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authorBrian Paul <brianp@vmware.com>2010-05-04 13:23:41 -0600
committerBrian Paul <brianp@vmware.com>2010-05-04 17:17:04 -0600
commit477b0d838b7ac3f9d0534df28f6af9e17c403a71 (patch)
tree81b7cb0daf72520849eb43e512a3d7ffc6f18c75 /src
parent0671c6b5891f38347a3186f367913d674d3196c4 (diff)
llvmpipe: do some null pointer checking
Diffstat (limited to 'src')
-rw-r--r--src/gallium/drivers/llvmpipe/lp_setup.c39
1 files changed, 22 insertions, 17 deletions
diff --git a/src/gallium/drivers/llvmpipe/lp_setup.c b/src/gallium/drivers/llvmpipe/lp_setup.c
index 1a2cd55b16..d800b7b05a 100644
--- a/src/gallium/drivers/llvmpipe/lp_setup.c
+++ b/src/gallium/drivers/llvmpipe/lp_setup.c
@@ -644,16 +644,19 @@ lp_setup_update_state( struct lp_setup_context *setup )
stored = lp_scene_alloc_aligned(scene, 4 * 16, 16);
- /* smear each blend color component across 16 ubyte elements */
- for (i = 0; i < 4; ++i) {
- uint8_t c = float_to_ubyte(setup->blend_color.current.color[i]);
- for (j = 0; j < 16; ++j)
- stored[i*16 + j] = c;
- }
+ if (stored) {
+ /* smear each blend color component across 16 ubyte elements */
+ for (i = 0; i < 4; ++i) {
+ uint8_t c = float_to_ubyte(setup->blend_color.current.color[i]);
+ for (j = 0; j < 16; ++j)
+ stored[i*16 + j] = c;
+ }
- setup->blend_color.stored = stored;
+ setup->blend_color.stored = stored;
+
+ setup->fs.current.jit_context.blend_color = setup->blend_color.stored;
+ }
- setup->fs.current.jit_context.blend_color = setup->blend_color.stored;
setup->dirty |= LP_SETUP_NEW_FS;
}
@@ -662,17 +665,19 @@ lp_setup_update_state( struct lp_setup_context *setup )
stored = lp_scene_alloc_aligned(scene, 4 * sizeof(int32_t), 16);
- stored[0] = (float) setup->scissor.current.minx;
- stored[1] = (float) setup->scissor.current.miny;
- stored[2] = (float) setup->scissor.current.maxx;
- stored[3] = (float) setup->scissor.current.maxy;
+ if (stored) {
+ stored[0] = (float) setup->scissor.current.minx;
+ stored[1] = (float) setup->scissor.current.miny;
+ stored[2] = (float) setup->scissor.current.maxx;
+ stored[3] = (float) setup->scissor.current.maxy;
- setup->scissor.stored = stored;
+ setup->scissor.stored = stored;
- setup->fs.current.jit_context.scissor_xmin = stored[0];
- setup->fs.current.jit_context.scissor_ymin = stored[1];
- setup->fs.current.jit_context.scissor_xmax = stored[2];
- setup->fs.current.jit_context.scissor_ymax = stored[3];
+ setup->fs.current.jit_context.scissor_xmin = stored[0];
+ setup->fs.current.jit_context.scissor_ymin = stored[1];
+ setup->fs.current.jit_context.scissor_xmax = stored[2];
+ setup->fs.current.jit_context.scissor_ymax = stored[3];
+ }
setup->dirty |= LP_SETUP_NEW_FS;
}