {\n"
" atomi intVal;\n"
" real_bucket_t realVal;\n"
" } newVal;\n"
"\n"
" union\n"
" {\n"
" atomi intVal;\n"
" real_bucket_t realVal;\n"
" } prevVal;\n"
"\n"
" do\n"
" {\n"
" prevVal.realVal = *source;\n"
" newVal.realVal = prevVal.realVal + operand;\n"
" } while (atomic_cmpxchg((volatile __global atomi*)source, prevVal.intVal, newVal.intVal) != prevVal.intVal);\n"
"}\n";
"void AtomicAdd(volatile __global real_bucket_t* source, const real_bucket_t operand)\n"
"{\n"
" union\n"
" {\n"
" atomi intVal;\n"
" real_bucket_t realVal;\n"
" } newVal;\n"
"\n"
" union\n"
" {\n"
" atomi intVal;\n"
" real_bucket_t realVal;\n"
" } prevVal;\n"
"\n"
" do\n"
" {\n"
" prevVal.realVal = *source;\n"
" newVal.realVal = prevVal.realVal + operand;\n"
" } while (atomic_cmpxchg((volatile __global atomi*)source, prevVal.intVal, newVal.intVal) != prevVal.intVal);\n"
"}\n";
return os.str();
}
}