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apply texture size -> 8,...,4096

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git-svn-id: svn://kolibrios.org@6243 a494cfbc-eb01-0410-851d-a64ba20cac60
This commit is contained in:
IgorA
2016-02-17 21:33:10 +00:00
parent d4aeb26207
commit 465434cb12
7 changed files with 156 additions and 121 deletions
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112
programs/develop/libraries/TinyGL/asm_fork/ztriangle.asm
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@@ -133,10 +133,17 @@ locals
include 'ztriangle.inc'
align 16
proc ZB_setTexture uses eax ebx, zb:dword, texture:dword
proc ZB_setTexture uses eax ebx, zb:dword, texture:dword,\
s_bound:dword, t_bound:dword, s_log2:dword
mov eax,[zb]
mov ebx,[texture]
mov dword[eax+offs_zbuf_current_texture],ebx
mov ebx,[s_log2]
mov dword[eax+offs_zbuf_s_log2],ebx
mov ebx,[s_bound]
mov dword[eax+offs_zbuf_s_bound],ebx
mov ebx,[t_bound]
mov dword[eax+offs_zbuf_t_bound],ebx
ret
endp
@@ -146,8 +153,14 @@ INTERP_ST equ 1
macro DRAW_INIT
{
mov eax,[zb]
mov eax,[eax+offs_zbuf_current_texture]
mov [texture],eax
mov ebx,[eax+offs_zbuf_current_texture]
mov [texture],ebx
mov ebx,[eax+offs_zbuf_s_log2]
mov [s_log2],ebx ;s_log2 = zb.s_log2
mov ebx,[eax+offs_zbuf_s_bound]
mov [s_bound],ebx ;s_bound = zb.s_bound
mov ebx,[eax+offs_zbuf_t_bound]
mov [t_bound],ebx ;t_bound = zb.t_bound
}
macro PUT_PIXEL _a
@@ -161,11 +174,13 @@ local .end_0
mov word[esi+2*_a],ax ;пишем в буфер глубины новое значение
if TGL_FEATURE_RENDER_BITS eq 24
mov ebx,[t]
and ebx,0x3fc00000
and ebx,[t_bound]
mov ecx,[s_log2]
shr ebx,cl ;(t & t_bound) >> s_log2
mov eax,[s]
and eax,0x003fc000
and eax,[s_bound]
shr eax,ZB_POINT_TEXEL_SIZE
or ebx,eax
shr ebx,14
imul ebx,3
add ebx,[texture] ;ptr = texture + (((t & 0x3fc00000) | s) >> 14) * 3
mov ax,word[ebx]
@@ -188,6 +203,9 @@ align 16
proc ZB_fillTriangleMapping, zb:dword, p0:dword, p1:dword, p2:dword
locals
texture dd ? ;PIXEL*
s_log2 dd ? ;unsigned int
s_bound dd ? ;unsigned int
t_bound dd ? ;unsigned int
include 'ztriangle.inc'
;
@@ -195,7 +213,6 @@ include 'ztriangle.inc'
; We use the gradient method to make less divisions.
; TODO: pipeline the division
;
if 1
INTERP_Z equ 1
INTERP_STZ equ 1
@@ -205,8 +222,14 @@ NB_INTERP equ 8
macro DRAW_INIT
{
mov eax,[zb]
mov eax,[eax+offs_zbuf_current_texture]
mov [texture],eax
mov ebx,[eax+offs_zbuf_current_texture]
mov [texture],ebx
mov ebx,[eax+offs_zbuf_s_log2]
mov [s_log2],ebx ;s_log2 = zb.s_log2
mov ebx,[eax+offs_zbuf_s_bound]
mov [s_bound],ebx ;s_bound = zb.s_bound
mov ebx,[eax+offs_zbuf_t_bound]
mov [t_bound],ebx ;t_bound = zb.t_bound
mov dword[esp-4],NB_INTERP
fild dword[esp-4]
fild dword[dzdx]
@@ -231,11 +254,13 @@ local .end_0
mov word[esi+2*_a],ax ;пишем в буфер глубины новое значение
if TGL_FEATURE_RENDER_BITS eq 24
mov ebx,[t]
and ebx,0x3fc00000
and ebx,[t_bound]
mov ecx,[s_log2]
shr ebx,cl ;(t & t_bound) >> s_log2
mov eax,[s]
and eax,0x003fc000
and eax,[s_bound]
shr eax,ZB_POINT_TEXEL_SIZE
or ebx,eax
shr ebx,14
imul ebx,3
add ebx,[texture] ;ptr = texture + (((t & 0x3fc00000) | (s & 0x003FC000)) >> 14) * 3
mov ax,word[ebx]
@@ -367,64 +392,7 @@ locals
ndtzdx dd ? ;float
zinv dd ? ;float
f_z dd ? ;float - переменная отвечающая за геометрию текстуры
s_log2 dd ? ;unsigned int
s_bound dd ? ;unsigned int
t_bound dd ? ;unsigned int
include 'ztriangle.inc'
end if
if 0
; slow but exact version (only there for reference, incorrect for 24
; bits)
INTERP_Z equ 1
INTERP_STZ equ 1
macro DRAW_INIT
{
mov eax,[zb]
mov eax,[eax+offs_zbuf_current_texture]
mov [texture],eax
}
macro PUT_PIXEL _a
{
local .end_0
mov eax,[z]
shr eax,ZB_POINT_Z_FRAC_BITS
cmp ax,word[esi+2*_a] ;if (zz >= pz[_a])
jl .end_0
;edi = pp
mov word[esi+2*_a],ax ;пишем в буфер глубины новое значение
fild dword[z]
fld dword[s_z]
fdiv st0,st1
fistp dword[esp-4] ;s = (int) (s_z / (float) z)
fld dword[t_z]
fdiv st0,st1
fistp dword[esp-8] ;t = (int) (t_z / (float) z)
mov eax,dword[esp-8]
and eax,0x3FC00000
or eax,dword[esp-4]
shr eax,12 ;14
add eax,[texture]
mov eax,[eax]
stosd ;pp[_a] = texture[((t & 0x3FC00000) | s) >> 14]
sub edi,4
.end_0:
mov eax,[dzdx]
add [z],eax
fld dword[dszdx]
fadd dword[s_z]
fstp dword[s_z]
fld dword,[dtzdx]
fadd dword[t_z]
fstp dword[t_z]
}
align 16
proc ZB_fillTriangleMappingPerspective, zb:dword, p0:dword, p1:dword, p2:dword
locals
texture dd ? ;PIXEL*
include 'ztriangle.inc'
end if