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Added configurable Voodoo framebuffer and texture memory.

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This commit is contained in:
TomW 2015-05-11 21:31:04 +01:00
commit 9e9cf8060a
1 changed files with 65 additions and 15 deletions
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80
src/vid_voodoo.c
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@ -220,6 +220,12 @@ typedef struct voodoo_t
int bilinear_enabled;
int fb_size;
uint32_t fb_mask;
int texture_size;
uint32_t texture_mask;
fifo_entry_t fifo[FIFO_SIZE];
int fifo_read_idx, fifo_write_idx;
int cmd_read, cmd_written;
@ -1356,8 +1362,8 @@ static void voodoo_half_triangle(voodoo_t *voodoo, voodoo_params_t *params, vood
for (c = 0; c <= LOD_MAX; c++)
{
state->tex_w[c] = &voodoo->tex_mem_w[(params->tex_base[c] >> 1) & 0xfffff];
state->tex[c] = &voodoo->tex_mem[params->tex_base[c] & 0x1fffff];
state->tex[c] = &voodoo->tex_mem[params->tex_base[c] & voodoo->texture_mask];
state->tex_w[c] = (uint16_t *)state->tex[c];
}
state->tformat = params->tformat;
@ -2274,7 +2280,7 @@ static void voodoo_fastfill(voodoo_t *voodoo, voodoo_params_t *params)
for (y = params->clipLowY; y < params->clipHighY; y++)
{
uint16_t *cbuf = (uint16_t *)&voodoo->fb_mem[(params->draw_offset + y*voodoo->row_width) & 0x1fffff];
uint16_t *cbuf = (uint16_t *)&voodoo->fb_mem[(params->draw_offset + y*voodoo->row_width) & voodoo->fb_mask];
int x;
for (x = params->clipLeft; x < params->clipRight; x++)
@ -2285,7 +2291,7 @@ static void voodoo_fastfill(voodoo_t *voodoo, voodoo_params_t *params)
{
for (y = params->clipLowY; y < params->clipHighY; y++)
{
uint16_t *abuf = (uint16_t *)&voodoo->fb_mem[(params->aux_offset + y*voodoo->row_width) & 0x1fffff];
uint16_t *abuf = (uint16_t *)&voodoo->fb_mem[(params->aux_offset + y*voodoo->row_width) & voodoo->fb_mask];
int x;
for (x = params->clipLeft; x < params->clipRight; x++)
@ -2929,10 +2935,10 @@ static uint16_t voodoo_fb_readw(uint32_t addr, void *p)
y = (addr >> 11) & 0x3ff;
read_addr = voodoo->fb_read_offset + (x << 1) + (y * voodoo->row_width);
if (read_addr >= 0x200000)
if (read_addr > voodoo->fb_mask)
return 0xffff;
temp = *(uint16_t *)(&voodoo->fb_mem[read_addr & 0x1fffff]);
temp = *(uint16_t *)(&voodoo->fb_mem[read_addr & voodoo->fb_mask]);
// pclog("voodoo_fb_readw : %08X %08X %i %i %08X %08X %08x:%08x %i\n", addr, temp, x, y, read_addr, *(uint32_t *)(&voodoo->fb_mem[4]), cs, pc, fb_reads++);
return temp;
@ -2948,10 +2954,10 @@ static uint32_t voodoo_fb_readl(uint32_t addr, void *p)
y = (addr >> 11) & 0x3ff;
read_addr = voodoo->fb_read_offset + x + (y * voodoo->row_width);
if (read_addr >= 0x200000)
if (read_addr > voodoo->fb_mask)
return 0xffffffff;
temp = *(uint32_t *)(&voodoo->fb_mem[read_addr & 0x1fffff]);
temp = *(uint32_t *)(&voodoo->fb_mem[read_addr & voodoo->fb_mask]);
// pclog("voodoo_fb_readl : %08X %08x %08X x=%i y=%i %08X %08X %08x:%08x %i ro=%08x rw=%i\n", addr, read_addr, temp, x, y, read_addr, *(uint32_t *)(&voodoo->fb_mem[4]), cs, pc, fb_reads++, voodoo->fb_read_offset, voodoo->row_width);
return temp;
@ -2994,9 +3000,9 @@ static void voodoo_fb_writew(uint32_t addr, uint16_t val, void *p)
while (count--)
{
if (write_mask & LFB_WRITE_COLOUR)
*(uint16_t *)(&voodoo->fb_mem[write_addr & 0x1ffffe]) = colour_data;
*(uint16_t *)(&voodoo->fb_mem[write_addr & voodoo->fb_mask]) = colour_data;
if (write_mask & LFB_WRITE_DEPTH)
*(uint16_t *)(&voodoo->fb_mem[write_addr_aux & 0x1ffffe]) = depth_data;
*(uint16_t *)(&voodoo->fb_mem[write_addr_aux & voodoo->fb_mask]) = depth_data;
colour_data >>= 16;
depth_data >>= 16;
@ -3056,9 +3062,9 @@ static void voodoo_fb_writel(uint32_t addr, uint32_t val, void *p)
while (count--)
{
if (write_mask & LFB_WRITE_COLOUR)
*(uint16_t *)(&voodoo->fb_mem[write_addr & 0x1ffffe]) = colour_data;
*(uint16_t *)(&voodoo->fb_mem[write_addr & voodoo->fb_mask]) = colour_data;
if (write_mask & LFB_WRITE_DEPTH)
*(uint16_t *)(&voodoo->fb_mem[write_addr_aux & 0x1ffffe]) = depth_data;
*(uint16_t *)(&voodoo->fb_mem[write_addr_aux & voodoo->fb_mask]) = depth_data;
colour_data >>= 16;
depth_data >>= 16;
@ -3100,7 +3106,7 @@ static void voodoo_tex_writel(uint32_t addr, uint32_t val, void *p)
addr = voodoo->params.tex_base[lod] + s*2 + (t << voodoo->params.tex_shift[lod])*2;
else
addr = voodoo->params.tex_base[lod] + s + (t << voodoo->params.tex_shift[lod]);
*(uint32_t *)(&voodoo->tex_mem[addr & 0x1fffff]) = val;
*(uint32_t *)(&voodoo->tex_mem[addr & voodoo->texture_mask]) = val;
}
static inline void queue_command(voodoo_t *voodoo, uint32_t addr_type, uint32_t val)
@ -3514,13 +3520,17 @@ void *voodoo_init()
memset(voodoo, 0, sizeof(voodoo_t));
voodoo->bilinear_enabled = device_get_config_int("bilinear");
voodoo->texture_size = device_get_config_int("texture_memory");
voodoo->texture_mask = (voodoo->texture_size << 20) - 1;
voodoo->fb_size = device_get_config_int("framebuffer_memory");
voodoo->fb_mask = (voodoo->fb_size << 20) - 1;
pci_add(voodoo_pci_read, voodoo_pci_write, voodoo);
mem_mapping_add(&voodoo->mapping, 0, 0, NULL, voodoo_readw, voodoo_readl, NULL, voodoo_writew, voodoo_writel, NULL, 0, voodoo);
voodoo->fb_mem = malloc(2 * 1024 * 1024);
voodoo->tex_mem = malloc(2 * 1024 * 1024);
voodoo->fb_mem = malloc(voodoo->fb_size * 1024 * 1024);
voodoo->tex_mem = malloc(voodoo->texture_size * 1024 * 1024);
voodoo->tex_mem_w = (uint16_t *)voodoo->tex_mem;
timer_add(voodoo_callback, &voodoo->timer_count, TIMER_ALWAYS_ENABLED, voodoo);
@ -3597,6 +3607,46 @@ void voodoo_close(void *p)
static device_config_t voodoo_config[] =
{
{
.name = "framebuffer_memory",
.description = "Framebuffer memory size",
.type = CONFIG_SELECTION,
.selection =
{
{
.description = "2 MB",
.value = 2
},
{
.description = "4 MB",
.value = 4
},
{
.description = ""
}
},
.default_int = 2
},
{
.name = "texture_memory",
.description = "Texture memory size",
.type = CONFIG_SELECTION,
.selection =
{
{
.description = "2 MB",
.value = 2
},
{
.description = "4 MB",
.value = 4
},
{
.description = ""
}
},
.default_int = 2
},
{
.name = "bilinear",
.description = "Bilinear filtering",