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Fixed a memory leak in draw13.c and a clipping issues with vertically

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flipped textures. Simplified the code and added consts were appropriate.
This was a preparation for using SDL2.0 texture rotation going forward.
(nw)
This commit is contained in:
couriersud 2015-01-05 01:54:24 +01:00
parent acfbef2a68
commit 9dd8b47bf4
2 changed files with 328 additions and 342 deletions
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10
src/osd/sdl/blit13.h
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@ -113,13 +113,13 @@ INLINE UINT32 pixel_ycc_to_rgb_pal(UINT16 *pixel, const rgb_t *palette)
//============================================================
#define TEXCOPY_M( _name, _src_type, _dest_type, _op, _len_div) \
INLINE void texcopy_##_name (texture_info *texture, const render_texinfo *texsource) { \
INLINE void texcopy_##_name (const texture_info *texture, const render_texinfo *texsource) { \
ATTR_UNUSED const rgb_t *palbase = texsource->palette(); \
int x, y; \
/* loop over Y */ \
for (y = 0; y < texsource->height; y++) { \
_src_type *src = (_src_type *)texsource->base + y * texsource->rowpixels / (_len_div); \
_dest_type *dst = (_dest_type *)((UINT8 *)texture->pixels + y * texture->pitch); \
_dest_type *dst = (_dest_type *)((UINT8 *)texture->m_pixels + y * texture->m_pitch); \
x = texsource->width / (_len_div); \
while (x > 0) { \
*dst++ = _op(*src); \
@ -133,17 +133,17 @@ INLINE void texcopy_##_name (texture_info *texture, const render_texinfo *texsou
TEXCOPY_M( _name, _src_type, _dest_type, _op, 1)
#define TEXROT( _name, _src_type, _dest_type, _op) \
INLINE void texcopy_rot_##_name (texture_info *texture, const render_texinfo *texsource) { \
INLINE void texcopy_rot_##_name (const texture_info *texture, const render_texinfo *texsource) { \
ATTR_UNUSED const rgb_t *palbase = texsource->palette(); \
int x, y; \
quad_setup_data *setup = &texture->setup; \
const quad_setup_data *setup = &texture->m_setup; \
int dudx = setup->dudx; \
int dvdx = setup->dvdx; \
/* loop over Y */ \
for (y = 0; y < setup->rotheight; y++) { \
INT32 curu = setup->startu + y * setup->dudy; \
INT32 curv = setup->startv + y * setup->dvdy; \
_dest_type *dst = (_dest_type *)((UINT8 *)texture->pixels + y * texture->pitch); \
_dest_type *dst = (_dest_type *)((UINT8 *)texture->m_pixels + y * texture->m_pitch); \
x = setup->rotwidth; \
while (x>0) { \
_src_type *src = (_src_type *) texsource->base + (curv >> 16) * texsource->rowpixels + (curu >> 16); \

660
src/osd/sdl/draw13.c
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