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/*
* Direct Rendering Support for SMedia Glamo 336x/337x
*
* (c) 2009 Thomas White <taw@bitwiz.org.uk>
* Roughly based on sis_context.h (c) 2003 Eric Anholt
*
* 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
* THE AUTHORS 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 __GLAMO_CONTEXT_H
#define __GLAMO_CONTEXT_H
#include "dri_util.h"
#include "utils.h"
#include "glamo_screen.h"
typedef struct glamo_context glamoContext;
typedef struct glamo_context *glamoContextPtr;
struct glamo_context {
GLcontext *glCtx; /* Must be first in this structure */
int drm_fd; /* DRM fd */
__DRIcontextPrivate *driContext; /* DRI context */
__DRIscreenPrivate *driScreen; /* DRI screen */
__DRIdrawablePrivate *driDrawable; /* DRI drawable bound to this ctx */
glamoScreenPtr glamoScreen; /* Screen private DRI data */
driOptionCache optionCache;
uint16_t *cmdq_drm; /* Command queue cache */
int cmdq_drm_used;
int cmdq_drm_size;
int cmdq_obj_used;
uint32_t *cmdq_objs;
unsigned int *cmdq_obj_pos;
/* Information about the current primitive */
struct {
GLuint id;
uint32_t primitive; /**< Current hardware primitive type */
void (*flush) (struct glamo_context *);
struct glamo_bo *vb_bo;
uint8_t *vb;
unsigned int start_offset; /**< Byte offset of start */
unsigned int current_offset; /**< Byte offset of next vertex */
unsigned int count; /**< Number of vertices */
} prim;
uint16_t col_clear;
};
#define GLAMO_CONTEXT(ctx) ((glamoContextPtr)(ctx->DriverCtx))
extern GLboolean glamoCreateContext(const __GLcontextModes *glVis,
__DRIcontext *driContextPriv,
void *sharedContextPrivate);
extern void glamoDestroyContext(__DRIcontext *dcp);
extern GLboolean glamoMakeCurrent(__DRIcontext *driContextPriv,
__DRIdrawable *driDrawPriv,
__DRIdrawable *driReadPriv);
extern GLboolean glamoUnbindContext(__DRIcontext *driContextPriv);
extern void glamo_update_renderbuffers(__DRIcontext *context,
__DRIdrawable *drawable);
#define GLAMO_PACKCOLOR565(r, g, b) \
((((r) & 0xf8) << 8) \
| (((g) & 0xfc) << 3) \
| (((b) & 0xf8) >> 3))
#endif /* __GLAMO_CONTEXT_H */
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