i965/fs: Switch from BRW_MAX_TEX_UNIT to the actual limit.

BRW_MAX_TEX_UNIT is about to grow, but only Gen7+ will be able to
support the new larger value.  On older platforms, we don't want to
allocate the extra space - it would just be a waste.
Signed-off-by: Kenneth Graunke (AFK until mid-April)'s avatarKenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Matt Turner's avatarMatt Turner <mattst88@gmail.com>
Reviewed-by: Chris Forbes's avatarChris Forbes <chrisf@ijw.co.nz>
parent 50ce6f68
......@@ -153,6 +153,7 @@ bool do_wm_prog(struct brw_context *brw,
struct brw_fragment_program *fp,
struct brw_wm_prog_key *key)
struct gl_context *ctx = &brw->ctx;
struct brw_wm_compile *c;
const GLuint *program;
struct gl_shader *fs = NULL;
......@@ -174,7 +175,7 @@ bool do_wm_prog(struct brw_context *brw,
param_count = fp->program.Base.Parameters->NumParameters * 4;
/* The backend also sometimes adds params for texture size. */
param_count += 2 * BRW_MAX_TEX_UNIT;
param_count += 2 * ctx->Const.Program[MESA_SHADER_FRAGMENT].MaxTextureImageUnits;
c->prog_data.param = rzalloc_array(NULL, const float *, param_count);
c->prog_data.pull_param = rzalloc_array(NULL, const float *, param_count);
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