diff options
Diffstat (limited to 'source/blender/compositor/intern/COM_MemoryBuffer.cpp')
| -rw-r--r-- | source/blender/compositor/intern/COM_MemoryBuffer.cpp | 51 |
1 files changed, 33 insertions, 18 deletions
diff --git a/source/blender/compositor/intern/COM_MemoryBuffer.cpp b/source/blender/compositor/intern/COM_MemoryBuffer.cpp index bfa20656277..19c2c96a8f2 100644 --- a/source/blender/compositor/intern/COM_MemoryBuffer.cpp +++ b/source/blender/compositor/intern/COM_MemoryBuffer.cpp @@ -25,18 +25,22 @@ #include "BLI_math.h" #include "BKE_global.h" -unsigned int MemoryBuffer::determineBufferSize() { +unsigned int MemoryBuffer::determineBufferSize() +{ return getWidth() * getHeight(); } -int MemoryBuffer::getWidth() const { +int MemoryBuffer::getWidth() const +{ return this->rect.xmax-this->rect.xmin; } -int MemoryBuffer::getHeight() const { +int MemoryBuffer::getHeight() const +{ return this->rect.ymax-this->rect.ymin; } -MemoryBuffer::MemoryBuffer(MemoryProxy * memoryProxy, unsigned int chunkNumber, rcti* rect) { +MemoryBuffer::MemoryBuffer(MemoryProxy * memoryProxy, unsigned int chunkNumber, rcti *rect) +{ BLI_init_rcti(&this->rect, rect->xmin, rect->xmax, rect->ymin, rect->ymax); this->memoryProxy = memoryProxy; this->chunkNumber = chunkNumber; @@ -46,7 +50,8 @@ MemoryBuffer::MemoryBuffer(MemoryProxy * memoryProxy, unsigned int chunkNumber, this->chunkWidth = this->rect.xmax - this->rect.xmin; } -MemoryBuffer::MemoryBuffer(MemoryProxy * memoryProxy, rcti* rect) { +MemoryBuffer::MemoryBuffer(MemoryProxy * memoryProxy, rcti *rect) +{ BLI_init_rcti(&this->rect, rect->xmin, rect->xmax, rect->ymin, rect->ymax); this->memoryProxy = memoryProxy; this->chunkNumber = -1; @@ -55,20 +60,23 @@ MemoryBuffer::MemoryBuffer(MemoryProxy * memoryProxy, rcti* rect) { this->datatype = COM_DT_COLOR; this->chunkWidth = this->rect.xmax - this->rect.xmin; } -MemoryBuffer* MemoryBuffer::duplicate() { +MemoryBuffer *MemoryBuffer::duplicate() +{ MemoryBuffer *result = new MemoryBuffer(this->memoryProxy, &this->rect); memcpy(result->buffer, this->buffer, this->determineBufferSize()*4*sizeof(float)); return result; } -void MemoryBuffer::clear() { +void MemoryBuffer::clear() +{ memset(this->buffer, 0, this->determineBufferSize()*4*sizeof(float)); } -float* MemoryBuffer::convertToValueBuffer() { +float *MemoryBuffer::convertToValueBuffer() +{ int size = this->determineBufferSize(); int i; int offset4; - float* result = new float[size]; + float *result = new float[size]; for (i = 0, offset4 = 0 ; i < size ; i ++, offset4 +=4) { result[i] = this->buffer[offset4]; } @@ -76,14 +84,16 @@ float* MemoryBuffer::convertToValueBuffer() { return result; } -MemoryBuffer::~MemoryBuffer() { +MemoryBuffer::~MemoryBuffer() +{ if (this->buffer) { MEM_freeN(this->buffer); this->buffer = NULL; } } -void MemoryBuffer::copyContentFrom(MemoryBuffer *otherBuffer) { +void MemoryBuffer::copyContentFrom(MemoryBuffer *otherBuffer) +{ if (!otherBuffer) { return; } @@ -103,7 +113,8 @@ void MemoryBuffer::copyContentFrom(MemoryBuffer *otherBuffer) { } } -void MemoryBuffer::read(float* result, int x, int y) { +void MemoryBuffer::read(float *result, int x, int y) +{ if (x>=this->rect.xmin && x < this->rect.xmax && y>=this->rect.ymin && y < this->rect.ymax) { int dx = x-this->rect.xmin; @@ -121,7 +132,8 @@ void MemoryBuffer::read(float* result, int x, int y) { result[3] = 0.0f; } } -void MemoryBuffer::writePixel(int x, int y, float color[4]) { +void MemoryBuffer::writePixel(int x, int y, float color[4]) +{ if (x>=this->rect.xmin && x < this->rect.xmax && y>=this->rect.ymin && y < this->rect.ymax) { int offset = (this->chunkWidth*y+x)*4; @@ -132,7 +144,8 @@ void MemoryBuffer::writePixel(int x, int y, float color[4]) { } } -void MemoryBuffer::readCubic(float* result, float x, float y) { +void MemoryBuffer::readCubic(float *result, float x, float y) +{ int x1 = floor(x); int x2 = x1 + 1; int y1 = floor(y); @@ -208,7 +221,7 @@ static float EWA_WTS[EWA_MAXIDX + 1] = 0.00754159f, 0.00625989f, 0.00498819f, 0.00372644f, 0.00247454f, 0.00123242f, 0.f }; -static void radangle2imp(float a2, float b2, float th, float* A, float* B, float* C, float* F) +static void radangle2imp(float a2, float b2, float th, float *A, float *B, float *C, float *F) { float ct2 = cosf(th); const float st2 = 1.f - ct2*ct2; // <- sin(th)^2 @@ -220,7 +233,7 @@ static void radangle2imp(float a2, float b2, float th, float* A, float* B, float } // all tests here are done to make sure possible overflows are hopefully minimized -static void imp2radangle(float A, float B, float C, float F, float* a, float* b, float* th, float* ecc) +static void imp2radangle(float A, float B, float C, float F, float *a, float *b, float *th, float *ecc) { if (F <= 1e-5f) { // use arbitrary major radius, zero minor, infinite eccentricity *a = sqrtf(A > C ? A : C); @@ -247,12 +260,14 @@ static void imp2radangle(float A, float B, float C, float F, float* a, float* b, } } -float clipuv(float x, float limit) { +float clipuv(float x, float limit) +{ x = (x < 0) ? 0 : ((x >= limit) ? (limit - 1) : x); return x; } -void MemoryBuffer::readEWA(float* result, float fx, float fy, float dx, float dy) { +void MemoryBuffer::readEWA(float *result, float fx, float fy, float dx, float dy) +{ int width = this->getWidth(), height = this->getHeight(); // scaling dxt/dyt by full resolution can cause overflow because of huge A/B/C and esp. F values, |