SDL2 API: 02.Video - 02 - 2D Accelerated Rendering

Question 1

SDL_ComposeCustomBlendMode

Answer 1

Compose a custom blend mode for renderers.

Question 2

SDL_CreateRenderer

Answer 2

Create a 2D rendering context for a window.

Question 3

SDL_CreateSoftwareRenderer

Answer 3

Create a 2D software rendering context for a surface.

Question 4

SDL_CreateTexture

Answer 4

Create a texture for a rendering context.

Question 5

SDL_CreateTextureFromSurface

Answer 5

Create a texture from an existing surface.

Question 6

SDL_CreateWindowAndRenderer

Answer 6

Create a window and default renderer.

Question 7

SDL_DestroyRenderer

Answer 7

Destroy the rendering context for a window and free associated textures.

Question 8

SDL_DestroyTexture

Answer 8

Destroy the specified texture.

Question 9

SDL_GL_BindTexture

Answer 9

Bind an OpenGL/ES/ES2 texture to the current context for use with OpenGL instructions when rendering OpenGL primitives directly.

Question 10

SDL_GL_UnbindTexture

Answer 10

Unbind an OpenGL/ES/ES2 texture from the current context.

Question 11

SDL_GetNumRenderDrivers

Answer 11

Get the number of 2D rendering drivers available for the current display.

Question 12

SDL_GetRenderDrawBlendMode

Answer 12

Get the blend mode used for drawing operations.

Question 13

SDL_GetRenderDrawColor

Answer 13

Get the color used for drawing operations (Rect, Line and Clear).

Question 14

SDL_GetRenderDriverInfo

Answer 14

Get information about a specific 2D rendering driver for the current display.

Question 15

SDL_GetRenderTarget

Answer 15

Get the current render target.

Question 16

SDL_GetRenderer

Answer 16

Get the renderer associated with a window.

Question 17

SDL_GetRendererInfo

Answer 17

Get information about a rendering context.

Question 18

SDL_GetRendererOutputSize

Answer 18

Get the output size in pixels of a rendering context.

Question 19

SDL_GetTextureAlphaMod

Answer 19

Get the additional alpha value multiplied into render copy operations.

Question 20

SDL_GetTextureBlendMode

Answer 20

Get the blend mode used for texture copy operations.

Question 21

SDL_GetTextureColorMod

Answer 21

Get the additional color value multiplied into render copy operations.

Question 22

SDL_LockTexture

Answer 22

Lock a portion of the texture for write-only pixel access.

Question 23

SDL_QueryTexture

Answer 23

Query the attributes of a texture.

Question 24

SDL_RenderClear

Answer 24

Clear the current rendering target with the drawing color.

Question 25

SDL_RenderCopy

Answer 25

Copy a portion of the texture to the current rendering target.

Question 26

SDL_RenderCopyEx

Answer 26

Copy a portion of the texture to the current rendering target, optionally rotating it by angle around the given center and also flipping it top-bottom and/or left-right.

Question 27

SDL_RenderDrawLine

Answer 27

Draw a line on the current rendering target.

Question 28

SDL_RenderDrawLines

Answer 28

Draw a series of connected lines on the current rendering target.

Question 29

SDL_RenderDrawPoint

Answer 29

Draw a point on the current rendering target.

Question 30

SDL_RenderDrawPoints

Answer 30

Draw multiple points on the current rendering target.

Question 31

SDL_RenderDrawRect

Answer 31

Draw a rectangle on the current rendering target.

Question 32

SDL_RenderDrawRects

Answer 32

Draw some number of rectangles on the current rendering target.

Question 33

SDL_RenderFillRect

Answer 33

Fill a rectangle on the current rendering target with the drawing color.

Question 34

SDL_RenderFillRects

Answer 34

Fill some number of rectangles on the current rendering target with the drawing color.

Question 35

SDL_RenderGetClipRect

Answer 35

Get the clip rectangle for the current target.

Question 36

SDL_RenderGetIntegerScale

Answer 36

Get whether integer scales are forced for resolution-independent rendering.

Question 37

SDL_RenderGetLogicalSize

Answer 37

Get device independent resolution for rendering.

Question 38

SDL_RenderGetScale

Answer 38

Get the drawing scale for the current target.

Question 39

SDL_RenderGetViewport

Answer 39

Get the drawing area for the current target.

Question 40

SDL_RenderIsClipEnabled

Answer 40

Get whether clipping is enabled on the given renderer.

Question 41

SDL_RenderPresent

Answer 41

Update the screen with any rendering performed since the previous call.

Question 42

SDL_RenderReadPixels

Answer 42

Read pixels from the current rendering target.

Question 43

SDL_RenderSetClipRect

Answer 43

Set the clip rectangle for rendering on the specified target.

Question 44

SDL_RenderSetIntegerScale

Answer 44

Set whether to force integer scales for resolution-independent rendering.

Question 45

SDL_RenderSetLogicalSize

Answer 45

Set a device independent resolution for rendering.

Question 46

SDL_RenderSetScale

Answer 46

Set the drawing scale for rendering on the current target.

Question 47

SDL_RenderSetViewport

Answer 47

Set the drawing area for rendering on the current target.

Question 48

SDL_RenderTargetSupported

Answer 48

Determine whether a window supports the use of render targets.

Question 49

SDL_SetRenderDrawBlendMode

Answer 49

Set the blend mode used for drawing operations (Fill and Line).

Question 50

SDL_SetRenderDrawColor

Answer 50

Set the color used for drawing operations (Rect, Line and Clear).

Question 51

SDL_SetRenderTarget

Answer 51

Set a texture as the current rendering target.

Question 52

SDL_SetTextureAlphaMod

Answer 52

Set an additional alpha value multiplied into render copy operations.

Question 53

SDL_SetTextureBlendMode

Answer 53

Set the blend mode for a texture, used by SDL_RenderCopy().

Question 54

SDL_SetTextureColorMod

Answer 54

Set an additional color value multiplied into render copy operations.

Question 55

SDL_UnlockTexture

Answer 55

Unlock a texture, uploading the changes to video memory, if needed.

Question 56

SDL_UpdateTexture

Answer 56

Update the given texture rectangle with new pixel data.

Question 57

SDL_UpdateYUVTexture

Answer 57

Update a rectangle within a planar YV12 or IYUV texture with new pixel data.