diff options
Diffstat (limited to 'src/mesa/drivers/dri/unichrome/via_fb.c')
-rw-r--r-- | src/mesa/drivers/dri/unichrome/via_fb.c | 373 |
1 files changed, 373 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/unichrome/via_fb.c b/src/mesa/drivers/dri/unichrome/via_fb.c new file mode 100644 index 0000000..9d9a5b1 --- /dev/null +++ b/src/mesa/drivers/dri/unichrome/via_fb.c @@ -0,0 +1,373 @@ +/* + * 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 <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, "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; +} + +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, "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; +} + +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, "offset = %08x\n", vmesa->depth.offset); + fprintf(stderr, "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) +{ + 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); + + 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 +} + +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; + } +} + +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; +} |