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Diffstat (limited to 'src/gallium/drivers/i965simple/brw_screen.c')
-rw-r--r--src/gallium/drivers/i965simple/brw_screen.c246
1 files changed, 246 insertions, 0 deletions
diff --git a/src/gallium/drivers/i965simple/brw_screen.c b/src/gallium/drivers/i965simple/brw_screen.c
new file mode 100644
index 0000000000..b22e105f10
--- /dev/null
+++ b/src/gallium/drivers/i965simple/brw_screen.c
@@ -0,0 +1,246 @@
+/**************************************************************************
+ *
+ * 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 "util/u_memory.h"
+#include "pipe/internal/p_winsys_screen.h"
+#include "util/u_string.h"
+#include "util/u_simple_screen.h"
+
+#include "brw_context.h"
+#include "brw_screen.h"
+#include "brw_tex_layout.h"
+
+
+static const char *
+brw_get_vendor( struct pipe_screen *screen )
+{
+ return "Tungsten Graphics, Inc.";
+}
+
+
+static const char *
+brw_get_name( struct pipe_screen *screen )
+{
+ static char buffer[128];
+ const char *chipset;
+
+ switch (brw_screen(screen)->pci_id) {
+ case PCI_CHIP_I965_Q:
+ chipset = "Intel(R) 965Q";
+ break;
+ case PCI_CHIP_I965_G:
+ case PCI_CHIP_I965_G_1:
+ chipset = "Intel(R) 965G";
+ break;
+ case PCI_CHIP_I965_GM:
+ chipset = "Intel(R) 965GM";
+ break;
+ case PCI_CHIP_I965_GME:
+ chipset = "Intel(R) 965GME/GLE";
+ break;
+ default:
+ chipset = "unknown";
+ break;
+ }
+
+ util_snprintf(buffer, sizeof(buffer), "i965 (chipset: %s)", chipset);
+ return buffer;
+}
+
+
+static int
+brw_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
+brw_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
+brw_is_format_supported( struct pipe_screen *screen,
+ enum pipe_format format,
+ enum pipe_texture_target target,
+ unsigned tex_usage,
+ unsigned geom_flags )
+{
+#if 0
+ /* XXX: This is broken -- rewrite if still needed. */
+ static const unsigned tex_supported[] = {
+ PIPE_FORMAT_R8G8B8A8_UNORM,
+ PIPE_FORMAT_A8R8G8B8_UNORM,
+ PIPE_FORMAT_R5G6B5_UNORM,
+ PIPE_FORMAT_L8_UNORM,
+ PIPE_FORMAT_A8_UNORM,
+ PIPE_FORMAT_I8_UNORM,
+ PIPE_FORMAT_L8A8_UNORM,
+ PIPE_FORMAT_YCBCR,
+ PIPE_FORMAT_YCBCR_REV,
+ PIPE_FORMAT_S8_Z24,
+ };
+
+
+ /* Actually a lot more than this - add later:
+ */
+ static const unsigned render_supported[] = {
+ PIPE_FORMAT_A8R8G8B8_UNORM,
+ PIPE_FORMAT_R5G6B5_UNORM,
+ };
+
+ /*
+ */
+ static const unsigned z_stencil_supported[] = {
+ PIPE_FORMAT_Z16_UNORM,
+ PIPE_FORMAT_Z32_UNORM,
+ PIPE_FORMAT_S8Z24_UNORM,
+ };
+
+ switch (type) {
+ case PIPE_RENDER_FORMAT:
+ *numFormats = Elements(render_supported);
+ return render_supported;
+
+ case PIPE_TEX_FORMAT:
+ *numFormats = Elements(tex_supported);
+ return render_supported;
+
+ case PIPE_Z_STENCIL_FORMAT:
+ *numFormats = Elements(render_supported);
+ return render_supported;
+
+ default:
+ *numFormats = 0;
+ return NULL;
+ }
+#else
+ switch (format) {
+ case PIPE_FORMAT_A8R8G8B8_UNORM:
+ case PIPE_FORMAT_R5G6B5_UNORM:
+ case PIPE_FORMAT_S8Z24_UNORM:
+ return TRUE;
+ default:
+ return FALSE;
+ };
+ return FALSE;
+#endif
+}
+
+
+static void
+brw_destroy_screen( struct pipe_screen *screen )
+{
+ struct pipe_winsys *winsys = screen->winsys;
+
+ if(winsys->destroy)
+ winsys->destroy(winsys);
+
+ FREE(screen);
+}
+
+
+/**
+ * Create a new brw_screen object
+ */
+struct pipe_screen *
+brw_create_screen(struct pipe_winsys *winsys, uint pci_id)
+{
+ struct brw_screen *brwscreen = CALLOC_STRUCT(brw_screen);
+
+ if (!brwscreen)
+ return NULL;
+
+ brwscreen->pci_id = pci_id;
+
+ brwscreen->screen.winsys = winsys;
+
+ brwscreen->screen.destroy = brw_destroy_screen;
+
+ brwscreen->screen.get_name = brw_get_name;
+ brwscreen->screen.get_vendor = brw_get_vendor;
+ brwscreen->screen.get_param = brw_get_param;
+ brwscreen->screen.get_paramf = brw_get_paramf;
+ brwscreen->screen.is_format_supported = brw_is_format_supported;
+
+ brw_init_screen_texture_funcs(&brwscreen->screen);
+ u_simple_screen_init(&brwscreen->screen);
+
+ return &brwscreen->screen;
+}