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Add a helper define for input scale.

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This commit is contained in:
Themaister 2011-11-13 17:09:49 +01:00
parent 4a6392aefa
commit 776b0a1e2d
1 changed files with 3 additions and 4 deletions
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7
gfx/ext/ssnes_video.h
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@ -46,6 +46,8 @@ extern "C" {
#define SSNES_COLOR_FORMAT_XRGB1555 0 #define SSNES_COLOR_FORMAT_XRGB1555 0
#define SSNES_COLOR_FORMAT_ARGB8888 1 #define SSNES_COLOR_FORMAT_ARGB8888 1
#define SSNES_INPUT_SCALE_BASE 256
typedef struct ssnes_video_info typedef struct ssnes_video_info
{ {
// Width of window. // Width of window.
@ -79,12 +81,9 @@ typedef struct ssnes_video_info
// input_scale defines the maximum size of the picture that will // input_scale defines the maximum size of the picture that will
// ever be used with the frame callback. // ever be used with the frame callback.
// The maximum resolution is a multiple of 256x256 size, // The maximum resolution is a multiple of 256x256 size (SSNES_SCALE_BASE),
// so an input scale of 2 // so an input scale of 2
// means you should allocate a texture or of 512x512. // means you should allocate a texture or of 512x512.
// It is normally set to 2 due to the possibility of
// pseudo-hires on the SNES.
// CPU filters or otherwise might increase this value.
unsigned input_scale; unsigned input_scale;
// Defines the coloring format used of the input frame. // Defines the coloring format used of the input frame.