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This commit is contained in:
Brian Paul 2005-09-15 01:08:24 +00:00
parent da9f65268d
commit 9a22b555cf
1 changed files with 9 additions and 11 deletions
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20
src/mesa/swrast/swrast.h
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@ -244,26 +244,24 @@ _swrast_copy_texsubimage3d(GLcontext *ctx,
GLint x, GLint y, GLsizei width, GLsizei height);
/* The driver interface for the software rasterizer.
* Unless otherwise noted, all functions are mandatory.
/**
* The driver interface for the software rasterizer.
* XXX this may go away.
* We may move these functions to ctx->Driver.RenderStart, RenderEnd.
*/
struct swrast_device_driver {
/***
*** Functions for synchronizing access to the framebuffer:
***/
void (*SpanRenderStart)(GLcontext *ctx);
void (*SpanRenderFinish)(GLcontext *ctx);
/* OPTIONAL.
/*
* These are called before and after accessing renderbuffers during
* software rasterization.
*
* Called before and after all rendering operations, including DrawPixels,
* ReadPixels, Bitmap, span functions, and CopyTexImage, etc commands.
* These are a suitable place for grabbing/releasing hardware locks.
*
* NOTE: The swrast triangle/line/point routines *DO NOT* call
* these functions. Locking in that case must be organized by the
* driver by other mechanisms.
*/
void (*SpanRenderStart)(GLcontext *ctx);
void (*SpanRenderFinish)(GLcontext *ctx);
};