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authorEric Anholt <eric@anholt.net>2006-12-09 22:35:07 -0800
committerEric Anholt <eric@anholt.net>2006-12-09 22:35:07 -0800
commitd7b24fec245f90db4b8c66f4f7c167b8f20a9b9e (patch)
tree4342a1b0f9fb1975da34e8216736aa2a6a18b478 /src/mesa
parentf79360858d4c94629ef543a35e4e44a13419ac0e (diff)
i965: Fix a crash with wine by not allocating >1MB on the stack.
Diffstat (limited to 'src/mesa')
-rw-r--r--src/mesa/drivers/dri/i965/brw_context.h1
-rw-r--r--src/mesa/drivers/dri/i965/brw_wm.c49
2 files changed, 31 insertions, 19 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_context.h b/src/mesa/drivers/dri/i965/brw_context.h
index a57c794834..cac4d86d3a 100644
--- a/src/mesa/drivers/dri/i965/brw_context.h
+++ b/src/mesa/drivers/dri/i965/brw_context.h
@@ -599,6 +599,7 @@ struct brw_context
struct {
struct brw_wm_prog_data *prog_data;
+ struct brw_wm_compile *compile_data;
/* Input sizes, calculated from active vertex program:
*/
diff --git a/src/mesa/drivers/dri/i965/brw_wm.c b/src/mesa/drivers/dri/i965/brw_wm.c
index 3e2f2d06b8..0f842d289d 100644
--- a/src/mesa/drivers/dri/i965/brw_wm.c
+++ b/src/mesa/drivers/dri/i965/brw_wm.c
@@ -138,64 +138,75 @@ static void do_wm_prog( struct brw_context *brw,
struct brw_fragment_program *fp,
struct brw_wm_prog_key *key)
{
- struct brw_wm_compile c;
+ struct brw_wm_compile *c;
const GLuint *program;
GLuint program_size;
- memset(&c, 0, sizeof(c));
- memcpy(&c.key, key, sizeof(*key));
+ c = brw->wm.compile_data;
+ if (c == NULL) {
+ brw->wm.compile_data = calloc(1, sizeof(*brw->wm.compile_data));
+ c = brw->wm.compile_data;
+ } else {
+ memset(c, 0, sizeof(*brw->wm.compile_data));
+ }
+ memcpy(&c->key, key, sizeof(*key));
- c.fp = fp;
- c.env_param = brw->intel.ctx.FragmentProgram.Parameters;
+ c->fp = fp;
+ c->env_param = brw->intel.ctx.FragmentProgram.Parameters;
/* Augment fragment program. Add instructions for pre- and
* post-fragment-program tasks such as interpolation and fogging.
*/
- brw_wm_pass_fp(&c);
+ brw_wm_pass_fp(c);
/* Translate to intermediate representation. Build register usage
* chains.
*/
- brw_wm_pass0(&c);
+ brw_wm_pass0(c);
/* Dead code removal.
*/
- brw_wm_pass1(&c);
+ brw_wm_pass1(c);
/* Hal optimization
*/
- brw_wm_pass_hal (&c);
+ brw_wm_pass_hal (c);
/* Register allocation.
*/
- c.grf_limit = BRW_WM_MAX_GRF/2;
+ c->grf_limit = BRW_WM_MAX_GRF/2;
/* This is where we start emitting gen4 code:
*/
- brw_init_compile(&c.func);
+ brw_init_compile(&c->func);
- brw_wm_pass2(&c);
+ brw_wm_pass2(c);
- c.prog_data.total_grf = c.max_wm_grf;
- c.prog_data.total_scratch = c.last_scratch ? c.last_scratch + 0x40 : 0;
+ c->prog_data.total_grf = c->max_wm_grf;
+ if (c->last_scratch) {
+ c->prog_data.total_scratch =
+ c->last_scratch + 0x40;
+ } else {
+ c->prog_data.total_scratch = 0;
+ }
/* Emit GEN4 code.
*/
- brw_wm_emit(&c);
+ brw_wm_emit(c);
/* get the program
*/
- program = brw_get_program(&c.func, &program_size);
+ program = brw_get_program(&c->func, &program_size);
/*
*/
brw->wm.prog_gs_offset = brw_upload_cache( &brw->cache[BRW_WM_PROG],
- &c.key,
- sizeof(c.key),
+ &c->key,
+ sizeof(c->key),
program,
program_size,
- &c.prog_data,
+ &c->prog_data,
&brw->wm.prog_data );
}