| /* |
| * Mesa 3-D graphics library |
| * Version: 7.1 |
| * |
| * Copyright (C) 1999-2008 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. |
| */ |
| |
| /* |
| * Authors: |
| * George Sapountzis <gsap7@yahoo.gr> |
| */ |
| |
| |
| #ifndef _SWRAST_PRIV_H |
| #define _SWRAST_PRIV_H |
| |
| #include <GL/gl.h> |
| #include <GL/internal/dri_interface.h> |
| #include "mtypes.h" |
| |
| |
| /** |
| * Debugging |
| */ |
| #define DEBUG_CORE 0 |
| #define DEBUG_SPAN 0 |
| |
| #if DEBUG_CORE |
| #define TRACE _mesa_printf("--> %s\n", __FUNCTION__) |
| #else |
| #define TRACE |
| #endif |
| |
| #if DEBUG_SPAN |
| #define TRACE_SPAN _mesa_printf("--> %s\n", __FUNCTION__) |
| #else |
| #define TRACE_SPAN |
| #endif |
| |
| |
| /** |
| * Data types |
| */ |
| struct __DRIscreenRec { |
| int num; |
| |
| const __DRIextension **extensions; |
| |
| const __DRIswrastLoaderExtension *swrast_loader; |
| }; |
| |
| struct __DRIcontextRec { |
| GLcontext Base; |
| |
| void *loaderPrivate; |
| |
| __DRIscreen *driScreenPriv; |
| }; |
| |
| struct __DRIdrawableRec { |
| GLframebuffer Base; |
| |
| void *loaderPrivate; |
| |
| __DRIscreen *driScreenPriv; |
| |
| /* scratch row for optimized front-buffer rendering */ |
| char *row; |
| }; |
| |
| struct swrast_renderbuffer { |
| struct gl_renderbuffer Base; |
| |
| /* renderbuffer pitch (in bytes) */ |
| GLuint pitch; |
| }; |
| |
| static INLINE __DRIcontext * |
| swrast_context(GLcontext *ctx) |
| { |
| return (__DRIcontext *) ctx; |
| } |
| |
| static INLINE __DRIdrawable * |
| swrast_drawable(GLframebuffer *fb) |
| { |
| return (__DRIdrawable *) fb; |
| } |
| |
| static INLINE struct swrast_renderbuffer * |
| swrast_renderbuffer(struct gl_renderbuffer *rb) |
| { |
| return (struct swrast_renderbuffer *) rb; |
| } |
| |
| |
| /** |
| * Pixel formats we support |
| */ |
| #define PF_CI8 1 /**< Color Index mode */ |
| #define PF_A8R8G8B8 2 /**< 32-bit TrueColor: 8-A, 8-R, 8-G, 8-B bits */ |
| #define PF_R5G6B5 3 /**< 16-bit TrueColor: 5-R, 6-G, 5-B bits */ |
| #define PF_R3G3B2 4 /**< 8-bit TrueColor: 3-R, 3-G, 2-B bits */ |
| |
| |
| /** |
| * Renderbuffer pitch alignment (in bits). |
| * |
| * The xorg loader requires padding images to 32 bits. However, this should |
| * become a screen/drawable parameter XXX |
| */ |
| #define PITCH_ALIGN_BITS 32 |
| |
| |
| /* swrast_span.c */ |
| |
| extern void |
| swrast_set_span_funcs_back(struct swrast_renderbuffer *xrb, |
| GLuint pixel_format); |
| |
| extern void |
| swrast_set_span_funcs_front(struct swrast_renderbuffer *xrb, |
| GLuint pixel_format); |
| |
| #endif /* _SWRAST_PRIV_H_ */ |