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/*
* Copyright 1998-2003 VIA Technologies, Inc. All Rights Reserved.
* Copyright 2001-2003 S3 Graphics, Inc. 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
* 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
* VIA, S3 GRAPHICS, AND/OR ITS 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.
*/
#include <assert.h>
#include "via_context.h"
#include "via_ioctl.h"
#include "via_fb.h"
#include "xf86drm.h"
#include <sys/ioctl.h>
GLboolean
via_alloc_back_buffer(viaContextPtr vmesa)
{
drm_via_mem_t fb;
unsigned char *pFB;
#ifdef DEBUG
if (VIA_DEBUG) fprintf(stderr, "%s - in\n", __FUNCTION__);
#endif
fb.context = vmesa->hHWContext;
fb.size = vmesa->back.size;
fb.type = VIDEO;
#ifdef DEBUG
if (VIA_DEBUG) fprintf(stderr, "context = %d, size =%d, type = %d\n", fb.context, fb.size, fb.type);
#endif
if (ioctl(vmesa->driFd, DRM_IOCTL_VIA_ALLOCMEM, &fb))
return GL_FALSE;
pFB = vmesa->driScreen->pFB;
vmesa->back.offset = fb.offset;
vmesa->back.map = (char *)(fb.offset + (GLuint)pFB);
vmesa->back.index = fb.index;
#ifdef DEBUG
if (VIA_DEBUG) {
fprintf(stderr, "back offset = %08x\n", vmesa->back.offset);
fprintf(stderr, "back index = %d\n", vmesa->back.index);
}
if (VIA_DEBUG) fprintf(stderr, "%s - out\n", __FUNCTION__);
#endif
return GL_TRUE;
}
GLboolean
via_alloc_front_buffer(viaContextPtr vmesa)
{
drm_via_mem_t fb;
unsigned char *pFB;
#ifdef DEBUG
if (VIA_DEBUG) fprintf(stderr, "%s - in\n", __FUNCTION__);
#endif
fb.context = vmesa->hHWContext;
fb.size = vmesa->back.size;
fb.type = VIDEO;
#ifdef DEBUG
if (VIA_DEBUG) fprintf(stderr, "context = %d, size =%d, type = %d\n", fb.context, fb.size, fb.type);
#endif
if (ioctl(vmesa->driFd, DRM_IOCTL_VIA_ALLOCMEM, &fb))
return GL_FALSE;
pFB = vmesa->driScreen->pFB;
vmesa->front.offset = fb.offset;
vmesa->front.map = (char *)(fb.offset + (GLuint)pFB);
vmesa->front.index = fb.index;
#ifdef DEBUG
if (VIA_DEBUG) {
fprintf(stderr, "front offset = %08x\n", vmesa->front.offset);
fprintf(stderr, "front index = %d\n", vmesa->front.index);
}
if (VIA_DEBUG) fprintf(stderr, "%s - out\n", __FUNCTION__);
#endif
return GL_TRUE;
}
void
via_free_back_buffer(viaContextPtr vmesa)
{
drm_via_mem_t fb;
if (!vmesa) return;
fb.context = vmesa->hHWContext;
fb.index = vmesa->back.index;
fb.type = VIDEO;
ioctl(vmesa->driFd, DRM_IOCTL_VIA_FREEMEM, &fb);
vmesa->back.map = NULL;
}
void
via_free_front_buffer(viaContextPtr vmesa)
{
drm_via_mem_t fb;
if (!vmesa) return;
fb.context = vmesa->hHWContext;
fb.index = vmesa->front.index;
fb.type = VIDEO;
ioctl(vmesa->driFd, DRM_IOCTL_VIA_FREEMEM, &fb);
vmesa->front.map = NULL;
}
GLboolean
via_alloc_depth_buffer(viaContextPtr vmesa)
{
drm_via_mem_t fb;
unsigned char *pFB;
#ifdef DEBUG
if (VIA_DEBUG) fprintf(stderr, "%s - in\n", __FUNCTION__);
#endif
fb.context = vmesa->hHWContext;
fb.size = vmesa->depth.size;
fb.type = VIDEO;
if (ioctl(vmesa->driFd, DRM_IOCTL_VIA_ALLOCMEM, &fb)) {
return GL_FALSE;
}
pFB = vmesa->driScreen->pFB;
vmesa->depth.offset = fb.offset;
vmesa->depth.map = (char *)(fb.offset + (GLuint)pFB);
vmesa->depth.index = fb.index;
#ifdef DEBUG
if (VIA_DEBUG) {
fprintf(stderr, "depth offset = %08x\n", vmesa->depth.offset);
fprintf(stderr, "depth index = %d\n", vmesa->depth.index);
}
if (VIA_DEBUG) fprintf(stderr, "%s - out\n", __FUNCTION__);
#endif
return GL_TRUE;
}
void
via_free_depth_buffer(viaContextPtr vmesa)
{
drm_via_mem_t fb;
if (!vmesa) return;
fb.context = vmesa->hHWContext;
fb.index = vmesa->depth.index;
fb.type = VIDEO;
ioctl(vmesa->driFd, DRM_IOCTL_VIA_FREEMEM, &fb);
vmesa->depth.map = NULL;
}
GLboolean
via_alloc_dma_buffer(viaContextPtr vmesa)
{
drmVIADMAInit init;
#ifdef DEBUG
if (VIA_DEBUG) fprintf(stderr, "%s - in\n", __FUNCTION__);
#endif
vmesa->dma = (GLuint *) malloc(VIA_DMA_BUFSIZ);
/*
* Check whether AGP DMA has been initialized.
*/
init.func = VIA_DMA_INITIALIZED;
vmesa->useAgp =
( 0 == drmCommandWrite(vmesa->driFd, DRM_VIA_DMA_INIT,
&init, sizeof(init)));
if (vmesa->useAgp)
printf("unichrome_dri.so: Using AGP.\n");
else
printf("unichrome_dri.so: Using PCI.\n");
#ifdef DEBUG
if (VIA_DEBUG) fprintf(stderr, "%s - out\n", __FUNCTION__);
#endif
return ((vmesa->dma) ? GL_TRUE : GL_FALSE);
}
void
via_free_dma_buffer(viaContextPtr vmesa)
{
if (!vmesa) return;
free(vmesa->dma);
vmesa->dma = 0;
}
GLboolean
via_alloc_texture(viaContextPtr vmesa, viaTextureObjectPtr t)
{
drm_via_mem_t fb;
#ifdef DEBUG
if (VIA_DEBUG) fprintf(stderr, "%s - in\n", __FUNCTION__);
#endif
fb.context = vmesa->hHWContext;
fb.size = t->texMem.size;
fb.type = VIDEO;
#ifdef DEBUG
if (VIA_DEBUG) {
fprintf(stderr, "texture size = %d\n", fb.size);
fprintf(stderr, "texture type = %d\n", fb.type);
}
#endif
if (ioctl(vmesa->driFd, DRM_IOCTL_VIA_ALLOCMEM, &fb)) {
fprintf(stderr, "via_alloc_texture fail\n");
return GL_FALSE;
}
t->texMem.offset = fb.offset;
t->texMem.index = fb.index;
#ifdef DEBUG
if (VIA_DEBUG) fprintf(stderr, "texture index = %d\n", (GLuint)fb.index);
#endif
t->bufAddr = (unsigned char *)(fb.offset + (GLuint)vmesa->driScreen->pFB);
#ifdef DEBUG
if (VIA_DEBUG) fprintf(stderr, "%s - out\n", __FUNCTION__);
#endif
return GL_TRUE;
}
/*=* John Sheng [2003.5.31] agp tex *=*/
GLboolean
via_alloc_texture_agp(viaContextPtr vmesa, viaTextureObjectPtr t)
{
drm_via_mem_t fb;
#ifdef DEBUG
if (VIA_DEBUG) fprintf(stderr, "%s - in\n", __FUNCTION__);
#endif
fb.context = vmesa->hHWContext;
fb.size = t->texMem.size;
fb.type = AGP;
#ifdef DEBUG
if (VIA_DEBUG) {
fprintf(stderr, "texture_agp size = %d\n", fb.size);
fprintf(stderr, "texture type = %d\n", fb.type);
}
#endif
if (ioctl(vmesa->driFd, DRM_IOCTL_VIA_ALLOCMEM, &fb)) {
fprintf(stderr, "via_alloc_texture_agp fail\n");
return GL_FALSE;
}
t->texMem.offset = fb.offset;
t->texMem.index = fb.index;
#ifdef DEBUG
if (VIA_DEBUG) fprintf(stderr, "texture agp index = %d\n", (GLuint)fb.index);
#endif
t->bufAddr = (unsigned char *)((GLuint)vmesa->viaScreen->agpLinearStart + fb.offset);
/*=* John Sheng [2003.5.31] agp tex *=*/
t->inAGP = GL_TRUE;
#ifdef DEBUG
if (VIA_DEBUG) fprintf(stderr, "%s - out\n", __FUNCTION__);
#endif
return GL_TRUE;
}
void
via_free_texture(viaContextPtr vmesa, viaTextureObjectPtr t)
{
drm_via_mem_t fb;
#ifdef DEBUG
if (VIA_DEBUG) {
fprintf(stderr, "via_free_texture: index = %d\n",
t->texMem.index);
fprintf(stderr, "via_free_texture: size = %d\n",
t->texMem.size);
}
#endif
if (!vmesa) {
fprintf(stderr, "!mesa\n");
return;
}
fb.context = vmesa->hHWContext;
fb.index = t->texMem.index;
/*=* John Sheng [2003.5.31] agp tex *=*/
if(t->inAGP)
fb.type = AGP;
else
fb.type = VIDEO;
if (ioctl(vmesa->driFd, DRM_IOCTL_VIA_FREEMEM, &fb)) {
if(vmesa->shareCtx) {
fb.context = ((viaContextPtr)((GLcontext *)(vmesa->shareCtx)->DriverCtx))->hHWContext;
if (ioctl(vmesa->driFd, DRM_IOCTL_VIA_FREEMEM, &fb)) {
fprintf(stderr, "via_free_texture fail\n");
}
}
else
fprintf(stderr, "via_free_texture fail\n");
}
t->bufAddr = NULL;
}
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