glFBDev driver from embedded-2 branch.

Probably won't be actively used/maintained, but bring it to the trunk so
it doesn't get lost.

1 files changed, 145 insertions, 0 deletions

diff --git a/include/GL/glfbdev.h b/include/GL/glfbdev.h
new file mode 100644
index 0000000..cd6cdd5
--- /dev/null
+++ b/include/GL/glfbdev.h
@@ -0,0 +1,145 @@
+/*
+ * Mesa 3-D graphics library
+ * Version:  5.1
+ *
+ * Copyright (C) 1999-2003  Brian Paul   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, 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 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
+ * BRIAN PAUL 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.
+ */
+
+
+#ifndef GLFBDEV_H
+#define GLFBDEV_H
+
+
+/* avoid including linux/fb.h */
+struct fb_fix_screeninfo;
+struct fb_var_screeninfo;
+
+
+/* public types */
+typedef struct GLFBDevVisualRec *GLFBDevVisualPtr;
+typedef struct GLFBDevBufferRec *GLFBDevBufferPtr;
+typedef struct GLFBDevContextRec *GLFBDevContextPtr;
+
+
+/* API version */
+#define GLFBDEV_VERSION_1_0       1
+
+
+/* For glFBDevCreateVisual */
+#define GLFBDEV_DOUBLE_BUFFER   100
+#define GLFBDEV_COLOR_INDEX     101
+#define GLFBDEV_DEPTH_SIZE      102
+#define GLFBDEV_STENCIL_SIZE    103
+#define GLFBDEV_ACCUM_SIZE      104
+#define GLFBDEV_LEVEL           105
+#define GLFBDEV_NONE              0
+
+/* For glFBDevGetString */
+#define GLFBDEV_VERSION         200
+#define GLFBDEV_VENDOR          201
+
+
+/* Misc functions */
+
+extern const char *
+glFBDevGetString( int str );
+
+
+extern const void *
+glFBDevGetProcAddress( const char *procName );
+
+
+
+/**
+ * Create a GLFBDevVisual.
+ * \param fixInfo - needed to get the visual types, etc.
+ * \param varInfo - needed to get the bits_per_pixel, etc.
+ * \param attribs - for requesting depth, stencil, accum buffers, etc.
+ */
+extern GLFBDevVisualPtr
+glFBDevCreateVisual( const struct fb_fix_screeninfo *fixInfo,
+                     const struct fb_var_screeninfo *varInfo,
+                     const int *attribs );
+
+extern void
+glFBDevDestroyVisual( GLFBDevVisualPtr visual );
+
+extern int
+glFBDevGetVisualAttrib( const GLFBDevVisualPtr visual, int attrib);
+
+
+
+/**
+ * Create a GLFBDevBuffer.
+ * \param fixInfo, varInfo - needed in order to get the screen size
+ * (resolution), etc.
+ * \param visual - as returned by glFBDevCreateVisual()
+ * \param frontBuffer - address of front color buffer
+ * \param backBuffer - address of back color buffer (may be NULL)
+ * \param size - size of the color buffer(s) in bytes.
+ */
+extern GLFBDevBufferPtr
+glFBDevCreateBuffer( const struct fb_fix_screeninfo *fixInfo,
+                     const struct fb_var_screeninfo *varInfo,
+                     const GLFBDevVisualPtr visual,
+                     void *frontBuffer, void *backBuffer, size_t size );
+
+extern void
+glFBDevDestroyBuffer( GLFBDevBufferPtr buffer );
+
+extern int
+glFBDevGetBufferAttrib( const GLFBDevBufferPtr buffer, int attrib);
+
+extern GLFBDevBufferPtr
+glFBDevGetCurrentDrawBuffer( void );
+
+extern GLFBDevBufferPtr
+glFBDevGetCurrentReadBuffer( void );
+
+extern void
+glFBDevSwapBuffers( GLFBDevBufferPtr buffer );
+
+
+
+/**
+ * Create a GLFBDevContext.
+ * \param visual - as created by glFBDevCreateVisual.
+ * \param share - specifies another context with which to share textures,
+ * display lists, etc. (may be NULL).
+ */
+extern GLFBDevContextPtr
+glFBDevCreateContext( const GLFBDevVisualPtr visual, GLFBDevContextPtr share );
+
+extern void
+glFBDevDestroyContext( GLFBDevContextPtr context );
+
+extern int
+glFBDevGetContextAttrib( const GLFBDevContextPtr context, int attrib);
+
+extern GLFBDevContextPtr
+glFBDevGetCurrentContext( void );
+
+extern int
+glFBDevMakeCurrent( GLFBDevContextPtr context,
+                    GLFBDevBufferPtr drawBuffer,
+                    GLFBDevBufferPtr readBuffer );
+
+
+#endif /* GLFBDEV_H */