mesa/st: Use global function _mesa_regions_overlap()
Signed-off-by: Anuj Phogat <anuj.phogat@gmail.com> Reviewed-by: Brian Paul <brianp@vmware.com>
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@ -33,6 +33,7 @@
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#include "main/imports.h"
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#include "main/image.h"
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#include "main/bufferobj.h"
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#include "main/blit.h"
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#include "main/format_pack.h"
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#include "main/macros.h"
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#include "main/mtypes.h"
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@ -1312,31 +1313,6 @@ st_get_color_read_renderbuffer(struct gl_context *ctx)
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}
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/**
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* \return TRUE if two regions overlap, FALSE otherwise
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*/
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static boolean
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regions_overlap(int srcX0, int srcY0,
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int srcX1, int srcY1,
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int dstX0, int dstY0,
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int dstX1, int dstY1)
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{
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if (MAX2(srcX0, srcX1) < MIN2(dstX0, dstX1))
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return FALSE; /* src completely left of dst */
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if (MAX2(dstX0, dstX1) < MIN2(srcX0, srcX1))
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return FALSE; /* dst completely left of src */
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if (MAX2(srcY0, srcY1) < MIN2(dstY0, dstY1))
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return FALSE; /* src completely above dst */
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if (MAX2(dstY0, dstY1) < MIN2(srcY0, srcY1))
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return FALSE; /* dst completely above src */
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return TRUE; /* some overlap */
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}
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/**
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* Try to do a glCopyPixels for simple cases with a blit by calling
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* pipe->blit().
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@ -1420,8 +1396,8 @@ blit_copy_pixels(struct gl_context *ctx, GLint srcx, GLint srcy,
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}
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if (rbRead != rbDraw ||
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!regions_overlap(readX, readY, readX + readW, readY + readH,
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drawX, drawY, drawX + drawW, drawY + drawH)) {
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!_mesa_regions_overlap(readX, readY, readX + readW, readY + readH,
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drawX, drawY, drawX + drawW, drawY + drawH)) {
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struct pipe_blit_info blit;
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memset(&blit, 0, sizeof(blit));
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