/************************************************************************** Copyright 2004 Tungsten Graphics Inc., Cedar Park, Texas. All Rights Reserved. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation on the rights to use, copy, modify, merge, publish, distribute, sub license, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice (including the next paragraph) shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL ATI, TUNGSTEN GRAPHICS AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. **************************************************************************/ #define GLOBL( x ) \ .globl x; \ x: .data .align 4 GLOBL ( _x86_Vertex1fv ) ;; v already in eax push %edi push %esi movl (0x0), %edi ; load vbptr movl (%eax), %edx ; load v[0] movl %edx, (%edi) ; vbptr[0] = v[0] addl $4, %edi ; vbptr += 1 movl $0x0, %ecx ; vertex_size - 1 movl $0x0, %esi ; tnl->vtx.vertex + 1 repz movsl %ds:(%esi), %es:(%edi) movl %edi, (0) ; save vbptr movl (0), %edx ; load counter pop %esi pop %edi dec %edx ; counter-- movl %edx, (0) ; save counter je .5 ; if (counter != 0) ret ; return .5: jmp *0 ; else notify(); GLOBL ( _x86_Vertex1fv_end ) GLOBL ( _x86_Vertex2fv ) ;; v already in eax push %edi push %esi movl (0x0), %edi ; load vbptr movl (%eax), %edx ; load v[0] movl 4(%eax), %ecx ; load v[1] movl %edx, (%edi) ; vbptr[0] = v[0] movl %ecx, 4(%edi) ; vbptr[1] = v[1] addl $8, %edi ; vbptr += 2 movl $0x0, %ecx ; vertex_size - 2 movl $0x0, %esi ; tnl->vtx.vertex + 2 repz movsl %ds:(%esi), %es:(%edi) movl %edi, (0) ; save vbptr movl (0), %edx ; load counter pop %esi pop %edi dec %edx ; counter-- movl %edx, (0) ; save counter je .6 ; if (counter != 0) ret ; return .6: jmp *0 ; else notify(); GLOBL ( _x86_Vertex3fv_end ) GLOBL ( _x86_Vertex3fv ) ;; v already in eax push %edi push %esi movl (0x0), %edi ; load vbptr movl (%eax), %edx ; load v[0] movl 4(%eax), %ecx ; load v[1] movl 8(%eax), %esi ; load v[2] movl %edx, (%edi) ; vbptr[0] = v[0] movl %ecx, 4(%edi) ; vbptr[1] = v[1] movl %esi, 8(%edi) ; vbptr[2] = v[2] addl $12, %edi ; vbptr += 3 movl $0x0, %ecx ; vertex_size - 3 movl $0x0, %esi ; tnl->vtx.vertex + 3 repz movsl %ds:(%esi), %es:(%edi) movl %edi, (0) ; save vbptr movl (0), %edx ; load counter pop %esi pop %edi dec %edx ; counter-- movl %edx, (0) ; save counter je .7 ; if (counter != 0) ret ; return .7: jmp *0 ; else notify(); GLOBL ( _x86_Vertex3fv_end ) GLOBL ( _x86_Vertex4fv ) ;; v already in eax push %edi push %esi movl (0x0), %edi ; load vbptr movl (%eax), %edx ; load v[0] movl 4(%eax), %ecx ; load v[1] movl 8(%eax), %esi ; load v[2] movl %edx, (%edi) ; vbptr[0] = v[0] movl %ecx, 4(%edi) ; vbptr[1] = v[1] movl %esi, 8(%edi) ; vbptr[2] = v[2] movl 12(%eax), %esi ; load v[3] movl %esi, 12(%edi) ; vbptr[3] = v[3] addl $16, %edi ; vbptr += 4 movl $0x0, %ecx ; vertex_size - 4 movl $0x0, %esi ; tnl->vtx.vertex + 3 repz movsl %ds:(%esi), %es:(%edi) movl %edi, (0) ; save vbptr movl (0), %edx ; load counter pop %esi pop %edi dec %edx ; counter-- movl %edx, (0) ; save counter je .6 ; if (counter != 0) ret ; return .6: jmp *0 ; else notify(); GLOBL ( _x86_Vertex3fv_end ) /** * Generic handlers for vector format data. */ GLOBL( _x86_Attribute1fv) /* 'v' is already in eax */ movl (%eax), %ecx /* load v[0] */ movl %ecx, 0 /* store v[0] to current vertex */ ret GLOBL ( _x86_Attribute2fv_end ) GLOBL( _x86_Attribute2fv) /* 'v' is already in eax */ movl (%eax), %ecx /* load v[0] */ movl 4(%eax), %eax /* load v[1] */ movl %ecx, 0 /* store v[0] to current vertex */ movl %eax, 4 /* store v[1] to current vertex */ ret GLOBL ( _x86_Attribute2fv_end ) GLOBL( _x86_Attribute3fv) /* 'v' is already in eax */ movl (%eax), %ecx /* load v[0] */ movl 4(%eax), %edx /* load v[1] */ movl 8(%eax), %eax /* load v[2] */ movl %ecx, 0 /* store v[0] to current vertex */ movl %edx, 4 /* store v[1] to current vertex */ movl %eax, 8 /* store v[2] to current vertex */ ret GLOBL ( _x86_Attribute3fv_end ) GLOBL( _x86_Attribute4fv) /* 'v' is already in eax */ movl (%eax), %ecx /* load v[0] */ movl 4(%eax), %edx /* load v[1] */ movl %ecx, 0 /* store v[0] to current vertex */ movl %edx, 4 /* store v[1] to current vertex */ movl 8(%eax), %ecx /* load v[2] */ movl 12(%eax), %edx /* load v[3] */ movl %ecx, 8 /* store v[2] to current vertex */ movl %edx, 12 /* store v[3] to current vertex */ ret GLOBL ( _x86_Attribute3fv_end ) ;;; In the 1st level dispatch functions, switch to a different ;;; calling convention -- (const GLfloat *v) in %eax. ;;; ;;; As with regular (x86) dispatch, don't create a new stack frame - ;;; just let the 'ret' in the dispatched function return straight ;;; back to the original caller. ;;; Vertex/Normal/Color, etc: the address of the function pointer ;;; is known at codegen time. GLOBL( _x86_dispatch_attrf ) leal 4(%esp), %eax jmp *foo GLOBL( _x86_dispatch_attrf_end ) GLOBL( _x86_dispatch_attrfv ) movl 4(%esp), %eax jmp *foo GLOBL( _x86_dispatch_attr1f_end ) ;;; MultiTexcoord: the address of the function pointer must be ;;; calculated. GLOBL( _x86_dispatch_multitexcoordf ) leal 4(%esp), %eax jmp *foo GLOBL( _x86_dispatch_multitexcoordf_end ) GLOBL( _x86_dispatch_multitexcoordfv ) movl 4(%esp), %eax jmp *foo GLOBL( _x86_dispatch_multitexcoordfv_end ) ;;; VertexAttrib: the address of the function pointer must be ;;; calculated. GLOBL( _x86_dispatch_vertexattribf ) leal 4(%esp), %eax jmp *foo GLOBL( _x86_dispatch_vertexattribf_end ) GLOBL( _x86_dispatch_vertexattribfv ) movl 4(%esp), %eax jmp *foo GLOBL( _x86_dispatch_vertexattribfv_end )