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svga: Limit number of immediates in shader

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imm {128.0, -128.0, 2.0, 3.0} is used for lit instruction which
is not used very frequently. So allocate it only if lit instruction is used.

Tested with mtt piglit and mtt glretrace

v2: As per Charmaine's comment

Reviewed-by: Brian Paul <brianp@vmware.com>
Reviewed-by: Charmaine Lee <charmainel@vmware.com>
This commit is contained in:
Neha Bhende
2017-07-20 17:03:19 -07:00
committed by Brian Paul
parent 83ca6b9d31
commit 1820ef64c9
1 changed files with 5 additions and 3 deletions
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src/gallium/drivers/svga/svga_tgsi_vgpu10.c
+5 -3
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@@ -6275,15 +6275,17 @@ alloc_common_immediates(struct svga_shader_emitter_v10 *emit)
emit->common_immediate_pos[n++] =
alloc_immediate_float4(emit, 0.0f, 1.0f, 0.5f, -1.0f);
emit->common_immediate_pos[n++] =
alloc_immediate_float4(emit, 128.0f, -128.0f, 2.0f, 3.0f);
if (emit->info.opcode_count[TGSI_OPCODE_LIT] > 0) {
emit->common_immediate_pos[n++] =
alloc_immediate_float4(emit, 128.0f, -128.0f, 0.0f, 0.0f);
}
emit->common_immediate_pos[n++] =
alloc_immediate_int4(emit, 0, 1, 0, -1);
if (emit->key.vs.attrib_puint_to_snorm) {
emit->common_immediate_pos[n++] =
alloc_immediate_float4(emit, -2.0f, -2.0f, -2.0f, -1.66666f);
alloc_immediate_float4(emit, -2.0f, 2.0f, 3.0f, -1.66666f);
}
if (emit->key.vs.attrib_puint_to_uscaled) {