diff options
author | Tim Rowley <timothy.o.rowley@intel.com> | 2016-08-12 16:59:25 -0600 |
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committer | Tim Rowley <timothy.o.rowley@intel.com> | 2016-08-17 17:08:55 -0500 |
commit | 812b45d04958e31e7a3bfc7331308374e8b73afa (patch) | |
tree | 34b7373135575d928101e6c89018ed4103b36afd /src/gallium/drivers | |
parent | 93fb768c7e608a64db3a8fc94126880ae91c7147 (diff) |
swr: [rasterizer core] clamp scissor rects to current tile rect
Signed-off-by: Tim Rowley <timothy.o.rowley@intel.com>
Diffstat (limited to 'src/gallium/drivers')
-rw-r--r-- | src/gallium/drivers/swr/rasterizer/core/utils.h | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/src/gallium/drivers/swr/rasterizer/core/utils.h b/src/gallium/drivers/swr/rasterizer/core/utils.h index 79f45ebf25d..e66cdc34bae 100644 --- a/src/gallium/drivers/swr/rasterizer/core/utils.h +++ b/src/gallium/drivers/swr/rasterizer/core/utils.h @@ -29,6 +29,7 @@ #include <string.h> #include <type_traits> +#include <algorithm> #include "common/os.h" #include "common/simdintrin.h" #include "common/swr_assert.h" @@ -95,6 +96,23 @@ OSALIGNLINE(struct) BBOX { return !(*this == rhs); } + + BBOX& Intersect(const BBOX& other) + { + this->top = std::max(this->top, other.top); + this->bottom = std::min(this->bottom, other.bottom); + this->left = std::max(this->left, other.left); + this->right = std::min(this->right, other.right); + + if (right - left < 0 || + bottom - top < 0) + { + // Zero area + top = bottom = left = right = 0; + } + + return *this; + } }; struct simdBBox |