56 lines
2.3 KiB
C
56 lines
2.3 KiB
C
//---
|
|
// gint:render-cg:bopti-asm - Assembler drawing routines for bopti
|
|
//---
|
|
|
|
#ifndef GINT_RENDERCG_BOPTIASM
|
|
#define GINT_RENDERCG_BOPTIASM
|
|
|
|
/* bopti_r5g6b5(): Full opaque 16-bit rendering
|
|
@data Input data (2-aligned)
|
|
@target Target in VRAM (2-aligned)
|
|
@width Width of rendered image
|
|
@height Height of rendered image
|
|
@in_stride Bytes to ignore between two rows of @data
|
|
@out_stride Bytes to ignore between two rows of @target */
|
|
void bopti_r5g6b5(uint16_t const *data, uint16_t *target, int width,
|
|
int height, int in_stride, int out_stride);
|
|
|
|
/* bopti_r5g6b5a(): 16-bit rendering with alpha
|
|
@data @target @width @height @in_stride @out_stride
|
|
As in bopti_r5g6b5().
|
|
@alpha Color code that encodes transparency */
|
|
void bopti_r5g6b5a(uint16_t const *data, uint16_t *target, int width,
|
|
int height, int in_stride, int out_stride, uint16_t alpha);
|
|
|
|
/* bopti_p8(): 8-bit palette rendering with alpha
|
|
@data @target @width @height @in_stride @out_stride
|
|
As in bopti_r5g6b5().
|
|
@palette Pointer to image palette (256 colors)
|
|
@alpha Palette index for transparency, if >= 256 no alpha is used */
|
|
void bopti_p8(uint8_t const *data, uint16_t *target, int width, int height,
|
|
int in_stride, int out_stride, uint16_t const *palette, int alpha);
|
|
|
|
/* bopti_p4(): 4-bit palette rendering with alpha
|
|
@data @target @width @height @in_stride @out_stride
|
|
As in bopti_r5g6b5().
|
|
@palette Pointer to image palette (16 colors)
|
|
@alpha Palette index for transparency, if >= 16 no alpha is used
|
|
@offset Initial offset within [data], in number of pixels */
|
|
void bopti_p4(uint8_t const *data, uint16_t *target, int width, int height,
|
|
int in_stride, int out_stride, uint16_t const *palette, int alpha,
|
|
int offset);
|
|
|
|
/* bopti_render_clip(): Render with clipping
|
|
Same parameters as dsubimage(), except for flags. */
|
|
void bopti_render_clip(int x, int y, image_t const *img, int left, int top,
|
|
int width, int height);
|
|
|
|
/* bopti_render_clip(): Render without clipping
|
|
Behaviour is not defined if (left,top)+(width,height) is not included in the
|
|
source image or (x,y)+(width,height) is not included in the VRAM area.
|
|
Same parameters as dsubimage(), except for flags. */
|
|
void bopti_render_noclip(int x, int y, image_t const *img, int left, int top,
|
|
int width, int height);
|
|
|
|
#endif /* GINT_RENDERCG_BOPTIASM */
|