summaryrefslogtreecommitdiff
path: root/src/mesa/drivers/dri/i965/brw_tex.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/mesa/drivers/dri/i965/brw_tex.c')
-rw-r--r--src/mesa/drivers/dri/i965/brw_tex.c158
1 files changed, 158 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_tex.c b/src/mesa/drivers/dri/i965/brw_tex.c
new file mode 100644
index 0000000000..d70b2ea87a
--- /dev/null
+++ b/src/mesa/drivers/dri/i965/brw_tex.c
@@ -0,0 +1,158 @@
+/*
+ Copyright (C) Intel Corp. 2006. All Rights Reserved.
+ Intel funded Tungsten Graphics (http://www.tungstengraphics.com) to
+ develop this 3D driver.
+
+ 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, sublicense, 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 NONINFRINGEMENT.
+ IN NO EVENT SHALL THE COPYRIGHT OWNER(S) 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.
+
+ **********************************************************************/
+ /*
+ * Authors:
+ * Keith Whitwell <keith@tungstengraphics.com>
+ */
+
+
+#include "glheader.h"
+#include "mtypes.h"
+#include "imports.h"
+#include "simple_list.h"
+#include "enums.h"
+#include "image.h"
+#include "texstore.h"
+#include "texformat.h"
+#include "texmem.h"
+
+#include "intel_ioctl.h"
+#include "brw_context.h"
+#include "brw_defines.h"
+
+
+
+
+static const struct gl_texture_format *
+brwChooseTextureFormat( GLcontext *ctx, GLint internalFormat,
+ GLenum format, GLenum type )
+{
+ switch ( internalFormat ) {
+ case 4:
+ case GL_RGBA:
+ case GL_COMPRESSED_RGBA:
+ case GL_RGBA8:
+ case GL_RGB10_A2:
+ case GL_RGBA12:
+ case GL_RGBA16:
+ case GL_RGBA4:
+ case GL_RGBA2:
+ case GL_RGB5_A1:
+ return &_mesa_texformat_argb8888;
+/* return &_mesa_texformat_rgba8888_rev; */
+
+ case 3:
+ case GL_RGB:
+ case GL_COMPRESSED_RGB:
+ case GL_RGB8:
+ case GL_RGB10:
+ case GL_RGB12:
+ case GL_RGB16:
+ case GL_RGB5:
+ case GL_RGB4:
+ case GL_R3_G3_B2:
+/* return &_mesa_texformat_rgb888; */
+ return &_mesa_texformat_argb8888;
+
+ case GL_ALPHA:
+ case GL_ALPHA4:
+ case GL_ALPHA8:
+ case GL_ALPHA12:
+ case GL_ALPHA16:
+ case GL_COMPRESSED_ALPHA:
+ return &_mesa_texformat_a8;
+
+ case 1:
+ case GL_LUMINANCE:
+ case GL_LUMINANCE4:
+ case GL_LUMINANCE8:
+ case GL_LUMINANCE12:
+ case GL_LUMINANCE16:
+ case GL_COMPRESSED_LUMINANCE:
+ return &_mesa_texformat_l8;
+
+ case 2:
+ case GL_LUMINANCE_ALPHA:
+ case GL_LUMINANCE4_ALPHA4:
+ case GL_LUMINANCE6_ALPHA2:
+ case GL_LUMINANCE8_ALPHA8:
+ case GL_LUMINANCE12_ALPHA4:
+ case GL_LUMINANCE12_ALPHA12:
+ case GL_LUMINANCE16_ALPHA16:
+ case GL_COMPRESSED_LUMINANCE_ALPHA:
+ return &_mesa_texformat_al88;
+
+ case GL_INTENSITY:
+ case GL_INTENSITY4:
+ case GL_INTENSITY8:
+ case GL_INTENSITY12:
+ case GL_INTENSITY16:
+ case GL_COMPRESSED_INTENSITY:
+ return &_mesa_texformat_i8;
+
+ case GL_YCBCR_MESA:
+ if (type == GL_UNSIGNED_SHORT_8_8_MESA ||
+ type == GL_UNSIGNED_BYTE)
+ return &_mesa_texformat_ycbcr;
+ else
+ return &_mesa_texformat_ycbcr_rev;
+
+ case GL_COMPRESSED_RGB_FXT1_3DFX:
+ case GL_COMPRESSED_RGBA_FXT1_3DFX:
+ return &_mesa_texformat_rgb_fxt1;
+
+ case GL_RGB_S3TC:
+ case GL_RGB4_S3TC:
+ case GL_RGBA_S3TC:
+ case GL_RGBA4_S3TC:
+ case GL_COMPRESSED_RGBA_S3TC_DXT3_EXT:
+ case GL_COMPRESSED_RGBA_S3TC_DXT5_EXT:
+ case GL_COMPRESSED_RGBA_S3TC_DXT1_EXT:
+ case GL_COMPRESSED_RGB_S3TC_DXT1_EXT:
+ return &_mesa_texformat_rgb_dxt1; /* there is no rgba support? */
+
+ case GL_DEPTH_COMPONENT:
+ case GL_DEPTH_COMPONENT16:
+ case GL_DEPTH_COMPONENT24:
+ case GL_DEPTH_COMPONENT32:
+ return &_mesa_texformat_z16;
+
+ default:
+ fprintf(stderr, "unexpected texture format %s in %s\n",
+ _mesa_lookup_enum_by_nr(internalFormat),
+ __FUNCTION__);
+ return NULL;
+ }
+
+ return NULL; /* never get here */
+}
+
+
+void brwInitTextureFuncs( struct dd_function_table *functions )
+{
+ functions->ChooseTextureFormat = brwChooseTextureFormat;
+}