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Removed global temporary variables from Voodoo recompiler - fixed noise when using 2 render threads, also speedup.

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This commit is contained in:
TomW 2016-02-12 21:40:34 +00:00
commit 88256eff59
2 changed files with 15 additions and 15 deletions
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3
src/vid_voodoo.c
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@ -967,6 +967,9 @@ typedef struct voodoo_state_t
int x, x2;
uint32_t w_depth;
float log_temp;
uint32_t ebp_store;
} voodoo_state_t;
static int voodoo_output = 0;

27
src/vid_voodoo_codegen_x86.h
View file

@ -66,10 +66,8 @@ static __m128i xmm_01_w;// = 0x0001000100010001ull;
static __m128i xmm_ff_w;// = 0x00ff00ff00ff00ffull;
static __m128i xmm_ff_b;// = 0x00000000ffffffffull;
static uint32_t ebp_store2;
static uint32_t zero = 0;
static double const_1_48 = (double)(1ull << 4);
static float log_temp;
static __m128i alookup[257], aminuslookup[256];
static __m128i minus_254;// = 0xff02ff02ff02ff02ull;
@ -335,15 +333,14 @@ static inline void voodoo_generate(uint8_t *code_block, voodoo_t *voodoo, voodoo
addbyte(0xd9); /*FXCH ST(2)*/ /*ST(0)=1/w, ST(1)=s/w, ST(2)=t/w*/
addbyte(0xca);
addbyte(0xd9); /*FSTPs log_temp*/ /*ST(0)=s/w, ST(1)=t/w*/
addbyte(0x1d);
addlong(&log_temp);
// addbyte(0xdd); /*FSTP ST(0)*/
// addbyte(0xd8);
addbyte(0x9f);
addlong(offsetof(voodoo_state_t, log_temp));
addbyte(0xdf); /*FSITPq state->tex_s*/
addbyte(0xbf);
addlong(offsetof(voodoo_state_t, tex_s));
addbyte(0xa1); /*MOV EAX, log_temp*/
addlong(&log_temp);
addbyte(0x8b); /*MOV EAX, log_temp*/
addbyte(0x87);
addlong(offsetof(voodoo_state_t, log_temp));
addbyte(0xdf); /*FSITPq state->tex_t*/
addbyte(0xbf);
addlong(offsetof(voodoo_state_t, tex_t));
@ -526,9 +523,9 @@ static inline void voodoo_generate(uint8_t *code_block, voodoo_t *voodoo, voodoo
addbyte(0x8d); /*LEA ESI, [ESI+ECX*4]*/
addbyte(0x34);
addbyte(0x8e);
addbyte(0x89); /*MOV ebp_store2, EBP*/
addbyte(0x2d);
addlong(&ebp_store2);
addbyte(0x89); /*MOV ebp_store, EBP*/
addbyte(0xaf);
addlong(offsetof(voodoo_state_t, ebp_store));
addbyte(0x8b); /*MOV EBP, state->tex[EDI+ECX*4]*/
addbyte(0xac);
addbyte(0x8f);
@ -613,8 +610,8 @@ static inline void voodoo_generate(uint8_t *code_block, voodoo_t *voodoo, voodoo
addbyte(0x85); /*TEST EAX, EAX*/
addbyte(0xc0);
addbyte(0x8b); /*MOV ebp_store2, ESI*/
addbyte(0x35);
addlong(&ebp_store2);
addbyte(0xb7);
addlong(offsetof(voodoo_state_t, ebp_store));
addbyte(0x0f); /*CMOVS EAX, zero*/
addbyte(0x48);
addbyte(0x05);
@ -635,8 +632,8 @@ static inline void voodoo_generate(uint8_t *code_block, voodoo_t *voodoo, voodoo
addbyte(0x86);
addlong(offsetof(voodoo_params_t, tex_w_mask));
addbyte(0x8b); /*MOV ebp_store2, ESI*/
addbyte(0x35);
addlong(&ebp_store2);
addbyte(0xb7);
addlong(offsetof(voodoo_state_t, ebp_store));
addbyte(0x74); /*JE +*/
addbyte((state->tformat & 8) ? (3+3+2) : (4+4+2));
}