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authorBen Skeggs <skeggsb@gmail.com>2008-02-29 13:24:31 +1100
committerBen Skeggs <skeggsb@gmail.com>2008-02-29 13:24:31 +1100
commit8c77e6f674206ef34ab15026b08e495209dcd4ea (patch)
tree7d21d99eee6970b340bc7a3afedeadfc99dd5745 /src/gallium/drivers/i915simple/i915_screen.c
parent68ef52886263690632552ae187a4673945c2ab74 (diff)
parentebe3b34ad225e320a09bb4069ce4d24808386327 (diff)
Merge branch 'upstream-gallium-0.1' into nouveau-gallium-0.1
Diffstat (limited to 'src/gallium/drivers/i915simple/i915_screen.c')
-rw-r--r--src/gallium/drivers/i915simple/i915_screen.c250
1 files changed, 250 insertions, 0 deletions
diff --git a/src/gallium/drivers/i915simple/i915_screen.c b/src/gallium/drivers/i915simple/i915_screen.c
new file mode 100644
index 0000000000..8d7bf0b33e
--- /dev/null
+++ b/src/gallium/drivers/i915simple/i915_screen.c
@@ -0,0 +1,250 @@
+/**************************************************************************
+ *
+ * Copyright 2008 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 "pipe/p_util.h"
+#include "pipe/p_winsys.h"
+
+#include "i915_reg.h"
+#include "i915_context.h"
+#include "i915_screen.h"
+#include "i915_texture.h"
+
+
+static const char *
+i915_get_vendor( struct pipe_screen *pscreen )
+{
+ return "Tungsten Graphics, Inc.";
+}
+
+
+static const char *
+i915_get_name( struct pipe_screen *pscreen )
+{
+ static char buffer[128];
+ const char *chipset;
+
+ switch (i915_screen(pscreen)->pci_id) {
+ case PCI_CHIP_I915_G:
+ chipset = "915G";
+ break;
+ case PCI_CHIP_I915_GM:
+ chipset = "915GM";
+ break;
+ case PCI_CHIP_I945_G:
+ chipset = "945G";
+ break;
+ case PCI_CHIP_I945_GM:
+ chipset = "945GM";
+ break;
+ case PCI_CHIP_I945_GME:
+ chipset = "945GME";
+ break;
+ case PCI_CHIP_G33_G:
+ chipset = "G33";
+ break;
+ case PCI_CHIP_Q35_G:
+ chipset = "Q35";
+ break;
+ case PCI_CHIP_Q33_G:
+ chipset = "Q33";
+ break;
+ default:
+ chipset = "unknown";
+ break;
+ }
+
+ sprintf(buffer, "i915 (chipset: %s)", chipset);
+ return buffer;
+}
+
+
+static int
+i915_get_param(struct pipe_screen *screen, int param)
+{
+ switch (param) {
+ case PIPE_CAP_MAX_TEXTURE_IMAGE_UNITS:
+ return 8;
+ case PIPE_CAP_NPOT_TEXTURES:
+ return 1;
+ case PIPE_CAP_TWO_SIDED_STENCIL:
+ return 1;
+ case PIPE_CAP_GLSL:
+ return 0;
+ case PIPE_CAP_S3TC:
+ return 0;
+ case PIPE_CAP_ANISOTROPIC_FILTER:
+ return 0;
+ case PIPE_CAP_POINT_SPRITE:
+ return 0;
+ case PIPE_CAP_MAX_RENDER_TARGETS:
+ return 1;
+ case PIPE_CAP_OCCLUSION_QUERY:
+ return 0;
+ case PIPE_CAP_TEXTURE_SHADOW_MAP:
+ return 1;
+ case PIPE_CAP_MAX_TEXTURE_2D_LEVELS:
+ return 11; /* max 1024x1024 */
+ case PIPE_CAP_MAX_TEXTURE_3D_LEVELS:
+ return 8; /* max 128x128x128 */
+ case PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS:
+ return 11; /* max 1024x1024 */
+ default:
+ return 0;
+ }
+}
+
+
+static float
+i915_get_paramf(struct pipe_screen *screen, int param)
+{
+ switch (param) {
+ case PIPE_CAP_MAX_LINE_WIDTH:
+ /* fall-through */
+ case PIPE_CAP_MAX_LINE_WIDTH_AA:
+ return 7.5;
+
+ case PIPE_CAP_MAX_POINT_WIDTH:
+ /* fall-through */
+ case PIPE_CAP_MAX_POINT_WIDTH_AA:
+ return 255.0;
+
+ case PIPE_CAP_MAX_TEXTURE_ANISOTROPY:
+ return 4.0;
+
+ case PIPE_CAP_MAX_TEXTURE_LOD_BIAS:
+ return 16.0;
+
+ default:
+ return 0;
+ }
+}
+
+
+static boolean
+i915_is_format_supported( struct pipe_screen *screen,
+ enum pipe_format format, uint type )
+{
+ static const enum pipe_format tex_supported[] = {
+ PIPE_FORMAT_R8G8B8A8_UNORM,
+ PIPE_FORMAT_A8R8G8B8_UNORM,
+ PIPE_FORMAT_R5G6B5_UNORM,
+ PIPE_FORMAT_U_L8,
+ PIPE_FORMAT_U_A8,
+ PIPE_FORMAT_U_I8,
+ PIPE_FORMAT_U_A8_L8,
+ PIPE_FORMAT_YCBCR,
+ PIPE_FORMAT_YCBCR_REV,
+ PIPE_FORMAT_S8Z24_UNORM,
+ PIPE_FORMAT_NONE /* list terminator */
+ };
+ static const enum pipe_format surface_supported[] = {
+ PIPE_FORMAT_A8R8G8B8_UNORM,
+ PIPE_FORMAT_R5G6B5_UNORM,
+ PIPE_FORMAT_S8Z24_UNORM,
+ /*PIPE_FORMAT_R16G16B16A16_SNORM,*/
+ PIPE_FORMAT_NONE /* list terminator */
+ };
+ const enum pipe_format *list;
+ uint i;
+
+ switch (type) {
+ case PIPE_TEXTURE:
+ list = tex_supported;
+ break;
+ case PIPE_SURFACE:
+ list = surface_supported;
+ break;
+ default:
+ assert(0);
+ }
+
+ for (i = 0; list[i] != PIPE_FORMAT_NONE; i++) {
+ if (list[i] == format)
+ return TRUE;
+ }
+
+ return FALSE;
+}
+
+
+static void
+i915_destroy_screen( struct pipe_screen *screen )
+{
+ FREE(screen);
+}
+
+
+/**
+ * Create a new i915_screen object
+ */
+struct pipe_screen *
+i915_create_screen(struct pipe_winsys *winsys, uint pci_id)
+{
+ struct i915_screen *i915screen = CALLOC_STRUCT(i915_screen);
+
+ if (!i915screen)
+ return NULL;
+
+ switch (pci_id) {
+ case PCI_CHIP_I915_G:
+ case PCI_CHIP_I915_GM:
+ i915screen->is_i945 = FALSE;
+ break;
+
+ case PCI_CHIP_I945_G:
+ case PCI_CHIP_I945_GM:
+ case PCI_CHIP_I945_GME:
+ case PCI_CHIP_G33_G:
+ case PCI_CHIP_Q33_G:
+ case PCI_CHIP_Q35_G:
+ i915screen->is_i945 = TRUE;
+ break;
+
+ default:
+ winsys->printf(winsys,
+ "%s: unknown pci id 0x%x, cannot create screen\n",
+ __FUNCTION__, pci_id);
+ return NULL;
+ }
+
+ i915screen->pci_id = pci_id;
+
+ i915screen->screen.winsys = winsys;
+
+ i915screen->screen.destroy = i915_destroy_screen;
+
+ i915screen->screen.get_name = i915_get_name;
+ i915screen->screen.get_vendor = i915_get_vendor;
+ i915screen->screen.get_param = i915_get_param;
+ i915screen->screen.get_paramf = i915_get_paramf;
+ i915screen->screen.is_format_supported = i915_is_format_supported;
+
+ i915_init_screen_texture_functions(&i915screen->screen);
+
+ return &i915screen->screen;
+}