diff options
Diffstat (limited to 'mesalib/src/mesa/drivers/common/meta_blit.c')
| -rw-r--r-- | mesalib/src/mesa/drivers/common/meta_blit.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/mesalib/src/mesa/drivers/common/meta_blit.c b/mesalib/src/mesa/drivers/common/meta_blit.c index 3406be1ed..bb2164276 100644 --- a/mesalib/src/mesa/drivers/common/meta_blit.c +++ b/mesalib/src/mesa/drivers/common/meta_blit.c @@ -82,7 +82,7 @@ setup_glsl_msaa_blit_scaled_shader(struct gl_context *ctx, y_scale = samples * 0.5; /* We expect only power of 2 samples in source multisample buffer. */ - assert((samples & (samples - 1)) == 0); + assert(samples > 0 && (samples & (samples - 1)) == 0); while (samples >> (shader_offset + 1)) { shader_offset++; } @@ -133,6 +133,8 @@ setup_glsl_msaa_blit_scaled_shader(struct gl_context *ctx, sample_map = ctx->Const.SampleMap8x; break; default: + sample_number = NULL; + sample_map = NULL; _mesa_problem(ctx, "Unsupported sample count %d\n", samples); unreachable("Unsupported sample count"); } @@ -261,7 +263,7 @@ setup_glsl_msaa_blit_shader(struct gl_context *ctx, } /* We expect only power of 2 samples in source multisample buffer. */ - assert((samples & (samples - 1)) == 0); + assert(samples > 0 && (samples & (samples - 1)) == 0); while (samples >> (shader_offset + 1)) { shader_offset++; } |