diff options
Diffstat (limited to 'src/mesa/drivers')
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_blorp_blit.cpp | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_blorp_blit.cpp b/src/mesa/drivers/dri/i965/brw_blorp_blit.cpp index 4de2d7a561a..0bed7683194 100644 --- a/src/mesa/drivers/dri/i965/brw_blorp_blit.cpp +++ b/src/mesa/drivers/dri/i965/brw_blorp_blit.cpp @@ -60,6 +60,9 @@ fixup_mirroring(bool &mirror, GLint &coord0, GLint &coord1) * For clarity, the nomenclature of this function assumes we are clipping and * scissoring the X coordinate; the exact same logic applies for Y * coordinates. + * + * Note: this function may also be used to account for clipping of source + * coordinates, by swapping the roles of src and dst. */ static inline bool clip_or_scissor(bool mirror, GLint &src_x0, GLint &src_x1, GLint &dst_x0, @@ -203,9 +206,14 @@ try_blorp_blit(struct intel_context *intel, return true; } - /* TODO: Clipping the source rectangle is not yet implemented. */ - if (srcX0 < 0 || (GLuint) srcX1 > read_fb->Width) return false; - if (srcY0 < 0 || (GLuint) srcY1 > read_fb->Height) return false; + /* If the source rectangle needs to be clipped or scissored, do so. */ + if (!(clip_or_scissor(mirror_x, dstX0, dstX1, srcX0, srcX1, + 0, read_fb->Width) && + clip_or_scissor(mirror_y, dstY0, dstY1, srcY0, srcY1, + 0, read_fb->Height))) { + /* Everything got clipped/scissored away, so the blit was successful. */ + return true; + } /* Get ready to blit. This includes depth resolving the src and dst * buffers if necessary. |