fdo-mirrors/mesa
1
0
Fork 0
mirror of https://gitlab.freedesktop.org/mesa/mesa.git synced 2026-01-24 12:30:19 +01:00
Code Issues Projects Releases Packages Wiki Activity Actions 5

glsl_to_tgsi: reduce the size of glsl_to_tgsi_instruction using bitfields

Browse source 
sizeof(glsl_to_tgsi_instruction): 464 -> 416

Reviewed-by: Ilia Mirkin <imirkin@alum.mit.edu>
Reviewed-by: Dave Airlie <airlied@redhat.com>
Reviewed-by: Nicolai Hähnle <nicolai.haehnle@amd.com>
This commit is contained in:
Marek Olšák 2016-10-16 21:58:13 +02:00
parent 9015cbb3a3
commit dbf64ea28b
1 changed files with 19 additions and 17 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

36
src/mesa/state_tracker/st_glsl_to_tgsi.cpp
View file

@ -270,28 +270,27 @@ class glsl_to_tgsi_instruction : public exec_node {
public:
DECLARE_RALLOC_CXX_OPERATORS(glsl_to_tgsi_instruction)
unsigned op;
st_dst_reg dst[2];
st_src_reg src[4];
st_src_reg sampler; /**< sampler register */
st_src_reg tex_offsets[MAX_GLSL_TEXTURE_OFFSET];
st_src_reg buffer; /**< buffer register */
/** Pointer to the ir source this tree came from for debugging */
ir_instruction *ir;
GLboolean cond_update;
bool saturate;
bool is_64bit_expanded;
st_src_reg sampler; /**< sampler register */
int sampler_base;
int sampler_array_size; /**< 1-based size of sampler array, 1 if not array */
int tex_target; /**< One of TEXTURE_*_INDEX */
glsl_base_type tex_type;
GLboolean tex_shadow;
unsigned image_format;
st_src_reg tex_offsets[MAX_GLSL_TEXTURE_OFFSET];
unsigned tex_offset_num_offset;
int dead_mask; /**< Used in dead code elimination */
st_src_reg buffer; /**< buffer register */
unsigned buffer_access; /**< buffer access type */
unsigned op:8; /**< TGSI opcode */
unsigned saturate:1;
unsigned is_64bit_expanded:1;
unsigned sampler_base:5;
unsigned sampler_array_size:6; /**< 1-based size of sampler array, 1 if not array */
unsigned tex_target:4; /**< One of TEXTURE_*_INDEX */
glsl_base_type tex_type:4;
unsigned tex_shadow:1;
unsigned image_format:9;
unsigned tex_offset_num_offset:3;
unsigned dead_mask:4; /**< Used in dead code elimination */
unsigned buffer_access:3; /**< buffer access type */
class function_entry *function; /* Set on TGSI_OPCODE_CAL or TGSI_OPCODE_BGNSUB */
const struct tgsi_opcode_info *info;
@ -706,6 +705,9 @@ glsl_to_tgsi_visitor::emit_asm(ir_instruction *ir, unsigned op,
}
assert(num_reladdr == 0);
/* inst->op has only 8 bits. */
STATIC_ASSERT(TGSI_OPCODE_LAST <= 255);
inst->op = op;
inst->info = tgsi_get_opcode_info(op);
inst->dst[0] = dst;