#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)
+via_alloc_draw_buffer(viaContextPtr vmesa, viaBuffer *buf)
{
- 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, "offset = %08x\n", vmesa->back.offset);
- fprintf(stderr, "index = %d\n", vmesa->back.index);
- }
-
- if (VIA_DEBUG) fprintf(stderr, "%s - out\n", __FUNCTION__);
-#endif
- return GL_TRUE;
-}
+ drm_via_mem_t mem;
+ mem.context = vmesa->hHWContext;
+ mem.size = buf->size;
+ mem.type = VIDEO;
-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;
+ if (ioctl(vmesa->driFd, DRM_IOCTL_VIA_ALLOCMEM, &mem))
+ 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, "offset = %08x\n", vmesa->front.offset);
- fprintf(stderr, "index = %d\n", vmesa->front.index);
- }
-
-
- if (VIA_DEBUG) fprintf(stderr, "%s - out\n", __FUNCTION__);
-#endif
- return GL_TRUE;
+ buf->offset = mem.offset;
+ buf->map = (char *)vmesa->driScreen->pFB + mem.offset;
+ buf->index = mem.index;
+ 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)
+via_free_draw_buffer(viaContextPtr vmesa, viaBuffer *buf)
{
- 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;
+ drm_via_mem_t mem;
- 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, "offset = %08x\n", vmesa->depth.offset);
- fprintf(stderr, "index = %d\n", vmesa->depth.index);
- }
+ if (!vmesa) return;
- if (VIA_DEBUG) fprintf(stderr, "%s - out\n", __FUNCTION__);
-#endif
- return GL_TRUE;
+ mem.context = vmesa->hHWContext;
+ mem.index = buf->index;
+ mem.type = VIDEO;
+ ioctl(vmesa->driFd, DRM_IOCTL_VIA_FREEMEM, &mem);
+ buf->map = NULL;
}
-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)
{
- drm_via_mem_t fb;
- drmVIADMABuf dma;
-#ifdef DEBUG
- if (VIA_DEBUG) fprintf(stderr, "%s - in\n", __FUNCTION__);
-#endif
- if (vmesa->viaScreen->agpLinearStart) {
- /* Allocate DMA in AGP memory*/
- fb.context = vmesa->hHWContext;
- fb.size = vmesa->dma[0].size;
- fb.type = AGP;
- if (!ioctl(vmesa->driFd, DRM_IOCTL_VIA_ALLOCMEM, &fb)) {
- vmesa->dma[0].offset = fb.offset;
- vmesa->dma[0].index = fb.index;
- vmesa->dma[0].map = (unsigned char *)((GLuint)vmesa->viaScreen->agpLinearStart + fb.offset);
- if (!ioctl(vmesa->driFd, DRM_IOCTL_VIA_ALLOCMEM, &fb)) {
- vmesa->dma[1].offset = fb.offset;
- vmesa->dma[1].index = fb.index;
- vmesa->dma[1].map = (unsigned char *)((GLuint)vmesa->viaScreen->agpLinearStart + fb.offset);
- vmesa->useAgp = GL_TRUE;
-
- return GL_TRUE;
- }
- else {
- /* release dma[0]*/
- return GL_FALSE;
- }
- }
- return GL_FALSE;
- }
- else {
- /* Allocate DMA in System memory */
- dma.size = vmesa->dma[0].size;
-
- if (drmVIAAllocateDMA(vmesa->driFd,&dma) < 0) {
- return GL_FALSE;
- }
-
- vmesa->dma[0].offset = 0;
- vmesa->dma[0].map = (unsigned char *)dma.address;
- vmesa->dma[0].index = dma.index;
-
- drmVIAAllocateDMA(vmesa->driFd, &dma);
+ drm_via_dma_init_t init;
- vmesa->dma[1].offset = 0;
- vmesa->dma[1].map = (unsigned char *)dma.address;
- vmesa->dma[1].index = dma.index;
- vmesa->useAgp = GL_FALSE;
-
- return GL_TRUE;
- }
-#ifdef DEBUG
- if (VIA_DEBUG) fprintf(stderr, "%s - out\n", __FUNCTION__);
-#endif
+ if (VIA_DEBUG) fprintf(stderr, "%s - in\n", __FUNCTION__);
+ vmesa->dma = (GLubyte *) 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 (VIA_DEBUG) {
+ if (vmesa->useAgp)
+ fprintf(stderr, "unichrome_dri.so: Using AGP.\n");
+ else
+ fprintf(stderr, "unichrome_dri.so: Using PCI.\n");
+
+ fprintf(stderr, "%s - out\n", __FUNCTION__);
+ }
+
+ return ((vmesa->dma) ? GL_TRUE : GL_FALSE);
}
void
via_free_dma_buffer(viaContextPtr vmesa)
{
- drmVIADMABuf dma;
- drm_via_mem_t fb;
-
-
if (!vmesa) return;
-
- /* Release AGP command buffer */
- if (vmesa->useAgp) {
- fb.context = vmesa->hHWContext;
- fb.index = vmesa->dma[0].index;
- fb.type = AGP;
- ioctl(vmesa->driFd, DRM_IOCTL_VIA_FREEMEM, &fb);
- vmesa->dma[0].map = NULL;
- fb.index = vmesa->dma[1].index;
- ioctl(vmesa->driFd, DRM_IOCTL_VIA_FREEMEM, &fb);
- vmesa->dma[1].map = NULL;
- }
- /* Release System command buffer */
- else {
-
- dma.address = (unsigned long *)vmesa->dma[0].map;
- /*=* John Sheng [2003.6.16] fix pci path *=*/
- dma.size = (unsigned int)vmesa->dma[0].size;
- drmVIAReleaseDMA(vmesa->driFd, &dma);
-
- dma.address = (unsigned long *)vmesa->dma[1].map;
- /*=* John Sheng [2003.6.16] fix pci path *=*/
- dma.size = (unsigned int)vmesa->dma[1].size;
- drmVIAReleaseDMA(vmesa->driFd, &dma);
- vmesa->dma[0].map = 0;
- vmesa->dma[1].map = 0;
- }
+ 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 *=*/
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;
}
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;
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