summaryrefslogtreecommitdiff
path: root/src/gallium/drivers/llvmpipe
diff options
context:
space:
mode:
authorBrian Paul <brianp@vmware.com>2009-12-04 09:14:40 -0700
committerBrian Paul <brianp@vmware.com>2009-12-04 09:14:42 -0700
commit04e12e31b252e7a18862c3ac386f302665edb6e7 (patch)
tree88eccdac9fa17ff15082c5b5154850052900d73e /src/gallium/drivers/llvmpipe
parentc6057ab8ff8991eac9c73c267696b386f8e56c68 (diff)
llvmpipe: dynamic allocation of triangle a0/dadx/dady arrays
Much less memory per triangle now.
Diffstat (limited to 'src/gallium/drivers/llvmpipe')
-rw-r--r--src/gallium/drivers/llvmpipe/lp_rast.h10
-rw-r--r--src/gallium/drivers/llvmpipe/lp_setup_tri.c10
2 files changed, 14 insertions, 6 deletions
diff --git a/src/gallium/drivers/llvmpipe/lp_rast.h b/src/gallium/drivers/llvmpipe/lp_rast.h
index ab21a77834..435993d44d 100644
--- a/src/gallium/drivers/llvmpipe/lp_rast.h
+++ b/src/gallium/drivers/llvmpipe/lp_rast.h
@@ -64,14 +64,12 @@ struct lp_rast_shader_inputs {
const struct lp_rast_state *state;
/* Attribute interpolation:
- *
* First coefficient is position.
- *
- * FIXME: reduce memory waste!
+ * These pointers point into the bin data buffer.
*/
- float a0[1 + PIPE_MAX_SHADER_INPUTS][4];
- float dadx[1 + PIPE_MAX_SHADER_INPUTS][4];
- float dady[1 + PIPE_MAX_SHADER_INPUTS][4];
+ float (*a0)[4];
+ float (*dadx)[4];
+ float (*dady)[4];
};
diff --git a/src/gallium/drivers/llvmpipe/lp_setup_tri.c b/src/gallium/drivers/llvmpipe/lp_setup_tri.c
index c21c465a75..3b71bc4c03 100644
--- a/src/gallium/drivers/llvmpipe/lp_setup_tri.c
+++ b/src/gallium/drivers/llvmpipe/lp_setup_tri.c
@@ -177,6 +177,16 @@ static void setup_tri_coefficients( struct setup_context *setup,
{
unsigned slot;
+ /* Allocate space for the a0, dadx and dady arrays
+ */
+ {
+ unsigned bytes;
+ bytes = (setup->fs.nr_inputs + 1) * 4 * sizeof(float);
+ tri->inputs.a0 = get_data_aligned( &setup->data, bytes, 16 );
+ tri->inputs.dadx = get_data_aligned( &setup->data, bytes, 16 );
+ tri->inputs.dady = get_data_aligned( &setup->data, bytes, 16 );
+ }
+
/* The internal position input is in slot zero:
*/
setup_fragcoord_coef(tri, 0, v1, v2, v3);