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GWN: IMM: Add util function to batch several immRecti/immRectf

This commit is contained in:
Clément Foucault 2018-04-17 19:35:56 +02:00
parent de6289e79e
commit 5559abf31d
2 changed files with 38 additions and 0 deletions
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4
intern/gawain/gawain/gwn_imm_util.h
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@ -16,3 +16,7 @@
// caller is reponsible for vertex format & shader
void immRectf(unsigned pos, float x1, float y1, float x2, float y2);
void immRecti(unsigned pos, int x1, int y1, int x2, int y2);
// Same as immRectf/immRecti but does not call immBegin/immEnd. To use with GWN_PRIM_TRIS.
void immRectf_fast_with_color(unsigned pos, unsigned col, float x1, float y1, float x2, float y2, const float color[4]);
void immRecti_fast_with_color(unsigned pos, unsigned col, int x1, int y1, int x2, int y2, const float color[4]);

34
intern/gawain/src/gwn_imm_util.c
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@ -33,6 +33,40 @@ void immRecti(unsigned pos, int x1, int y1, int x2, int y2)
immEnd();
}
void immRectf_fast_with_color(unsigned pos, unsigned col, float x1, float y1, float x2, float y2, const float color[4])
{
immAttrib4fv(col, color);
immVertex2f(pos, x1, y1);
immAttrib4fv(col, color);
immVertex2f(pos, x2, y1);
immAttrib4fv(col, color);
immVertex2f(pos, x2, y2);
immAttrib4fv(col, color);
immVertex2f(pos, x1, y1);
immAttrib4fv(col, color);
immVertex2f(pos, x2, y2);
immAttrib4fv(col, color);
immVertex2f(pos, x1, y2);
}
void immRecti_fast_with_color(unsigned pos, unsigned col, int x1, int y1, int x2, int y2, const float color[4])
{
immAttrib4fv(col, color);
immVertex2i(pos, x1, y1);
immAttrib4fv(col, color);
immVertex2i(pos, x2, y1);
immAttrib4fv(col, color);
immVertex2i(pos, x2, y2);
immAttrib4fv(col, color);
immVertex2i(pos, x1, y1);
immAttrib4fv(col, color);
immVertex2i(pos, x2, y2);
immAttrib4fv(col, color);
immVertex2i(pos, x1, y2);
}
#if 0 // more complete version in case we want that
void immRecti_complete(int x1, int y1, int x2, int y2, const float color[4])
{