Unigine::Texture Class

Texture Class

Members

int getAllFlags() const#

Return value

Current texture flags, a combination of FORMAT_* and SAMPLER_* variables.

int getFormatFlags() const#

Return value

Current format flags, a combination of FORMAT_* variables.

void setSamplerFlags ( int flags ) #

Arguments

• int flags - The sampler flags, a combination of SAMPLER_* variables.

int getSamplerFlags() const#

Return value

Current sampler flags, a combination of SAMPLER_* variables.

int getNumFaces() const#

Return value

Current number of faces in the texture.

int getNumLayers() const#

Return value

Current number of layers in the texture.

int getNumMipmaps() const#

Return value

Current The texture mipmap count.

int getNumChannels() const#

Return value

Current number of channels.

bool isDepthFormat() const#

Return value

true if the texture is depth texture; otherwise false.

bool isColorFormat() const#

Return value

true if the texture is color texture; otherwise false.

bool isCompressedFormat() const#

Return value

true if the texture is stored in a compressed format (DXT1, DXT3, DXT5, ATI1, ATI2, ZLC1 or ZLC2); otherwise false.

bool isCombinedFormat() const#

Return value

true if the texture is stored in a combined format (RGB565, RGBA4, RGB5A1, R24B8, or RGB10A2); otherwise false.

bool isIntegerFormat() const#

Return value

true if the texture is stored in an integer format (unsigned char, unsigned short, or unsigned int); otherwise false.

bool isFloatFormat() const#

Return value

true if the texture is stored in a float format (R32F, RG32F, RGB32F or RGBA32F); otherwise false.

bool isHalfFormat() const#

Return value

true if the texture is stored in a half-float format (R16F, RG16F, RGB16F or RGBA16F); otherwise false.

bool isUShortFormat() const#

Return value

true if the texture is stored in an unsigned short format (R16, RG16, RGB16 or RGBA16); otherwise false.

bool isUCharFormat() const#

Return value

true if the texture is stored in an unsigned char format (R8, RG8, RGB8, RGBA8, DXT1, DXT3, DXT5, ATI1 or ATI2); otherwise false.

bool isUIntFormat() const#

Return value

true if the texture is stored in an unsigned integer format (R32U, RG32U, RGB32U or RGBA32U); otherwise false.

bool isRawFormat() const#

Return value

true if the texture is uncompressed (stored in R8, RG8, RGB8, RGBA8, R16, RG16, RGB16, RGBA16, R16F, RG16F, RGB16F, RGBA16F, R32F, RG32F, RGB32F, RGBA32F, RGB565, RGBA4, RGB5A1, RGB10A2, R24B8, D16, D24, D24S8, D32F, or D32FS8 format); otherwise false.

int getImageFormat() const#

Return value

Current Image format identifier (see the FORMAT_* variables) or 0 if the specified texture format is unknown.

const char * getFormatName() const#

Return value

Current texture format name.

int getFormat() const#

Return value

Current texture format.

bool isArrayType() const#

Return value

true if the texture type is an array; otherwise false.

bool isCubeType() const#

Return value

true if the texture type is cube texture; otherwise false.

bool is3DType() const#

Return value

true if the texture type is 3D texture; otherwise false.

bool is2DType() const#

Return value

true if the texture type is 2D texture; otherwise false.

const char * getTypeName() const#

Return value

Current texture type name.

int getType() const#

Return value

Current texture type.

void setDebugName ( const char * name ) #

Arguments

• const char * name - The friendly name of the texture used for GPU debugging (RenderDoc, NVIDIA Nsight).

const char * getDebugName() const#

Return value

Current friendly name of the texture used for GPU debugging (RenderDoc, NVIDIA Nsight).

void setOwnership ( bool ownership ) #

Arguments

• bool ownership - Set true to enable automatic managing of the texture and used memory lifetime by the Engine; false - to disable it.

bool isOwnership() const#

Return value

true if automatic managing of the texture and used memory lifetime by the Engine is enabled; otherwise false.

bool isUsageShared() const#

Return value

true if the FORMAT_USAGE_SHARED flag for the texture is enabled; otherwise false.

bool isUsageStaging() const#

Return value

true if the FORMAT_USAGE_STAGING flag for the texture is enabled; otherwise false.

bool isUsageDynamic() const#

Return value

true if the FORMAT_USAGE_DYNAMIC flag for the texture is enabled; otherwise false.

bool isUsageImmutable() const#

Return value

true if the FORMAT_USAGE_IMMUTABLE flag for the texture is enabled; otherwise false.

bool isUsageRender() const#

Return value

true if the FORMAT_USAGE_RENDER flag for the texture is enabled; otherwise false.

bool isUsageUnorderedAccess() const#

Return value

true if the FORMAT_USAGE_UNORDERED_ACCESS flag for the texture is enabled; otherwise false.

size_t getVideoMemoryUsage() const#

Return value

Current texture size, in bytes.

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bool isAnisotropy ( ) const#

Checks texture anisotropy.

Return value

1 if the texture filter is anisotropy, otherwise, 0.

bool isValid ( ) #

Returns a value indicating if the texture is valid (null-pointer check).

Return value

true if the texture is valid; otherwise, false.

void * getD3D11DepthStencilView ( ) const#

Returns Direct3D11 depth stencil view.

void * getD3D11DepthStencilView ( int index ) const#

Returns Direct3D11 depth stencil view.

Arguments

• int index - Index.

void * getD3D11RenderTargetView ( int index ) const#

Returns Direct3D11 render target view.

Arguments

• int index - Index.

void * getD3D11RenderTargetView ( ) const#

Returns Direct3D11 render target view.

void * getD3D11ShaderResourceView ( ) const#

Returns Direct3D11 render target view.

void * getD3D11Texture ( ) const#

Returns Direct3D11 texture.

void * getD3D11UnorderedAccessView ( int r32_typeless ) const#

Returns Direct3D11 render target view.

Arguments

• int r32_typeless

int getDepth ( int level = 0 ) const#

Returns the depth for the given texture mipmap level.

Arguments

• int level - Mipmap level number in the range from 0 to the total number of mipmaps.

Return value

Texture mipmap level depth.

int getHeight ( int level = 0 ) const#

Returns the height for the specified texture mipmap level.

Arguments

• int level - Mipmap level number in the range from 0 to the total number of mipmaps.

Return value

Texture mipmap level height.

bool setImage ( const Ptr<Image> & image ) #

Sets texture data using the data of the specified source image.

Arguments

• const Ptr<Image> & image - Source image to be used for setting texture data.

Return value

1 if the data was set successfully; otherwise, 0.

bool setImage2D ( const Ptr<Image> & image, int offset_x, int offset_y, int texture_format = -1 ) #

Sets texture data using the data of the specified 2D or 2D array image.

Arguments

• const Ptr<Image> & image - Source image to be used for setting texture data.
• int offset_x - Offset along the X axis (in pixels) starting from which the data of the specified image is to be taken. The following condition must be satisfied: offset_x < texture_width - image_width.
• int offset_y - Offset along the Y axis (in pixels) starting from which the data of the specified image is to be taken. The following condition must be satisfied: offset_y < texture_height - image_height.
• int texture_format - Texture format identifier (see the FORMAT_* variables), or -1 - auto-detect.

Return value

1 if the data was set successfully; otherwise, 0.

bool setImageLayer ( const Ptr<Image> & image, int layer, int texture_format = -1 ) #

Sets the data of the specified layer of the 2D texture array using the data of the specified 2D image.

Arguments

• const Ptr<Image> & image - Source image to be used for setting the data of the 2D texture array layer.
• int layer - Number of the 2D texture array layer, for which the data is to be set.
• int texture_format - Texture format identifier (see the FORMAT_* variables), or -1 - auto-detect.

Return value

1 if the data was set successfully; otherwise, 0.

bool getMultisample ( ) const#

Returns the multisample count.

Return value

Multisample count.

int getWidth ( int level = 0 ) const#

Returns the width for the specified texture mipmap level.

Arguments

• int level - Mipmap level number in the range from 0 to the total number of mipmaps.

Return value

Texture mipmap level width.

void clear ( ) #

Clears texture.

bool copy2D ( int dest_x = 0, int dest_y = 0, int src_x = 0, int src_y = 0, int w = -1, int h = -1 ) #

Copies 2D texture.

Arguments

• int dest_x - The offset of the source texture along the X-axis.
• int dest_y - The offset of the source texture along the Y-axis.
• int src_x - The offset of the destination texture along the X-axis.
• int src_y - The offset of the destination texture along the Y-axis.
• int w - The width of the destination texture.
• int h - The height of the destination texture.

Return value

1 if the texture was copied; otherwise, 0.

bool copyCube ( int face, int dest_x = 0, int dest_y = 0, int src_x = 0, int src_y = 0, int w = -1, int h = -1 ) #

Copies Cube texture.

Arguments

• int face - The face of the cube.
• int dest_x - The offset of the source texture along the X-axis.
• int dest_y - The offset of the source texture along the Y-axis.
• int src_x - The offset of the destination texture along the X-axis.
• int src_y - The offset of the destination texture along the Y-axis.
• int w - The width of the destination texture.
• int h - The height of the destination texture.

Return value

1 if the texture was copied; otherwise, 0.

static Ptr<Texture> TexturePtr create ( ) #

Texture constructor.

Return value

Pointer to the created texture.

bool create ( const Ptr<Image> & image, int flags = SAMPLER_FILTER_LINEAR ) #

Texture constructor.

Arguments

• const Ptr<Image> & image - Image pointer.
• int flags - Texture flags.

Return value

1 if the texture was created successfully; otherwise, 0.

bool create2D ( int width, int height, int format, int flags = SAMPLER_FILTER_LINEAR ) #

Creates 2D texture.

Arguments

• int width - Texture width.
• int height - Texture height.
• int format - Texture format.
• int flags - Texture flags.

Return value

1 if the texture was created successfully; otherwise, 0.

bool create2DArray ( int width, int height, int num_layers, int format, int flags = SAMPLER_FILTER_LINEAR ) #

Creates 2D Array texture.

Arguments

• int width - Texture width.
• int height - Texture height.
• int num_layers - Texture layers.
• int format - Texture format.
• int flags - Texture flags.

Return value

1 if the 2D array texture was created; otherwise, 0.

bool create3D ( int width, int height, int depth, int format, int flags = SAMPLER_FILTER_LINEAR ) #

Creates 3D texture.

Arguments

• int width - Texture width.
• int height - Texture height.
• int depth - Texture depth.
• int format - Texture format.
• int flags - Texture flags.

Return value

1 if the 3D texture was created; otherwise, 0.

bool createCube ( int width, int height, int format, int flags = SAMPLER_FILTER_LINEAR ) #

Creates Cube texture.

Arguments

• int width - Texture width.
• int height - Texture height.
• int format - Texture format.
• int flags - Texture flags.

Return value

1 if the cubemap texture was created; otherwise, 0.

bool createCubeArray ( int width, int height, int num_layers, int format, int flags = SAMPLER_FILTER_LINEAR ) #

Creates Cube Array texture.

Arguments

• int width - Texture width.
• int height - Texture height.
• int num_layers - Texture layers.
• int format - Texture format.
• int flags - Texture flags.

Return value

1 if the cubemap texture array was created; otherwise, 0.

bool createMipmaps ( ) #

Creates mipmaps stack.

Return value

1 if the mipmaps stack was created; otherwise, 0.

void destroy ( ) #

Destroys texture.

int fromD3D11Texture2D ( void * ptr, int width, int height, int format, int internal_format, int flags ) #

Creates 2D texture from external D3D11Texture pointer.

Arguments

• void * ptr - Pointer to the D3D11 texture.
• int width - Texture width.
• int height - Texture height.
• int format - Texture format.
• int internal_format - Internal texture format.
• int flags - Texture flags.

Return value

1 if the 2D texture from D3D11 was created; otherwise, 0.

int fromD3D11Texture2D ( void * ptr, int width, int height, int format, int flags ) #

Creates 2D texture from external D3D11Texture pointer.

Arguments

• void * ptr - Pointer to the D3D11 texture.
• int width - Texture width.
• int height - Texture height.
• int format - Texture format.
• int flags - Texture flags.

Return value

1 if the 2D texture from D3D11 was created; otherwise, 0.

bool load ( const char * name, int flags = SAMPLER_FILTER_LINEAR ) #

Loads texture from file.

Arguments

• const char * name - File name.
• int flags - Texture flags.

Return value

1 if the texture was loaded; otherwise, 0.

void render2D ( float x0 = -1.0f, float y0 = -1.0f, float x1 = 1.0f, float y1 = 1.0f ) #

Renders 2D texture. This function creates 4 vertices (2 polygons) by using 2 X-coordinates and 2 Y-coordinates and sends it to be rendered.

Arguments

• float x0 - The first X-coordinate.
• float y0 - The first Y-coordinate.
• float x1 - The second X-coordinate.
• float y1 - The second Y-coordinate.

void render2DArray ( int layer, float x0 = -1.0f, float y0 = -1.0f, float x1 = 1.0f, float y1 = 1.0f ) #

Renders 2D Array texture. This function creates 4 vertices (2 polygons) of the texture layer by using 2 X-coordinates and 2 Y-coordinates and sends it to be rendered.

Arguments

• int layer - The number of layer.
• float x0 - The first X-coordinate.
• float y0 - The first Y-coordinate.
• float x1 - The second X-coordinate.
• float y1 - The second Y-coordinate.

void render2DScreen ( float x0 = -1.0f, float y0 = -1.0f, float x1 = 1.0f, float y1 = 1.0f ) #

Renders 2D Screen texture. This function creates 3 vertices (1 polygon) and and sends texture to be rendered inside the polygon to avoid artifacts on the edge of 2 polygons if the anti-aliasing is used.

Arguments

• float x0 - The first X-coordinate.
• float y0 - The first Y-coordinate.
• float x1 - The second X-coordinate.
• float y1 - The second Y-coordinate.

void renderCube ( int face, float x0 = -1.0f, float y0 = -1.0f, float x1 = 1.0f, float y1 = 1.0f ) #

Renders Cube texture. This function creates 4 vertices (2 polygons) of the given face of the cube texture by using 2 X-coordinates and 2 Y-coordinates and sends it to be rendered.

Arguments

• int face - The face of the cube.
• float x0 - The first X-coordinate.
• float y0 - The first Y-coordinate.
• float x1 - The second X-coordinate.
• float y1 - The second Y-coordinate.

void renderCubeArray ( int face, int layer, float x0 = -1.0f, float y0 = -1.0f, float x1 = 1.0f, float y1 = 1.0f ) #

Renders Cube Array texture. This function creates 4 vertices (2 polygons) of the given face of the cube texture layer by using 2 X-coordinates and 2 Y-coordinates and sends it to be rendered.

Arguments

• int face - The face of the cube.
• int layer - The layer number.
• float x0 - The first X-coordinate.
• float y0 - The first Y-coordinate.
• float x1 - The second X-coordinate.
• float y1 - The second Y-coordinate.

int formatImageToTexture ( int image_format, int flags ) #

Returns the texture format corresponding to the specified image format.

Arguments

• int image_format - Image format identifier (see the FORMAT_* variables) or 0 if the specified texture format is unknown.
• int flags - Unsigned format flag. 1 to interpret integer image format as unsigned, 0 - as signed.

Return value

Texture format identifier (see the FORMAT_* variables) or 0 if the specified image format is unknown.

int formatTextureToImage ( int texture_format ) #

Returns the image format corresponding to the specified texture format.

Arguments

• int texture_format - Texture format identifier (see the FORMAT_* variables).

Return value

Image format identifier (see the FORMAT_* variables) or 0 if the specified texture format is unknown.

int typeTextureToImage ( int texture_type ) #

Returns the image type corresponding to the specified texture type.

Arguments

• int texture_type - Texture type identifier (see the TEXTURE_* variables).

Return value

Image type identifier (see the IMAGE_* variables) or 0 if the specified texture type is unknown.

void clearBuffer ( ) #

Clears all levels of the texture image (fills all its elements with 0-values).

void clearBuffer ( const Math::vec4 & color ) #

Clears all levels of the texture image (fills all its elements with the clecified color values).

Arguments

• const Math::vec4 & color - Color to be used to fill the buffer.

void swap ( const Ptr<Texture> & texture ) #

Swaps the data of the current texture with the source texture.

Arguments

• const Ptr<Texture> & texture - Source texture.

bool copy ( const Ptr<Texture> & src ) #

Copies the data of the source texture to the texture.

Arguments

• const Ptr<Texture> & src - Source texture.

Return value

1 if the data of the source texture is copied successfully; otherwise, 0.

size_t getVideoMemoryUsage ( int width, int height, int format, int num_mipmaps, int flags, int num_faces, int num_layers, int depth ) #

Returns the amount of memory occupied by a texture with the specified parameters.

Arguments

• int width - Texture width, in pixels.
• int height - Texture height, in pixels.
• int format - Texture format.
• int num_mipmaps - Number of mipmaps in the texture.
• int flags - Texture flags.
• int num_faces - Number of faces in the texture.
• int num_layers - Number of layers in the texture.
• int depth - Texture depth.

Return value

Texture size, in bytes.

bool copyRegion ( const Ptr<Texture> & src, const Math::ivec3 & src_coords, int src_level, const Math::ivec3 & dest_coords, int dest_level, int width, int height, int depth ) #

Copies the specified region from the source texture.

Arguments

• const Ptr<Texture> & src - Source texture from which the data is to be copied.
• const Math::ivec3 & src_coords - Coordinates in the source texture starting from which the region's data is to be taken.
• int src_level - Source texture mipmap level number in the range from 0 to the total number of mipmaps.
• const Math::ivec3 & dest_coords - Coordinates in the texture starting from which the data from the source texture is to be pasted.
• int dest_level - Target mipmap level number in the range from 0 to the total number of mipmaps.
• int width - Width of the region to be copied, in pixels.
• int height - Height of the region to be copied, in pixels.
• int depth - Depth of the region to be copied, in pixels.

Return value

true if the specified region was successfully copied from the source to the destination; otherwise, false.

bool setBlob ( const Ptr<Blob> & blob ) const#

Sets texture data from the specified source blob.

Arguments

• const Ptr<Blob> & blob - Source blob containing texture data.

Return value

true if the data was set successfully; otherwise, false.

const char * getTypeName ( int type ) #

Returns the texture type name by its type index.

Arguments

• int type - Texture type index.

Return value

Texture type name.

Ptr<ResourceExternalMemory> getResourceExternalMemory ( ) const#

Returns the pointer to the resource in video memory. If the FORMAT_USAGE_SHARED flag is not enabled for the resource, this method returns nullptr.

Return value

The pointer to the resource in video memory. If the FORMAT_USAGE_SHARED flag is not enabled for the resource, this method returns nullptr.