Differential D13361 Diff 45286 source/blender/gpu/opengl/gl_texture.cc

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source/blender/gpu/opengl/gl_texture.cc

Show First 20 Lines • Show All 219 Lines • ▼ Show 20 Lines	switch (this->dimensions_count()) {
case 2:		case 2:
glTextureSubImage2D(tex_id_, mip, UNPACK2(offset), UNPACK2(extent), format, type, data);		glTextureSubImage2D(tex_id_, mip, UNPACK2(offset), UNPACK2(extent), format, type, data);
break;		break;
case 3:		case 3:
glTextureSubImage3D(tex_id_, mip, UNPACK3(offset), UNPACK3(extent), format, type, data);		glTextureSubImage3D(tex_id_, mip, UNPACK3(offset), UNPACK3(extent), format, type, data);
break;		break;
}		}
}		}

		has_pixels_ = true;
}		}

void GLTexture::update_sub(		void GLTexture::update_sub(
int mip, int offset[3], int extent[3], eGPUDataFormat type, const void *data)		int mip, int offset[3], int extent[3], eGPUDataFormat type, const void *data)
{		{
BLI_assert(validate_data_format(format_, type));		BLI_assert(validate_data_format(format_, type));
BLI_assert(data != nullptr);		BLI_assert(data != nullptr);

▲ Show 20 Lines • Show All 47 Lines • ▼ Show 20 Lines	switch (dimensions) {
case 2:		case 2:
glTexSubImage2D(target_, mip, UNPACK2(offset), UNPACK2(extent), gl_format, gl_type, data);		glTexSubImage2D(target_, mip, UNPACK2(offset), UNPACK2(extent), gl_format, gl_type, data);
break;		break;
case 3:		case 3:
glTexSubImage3D(target_, mip, UNPACK3(offset), UNPACK3(extent), gl_format, gl_type, data);		glTexSubImage3D(target_, mip, UNPACK3(offset), UNPACK3(extent), gl_format, gl_type, data);
break;		break;
}		}
}		}

		has_pixels_ = true;
}		}

/**		/**
* This will create the mipmap images and populate them with filtered data from base level.		* This will create the mipmap images and populate them with filtered data from base level.
*		*
* WARNING: Depth textures are not populated but they have their mips correctly defined.		* WARNING: Depth textures are not populated but they have their mips correctly defined.
* WARNING: This resets the mipmap range.		* WARNING: This resets the mipmap range.
*/		*/
void GLTexture::generate_mipmap()		void GLTexture::generate_mipmap()
{		{
this->ensure_mipmaps(9999);		this->ensure_mipmaps(9999);
/* Some drivers have bugs when using #glGenerateMipmap with depth textures (see T56789).		/* Some drivers have bugs when using #glGenerateMipmap with depth textures (see T56789).
* In this case we just create a complete texture with mipmaps manually without		* In this case we just create a complete texture with mipmaps manually without
* down-sampling. You must initialize the texture levels using other methods like		* down-sampling. You must initialize the texture levels using other methods like
* #GPU_framebuffer_recursive_downsample(). */		* #GPU_framebuffer_recursive_downsample(). */
if (format_flag_ & GPU_FORMAT_DEPTH) {		if (format_flag_ & GPU_FORMAT_DEPTH) {
return;		return;
}		}

		if (GLContext::generate_mipmap_workaround) {
		/* Broken glGenerateMipmap, don't call it and render without mipmaps.
		* If no top level pixels have been filled in, the levels will get filled by
		* other means and there is no need to disable mipmapping. */
		if (has_pixels_) {
		this->mip_range_set(0, 0);
		}
		return;
		}

/* Down-sample from mip 0 using implementation. */		/* Down-sample from mip 0 using implementation. */
if (GLContext::direct_state_access_support) {		if (GLContext::direct_state_access_support) {
glGenerateTextureMipmap(tex_id_);		glGenerateTextureMipmap(tex_id_);
}		}
else {		else {
GLContext::state_manager_active_get()->texture_bind_temp(this);		GLContext::state_manager_active_get()->texture_bind_temp(this);
glGenerateMipmap(target_);		glGenerateMipmap(target_);
}		}
Show All 14 Lines	else {
GPUFrameBuffer *prev_fb = GPU_framebuffer_active_get();		GPUFrameBuffer *prev_fb = GPU_framebuffer_active_get();

FrameBuffer fb = reinterpret_cast<FrameBuffer >(this->framebuffer_get());		FrameBuffer fb = reinterpret_cast<FrameBuffer >(this->framebuffer_get());
fb->bind(true);		fb->bind(true);
fb->clear_attachment(this->attachment_type(0), data_format, data);		fb->clear_attachment(this->attachment_type(0), data_format, data);

GPU_framebuffer_bind(prev_fb);		GPU_framebuffer_bind(prev_fb);
}		}

		has_pixels_ = true;
}		}

void GLTexture::copy_to(Texture *dst_)		void GLTexture::copy_to(Texture *dst_)
{		{
GLTexture dst = static_cast<GLTexture >(dst_);		GLTexture dst = static_cast<GLTexture >(dst_);
GLTexture *src = this;		GLTexture *src = this;

BLI_assert((dst->w_ == src->w_) && (dst->h_ == src->h_) && (dst->d_ == src->d_));		BLI_assert((dst->w_ == src->w_) && (dst->h_ == src->h_) && (dst->d_ == src->d_));
Show All 10 Lines	if (GLContext::copy_image_support) {
glCopyImageSubData(		glCopyImageSubData(
src->tex_id_, target_, mip, 0, 0, 0, dst->tex_id_, target_, mip, 0, 0, 0, UNPACK3(extent));		src->tex_id_, target_, mip, 0, 0, 0, dst->tex_id_, target_, mip, 0, 0, 0, UNPACK3(extent));
}		}
else {		else {
/* Fallback for older GL. */		/* Fallback for older GL. */
GPU_framebuffer_blit(		GPU_framebuffer_blit(
src->framebuffer_get(), 0, dst->framebuffer_get(), 0, to_framebuffer_bits(format_));		src->framebuffer_get(), 0, dst->framebuffer_get(), 0, to_framebuffer_bits(format_));
}		}

		has_pixels_ = true;
}		}

void *GLTexture::read(int mip, eGPUDataFormat type)		void *GLTexture::read(int mip, eGPUDataFormat type)
{		{
BLI_assert(!(format_flag_ & GPU_FORMAT_COMPRESSED));		BLI_assert(!(format_flag_ & GPU_FORMAT_COMPRESSED));
BLI_assert(mip <= mipmaps_ \|\| mip == 0);		BLI_assert(mip <= mipmaps_ \|\| mip == 0);
BLI_assert(validate_data_format(format_, type));		BLI_assert(validate_data_format(format_, type));

▲ Show 20 Lines • Show All 73 Lines • ▼ Show 20 Lines	struct GPUFrameBuffer *GLTexture::framebuffer_get()
if (framebuffer_) {		if (framebuffer_) {
return framebuffer_;		return framebuffer_;
}		}
BLI_assert(!(type_ & (GPU_TEXTURE_ARRAY \| GPU_TEXTURE_CUBE \| GPU_TEXTURE_1D \| GPU_TEXTURE_3D)));		BLI_assert(!(type_ & (GPU_TEXTURE_ARRAY \| GPU_TEXTURE_CUBE \| GPU_TEXTURE_1D \| GPU_TEXTURE_3D)));
/* TODO(fclem): cleanup this. Don't use GPU object but blender::gpu ones. */		/* TODO(fclem): cleanup this. Don't use GPU object but blender::gpu ones. */
GPUTexture gputex = reinterpret_cast<GPUTexture >(static_cast<Texture *>(this));		GPUTexture gputex = reinterpret_cast<GPUTexture >(static_cast<Texture *>(this));
framebuffer_ = GPU_framebuffer_create(name_);		framebuffer_ = GPU_framebuffer_create(name_);
GPU_framebuffer_texture_attach(framebuffer_, gputex, 0, 0);		GPU_framebuffer_texture_attach(framebuffer_, gputex, 0, 0);
		has_pixels_ = true;
return framebuffer_;		return framebuffer_;
}		}

/** \} */		/** \} */

/* -------------------------------------------------------------------- */		/* -------------------------------------------------------------------- */
/** \name Sampler objects		/** \name Sampler objects
* \{ */		* \{ */
▲ Show 20 Lines • Show All 229 Lines • Show Last 20 Lines