summaryrefslogtreecommitdiff
path: root/src/mesa
diff options
context:
space:
mode:
Diffstat (limited to 'src/mesa')
-rw-r--r--src/mesa/sources3
-rw-r--r--src/mesa/state_tracker/st_texobj.c101
-rw-r--r--src/mesa/state_tracker/st_texobj.h41
3 files changed, 144 insertions, 1 deletions
diff --git a/src/mesa/sources b/src/mesa/sources
index c0c4b35355..643e841b15 100644
--- a/src/mesa/sources
+++ b/src/mesa/sources
@@ -195,7 +195,8 @@ STATETRACKER_SOURCES = \
state_tracker/st_atom_viewport.c \
state_tracker/st_cb_program.c \
state_tracker/st_draw.c \
- state_tracker/st_context.c
+ state_tracker/st_context.c \
+ state_tracker/st_texobj.c
SHADER_SOURCES = \
shader/arbprogparse.c \
diff --git a/src/mesa/state_tracker/st_texobj.c b/src/mesa/state_tracker/st_texobj.c
new file mode 100644
index 0000000000..455e89b6bd
--- /dev/null
+++ b/src/mesa/state_tracker/st_texobj.c
@@ -0,0 +1,101 @@
+/**************************************************************************
+ *
+ * Copyright 2007 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.
+ *
+ **************************************************************************/
+
+/*
+ * Authors:
+ * Brian Paul
+ */
+
+#include "imports.h"
+#include "texformat.h"
+
+#include "st_context.h"
+#include "st_texobj.h"
+#include "pipe/p_defines.h"
+
+
+/**
+ * Create a pipe_texture_object from a Mesa texture object.
+ * Eventually, gl_texture_object may be derived from this...
+ */
+struct pipe_texture_object *
+create_texture_object(struct gl_texture_object *texObj)
+{
+ struct pipe_texture_object *pto;
+ const struct gl_texture_image *texImage;
+
+ pto = calloc(1, sizeof(*pto));
+ if (!pto)
+ return NULL;
+
+ assert(texObj->Complete);
+
+ switch (texObj->Target) {
+ case GL_TEXTURE_1D:
+ pto->type = PIPE_TEXTURE_1D;
+ break;
+ case GL_TEXTURE_2D:
+ pto->type = PIPE_TEXTURE_2D;
+ break;
+ case GL_TEXTURE_3D:
+ pto->type = PIPE_TEXTURE_3D;
+ break;
+ case GL_TEXTURE_CUBE_MAP:
+ pto->type = PIPE_TEXTURE_CUBE;
+ break;
+ default:
+ assert(0);
+ return NULL;
+ }
+
+ texImage = texObj->Image[0][texObj->BaseLevel];
+ assert(texImage);
+
+ switch (texImage->TexFormat->MesaFormat) {
+ case MESA_FORMAT_RGBA8888:
+ pto->format = PIPE_FORMAT_U_R8_G8_B8_A8;
+ break;
+ case MESA_FORMAT_RGB565:
+ pto->format = PIPE_FORMAT_U_R5_G6_B5;
+ break;
+
+ /* XXX fill in more formats */
+
+ default:
+ assert(0);
+ return NULL;
+ }
+
+ pto->width = texImage->Width;
+ pto->height = texImage->Height;
+ pto->depth = texImage->Depth;
+
+ /* XXX verify this */
+ pto->mipmapped = texObj->Image[0][texObj->BaseLevel + 1] != NULL;
+
+ return pto;
+}
diff --git a/src/mesa/state_tracker/st_texobj.h b/src/mesa/state_tracker/st_texobj.h
new file mode 100644
index 0000000000..3c66031018
--- /dev/null
+++ b/src/mesa/state_tracker/st_texobj.h
@@ -0,0 +1,41 @@
+/**************************************************************************
+ *
+ * Copyright 2007 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.
+ *
+ **************************************************************************/
+
+/*
+ * Authors:
+ * Brian Paul
+ */
+
+#ifndef ST_TEXOBJ_H
+#define ST_TEXOBJ_H 1
+
+
+extern struct pipe_texture_object *
+create_texture_object(struct gl_texture_object *texObj);
+
+
+#endif /* ST_TEXOBJ_H */