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Refactor mgaXMesaSetFrontClipRects and mgaXMesaSetBackClipRects.

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Combine mgaXMesaSetFrontClipRects and mgaXMesaSetBackClipRects into a
single new function called mga_set_cliprects.  This enables a small
refactor in mgaDDDrawBuffer.
This commit is contained in:
Ian Romanick 2006-10-30 22:17:39 +00:00
parent 5af5260f3c
commit 86a465412d
1 changed files with 8 additions and 33 deletions
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41
src/mesa/drivers/dri/mga/mgastate.c
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@ -744,32 +744,12 @@ static void mgaDDLogicOp( GLcontext *ctx, GLenum opcode )
}
static void mgaXMesaSetFrontClipRects( mgaContextPtr mmesa )
static void mga_set_cliprects(mgaContextPtr mmesa)
{
__DRIdrawablePrivate *driDrawable = mmesa->driDrawable;
if (driDrawable->numClipRects == 0) {
static drm_clip_rect_t zeroareacliprect = {0,0,0,0};
mmesa->numClipRects = 1;
mmesa->pClipRects = &zeroareacliprect;
} else {
mmesa->numClipRects = driDrawable->numClipRects;
mmesa->pClipRects = driDrawable->pClipRects;
}
mmesa->drawX = driDrawable->x;
mmesa->drawY = driDrawable->y;
mmesa->setup.dstorg = mmesa->drawOffset;
mmesa->dirty |= MGA_UPLOAD_CONTEXT | MGA_UPLOAD_CLIPRECTS;
}
static void mgaXMesaSetBackClipRects( mgaContextPtr mmesa )
{
__DRIdrawablePrivate *driDrawable = mmesa->driDrawable;
if (driDrawable->numBackClipRects == 0)
{
if ((mmesa->draw_buffer != MGA_FRONT)
|| (driDrawable->numBackClipRects == 0)) {
if (driDrawable->numClipRects == 0) {
static drm_clip_rect_t zeroareacliprect = {0,0,0,0};
mmesa->numClipRects = 1;
@ -801,10 +781,7 @@ void mgaUpdateRects( mgaContextPtr mmesa, GLuint buffers )
DRI_VALIDATE_DRAWABLE_INFO(mmesa->driScreen, driDrawable);
mmesa->dirty_cliprects = 0;
if (mmesa->draw_buffer == MGA_FRONT)
mgaXMesaSetFrontClipRects( mmesa );
else
mgaXMesaSetBackClipRects( mmesa );
mga_set_cliprects(mmesa);
sarea->req_drawable = driDrawable->draw;
sarea->req_draw_buffer = mmesa->draw_buffer;
@ -828,23 +805,21 @@ static void mgaDDDrawBuffer(GLcontext *ctx, GLenum mode )
switch ( ctx->DrawBuffer->_ColorDrawBufferMask[0] ) {
case BUFFER_BIT_FRONT_LEFT:
mmesa->setup.dstorg = mmesa->mgaScreen->frontOffset;
mmesa->dirty |= MGA_UPLOAD_CONTEXT;
mmesa->draw_buffer = MGA_FRONT;
mgaXMesaSetFrontClipRects( mmesa );
FALLBACK( ctx, MGA_FALLBACK_DRAW_BUFFER, GL_FALSE );
break;
case BUFFER_BIT_BACK_LEFT:
mmesa->setup.dstorg = mmesa->mgaScreen->backOffset;
mmesa->draw_buffer = MGA_BACK;
mmesa->dirty |= MGA_UPLOAD_CONTEXT;
mgaXMesaSetBackClipRects( mmesa );
FALLBACK( ctx, MGA_FALLBACK_DRAW_BUFFER, GL_FALSE );
break;
default:
/* GL_NONE or GL_FRONT_AND_BACK or stereo left&right, etc */
FALLBACK( ctx, MGA_FALLBACK_DRAW_BUFFER, GL_TRUE );
return;
}
mmesa->dirty |= MGA_UPLOAD_CONTEXT;
mga_set_cliprects(mmesa);
FALLBACK(ctx, MGA_FALLBACK_DRAW_BUFFER, GL_FALSE);
}