From 452e8776788f02b9425bcbaf9533081479a5cc51 Mon Sep 17 00:00:00 2001 From: Ville Syrjälä Date: Wed, 3 Apr 2019 18:29:46 +0300 Subject: lib/rendercopy: Assert that buffer dimensions/stride are acceptable MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sprinkle some asserts into rendercopy to make sure we don't try to exceed the render engine surface size/stride limitations. Signed-off-by: Ville Syrjälä Reviewed-by: Chris Wilson --- lib/rendercopy_i915.c | 9 +++++++++ 1 file changed, 9 insertions(+) (limited to 'lib/rendercopy_i915.c') diff --git a/lib/rendercopy_i915.c b/lib/rendercopy_i915.c index b28fa98d..1baa7a1b 100644 --- a/lib/rendercopy_i915.c +++ b/lib/rendercopy_i915.c @@ -87,6 +87,11 @@ void gen3_render_copyfunc(struct intel_batchbuffer *batch, { #define TEX_COUNT 1 uint32_t format_bits, tiling_bits = 0; + + igt_assert_lte(src->stride, 8192); + igt_assert_lte(igt_buf_width(src), 2048); + igt_assert_lte(igt_buf_height(src), 2048); + if (src->tiling != I915_TILING_NONE) tiling_bits = MS3_TILED_SURFACE; if (src->tiling == I915_TILING_Y) @@ -123,6 +128,10 @@ void gen3_render_copyfunc(struct intel_batchbuffer *batch, uint32_t tiling_bits = 0; uint32_t format_bits; + igt_assert_lte(dst->stride, 8192); + igt_assert_lte(igt_buf_width(dst), 2048); + igt_assert_lte(igt_buf_height(dst), 2048); + switch (dst->bpp) { case 8: format_bits = COLR_BUF_8BIT; break; case 16: format_bits = COLR_BUF_RGB565; break; -- cgit v1.2.3