diff options
Diffstat (limited to 'src/gallium/winsys/egl_drm/intel/intel_device.c')
| -rw-r--r-- | src/gallium/winsys/egl_drm/intel/intel_device.c | 137 |
1 files changed, 137 insertions, 0 deletions
diff --git a/src/gallium/winsys/egl_drm/intel/intel_device.c b/src/gallium/winsys/egl_drm/intel/intel_device.c new file mode 100644 index 0000000000..7496c1bb30 --- /dev/null +++ b/src/gallium/winsys/egl_drm/intel/intel_device.c @@ -0,0 +1,137 @@ +/************************************************************************** + * + * Copyright 2003 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 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 TUNGSTEN 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 "utils.h" + +#include "state_tracker/st_public.h" +#include "i915simple/i915_screen.h" + +#include "intel_context.h" +#include "intel_device.h" +#include "intel_batchbuffer.h" +#include "intel_egl.h" + + +extern const struct dri_extension card_extensions[]; + + +int +intel_create_device(struct egl_drm_device *device) +{ + struct intel_device *intel_device; + + /* Allocate the private area */ + intel_device = CALLOC_STRUCT(intel_device); + if (!intel_device) + return FALSE; + + device->priv = (void *)intel_device; + intel_device->device = device; + + intel_device->deviceID = device->deviceID; + + intel_be_init_device(&intel_device->base, device->drmFD, PCI_CHIP_I945_GM); + + intel_device->pipe = i915_create_screen(&intel_device->base.base, intel_device->deviceID); + + /* hack */ + driInitExtensions(NULL, card_extensions, GL_FALSE); + + return TRUE; +} + +int +intel_destroy_device(struct egl_drm_device *device) +{ + struct intel_device *intel_device = (struct intel_device *)device->priv; + + intel_be_destroy_device(&intel_device->base); + + free(intel_device); + device->priv = NULL; + + return TRUE; +} + +int +intel_create_drawable(struct egl_drm_drawable *drawable, + const __GLcontextModes * visual) +{ + enum pipe_format colorFormat, depthFormat, stencilFormat; + struct intel_framebuffer *intelfb = CALLOC_STRUCT(intel_framebuffer); + + if (!intelfb) + return GL_FALSE; + + intelfb->screen = drawable->device->priv; + + if (visual->redBits == 5) + colorFormat = PIPE_FORMAT_R5G6B5_UNORM; + else + colorFormat = PIPE_FORMAT_A8R8G8B8_UNORM; + + if (visual->depthBits == 16) + depthFormat = PIPE_FORMAT_Z16_UNORM; + else if (visual->depthBits == 24) + depthFormat = PIPE_FORMAT_S8Z24_UNORM; + else + depthFormat = PIPE_FORMAT_NONE; + + if (visual->stencilBits == 8) + stencilFormat = PIPE_FORMAT_S8Z24_UNORM; + else + stencilFormat = PIPE_FORMAT_NONE; + + intelfb->stfb = st_create_framebuffer(visual, + colorFormat, + depthFormat, + stencilFormat, + drawable->w, + drawable->h, + (void*) intelfb); + + if (!intelfb->stfb) { + free(intelfb); + return GL_FALSE; + } + + drawable->priv = (void *) intelfb; + return GL_TRUE; +} + +int +intel_destroy_drawable(struct egl_drm_drawable *drawable) +{ + struct intel_framebuffer *intelfb = (struct intel_framebuffer *)drawable->priv; + drawable->priv = NULL; + + assert(intelfb->stfb); + st_unreference_framebuffer(&intelfb->stfb); + free(intelfb); + return TRUE; +} |