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S3D optimisations - between 15% and 30% faster on my machine.

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This commit is contained in:
TomW 2014-06-04 19:45:12 +01:00
commit a66dddfb43
4 changed files with 339 additions and 172 deletions
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3
src/ibm.h
View file

@ -455,3 +455,6 @@ extern int frame;
uint8_t *vramp;
uint64_t timer_read();
extern uint64_t timer_freq;

2
src/pc.rc
View file

@ -155,7 +155,7 @@ BEGIN
LTEXT "", IDC_TEXT1, 7, 38, 136, 12
END
StatusDlg DIALOGEX 0,0,186,186
StatusDlg DIALOGEX 0,0,186,186+20
STYLE DS_SETFONT | DS_MODALFRAME | DS_FIXEDSYS | WS_POPUP | WS_CAPTION | WS_SYSMENU
CAPTION "Status"
FONT 8, "MS Sans Serif"

496
src/vid_s3_virge.c
View file

@ -11,6 +11,10 @@
#include "vid_svga.h"
#include "vid_svga_render.h"
static uint64_t virge_time = 0;
static uint64_t status_time = 0;
static int reg_writes = 0;
typedef struct virge_t
{
mem_mapping_t linear_mapping;
@ -559,6 +563,7 @@ static void s3_virge_updatemapping(virge_t *virge)
static uint8_t s3_virge_mmio_read(uint32_t addr, void *p)
{
reg_writes++;
// pclog("New MMIO readb %08X\n", addr);
switch (addr & 0xffff)
{
@ -580,6 +585,7 @@ static uint8_t s3_virge_mmio_read(uint32_t addr, void *p)
}
static uint16_t s3_virge_mmio_read_w(uint32_t addr, void *p)
{
reg_writes++;
// pclog("New MMIO readw %08X\n", addr);
switch (addr & 0xfffe)
{
@ -592,6 +598,7 @@ static uint32_t s3_virge_mmio_read_l(uint32_t addr, void *p)
{
virge_t *virge = (virge_t *)p;
uint32_t ret = 0xffffffff;
reg_writes++;
// pclog("New MMIO readl %08X %04X(%08X):%08X ", addr, CS, cs, pc);
switch (addr & 0xfffc)
{
@ -723,7 +730,7 @@ static void s3_virge_mmio_write(uint32_t addr, uint8_t val, void *p)
svga_t *svga = &virge->svga;
// pclog("New MMIO writeb %08X %02X %04x(%08x):%08x\n", addr, val, CS, cs, pc);
reg_writes++;
if ((addr & 0xfffc) < 0x8000)
s3_virge_bitblt(virge, 8, val);
else switch (addr & 0xffff)
@ -749,6 +756,7 @@ static void s3_virge_mmio_write(uint32_t addr, uint8_t val, void *p)
static void s3_virge_mmio_write_w(uint32_t addr, uint16_t val, void *p)
{
virge_t *virge = (virge_t *)p;
reg_writes++;
// pclog("New MMIO writew %08X %04X %04x(%08x):%08x\n", addr, val, CS, cs, pc);
if ((addr & 0xfffc) < 0x8000)
{
@ -769,6 +777,7 @@ static void s3_virge_mmio_write_l(uint32_t addr, uint32_t val, void *p)
{
virge_t *virge = (virge_t *)p;
svga_t *svga = &virge->svga;
reg_writes++;
// if ((addr & 0xfffc) >= 0x8000)
// pclog("New MMIO writel %08X %08X %04x(%08x):%08x\n", addr, val, CS, cs, pc);
@ -1533,6 +1542,11 @@ static void s3_virge_bitblt(virge_t *virge, int count, uint32_t cpu_dat)
#define RGB24(r, g, b) ((b) | ((g) << 8) | ((r) << 16))
typedef struct rgba_t
{
int r, g, b, a;
} rgba_t;
typedef struct s3d_state_t
{
int32_t r, g, b, a, u, v, d, w;
@ -1552,6 +1566,8 @@ typedef struct s3d_state_t
int32_t x1, x2;
int y;
rgba_t dest_rgba;
} s3d_state_t;
typedef struct s3d_texture_state_t
@ -1562,62 +1578,96 @@ typedef struct s3d_texture_state_t
int32_t u, v;
} s3d_texture_state_t;
static void (*tex_read)(s3d_state_t *state, s3d_texture_state_t *texture_state, int *r_out, int *g_out, int *b_out, int *a_out);
static void (*tex_sample)(s3d_state_t *state, int *r_out, int *g_out, int *b_out, int *a_out);
static void (*dest_pixel)(s3d_state_t *state, int *r_out, int *g_out, int *b_out, int *a_out);
static void (*tex_read)(s3d_state_t *state, s3d_texture_state_t *texture_state, rgba_t *out);
static void (*tex_sample)(s3d_state_t *state);
static void (*dest_pixel)(s3d_state_t *state);
#define MAX(a, b) ((a) > (b) ? (a) : (b))
#define MIN(a, b) ((a) < (b) ? (a) : (b))
static int _x, _y;
static void tex_ARGB1555(s3d_state_t *state, s3d_texture_state_t *texture_state, int *r_out, int *g_out, int *b_out, int *a_out)
static void tex_ARGB1555(s3d_state_t *state, s3d_texture_state_t *texture_state, rgba_t *out)
{
int offset = ((texture_state->u & 0x7fc0000) >> texture_state->texture_shift) +
(((texture_state->v & 0x7fc0000) >> texture_state->texture_shift) << texture_state->level);
uint16_t val = state->texture[texture_state->level][offset];
if (((texture_state->u | texture_state->v) & 0xf8000000) == 0xf8000000 && !(state->cmd_set & CMD_SET_TWE))
val = state->tex_bdr_clr;
*r_out = ((val & 0x7c00) >> 7) | ((val & 0x7000) >> 12);
*g_out = ((val & 0x03e0) >> 2) | ((val & 0x0380) >> 7);
*b_out = ((val & 0x001f) << 3) | ((val & 0x001c) >> 2);
*a_out = (val & 0x8000) ? 0xff : 0;
out->r = ((val & 0x7c00) >> 7) | ((val & 0x7000) >> 12);
out->g = ((val & 0x03e0) >> 2) | ((val & 0x0380) >> 7);
out->b = ((val & 0x001f) << 3) | ((val & 0x001c) >> 2);
out->a = (val & 0x8000) ? 0xff : 0;
}
static void tex_ARGB4444(s3d_state_t *state, s3d_texture_state_t *texture_state, int *r_out, int *g_out, int *b_out, int *a_out)
static void tex_ARGB1555_nowrap(s3d_state_t *state, s3d_texture_state_t *texture_state, rgba_t *out)
{
int offset = ((texture_state->u & 0x7fc0000) >> texture_state->texture_shift) +
(((texture_state->v & 0x7fc0000) >> texture_state->texture_shift) << texture_state->level);
uint16_t val = state->texture[texture_state->level][offset];
if (((texture_state->u | texture_state->v) & 0xf8000000) == 0xf8000000 && !(state->cmd_set & CMD_SET_TWE))
if (((texture_state->u | texture_state->v) & 0xf8000000) == 0xf8000000)
val = state->tex_bdr_clr;
*r_out = ((val & 0x0f00) >> 4) | ((val & 0x0f00) >> 8);
*g_out = (val & 0x00f0) | ((val & 0x00f0) >> 4);
*b_out = ((val & 0x000f) << 4) | (val & 0x000f);
*a_out = ((val & 0xf000) >> 8) | ((val & 0xf000) >> 12);
out->r = ((val & 0x7c00) >> 7) | ((val & 0x7000) >> 12);
out->g = ((val & 0x03e0) >> 2) | ((val & 0x0380) >> 7);
out->b = ((val & 0x001f) << 3) | ((val & 0x001c) >> 2);
out->a = (val & 0x8000) ? 0xff : 0;
}
static void tex_ARGB8888(s3d_state_t *state, s3d_texture_state_t *texture_state, int *r_out, int *g_out, int *b_out, int *a_out)
static void tex_ARGB4444(s3d_state_t *state, s3d_texture_state_t *texture_state, rgba_t *out)
{
int offset = ((texture_state->u & 0x7fc0000) >> texture_state->texture_shift) +
(((texture_state->v & 0x7fc0000) >> texture_state->texture_shift) << texture_state->level);
uint16_t val = state->texture[texture_state->level][offset];
out->r = ((val & 0x0f00) >> 4) | ((val & 0x0f00) >> 8);
out->g = (val & 0x00f0) | ((val & 0x00f0) >> 4);
out->b = ((val & 0x000f) << 4) | (val & 0x000f);
out->a = ((val & 0xf000) >> 8) | ((val & 0xf000) >> 12);
}
static void tex_ARGB4444_nowrap(s3d_state_t *state, s3d_texture_state_t *texture_state, rgba_t *out)
{
int offset = ((texture_state->u & 0x7fc0000) >> texture_state->texture_shift) +
(((texture_state->v & 0x7fc0000) >> texture_state->texture_shift) << texture_state->level);
uint16_t val = state->texture[texture_state->level][offset];
if (((texture_state->u | texture_state->v) & 0xf8000000) == 0xf8000000)
val = state->tex_bdr_clr;
out->r = ((val & 0x0f00) >> 4) | ((val & 0x0f00) >> 8);
out->g = (val & 0x00f0) | ((val & 0x00f0) >> 4);
out->b = ((val & 0x000f) << 4) | (val & 0x000f);
out->a = ((val & 0xf000) >> 8) | ((val & 0xf000) >> 12);
}
static void tex_ARGB8888(s3d_state_t *state, s3d_texture_state_t *texture_state, rgba_t *out)
{
int offset = ((texture_state->u & 0x7fc0000) >> texture_state->texture_shift) +
(((texture_state->v & 0x7fc0000) >> texture_state->texture_shift) << texture_state->level);
uint32_t val = ((uint32_t *)state->texture[texture_state->level])[offset];
if (((texture_state->u | texture_state->v) & 0xf8000000) == 0xf8000000 && !(state->cmd_set & CMD_SET_TWE))
out->r = (val >> 16) & 0xff;
out->g = (val >> 8) & 0xff;
out->b = val & 0xff;
out->a = (val >> 24) & 0xff;
}
static void tex_ARGB8888_nowrap(s3d_state_t *state, s3d_texture_state_t *texture_state, rgba_t *out)
{
int offset = ((texture_state->u & 0x7fc0000) >> texture_state->texture_shift) +
(((texture_state->v & 0x7fc0000) >> texture_state->texture_shift) << texture_state->level);
uint32_t val = ((uint32_t *)state->texture[texture_state->level])[offset];
if (((texture_state->u | texture_state->v) & 0xf8000000) == 0xf8000000)
val = state->tex_bdr_clr;
*r_out = (val >> 16) & 0xff;
*g_out = (val >> 8) & 0xff;
*b_out = val & 0xff;
*a_out = (val >> 24) & 0xff;
out->r = (val >> 16) & 0xff;
out->g = (val >> 8) & 0xff;
out->b = val & 0xff;
out->a = (val >> 24) & 0xff;
}
static void tex_sample_normal(s3d_state_t *state, int *r_out, int *g_out, int *b_out, int *a_out)
static void tex_sample_normal(s3d_state_t *state)
{
s3d_texture_state_t texture_state;
@ -1626,14 +1676,14 @@ static void tex_sample_normal(s3d_state_t *state, int *r_out, int *g_out, int *b
texture_state.u = state->u + state->tbu;
texture_state.v = state->v + state->tbv;
tex_read(state, &texture_state, r_out, g_out, b_out, a_out);
tex_read(state, &texture_state, &state->dest_rgba);
}
static void tex_sample_normal_filter(s3d_state_t *state, int *r_out, int *g_out, int *b_out, int *a_out)
static void tex_sample_normal_filter(s3d_state_t *state)
{
s3d_texture_state_t texture_state;
int tex_offset;
int r[4], g[4], b[4], a[4];
rgba_t tex_samples[4];
int du, dv;
int d[4];
@ -1643,34 +1693,34 @@ static void tex_sample_normal_filter(s3d_state_t *state, int *r_out, int *g_out,
texture_state.u = state->u + state->tbu;
texture_state.v = state->v + state->tbv;
tex_read(state, &texture_state, &r[0], &g[0], &b[0], &a[0]);
tex_read(state, &texture_state, &tex_samples[0]);
du = (texture_state.u >> (texture_state.texture_shift - 8)) & 0xff;
dv = (texture_state.v >> (texture_state.texture_shift - 8)) & 0xff;
texture_state.u = state->u + state->tbu + tex_offset;
texture_state.v = state->v + state->tbv;
tex_read(state, &texture_state, &r[1], &g[1], &b[1], &a[1]);
tex_read(state, &texture_state, &tex_samples[1]);
texture_state.u = state->u + state->tbu;
texture_state.v = state->v + state->tbv + tex_offset;
tex_read(state, &texture_state, &r[2], &g[2], &b[2], &a[2]);
tex_read(state, &texture_state, &tex_samples[2]);
texture_state.u = state->u + state->tbu + tex_offset;
texture_state.v = state->v + state->tbv + tex_offset;
tex_read(state, &texture_state, &r[3], &g[3], &b[3], &a[3]);
tex_read(state, &texture_state, &tex_samples[3]);
d[0] = (256 - du) * (256 - dv);
d[1] = du * (256 - dv);
d[2] = (256 - du) * dv;
d[3] = du * dv;
*r_out = (r[0] * d[0] + r[1] * d[1] + r[2] * d[2] + r[3] * d[3]) >> 16;
*g_out = (g[0] * d[0] + g[1] * d[1] + g[2] * d[2] + g[3] * d[3]) >> 16;
*b_out = (b[0] * d[0] + b[1] * d[1] + b[2] * d[2] + b[3] * d[3]) >> 16;
*a_out = (a[0] * d[0] + a[1] * d[1] + a[2] * d[2] + a[3] * d[3]) >> 16;
state->dest_rgba.r = (tex_samples[0].r * d[0] + tex_samples[1].r * d[1] + tex_samples[2].r * d[2] + tex_samples[3].r * d[3]) >> 16;
state->dest_rgba.g = (tex_samples[0].g * d[0] + tex_samples[1].g * d[1] + tex_samples[2].g * d[2] + tex_samples[3].g * d[3]) >> 16;
state->dest_rgba.b = (tex_samples[0].b * d[0] + tex_samples[1].b * d[1] + tex_samples[2].b * d[2] + tex_samples[3].b * d[3]) >> 16;
state->dest_rgba.a = (tex_samples[0].a * d[0] + tex_samples[1].a * d[1] + tex_samples[2].a * d[2] + tex_samples[3].a * d[3]) >> 16;
}
static void tex_sample_mipmap(s3d_state_t *state, int *r_out, int *g_out, int *b_out, int *a_out)
static void tex_sample_mipmap(s3d_state_t *state)
{
s3d_texture_state_t texture_state;
@ -1679,14 +1729,14 @@ static void tex_sample_mipmap(s3d_state_t *state, int *r_out, int *g_out, int *b
texture_state.u = state->u + state->tbu;
texture_state.v = state->v + state->tbv;
tex_read(state, &texture_state, r_out, g_out, b_out, a_out);
tex_read(state, &texture_state, &state->dest_rgba);
}
static void tex_sample_mipmap_filter(s3d_state_t *state, int *r_out, int *g_out, int *b_out, int *a_out)
static void tex_sample_mipmap_filter(s3d_state_t *state)
{
s3d_texture_state_t texture_state;
int tex_offset;
int r[4], g[4], b[4], a[4];
rgba_t tex_samples[4];
int du, dv;
int d[4];
@ -1696,34 +1746,34 @@ static void tex_sample_mipmap_filter(s3d_state_t *state, int *r_out, int *g_out,
texture_state.u = state->u + state->tbu;
texture_state.v = state->v + state->tbv;
tex_read(state, &texture_state, &r[0], &g[0], &b[0], &a[0]);
tex_read(state, &texture_state, &tex_samples[0]);
du = (texture_state.u >> (texture_state.texture_shift - 8)) & 0xff;
dv = (texture_state.v >> (texture_state.texture_shift - 8)) & 0xff;
texture_state.u = state->u + state->tbu + tex_offset;
texture_state.v = state->v + state->tbv;
tex_read(state, &texture_state, &r[1], &g[1], &b[1], &a[1]);
tex_read(state, &texture_state, &tex_samples[1]);
texture_state.u = state->u + state->tbu;
texture_state.v = state->v + state->tbv + tex_offset;
tex_read(state, &texture_state, &r[2], &g[2], &b[2], &a[2]);
tex_read(state, &texture_state, &tex_samples[2]);
texture_state.u = state->u + state->tbu + tex_offset;
texture_state.v = state->v + state->tbv + tex_offset;
tex_read(state, &texture_state, &r[3], &g[3], &b[3], &a[3]);
tex_read(state, &texture_state, &tex_samples[3]);
d[0] = (256 - du) * (256 - dv);
d[1] = du * (256 - dv);
d[2] = (256 - du) * dv;
d[3] = du * dv;
*r_out = (r[0] * d[0] + r[1] * d[1] + r[2] * d[2] + r[3] * d[3]) >> 16;
*g_out = (g[0] * d[0] + g[1] * d[1] + g[2] * d[2] + g[3] * d[3]) >> 16;
*b_out = (b[0] * d[0] + b[1] * d[1] + b[2] * d[2] + b[3] * d[3]) >> 16;
*a_out = (a[0] * d[0] + a[1] * d[1] + a[2] * d[2] + a[3] * d[3]) >> 16;
state->dest_rgba.r = (tex_samples[0].r * d[0] + tex_samples[1].r * d[1] + tex_samples[2].r * d[2] + tex_samples[3].r * d[3]) >> 16;
state->dest_rgba.g = (tex_samples[0].g * d[0] + tex_samples[1].g * d[1] + tex_samples[2].g * d[2] + tex_samples[3].g * d[3]) >> 16;
state->dest_rgba.b = (tex_samples[0].b * d[0] + tex_samples[1].b * d[1] + tex_samples[2].b * d[2] + tex_samples[3].b * d[3]) >> 16;
state->dest_rgba.a = (tex_samples[0].a * d[0] + tex_samples[1].a * d[1] + tex_samples[2].a * d[2] + tex_samples[3].a * d[3]) >> 16;
}
static void tex_sample_persp_normal(s3d_state_t *state, int *r_out, int *g_out, int *b_out, int *a_out)
static void tex_sample_persp_normal(s3d_state_t *state)
{
s3d_texture_state_t texture_state;
int32_t w = 0;
@ -1736,15 +1786,15 @@ static void tex_sample_persp_normal(s3d_state_t *state, int *r_out, int *g_out,
texture_state.u = (int32_t)(((int64_t)state->u * (int64_t)w) >> (12 + state->max_d)) + state->tbu;
texture_state.v = (int32_t)(((int64_t)state->v * (int64_t)w) >> (12 + state->max_d)) + state->tbv;
tex_read(state, &texture_state, r_out, g_out, b_out, a_out);
tex_read(state, &texture_state, &state->dest_rgba);
}
static void tex_sample_persp_normal_filter(s3d_state_t *state, int *r_out, int *g_out, int *b_out, int *a_out)
static void tex_sample_persp_normal_filter(s3d_state_t *state)
{
s3d_texture_state_t texture_state;
int32_t w = 0, u, v;
int tex_offset;
int r[4], g[4], b[4], a[4];
rgba_t tex_samples[4];
int du, dv;
int d[4];
@ -1760,34 +1810,34 @@ static void tex_sample_persp_normal_filter(s3d_state_t *state, int *r_out, int *
texture_state.u = u;
texture_state.v = v;
tex_read(state, &texture_state, &r[0], &g[0], &b[0], &a[0]);
tex_read(state, &texture_state, &tex_samples[0]);
du = (u >> (texture_state.texture_shift - 8)) & 0xff;
dv = (v >> (texture_state.texture_shift - 8)) & 0xff;
texture_state.u = u + tex_offset;
texture_state.v = v;
tex_read(state, &texture_state, &r[1], &g[1], &b[1], &a[1]);
tex_read(state, &texture_state, &tex_samples[1]);
texture_state.u = u;
texture_state.v = v + tex_offset;
tex_read(state, &texture_state, &r[2], &g[2], &b[2], &a[2]);
tex_read(state, &texture_state, &tex_samples[2]);
texture_state.u = u + tex_offset;
texture_state.v = v + tex_offset;
tex_read(state, &texture_state, &r[3], &g[3], &b[3], &a[3]);
tex_read(state, &texture_state, &tex_samples[3]);
d[0] = (256 - du) * (256 - dv);
d[1] = du * (256 - dv);
d[2] = (256 - du) * dv;
d[3] = du * dv;
*r_out = (r[0] * d[0] + r[1] * d[1] + r[2] * d[2] + r[3] * d[3]) >> 16;
*g_out = (g[0] * d[0] + g[1] * d[1] + g[2] * d[2] + g[3] * d[3]) >> 16;
*b_out = (b[0] * d[0] + b[1] * d[1] + b[2] * d[2] + b[3] * d[3]) >> 16;
*a_out = (a[0] * d[0] + a[1] * d[1] + a[2] * d[2] + a[3] * d[3]) >> 16;
state->dest_rgba.r = (tex_samples[0].r * d[0] + tex_samples[1].r * d[1] + tex_samples[2].r * d[2] + tex_samples[3].r * d[3]) >> 16;
state->dest_rgba.g = (tex_samples[0].g * d[0] + tex_samples[1].g * d[1] + tex_samples[2].g * d[2] + tex_samples[3].g * d[3]) >> 16;
state->dest_rgba.b = (tex_samples[0].b * d[0] + tex_samples[1].b * d[1] + tex_samples[2].b * d[2] + tex_samples[3].b * d[3]) >> 16;
state->dest_rgba.a = (tex_samples[0].a * d[0] + tex_samples[1].a * d[1] + tex_samples[2].a * d[2] + tex_samples[3].a * d[3]) >> 16;
}
static void tex_sample_persp_normal_375(s3d_state_t *state, int *r_out, int *g_out, int *b_out, int *a_out)
static void tex_sample_persp_normal_375(s3d_state_t *state)
{
s3d_texture_state_t texture_state;
int32_t w = 0;
@ -1800,15 +1850,15 @@ static void tex_sample_persp_normal_375(s3d_state_t *state, int *r_out, int *g_o
texture_state.u = (int32_t)(((int64_t)state->u * (int64_t)w) >> (8 + state->max_d)) + state->tbu;
texture_state.v = (int32_t)(((int64_t)state->v * (int64_t)w) >> (8 + state->max_d)) + state->tbv;
tex_read(state, &texture_state, r_out, g_out, b_out, a_out);
tex_read(state, &texture_state, &state->dest_rgba);
}
static void tex_sample_persp_normal_filter_375(s3d_state_t *state, int *r_out, int *g_out, int *b_out, int *a_out)
static void tex_sample_persp_normal_filter_375(s3d_state_t *state)
{
s3d_texture_state_t texture_state;
int32_t w = 0, u, v;
int tex_offset;
int r[4], g[4], b[4], a[4];
rgba_t tex_samples[4];
int du, dv;
int d[4];
@ -1824,35 +1874,35 @@ static void tex_sample_persp_normal_filter_375(s3d_state_t *state, int *r_out, i
texture_state.u = u;
texture_state.v = v;
tex_read(state, &texture_state, &r[0], &g[0], &b[0], &a[0]);
tex_read(state, &texture_state, &tex_samples[0]);
du = (u >> (texture_state.texture_shift - 8)) & 0xff;
dv = (v >> (texture_state.texture_shift - 8)) & 0xff;
texture_state.u = u + tex_offset;
texture_state.v = v;
tex_read(state, &texture_state, &r[1], &g[1], &b[1], &a[1]);
tex_read(state, &texture_state, &tex_samples[1]);
texture_state.u = u;
texture_state.v = v + tex_offset;
tex_read(state, &texture_state, &r[2], &g[2], &b[2], &a[2]);
tex_read(state, &texture_state, &tex_samples[2]);
texture_state.u = u + tex_offset;
texture_state.v = v + tex_offset;
tex_read(state, &texture_state, &r[3], &g[3], &b[3], &a[3]);
tex_read(state, &texture_state, &tex_samples[3]);
d[0] = (256 - du) * (256 - dv);
d[1] = du * (256 - dv);
d[2] = (256 - du) * dv;
d[3] = du * dv;
*r_out = (r[0] * d[0] + r[1] * d[1] + r[2] * d[2] + r[3] * d[3]) >> 16;
*g_out = (g[0] * d[0] + g[1] * d[1] + g[2] * d[2] + g[3] * d[3]) >> 16;
*b_out = (b[0] * d[0] + b[1] * d[1] + b[2] * d[2] + b[3] * d[3]) >> 16;
*a_out = (a[0] * d[0] + a[1] * d[1] + a[2] * d[2] + a[3] * d[3]) >> 16;
state->dest_rgba.r = (tex_samples[0].r * d[0] + tex_samples[1].r * d[1] + tex_samples[2].r * d[2] + tex_samples[3].r * d[3]) >> 16;
state->dest_rgba.g = (tex_samples[0].g * d[0] + tex_samples[1].g * d[1] + tex_samples[2].g * d[2] + tex_samples[3].g * d[3]) >> 16;
state->dest_rgba.b = (tex_samples[0].b * d[0] + tex_samples[1].b * d[1] + tex_samples[2].b * d[2] + tex_samples[3].b * d[3]) >> 16;
state->dest_rgba.a = (tex_samples[0].a * d[0] + tex_samples[1].a * d[1] + tex_samples[2].a * d[2] + tex_samples[3].a * d[3]) >> 16;
}
static void tex_sample_persp_mipmap(s3d_state_t *state, int *r_out, int *g_out, int *b_out, int *a_out)
static void tex_sample_persp_mipmap(s3d_state_t *state)
{
s3d_texture_state_t texture_state;
int32_t w = 0;
@ -1865,15 +1915,15 @@ static void tex_sample_persp_mipmap(s3d_state_t *state, int *r_out, int *g_out,
texture_state.u = (int32_t)(((int64_t)state->u * (int64_t)w) >> (12 + state->max_d)) + state->tbu;
texture_state.v = (int32_t)(((int64_t)state->v * (int64_t)w) >> (12 + state->max_d)) + state->tbv;
tex_read(state, &texture_state, r_out, g_out, b_out, a_out);
tex_read(state, &texture_state, &state->dest_rgba);
}
static void tex_sample_persp_mipmap_filter(s3d_state_t *state, int *r_out, int *g_out, int *b_out, int *a_out)
static void tex_sample_persp_mipmap_filter(s3d_state_t *state)
{
s3d_texture_state_t texture_state;
int32_t w = 0, u, v;
int tex_offset;
int r[4], g[4], b[4], a[4];
rgba_t tex_samples[4];
int du, dv;
int d[4];
@ -1889,34 +1939,34 @@ static void tex_sample_persp_mipmap_filter(s3d_state_t *state, int *r_out, int *
texture_state.u = u;
texture_state.v = v;
tex_read(state, &texture_state, &r[0], &g[0], &b[0], &a[0]);
tex_read(state, &texture_state, &tex_samples[0]);
du = (u >> (texture_state.texture_shift - 8)) & 0xff;
dv = (v >> (texture_state.texture_shift - 8)) & 0xff;
texture_state.u = u + tex_offset;
texture_state.v = v;
tex_read(state, &texture_state, &r[1], &g[1], &b[1], &a[1]);
tex_read(state, &texture_state, &tex_samples[1]);
texture_state.u = u;
texture_state.v = v + tex_offset;
tex_read(state, &texture_state, &r[2], &g[2], &b[2], &a[2]);
tex_read(state, &texture_state, &tex_samples[2]);
texture_state.u = u + tex_offset;
texture_state.v = v + tex_offset;
tex_read(state, &texture_state, &r[3], &g[3], &b[3], &a[3]);
tex_read(state, &texture_state, &tex_samples[3]);
d[0] = (256 - du) * (256 - dv);
d[1] = du * (256 - dv);
d[2] = (256 - du) * dv;
d[3] = du * dv;
*r_out = (r[0] * d[0] + r[1] * d[1] + r[2] * d[2] + r[3] * d[3]) >> 16;
*g_out = (g[0] * d[0] + g[1] * d[1] + g[2] * d[2] + g[3] * d[3]) >> 16;
*b_out = (b[0] * d[0] + b[1] * d[1] + b[2] * d[2] + b[3] * d[3]) >> 16;
*a_out = (a[0] * d[0] + a[1] * d[1] + a[2] * d[2] + a[3] * d[3]) >> 16;
state->dest_rgba.r = (tex_samples[0].r * d[0] + tex_samples[1].r * d[1] + tex_samples[2].r * d[2] + tex_samples[3].r * d[3]) >> 16;
state->dest_rgba.g = (tex_samples[0].g * d[0] + tex_samples[1].g * d[1] + tex_samples[2].g * d[2] + tex_samples[3].g * d[3]) >> 16;
state->dest_rgba.b = (tex_samples[0].b * d[0] + tex_samples[1].b * d[1] + tex_samples[2].b * d[2] + tex_samples[3].b * d[3]) >> 16;
state->dest_rgba.a = (tex_samples[0].a * d[0] + tex_samples[1].a * d[1] + tex_samples[2].a * d[2] + tex_samples[3].a * d[3]) >> 16;
}
static void tex_sample_persp_mipmap_375(s3d_state_t *state, int *r_out, int *g_out, int *b_out, int *a_out)
static void tex_sample_persp_mipmap_375(s3d_state_t *state)
{
s3d_texture_state_t texture_state;
int32_t w = 0;
@ -1929,15 +1979,15 @@ static void tex_sample_persp_mipmap_375(s3d_state_t *state, int *r_out, int *g_o
texture_state.u = (int32_t)(((int64_t)state->u * (int64_t)w) >> (8 + state->max_d)) + state->tbu;
texture_state.v = (int32_t)(((int64_t)state->v * (int64_t)w) >> (8 + state->max_d)) + state->tbv;
tex_read(state, &texture_state, r_out, g_out, b_out, a_out);
tex_read(state, &texture_state, &state->dest_rgba);
}
static void tex_sample_persp_mipmap_filter_375(s3d_state_t *state, int *r_out, int *g_out, int *b_out, int *a_out)
static void tex_sample_persp_mipmap_filter_375(s3d_state_t *state)
{
s3d_texture_state_t texture_state;
int32_t w = 0, u, v;
int tex_offset;
int r[4], g[4], b[4], a[4];
rgba_t tex_samples[4];
int du, dv;
int d[4];
@ -1953,55 +2003,51 @@ static void tex_sample_persp_mipmap_filter_375(s3d_state_t *state, int *r_out, i
texture_state.u = u;
texture_state.v = v;
tex_read(state, &texture_state, &r[0], &g[0], &b[0], &a[0]);
tex_read(state, &texture_state, &tex_samples[0]);
du = (u >> (texture_state.texture_shift - 8)) & 0xff;
dv = (v >> (texture_state.texture_shift - 8)) & 0xff;
texture_state.u = u + tex_offset;
texture_state.v = v;
tex_read(state, &texture_state, &r[1], &g[1], &b[1], &a[1]);
tex_read(state, &texture_state, &tex_samples[1]);
texture_state.u = u;
texture_state.v = v + tex_offset;
tex_read(state, &texture_state, &r[2], &g[2], &b[2], &a[2]);
tex_read(state, &texture_state, &tex_samples[2]);
texture_state.u = u + tex_offset;
texture_state.v = v + tex_offset;
tex_read(state, &texture_state, &r[3], &g[3], &b[3], &a[3]);
tex_read(state, &texture_state, &tex_samples[3]);
d[0] = (256 - du) * (256 - dv);
d[1] = du * (256 - dv);
d[2] = (256 - du) * dv;
d[3] = du * dv;
*r_out = (r[0] * d[0] + r[1] * d[1] + r[2] * d[2] + r[3] * d[3]) >> 16;
*g_out = (g[0] * d[0] + g[1] * d[1] + g[2] * d[2] + g[3] * d[3]) >> 16;
*b_out = (b[0] * d[0] + b[1] * d[1] + b[2] * d[2] + b[3] * d[3]) >> 16;
*a_out = (a[0] * d[0] + a[1] * d[1] + a[2] * d[2] + a[3] * d[3]) >> 16;
state->dest_rgba.r = (tex_samples[0].r * d[0] + tex_samples[1].r * d[1] + tex_samples[2].r * d[2] + tex_samples[3].r * d[3]) >> 16;
state->dest_rgba.g = (tex_samples[0].g * d[0] + tex_samples[1].g * d[1] + tex_samples[2].g * d[2] + tex_samples[3].g * d[3]) >> 16;
state->dest_rgba.b = (tex_samples[0].b * d[0] + tex_samples[1].b * d[1] + tex_samples[2].b * d[2] + tex_samples[3].b * d[3]) >> 16;
state->dest_rgba.a = (tex_samples[0].a * d[0] + tex_samples[1].a * d[1] + tex_samples[2].a * d[2] + tex_samples[3].a * d[3]) >> 16;
}
#define CLAMP_RGBA(r, g, b, a) do \
{ \
if ((r) < 0) \
r = 0; \
if ((r) > 0xff) \
r = 0xff; \
if ((g) < 0) \
g = 0; \
if ((g) > 0xff) \
g = 0xff; \
if ((b) < 0) \
b = 0; \
if ((b) > 0xff) \
b = 0xff; \
if ((a) < 0) \
a = 0; \
if ((a) > 0xff) \
a = 0xff; \
#define CLAMP(x) do \
{ \
if ((x) & ~0xff) \
x = ((x) < 0) ? 0 : 0xff; \
} \
while (0)
#define CLAMP_RGBA(r, g, b, a) \
if ((r) & ~0xff) \
r = ((r) < 0) ? 0 : 0xff; \
if ((g) & ~0xff) \
g = ((g) < 0) ? 0 : 0xff; \
if ((b) & ~0xff) \
b = ((b) < 0) ? 0 : 0xff; \
if ((a) & ~0xff) \
a = ((a) < 0) ? 0 : 0xff;
#define CLAMP_RGB(r, g, b) do \
{ \
if ((r) < 0) \
@ -2019,67 +2065,64 @@ static void tex_sample_persp_mipmap_filter_375(s3d_state_t *state, int *r_out, i
} \
while (0)
static void dest_pixel_gouraud_shaded_triangle(s3d_state_t *state, int *r_out, int *g_out, int *b_out, int *a_out)
static void dest_pixel_gouraud_shaded_triangle(s3d_state_t *state)
{
*r_out = state->r >> 7;
*g_out = state->g >> 7;
*b_out = state->b >> 7;
*a_out = state->a >> 7;
CLAMP_RGBA(*r_out, *g_out, *b_out, *a_out);
state->dest_rgba.r = state->r >> 7;
CLAMP(state->dest_rgba.r);
state->dest_rgba.g = state->g >> 7;
CLAMP(state->dest_rgba.g);
state->dest_rgba.b = state->b >> 7;
CLAMP(state->dest_rgba.b);
state->dest_rgba.a = state->a >> 7;
CLAMP(state->dest_rgba.a);
}
static void dest_pixel_unlit_texture_triangle(s3d_state_t *state, int *r_out, int *g_out, int *b_out, int *a_out)
static void dest_pixel_unlit_texture_triangle(s3d_state_t *state)
{
tex_sample(state, r_out, g_out, b_out, a_out);
tex_sample(state);
if (state->cmd_set & CMD_SET_ABC_SRC)
*a_out = state->a >> 7;
state->dest_rgba.a = state->a >> 7;
}
static void dest_pixel_lit_texture_decal(s3d_state_t *state, int *r_out, int *g_out, int *b_out, int *a_out)
static void dest_pixel_lit_texture_decal(s3d_state_t *state)
{
tex_sample(state, r_out, g_out, b_out, a_out);
tex_sample(state);
if (state->cmd_set & CMD_SET_ABC_SRC)
*a_out = state->a >> 7;
state->dest_rgba.a = state->a >> 7;
}
static void dest_pixel_lit_texture_reflection(s3d_state_t *state, int *r_out, int *g_out, int *b_out, int *a_out)
static void dest_pixel_lit_texture_reflection(s3d_state_t *state)
{
int tex_r, tex_g, tex_b, tex_a;
tex_sample(state, &tex_r, &tex_g, &tex_b, &tex_a);
tex_sample(state);
*r_out = state->r >> 7;
*g_out = state->g >> 7;
*b_out = state->b >> 7;
*a_out = state->a >> 7;
CLAMP_RGBA(*r_out, *g_out, *b_out, *a_out);
state->dest_rgba.r += (state->r >> 7);
state->dest_rgba.g += (state->g >> 7);
state->dest_rgba.b += (state->b >> 7);
if (state->cmd_set & CMD_SET_ABC_SRC)
state->dest_rgba.a += (state->a >> 7);
*(r_out) += tex_r;
*(g_out) += tex_g;
*(b_out) += tex_b;
CLAMP_RGB(*r_out, *g_out, *b_out);
if (!(state->cmd_set & CMD_SET_ABC_SRC))
*a_out = tex_a;
CLAMP_RGBA(state->dest_rgba.r, state->dest_rgba.g, state->dest_rgba.b, state->dest_rgba.a);
}
static void dest_pixel_lit_texture_modulate(s3d_state_t *state, int *r_out, int *g_out, int *b_out, int *a_out)
static void dest_pixel_lit_texture_modulate(s3d_state_t *state)
{
int r = state->r >> 7, g = state->g >> 7, b = state->b >> 7, a = state->a >> 7;
tex_sample(state, r_out, g_out, b_out, a_out);
tex_sample(state);
CLAMP_RGBA(r, g, b, a);
*r_out = ((*r_out) * r) >> 8;
*g_out = ((*g_out) * g) >> 8;
*b_out = ((*b_out) * b) >> 8;
state->dest_rgba.r = ((state->dest_rgba.r) * r) >> 8;
state->dest_rgba.g = ((state->dest_rgba.g) * g) >> 8;
state->dest_rgba.b = ((state->dest_rgba.b) * b) >> 8;
if (state->cmd_set & CMD_SET_ABC_SRC)
*a_out = a;
state->dest_rgba.a = a;
}
static void tri(virge_t *virge, s3d_state_t *state, int yc, int32_t dx1, int32_t dx2)
@ -2094,9 +2137,40 @@ static void tri(virge_t *virge, s3d_state_t *state, int yc, int32_t dx1, int32_t
int bpp = 1;
uint32_t dest_offset = virge->s3d.dest_base + (state->y * virge->s3d.dest_str);
uint32_t z_offset = virge->s3d.z_base + (state->y * virge->s3d.z_str);
uint32_t dest_offset, z_offset;
if (virge->s3d.cmd_set & CMD_SET_HC)
{
if (state->y < virge->s3d.clip_t)
return;
if (state->y > virge->s3d.clip_b)
{
int diff_y = state->y - virge->s3d.clip_b;
if (diff_y > y_count)
diff_y = y_count;
state->base_u += (virge->s3d.TdUdY * diff_y);
state->base_v += (virge->s3d.TdVdY * diff_y);
state->base_z += (virge->s3d.TdZdY * diff_y);
state->base_r += (virge->s3d.TdRdY * diff_y);
state->base_g += (virge->s3d.TdGdY * diff_y);
state->base_b += (virge->s3d.TdBdY * diff_y);
state->base_a += (virge->s3d.TdAdY * diff_y);
state->base_d += (virge->s3d.TdDdY * diff_y);
state->base_w += (virge->s3d.TdWdY * diff_y);
state->x1 += (dx1 * diff_y);
state->x2 += (dx2 * diff_y);
state->y -= diff_y;
dest_offset -= virge->s3d.dest_str;
z_offset -= virge->s3d.z_str;
y_count -= diff_y;
}
}
dest_offset = virge->s3d.dest_base + (state->y * virge->s3d.dest_str);
z_offset = virge->s3d.z_base + (state->y * virge->s3d.z_str);
for (; y_count > 0; y_count--)
{
int x = state->x1 >> 20;
@ -2104,7 +2178,10 @@ static void tri(virge_t *virge, s3d_state_t *state, int yc, int32_t dx1, int32_t
uint32_t z = state->base_z;
if (x != xe && (x_dir > 0 && x < xe) || (x_dir < 0 && x > xe))
{
uint32_t dest_addr, z_addr;
int dx = (x_dir > 0) ? 8 - ((state->x1 >> 16) & 0xf) : ((state->x1 >> 16) & 0xf) - 8;
int x_offset = x_dir << bpp;
state->r = state->base_r + ((virge->s3d.TdRdX * dx) >> 4);
state->g = state->base_g + ((virge->s3d.TdGdX * dx) >> 4);
state->b = state->base_b + ((virge->s3d.TdBdX * dx) >> 4);
@ -2116,10 +2193,67 @@ static void tri(virge_t *virge, s3d_state_t *state, int yc, int32_t dx1, int32_t
z += ((virge->s3d.TdZdX * dx) >> 4);
// pclog("Draw Y=%i X=%i to XE=%i %i %08x %08x %08x %08x %08x %08x %08x %08x %i %08x\n", state->y, x, xe, dx, state->x1, state->x2, dx1, virge->s3d.TdWdX, state->u, state->v, virge->s3d.TdUdX, virge->s3d.TdUdY, dx, (virge->s3d.TdUdX * dx) >> 4);
if (virge->s3d.cmd_set & CMD_SET_HC)
{
if (x_dir > 0)
{
if (x > virge->s3d.clip_r)
goto tri_skip_line;
if (xe < virge->s3d.clip_l)
goto tri_skip_line;
if (xe > virge->s3d.clip_r)
xe = virge->s3d.clip_r;
if (x < virge->s3d.clip_l)
{
int diff_x = virge->s3d.clip_l - x;
z += (virge->s3d.TdZdX * diff_x);
state->u += (virge->s3d.TdUdX * diff_x);
state->v += (virge->s3d.TdVdX * diff_x);
state->r += (virge->s3d.TdRdX * diff_x);
state->g += (virge->s3d.TdGdX * diff_x);
state->b += (virge->s3d.TdBdX * diff_x);
state->a += (virge->s3d.TdAdX * diff_x);
state->d += (virge->s3d.TdDdX * diff_x);
state->w += (virge->s3d.TdWdX * diff_x);
x = virge->s3d.clip_l;
}
}
else
{
if (x < virge->s3d.clip_l)
goto tri_skip_line;
if (xe > virge->s3d.clip_r)
goto tri_skip_line;
if (xe < virge->s3d.clip_l)
xe = virge->s3d.clip_l;
if (x > virge->s3d.clip_r)
{
int diff_x = x - virge->s3d.clip_r;
z += (virge->s3d.TdZdX * diff_x);
state->u += (virge->s3d.TdUdX * diff_x);
state->v += (virge->s3d.TdVdX * diff_x);
state->r += (virge->s3d.TdRdX * diff_x);
state->g += (virge->s3d.TdGdX * diff_x);
state->b += (virge->s3d.TdBdX * diff_x);
state->a += (virge->s3d.TdAdX * diff_x);
state->d += (virge->s3d.TdDdX * diff_x);
state->w += (virge->s3d.TdWdX * diff_x);
x = virge->s3d.clip_r;
}
}
}
virge->svga.changedvram[(dest_offset & 0x3fffff) >> 12] = changeframecount;
dest_addr = dest_offset + (x << bpp);
z_addr = z_offset + (x << bpp);
for (; x != ((xe + x_dir) & 0xfff); x = (x + x_dir) & 0xfff)
{
uint32_t dest_addr = dest_offset + (x << bpp);
uint32_t z_addr = z_offset + (x << bpp);
int update = 1;
int16_t src_z;
_x = x; _y = state->y;
@ -2129,14 +2263,12 @@ static void tri(virge_t *virge, s3d_state_t *state, int yc, int32_t dx1, int32_t
src_z = Z_READ(z_addr);
Z_CLIP(src_z, z >> 16);
}
CLIP(x, state->y);
if (update)
{
int dest_r, dest_g, dest_b, dest_a;
uint32_t dest_col;
dest_pixel(state, &dest_r, &dest_g, &dest_b, &dest_a);
dest_pixel(state);
if (virge->s3d.cmd_set & CMD_SET_ABC_ENABLE)
{
@ -2158,9 +2290,9 @@ static void tri(virge_t *virge, s3d_state_t *state, int yc, int32_t dx1, int32_t
break;
}
dest_r = ((dest_r * dest_a) + (src_r * (255 - dest_a))) / 255;
dest_g = ((dest_g * dest_a) + (src_g * (255 - dest_a))) / 255;
dest_b = ((dest_b * dest_a) + (src_b * (255 - dest_a))) / 255;
state->dest_rgba.r = ((state->dest_rgba.r * state->dest_rgba.a) + (src_r * (255 - state->dest_rgba.a))) / 255;
state->dest_rgba.g = ((state->dest_rgba.g * state->dest_rgba.a) + (src_g * (255 - state->dest_rgba.a))) / 255;
state->dest_rgba.b = ((state->dest_rgba.b * state->dest_rgba.a) + (src_b * (255 - state->dest_rgba.a))) / 255;
}
switch (bpp)
@ -2169,14 +2301,12 @@ static void tri(virge_t *virge, s3d_state_t *state, int yc, int32_t dx1, int32_t
/*Not implemented yet*/
break;
case 1: /*16 bpp*/
dest_col = RGB15(dest_r, dest_g, dest_b);
*(uint16_t *)&vram[dest_addr & 0x3fffff] = dest_col;
virge->svga.changedvram[(dest_addr & 0x3fffff) >> 12] = changeframecount;
dest_col = RGB15(state->dest_rgba.r, state->dest_rgba.g, state->dest_rgba.b);
*(uint16_t *)&vram[dest_addr] = dest_col;
break;
case 2: /*24 bpp*/
dest_col = RGB24(dest_r, dest_g, dest_b);
*(uint32_t *)&vram[dest_addr & 0x3fffff] = dest_col;
virge->svga.changedvram[(dest_addr & 0x3fffff) >> 12] = changeframecount;
dest_col = RGB24(state->dest_rgba.r, state->dest_rgba.g, state->dest_rgba.b);
*(uint32_t *)&vram[dest_addr] = dest_col;
break;
}
@ -2193,9 +2323,12 @@ static void tri(virge_t *virge, s3d_state_t *state, int yc, int32_t dx1, int32_t
state->a += virge->s3d.TdAdX;
state->d += virge->s3d.TdDdX;
state->w += virge->s3d.TdWdX;
dest_addr += x_offset;
z_addr += x_offset;
virge->pixel_count++;
}
}
tri_skip_line:
state->x1 += dx1;
state->x2 += dx2;
state->base_u += virge->s3d.TdUdY;
@ -2231,7 +2364,10 @@ static void s3_virge_triangle(virge_t *virge)
uint32_t tex_base;
int c;
uint64_t start_time = timer_read();
uint64_t end_time;
state.tbu = virge->s3d.tbu << 11;
state.tbv = virge->s3d.tbv << 11;
@ -2347,19 +2483,20 @@ static void s3_virge_triangle(virge_t *virge)
switch ((virge->s3d.cmd_set >> 5) & 7)
{
case 0:
tex_read = tex_ARGB8888;
tex_read = (virge->s3d.cmd_set & CMD_SET_TWE) ? tex_ARGB8888 : tex_ARGB8888_nowrap;
break;
case 1:
tex_read = tex_ARGB4444;
tex_read = (virge->s3d.cmd_set & CMD_SET_TWE) ? tex_ARGB4444 : tex_ARGB4444_nowrap;
// pclog("tex_ARGB4444\n");
break;
case 2:
tex_read = tex_ARGB1555;
tex_read = (virge->s3d.cmd_set & CMD_SET_TWE) ? tex_ARGB1555 : tex_ARGB1555_nowrap;
// pclog("tex_ARGB1555 %i\n", (virge->s3d.cmd_set >> 5) & 7);
break;
default:
pclog("bad texture type %i\n", (virge->s3d.cmd_set >> 5) & 7);
tex_read = tex_ARGB1555;
tex_read = (virge->s3d.cmd_set & CMD_SET_TWE) ? tex_ARGB1555 : tex_ARGB1555_nowrap;
break;
}
// pclog("Triangle %i %i,%i to %i,%i %08x\n", y, x1 >> 20, y, virge->s3d.txend01 >> 20, y - (virge->s3d.ty01 + virge->s3d.ty12), state.cmd_set);
@ -2372,6 +2509,10 @@ static void s3_virge_triangle(virge_t *virge)
tri(virge, &state, virge->s3d.ty12, virge->s3d.TdXdY02, virge->s3d.TdXdY12);
virge->tri_count++;
end_time = timer_read();
virge_time += end_time - start_time;
}
@ -2693,11 +2834,20 @@ static int s3_virge_add_status_info(char *s, int max_len, void *p)
int cur_len;
char temps[256];
uint64_t new_time = timer_read();
uint64_t status_diff = new_time - status_time;
status_time = new_time;
if (!status_diff)
status_diff = 1;
cur_len = svga_add_status_info(s, cur_len, &virge->svga);
sprintf(temps, "%f Mpixels/sec\n%f ktris/sec\n", (double)virge->pixel_count/1000000.0, (double)virge->tri_count/1000.0);
sprintf(temps, "%f Mpixels/sec\n%f ktris/sec\n%f%% CPU\n%f%% CPU (real)\n%d writes", (double)virge->pixel_count/1000000.0, (double)virge->tri_count/1000.0, ((double)virge_time * 100.0) / timer_freq, ((double)virge_time * 100.0) / status_diff, reg_writes);
strncat(s, temps, cur_len);
cur_len -= strlen(temps);
virge->pixel_count = virge->tri_count = 0;
virge_time = 0;
reg_writes = 0;
return max_len - cur_len;
}

14
src/win.c
View file

@ -31,6 +31,8 @@
#include "win-d3d-fs.h"
//#include "win-opengl.h"
uint64_t timer_freq;
static struct
{
void (*init)(HWND h);
@ -264,6 +266,13 @@ void set_window_title(char *s)
SetWindowText(ghwnd, s);
}
uint64_t timer_read()
{
LARGE_INTEGER qpc_time;
QueryPerformanceCounter(&qpc_time);
return qpc_time.QuadPart;
}
int WINAPI WinMain (HINSTANCE hThisInstance,
HINSTANCE hPrevInstance,
LPSTR lpszArgument,
@ -274,6 +283,7 @@ int WINAPI WinMain (HINSTANCE hThisInstance,
MSG messages; /* Here messages to the application are saved */
WNDCLASSEX wincl; /* Data structure for the windowclass */
int c, d;
LARGE_INTEGER qpc_freq;
hinstance=hThisInstance;
/* The Window structure */
@ -436,6 +446,10 @@ InitializeCriticalSection(&cs);
install_int_ex(vsyncint,BPS_TO_TIMER(100));
updatewindowsize(640, 480);
QueryPerformanceFrequency(&qpc_freq);
timer_freq = qpc_freq.QuadPart;
// focus=1;
// setrefresh(100);