Differential D12164 Diff 40447 source/blender/compositor/intern/COM_MemoryBuffer.cc

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source/blender/compositor/intern/COM_MemoryBuffer.cc

Show First 20 Lines • Show All 399 Lines • ▼ Show 20 Lines	if (x >= this->m_rect.xmin && x < this->m_rect.xmax && y >= this->m_rect.ymin &&
float *dst = &this->m_buffer[offset];		float *dst = &this->m_buffer[offset];
const float *src = color;		const float *src = color;
for (int i = 0; i < this->m_num_channels; i++, dst++, src++) {		for (int i = 0; i < this->m_num_channels; i++, dst++, src++) {
dst += src;		dst += src;
}		}
}		}
}		}

		static void read_ewa_elem(void *userdata, int x, int y, float result[4])
		{
		const MemoryBuffer buffer = static_cast<const MemoryBuffer >(userdata);
		buffer->read_elem_checked(x, y, result);
		}

		void MemoryBuffer::read_elem_filtered(
		const float x, const float y, float dx[2], float dy[2], float *out) const
		{
		BLI_assert(this->m_datatype == DataType::Color);

		const float deriv[2][2] = {{dx[0], dx[1]}, {dy[0], dy[1]}};

		float inv_width = 1.0f / (float)this->getWidth(), inv_height = 1.0f / (float)this->getHeight();
		/* TODO(sergey): Render pipeline uses normalized coordinates and derivatives,
		* but compositor uses pixel space. For now let's just divide the values and
		* switch compositor to normalized space for EWA later.
		*/
		float uv_normal[2] = {get_relative_x(x) * inv_width, get_relative_y(y) * inv_height};
		float du_normal[2] = {deriv[0][0] * inv_width, deriv[0][1] * inv_height};
		float dv_normal[2] = {deriv[1][0] * inv_width, deriv[1][1] * inv_height};

		BLI_ewa_filter(this->getWidth(),
		this->getHeight(),
		false,
		true,
		uv_normal,
		du_normal,
		dv_normal,
		read_ewa_elem,
		const_cast<MemoryBuffer *>(this),
		out);
		}

		/* TODO(manzanilla): to be removed with tiled implementation. */
static void read_ewa_pixel_sampled(void *userdata, int x, int y, float result[4])		static void read_ewa_pixel_sampled(void *userdata, int x, int y, float result[4])
{		{
MemoryBuffer buffer = (MemoryBuffer )userdata;		MemoryBuffer buffer = (MemoryBuffer )userdata;
buffer->read(result, x, y);		buffer->read(result, x, y);
}		}

		/* TODO(manzanilla): to be removed with tiled implementation. */
void MemoryBuffer::readEWA(float *result, const float uv[2], const float derivatives[2][2])		void MemoryBuffer::readEWA(float *result, const float uv[2], const float derivatives[2][2])
{		{
if (m_is_a_single_elem) {		if (m_is_a_single_elem) {
memcpy(result, m_buffer, sizeof(float) * this->m_num_channels);		memcpy(result, m_buffer, sizeof(float) * this->m_num_channels);
}		}
else {		else {
BLI_assert(this->m_datatype == DataType::Color);		BLI_assert(this->m_datatype == DataType::Color);
float inv_width = 1.0f / (float)this->getWidth(), inv_height = 1.0f / (float)this->getHeight();		float inv_width = 1.0f / (float)this->getWidth(), inv_height = 1.0f / (float)this->getHeight();
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