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

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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@ -10,9 +10,6 @@ CLIP_ZMAX equ (1<<5)
align 16 align 16
proc gl_transform_to_viewport uses eax ebx ecx, context:dword,v:dword proc gl_transform_to_viewport uses eax ebx ecx, context:dword,v:dword
locals
point dd ?
endl
mov eax,[context] mov eax,[context]
mov ebx,[v] mov ebx,[v]
@ -64,17 +61,19 @@ align 4
; texture ; texture
cmp dword[eax+offs_cont_texture_2d_enabled],0 cmp dword[eax+offs_cont_texture_2d_enabled],0
je @f je @f
mov dword[point],dword(ZB_POINT_S_MAX - ZB_POINT_S_MIN) mov eax,[eax+offs_cont_current_texture] ;eax = &context.current_texture
fild dword[point] mov eax,[eax] ;eax = context.current_texture
fmul dword[ebx+offs_vert_tex_coord] ;st0 *= v.tex_coord.X ;[eax+offs_text_images] = im = &context.current_texture.images[0]
fistp dword[ebx+offs_vert_zp+offs_zbup_s]
add dword[ebx+offs_vert_zp+offs_zbup_s],ZB_POINT_S_MIN
mov dword[point],dword(ZB_POINT_T_MAX - ZB_POINT_T_MIN) fild dword[eax+offs_text_images+offs_imag_s_bound]
fild dword[point] fmul dword[ebx+offs_vert_tex_coord+offs_X]
fmul dword[ebx+offs_vert_tex_coord+offs_Y] ;st0 *= v.tex_coord.Y fistp dword[ebx+offs_vert_zp+offs_zbup_s]
;v.zp.s=(int)(v.tex_coord.X * im.s_bound)
fild dword[eax+offs_text_images+offs_imag_t_bound]
fmul dword[ebx+offs_vert_tex_coord+offs_Y]
fistp dword[ebx+offs_vert_zp+offs_zbup_t] fistp dword[ebx+offs_vert_zp+offs_zbup_t]
add dword[ebx+offs_vert_zp+offs_zbup_t],ZB_POINT_T_MIN ;v.zp.t=(int)(v.tex_coord.Y * im.t_bound)
@@: @@:
ret ret
endp endp
@ -1042,10 +1041,11 @@ end if
if PROFILE eq 1 if PROFILE eq 1
inc dword[count_triangles_textured] inc dword[count_triangles_textured]
end if end if
mov eax,dword[edx+offs_cont_current_texture] mov eax,[edx+offs_cont_current_texture]
mov eax,[eax] ;переход по указателю mov eax,[eax] ;переход по указателю
;так как offs_text_images+offs_imag_pixmap = 0 то context.current_texture.images[0].pixmap = [eax] ;так как offs_text_images+offs_imag_pixmap = 0 то context.current_texture.images[0].pixmap = [eax]
stdcall ZB_setTexture, dword[edx+offs_cont_zb],dword[eax] stdcall ZB_setTexture, [edx+offs_cont_zb], [eax],\
[eax+offs_imag_s_bound],[eax+offs_imag_t_bound],[eax+offs_imag_xsize_log2]
mov eax,[p0] mov eax,[p0]
add eax,offs_vert_zp add eax,offs_vert_zp
push ecx push ecx

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@ -244,3 +244,20 @@ align 4
popad popad
ret ret
endp endp
align 4
proc gl_getPervPowerOfTwo uses ebx, n:dword
mov ebx,[n]
mov eax,(1 shl ZB_POINT_TEXEL_SIZE) ;max size
cmp ebx,eax
jge .set
@@:
shr eax,1
cmp ebx,eax
jl @b
cmp eax,8 ;min size
jge .set
mov eax,8
.set:
ret
endp

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@ -32,24 +32,28 @@ proc glopMaterial uses eax ebx ecx edi esi, context:dword, p:dword
;add edi,offs_mate_emission ;offs_mate_emission=0 ;add edi,offs_mate_emission ;offs_mate_emission=0
rep movsd rep movsd
jmp .end_f jmp .end_f
align 4
@@: @@:
cmp ebx,GL_AMBIENT cmp ebx,GL_AMBIENT
jne @f jne @f
add edi,offs_mate_ambient add edi,offs_mate_ambient
rep movsd rep movsd
jmp .end_f jmp .end_f
align 4
@@: @@:
cmp ebx,GL_DIFFUSE cmp ebx,GL_DIFFUSE
jne @f jne @f
add edi,offs_mate_diffuse add edi,offs_mate_diffuse
rep movsd rep movsd
jmp .end_f jmp .end_f
align 4
@@: @@:
cmp ebx,GL_SPECULAR cmp ebx,GL_SPECULAR
jne @f jne @f
add edi,offs_mate_specular add edi,offs_mate_specular
rep movsd rep movsd
jmp .end_f jmp .end_f
align 4
@@: @@:
cmp ebx,GL_SHININESS cmp ebx,GL_SHININESS
jne @f jne @f
@ -61,6 +65,7 @@ proc glopMaterial uses eax ebx ecx edi esi, context:dword, p:dword
fimul dword[edi] fimul dword[edi]
fistp dword[edi] ;m.shininess_i = (v[0]/128.0f)*SPECULAR_BUFFER_RESOLUTION fistp dword[edi] ;m.shininess_i = (v[0]/128.0f)*SPECULAR_BUFFER_RESOLUTION
jmp .end_f jmp .end_f
align 4
@@: @@:
cmp ebx,GL_AMBIENT_AND_DIFFUSE cmp ebx,GL_AMBIENT_AND_DIFFUSE
jne @f jne @f
@ -71,6 +76,7 @@ proc glopMaterial uses eax ebx ecx edi esi, context:dword, p:dword
mov ecx,4 mov ecx,4
rep movsd rep movsd
jmp .end_f jmp .end_f
align 4
@@: ;default @@: ;default
; assert(0); ; assert(0);
.end_f: .end_f:
@ -115,6 +121,7 @@ pushad
mov ecx,4 mov ecx,4
rep movsd ;l.ambient=v rep movsd ;l.ambient=v
jmp .end_f jmp .end_f
align 4
@@: @@:
cmp ecx,GL_DIFFUSE cmp ecx,GL_DIFFUSE
jne @f jne @f
@ -125,6 +132,7 @@ pushad
mov ecx,4 mov ecx,4
rep movsd ;l.diffuse=v rep movsd ;l.diffuse=v
jmp .end_f jmp .end_f
align 4
@@: @@:
cmp ecx,GL_SPECULAR cmp ecx,GL_SPECULAR
jne @f jne @f
@ -135,6 +143,7 @@ pushad
mov ecx,4 mov ecx,4
rep movsd ;l.specular=v rep movsd ;l.specular=v
jmp .end_f jmp .end_f
align 4
@@: @@:
cmp ecx,GL_POSITION cmp ecx,GL_POSITION
jne @f jne @f
@ -168,6 +177,7 @@ pushad
ffree st0 ffree st0
fincstp fincstp
jmp .end_f jmp .end_f
align 4
@@: @@:
cmp ecx,GL_SPOT_DIRECTION cmp ecx,GL_SPOT_DIRECTION
jne @f jne @f
@ -188,12 +198,14 @@ pushad
add edx,offs_ligh_norm_spot_direction add edx,offs_ligh_norm_spot_direction
stdcall gl_V3_Norm,edx stdcall gl_V3_Norm,edx
jmp .end_f jmp .end_f
align 4
@@: @@:
cmp ecx,GL_SPOT_EXPONENT cmp ecx,GL_SPOT_EXPONENT
jne @f jne @f
mov ecx,[ebx+12] mov ecx,[ebx+12]
mov [edi+offs_ligh_spot_exponent],ecx ;l.spot_exponent=p[3] mov [edi+offs_ligh_spot_exponent],ecx ;l.spot_exponent=p[3]
jmp .end_f jmp .end_f
align 4
@@: @@:
cmp ecx,GL_SPOT_CUTOFF cmp ecx,GL_SPOT_CUTOFF
jne .end_spot_c jne .end_spot_c
@ -214,24 +226,28 @@ pushad
ffree st0 ffree st0
fincstp fincstp
jmp .end_f jmp .end_f
align 4
.end_spot_c: .end_spot_c:
cmp ecx,GL_CONSTANT_ATTENUATION cmp ecx,GL_CONSTANT_ATTENUATION
jne @f jne @f
mov ecx,[ebx+12] mov ecx,[ebx+12]
mov [edi+offs_ligh_attenuation],ecx ;l->attenuation[0]=p[3] mov [edi+offs_ligh_attenuation],ecx ;l->attenuation[0]=p[3]
jmp .end_f jmp .end_f
align 4
@@: @@:
cmp ecx,GL_LINEAR_ATTENUATION cmp ecx,GL_LINEAR_ATTENUATION
jne @f jne @f
mov ecx,[ebx+12] mov ecx,[ebx+12]
mov [edi+offs_ligh_attenuation+4],ecx ;l->attenuation[1]=p[3] mov [edi+offs_ligh_attenuation+4],ecx ;l->attenuation[1]=p[3]
jmp .end_f jmp .end_f
align 4
@@: @@:
cmp ecx,GL_QUADRATIC_ATTENUATION cmp ecx,GL_QUADRATIC_ATTENUATION
jne @f jne @f
mov ecx,[ebx+12] mov ecx,[ebx+12]
mov [edi+offs_ligh_attenuation+8],ecx ;l->attenuation[2]=p[3] mov [edi+offs_ligh_attenuation+8],ecx ;l->attenuation[2]=p[3]
jmp .end_f jmp .end_f
align 4
@@: ;default: @@: ;default:
; assert(0); ; assert(0);
.end_f: .end_f:
@ -254,18 +270,21 @@ proc glopLightModel uses ebx ecx esi edi, context:dword, p:dword
add edi,offs_cont_ambient_light_model add edi,offs_cont_ambient_light_model
rep movsd ;for(i=0;i<4;i++) context.ambient_light_model.v[i]=v[i] rep movsd ;for(i=0;i<4;i++) context.ambient_light_model.v[i]=v[i]
jmp .end_f jmp .end_f
align 4
@@: @@:
cmp ebx,GL_LIGHT_MODEL_LOCAL_VIEWER cmp ebx,GL_LIGHT_MODEL_LOCAL_VIEWER
jne @f jne @f
fld dword[esi] ;st0 = p[2] fld dword[esi] ;st0 = p[2]
fistp dword[edi+offs_cont_local_light_model] fistp dword[edi+offs_cont_local_light_model]
jmp .end_f jmp .end_f
align 4
@@: @@:
cmp ebx,GL_LIGHT_MODEL_TWO_SIDE cmp ebx,GL_LIGHT_MODEL_TWO_SIDE
jne @f jne @f
fld dword[esi] ;st0 = p[2] fld dword[esi] ;st0 = p[2]
fistp dword[edi+offs_cont_light_model_two_side] fistp dword[edi+offs_cont_light_model_two_side]
jmp .end_f jmp .end_f
align 4
@@: ;default: @@: ;default:
; tgl_warning("glopLightModel: illegal pname: 0x%x\n", ebx); ; tgl_warning("glopLightModel: illegal pname: 0x%x\n", ebx);
; //assert(0); ; //assert(0);
@ -287,6 +306,7 @@ local .end_m
fincstp fincstp
mov eax,0.0 mov eax,0.0
jmp .end_m ;return 0.0 jmp .end_m ;return 0.0
align 4
.o_1: .o_1:
fld1 ;else if (a>=1.0) fld1 ;else if (a>=1.0)
fcompp fcompp
@ -295,6 +315,7 @@ local .end_m
ja .o_2 ja .o_2
mov eax,1.0 mov eax,1.0
jmp .end_m ;return 1.0 jmp .end_m ;return 1.0
align 4
.o_2: .o_2:
mov eax,dword a ;else return a mov eax,dword a ;else return a
.end_m: .end_m:
@ -323,6 +344,7 @@ proc gl_enable_disable_light uses eax ebx ecx, context:dword, light:dword, v:dwo
mov [eax+offs_cont_first_light],ebx ;context.first_light = l mov [eax+offs_cont_first_light],ebx ;context.first_light = l
mov dword[ebx+offs_ligh_prev],0 ;l.prev = NULL mov dword[ebx+offs_ligh_prev],0 ;l.prev = NULL
jmp .end_f jmp .end_f
align 4
@@: @@:
xor ecx,ecx xor ecx,ecx
cmp dword[v],0 cmp dword[v],0
@ -339,6 +361,7 @@ proc gl_enable_disable_light uses eax ebx ecx, context:dword, light:dword, v:dwo
jne .els_0 jne .els_0
mov [eax+offs_cont_first_light],ecx ;context.first_light = l.next mov [eax+offs_cont_first_light],ecx ;context.first_light = l.next
jmp @f jmp @f
align 4
.els_0: .els_0:
mov eax,[ebx+offs_ligh_prev] mov eax,[ebx+offs_ligh_prev]
mov [eax+offs_ligh_next],ecx ;l.prev.next = l.next mov [eax+offs_ligh_next],ecx ;l.prev.next = l.next
@ -356,7 +379,7 @@ align 4
fl_1e_3 dd 1.0e-3 fl_1e_3 dd 1.0e-3
; non optimized lightening model ; non optimized lightening model
align 4 align 16
proc gl_shade_vertex, context:dword, v:dword proc gl_shade_vertex, context:dword, v:dword
locals locals
R dd ? ;float ebp-96 R dd ? ;float ebp-96
@ -452,6 +475,7 @@ pushad
mov [d+offs_Z],eax ;d.Z=l.norm_position.v[2] mov [d+offs_Z],eax ;d.Z=l.norm_position.v[2]
mov dword[att],1.0 mov dword[att],1.0
jmp .els_0_end jmp .els_0_end
align 4
.els_0: .els_0:
; distance attenuation ; distance attenuation
ffree st0 ;l.position.v[3] ffree st0 ;l.position.v[3]
@ -577,6 +601,7 @@ pushad
fincstp fincstp
mov ebx,[ebx+offs_ligh_next] mov ebx,[ebx+offs_ligh_next]
jmp .cycle_0 ;continue jmp .cycle_0 ;continue
align 4
.els_1: .els_1:
; TODO: optimize ; TODO: optimize
fld dword[ebx+offs_ligh_spot_exponent] fld dword[ebx+offs_ligh_spot_exponent]
@ -602,6 +627,7 @@ pushad
fmul dword[att] fmul dword[att]
fstp dword[att] ;att=att*pow(dot_spot,l.spot_exponent) fstp dword[att] ;att=att*pow(dot_spot,l.spot_exponent)
jmp .if1_end_f1 jmp .if1_end_f1
align 4
@@: @@:
ffree st0 ;l.spot_exponent ffree st0 ;l.spot_exponent
fincstp fincstp
@ -632,6 +658,7 @@ pushad
fsub dword[vcoord+offs_Z] fsub dword[vcoord+offs_Z]
fstp dword[s+offs_Z] ;s.Z=d.Z-vcoord.Z fstp dword[s+offs_Z] ;s.Z=d.Z-vcoord.Z
jmp .els_2_end jmp .els_2_end
align 4
.els_2: .els_2:
mov eax,[d] mov eax,[d]
mov [s],eax ;s.X=d.X mov [s],eax ;s.X=d.X
@ -734,6 +761,7 @@ pushad
fincstp fincstp
mov ebx,[ebx+offs_ligh_next] mov ebx,[ebx+offs_ligh_next]
jmp .cycle_0 jmp .cycle_0
align 4
.cycle_0_end: .cycle_0_end:
clampf [R],0,1 clampf [R],0,1

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@ -209,6 +209,8 @@ proc glopTexImage2D, context:dword, p:dword
locals locals
pixels1 dd ? pixels1 dd ?
do_free dd ? do_free dd ?
aligned_width dd ?
aligned_height dd ?
endl endl
pushad pushad
mov edi,[p] mov edi,[p]
@ -236,22 +238,30 @@ pushad
stdcall dbg_print,sz_glTexImage2D,err_8 ;"glTexImage2D: combinaison of parameters not handled" stdcall dbg_print,sz_glTexImage2D,err_8 ;"glTexImage2D: combinaison of parameters not handled"
@@: @@:
stdcall gl_getPervPowerOfTwo,edx
mov [aligned_width],eax
stdcall gl_getPervPowerOfTwo,esi
mov [aligned_height],eax
mov dword[do_free],0 mov dword[do_free],0
cmp edx,256 cmp edx,[aligned_width]
jne .else jne .else
cmp esi,256 cmp esi,[aligned_height]
jne .else jne .else
mov eax,[edi+36] mov eax,[edi+36]
mov [pixels1],eax ;pixels1=pixels mov [pixels1],eax ;pixels1=pixels
jmp @f jmp @f
.else: ;if (width != 256 || height != 256) align 4
stdcall gl_malloc, 256*256*3 .else: ;if (width != aligned_width || height != aligned_height)
mov [pixels1],eax ;pixels1 = gl_malloc(256 * 256 * 3) imul eax,[aligned_width]
imul eax,3
stdcall gl_malloc, eax
mov [pixels1],eax ;pixels1 = gl_malloc(aligned_width * aligned_height * 3)
; no interpolation is done here to respect the original image aliasing ! ; no interpolation is done here to respect the original image aliasing !
stdcall gl_resizeImage, eax,256,256,[edi+36],edx,esi stdcall gl_resizeImage, eax,[aligned_width],[aligned_height],[edi+36],edx,esi
mov dword[do_free],1 mov dword[do_free],1
mov edx,256 mov edx,[aligned_width]
mov esi,256 mov esi,[aligned_height]
@@: @@:
mov ecx,[context] mov ecx,[context]
@ -259,8 +269,29 @@ pushad
add ecx,offs_text_images add ecx,offs_text_images
imul ebx,sizeof.GLTexture imul ebx,sizeof.GLTexture
add ecx,ebx ;ecx = &context.current_texture.images[level] add ecx,ebx ;ecx = &context.current_texture.images[level]
mov dword[ecx+offs_imag_xsize],edx ;im.xsize=width mov [ecx+offs_imag_xsize],edx ;im.xsize=width
mov dword[ecx+offs_imag_ysize],esi ;im.ysize=height mov [ecx+offs_imag_ysize],esi ;im.ysize=height
mov ebx,edx
dec ebx
shl ebx,ZB_POINT_TEXEL_SIZE
mov [ecx+offs_imag_s_bound],ebx ;im.s_bound = (unsigned int)(width-1)
shr ebx,ZB_POINT_TEXEL_SIZE
mov dword[ecx+offs_imag_xsize_log2],ZB_POINT_TEXEL_SIZE
or ebx,ebx
jz .set_l2
@@:
dec dword[ecx+offs_imag_xsize_log2]
shr ebx,1
or ebx,ebx
jnz @b
.set_l2:
;im.xsize_log2 = ZB_POINT_TEXEL_SIZE-log_2(width)
dec esi
shl esi,ZB_POINT_TEXEL_SIZE
mov [ecx+offs_imag_t_bound],esi ;im.t_bound = (unsigned int)(height-1)
shr esi,ZB_POINT_TEXEL_SIZE
inc esi
cmp dword[ecx+offs_imag_pixmap],0 ;if (im.pixmap!=NULL) cmp dword[ecx+offs_imag_pixmap],0 ;if (im.pixmap!=NULL)
je @f je @f
stdcall gl_free, [ecx+offs_imag_pixmap] stdcall gl_free, [ecx+offs_imag_pixmap]

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@ -8,10 +8,8 @@ ZB_Z_BITS equ 16
ZB_POINT_Z_FRAC_BITS equ 14 ZB_POINT_Z_FRAC_BITS equ 14
ZB_POINT_S_MIN equ (1 shl 13) ZB_POINT_TEXEL_SIZE equ 12 ;точность множителя для вычисления координат текселя
ZB_POINT_S_MAX equ ( (1 shl 22)-(1 shl 13) ) ;влияет на максимальный размер текстуры
ZB_POINT_T_MIN equ (1 shl 21)
ZB_POINT_T_MAX equ ( (1 shl 30)-(1 shl 21) )
ZB_POINT_RED_MIN equ (1 shl 8) ZB_POINT_RED_MIN equ (1 shl 8)
ZB_POINT_RED_MAX equ ( (1 shl 16)-1 ) ZB_POINT_RED_MAX equ ( (1 shl 16)-1 )
@ -27,26 +25,7 @@ ZB_MODE_RGBA equ 3 ; 32 bit rgba mode
ZB_MODE_RGB24 equ 4 ; 24 bit rgb mode ZB_MODE_RGB24 equ 4 ; 24 bit rgb mode
ZB_NB_COLORS equ 225 ; number of colors for 8 bit display ZB_NB_COLORS equ 225 ; number of colors for 8 bit display
if TGL_FEATURE_RENDER_BITS eq 15 if TGL_FEATURE_RENDER_BITS eq 24
;#define RGB_TO_PIXEL(r,g,b) \
; ((((r) >> 1) & 0x7c00) | (((g) >> 6) & 0x03e0) | ((b) >> 11))
;typedef unsigned short PIXEL;
; bytes per pixel
;PSZB equ 2
; bits per pixel = (1 << PSZH)
;PSZSH equ 4
else if TGL_FEATURE_RENDER_BITS eq 16
; 16 bit mode
;#define RGB_TO_PIXEL(r,g,b) \
; (((r) & 0xF800) | (((g) >> 5) & 0x07E0) | ((b) >> 11))
;typedef unsigned short PIXEL;
;PSZB equ 2
;PSZSH equ 4
else if TGL_FEATURE_RENDER_BITS eq 24
macro RGB_TO_PIXEL r,g,b macro RGB_TO_PIXEL r,g,b
{ {
@ -94,6 +73,9 @@ struct ZBuffer
dctable dd ? ;*unsigned char dctable dd ? ;*unsigned char
ctable dd ? ;*int ctable dd ? ;*int
current_texture dd ? ;*PIXEL current_texture dd ? ;*PIXEL
s_log2 dd ? ;unsigned int
s_bound dd ? ;unsigned int
t_bound dd ? ;unsigned int
ends ends
offs_zbuf_xsize equ 0 offs_zbuf_xsize equ 0
@ -107,6 +89,9 @@ offs_zbuf_nb_colors equ 32
offs_zbuf_dctable equ 36 offs_zbuf_dctable equ 36
offs_zbuf_ctable equ 40 offs_zbuf_ctable equ 40
offs_zbuf_current_texture equ 44 offs_zbuf_current_texture equ 44
offs_zbuf_s_log2 equ 48
offs_zbuf_s_bound equ 52
offs_zbuf_t_bound equ 56
struct ZBufferPoint struct ZBufferPoint
x dd ? ;int ;integer coordinates in the zbuffer x dd ? ;int ;integer coordinates in the zbuffer

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@ -169,11 +169,17 @@ struct GLImage
pixmap dd ? ;void* pixmap dd ? ;void*
xsize dd ? ;int xsize dd ? ;int
ysize dd ? ;int ysize dd ? ;int
xsize_log2 dd ? ;unsigned int
s_bound dd ? ;unsigned int
t_bound dd ? ;unsigned int
ends ends
offs_imag_pixmap equ 0 offs_imag_pixmap equ 0
offs_imag_xsize equ 4 offs_imag_xsize equ 4
offs_imag_ysize equ 8 offs_imag_ysize equ 8
offs_imag_xsize_log2 equ 12
offs_imag_s_bound equ 16
offs_imag_t_bound equ 20
; textures ; textures

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@ -133,10 +133,17 @@ locals
include 'ztriangle.inc' include 'ztriangle.inc'
align 16 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 eax,[zb]
mov ebx,[texture] mov ebx,[texture]
mov dword[eax+offs_zbuf_current_texture],ebx 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 ret
endp endp
@ -146,8 +153,14 @@ INTERP_ST equ 1
macro DRAW_INIT macro DRAW_INIT
{ {
mov eax,[zb] mov eax,[zb]
mov eax,[eax+offs_zbuf_current_texture] mov ebx,[eax+offs_zbuf_current_texture]
mov [texture],eax 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 macro PUT_PIXEL _a
@ -161,11 +174,13 @@ local .end_0
mov word[esi+2*_a],ax ;пишем в буфер глубины новое значение mov word[esi+2*_a],ax ;пишем в буфер глубины новое значение
if TGL_FEATURE_RENDER_BITS eq 24 if TGL_FEATURE_RENDER_BITS eq 24
mov ebx,[t] 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] mov eax,[s]
and eax,0x003fc000 and eax,[s_bound]
shr eax,ZB_POINT_TEXEL_SIZE
or ebx,eax or ebx,eax
shr ebx,14
imul ebx,3 imul ebx,3
add ebx,[texture] ;ptr = texture + (((t & 0x3fc00000) | s) >> 14) * 3 add ebx,[texture] ;ptr = texture + (((t & 0x3fc00000) | s) >> 14) * 3
mov ax,word[ebx] mov ax,word[ebx]
@ -188,6 +203,9 @@ align 16
proc ZB_fillTriangleMapping, zb:dword, p0:dword, p1:dword, p2:dword proc ZB_fillTriangleMapping, zb:dword, p0:dword, p1:dword, p2:dword
locals locals
texture dd ? ;PIXEL* texture dd ? ;PIXEL*
s_log2 dd ? ;unsigned int
s_bound dd ? ;unsigned int
t_bound dd ? ;unsigned int
include 'ztriangle.inc' include 'ztriangle.inc'
; ;
@ -195,7 +213,6 @@ include 'ztriangle.inc'
; We use the gradient method to make less divisions. ; We use the gradient method to make less divisions.
; TODO: pipeline the division ; TODO: pipeline the division
; ;
if 1
INTERP_Z equ 1 INTERP_Z equ 1
INTERP_STZ equ 1 INTERP_STZ equ 1
@ -205,8 +222,14 @@ NB_INTERP equ 8
macro DRAW_INIT macro DRAW_INIT
{ {
mov eax,[zb] mov eax,[zb]
mov eax,[eax+offs_zbuf_current_texture] mov ebx,[eax+offs_zbuf_current_texture]
mov [texture],eax 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 mov dword[esp-4],NB_INTERP
fild dword[esp-4] fild dword[esp-4]
fild dword[dzdx] fild dword[dzdx]
@ -231,11 +254,13 @@ local .end_0
mov word[esi+2*_a],ax ;пишем в буфер глубины новое значение mov word[esi+2*_a],ax ;пишем в буфер глубины новое значение
if TGL_FEATURE_RENDER_BITS eq 24 if TGL_FEATURE_RENDER_BITS eq 24
mov ebx,[t] 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] mov eax,[s]
and eax,0x003fc000 and eax,[s_bound]
shr eax,ZB_POINT_TEXEL_SIZE
or ebx,eax or ebx,eax
shr ebx,14
imul ebx,3 imul ebx,3
add ebx,[texture] ;ptr = texture + (((t & 0x3fc00000) | (s & 0x003FC000)) >> 14) * 3 add ebx,[texture] ;ptr = texture + (((t & 0x3fc00000) | (s & 0x003FC000)) >> 14) * 3
mov ax,word[ebx] mov ax,word[ebx]
@ -367,64 +392,7 @@ locals
ndtzdx dd ? ;float ndtzdx dd ? ;float
zinv dd ? ;float zinv dd ? ;float
f_z dd ? ;float - переменная отвечающая за геометрию текстуры 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' 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