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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.c (c) 2003 Eric Anholt
* and radeon_common_context.c
*
* 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.
*/
#include "dri_util.h"
#include "utils.h"
#include "swrast/swrast.h"
#include "swrast_setup/swrast_setup.h"
#include "drivers/common/driverfuncs.h"
#include "vbo/vbo.h"
#include "tnl/tnl.h"
#include "tnl/t_pipeline.h"
#include "main/state.h"
#include "glamo_context.h"
#include "glamo_screen.h"
#include "glamo_state.h"
#include "glamo_fbo.h"
#include "glamo_tris.h"
#define DRIVER_DATE "20090402"
static const GLubyte *glamoGetString(GLcontext *ctx, GLenum name)
{
static char buffer[128];
switch (name) {
case GL_VENDOR:
return (GLubyte *)"Thomas White";
case GL_RENDERER: {
driGetRendererString(buffer, "glamo", DRIVER_DATE, 0);
return (GLubyte *) buffer;
}
default:
return 0;
}
}
/* Called when Mesa needs to know the size of the framebuffer */
static void glamoBufferSize(GLframebuffer *buffer,
GLuint *width, GLuint *height)
{
GET_CURRENT_CONTEXT(ctx);
glamoContextPtr glamo = GLAMO_CONTEXT(ctx);
*width = glamo->driDrawable->w;
*height = glamo->driDrawable->h;
}
GLboolean glamoCreateContext(const __GLcontextModes *glVisual,
__DRIcontext *driContextPriv,
void *sharedContextPrivate)
{
GLcontext *ctx, *shareCtx;
__DRIscreenPrivate *sPriv = driContextPriv->driScreenPriv;
glamoContextPtr context;
glamoScreenPtr glamoScreen;
struct dd_function_table functions;
context = (glamoContextPtr)CALLOC(sizeof(*context));
if ( context == NULL ) return GL_FALSE;
_mesa_init_driver_functions(&functions);
/* Allocate the Mesa context */
if ( sharedContextPrivate )
shareCtx = ((glamoContextPtr)sharedContextPrivate)->glCtx;
else
shareCtx = NULL;
context->glCtx = _mesa_create_context(glVisual, shareCtx,
&functions, (void *)context);
if ( context->glCtx == NULL ) {
FREE(context);
return GL_FALSE;
}
driContextPriv->driverPrivate = context;
ctx = context->glCtx;
glamoScreen = context->glamoScreen = (glamoScreenPtr)sPriv->private;
ctx->Driver.GetString = glamoGetString;
ctx->Driver.GetBufferSize = glamoBufferSize;
context->driContext = driContextPriv;
context->driScreen = sPriv;
context->driDrawable = NULL;
context->driFd = sPriv->fd;
/* Initialize the software rasterizer and helper modules. */
_swrast_CreateContext(ctx);
_vbo_CreateContext(ctx);
_tnl_CreateContext(ctx);
_swsetup_CreateContext(ctx);
/* use default TCL pipeline */
{
TNLcontext *tnl = TNL_CONTEXT(ctx);
tnl->Driver.RunPipeline = _tnl_run_pipeline;
}
_swrast_allow_pixel_fog(ctx, GL_TRUE);
_swrast_allow_vertex_fog(ctx, GL_FALSE);
_tnl_allow_pixel_fog(ctx, GL_TRUE);
_tnl_allow_vertex_fog(ctx, GL_FALSE);
glamoInitStateFuncs(ctx);
glamoInitTriFuncs(ctx);
return GL_TRUE;
}
void glamoDestroyContext(__DRIcontext *driContextPriv)
{
glamoContextPtr context;
context = (glamoContextPtr)driContextPriv->driverPrivate;
assert(context != NULL);
if ( context != NULL ) {
_swsetup_DestroyContext(context->glCtx);
_tnl_DestroyContext(context->glCtx);
_vbo_DestroyContext(context->glCtx);
_swrast_DestroyContext(context->glCtx);
_mesa_destroy_context(context->glCtx);
}
FREE(context);
}
static void glamo_update_renderbuffers(__DRIcontext *context,
__DRIdrawable *drawable)
{
unsigned int attachments[10];
__DRIbuffer *buffers;
__DRIscreen *screen;
struct glamo_renderbuffer *grb;
int i, count;
struct glamo_framebuffer *draw;
glamoContextPtr glamo;
char *regname;
fprintf(stderr, "enter %s, drawable %p\n", __func__, drawable);
draw = drawable->driverPrivate;
screen = context->driScreenPriv;
glamo = (glamoContextPtr)context->driverPrivate;
i = 0;
if ( draw->color_rb[0] )
attachments[i++] = __DRI_BUFFER_FRONT_LEFT;
if ( draw->color_rb[1] )
attachments[i++] = __DRI_BUFFER_BACK_LEFT;
printf("screen = %p\n", screen); fflush(stdout);
printf("screen->dri2.loader = %p\n", screen->dri2.loader); fflush(stdout);
printf("screen->dri2.loader->getBuffers = %p\n", screen->dri2.loader->getBuffers); fflush(stdout);
buffers = (*screen->dri2.loader->getBuffers)(drawable,
&drawable->w,
&drawable->h,
attachments, i,
&count,
drawable->loaderPrivate);
printf("b\n"); fflush(stdout);
if (buffers == NULL) return;
printf("c\n"); fflush(stdout);
printf("%i, %i\n", drawable->w, drawable->h);
}
GLboolean glamoMakeCurrent(__DRIcontext *driContextPriv,
__DRIdrawable *driDrawPriv,
__DRIdrawable *driReadPriv)
{
struct glamo_framebuffer *draw_fb;
struct gl_framebuffer *read_fb;
glamoContextPtr glamo;
printf("glamoMakeCurrent\n"); fflush(stdout);
if ( driContextPriv == NULL ) {
_mesa_make_current(NULL, NULL, NULL);
return GL_TRUE;
}
/* The Glamo context we're switching to */
glamo = (glamoContextPtr)driContextPriv->driverPrivate;
glamo->driDrawable = driDrawPriv;
/* These two will probably be the same */
draw_fb = (struct glamo_framebuffer *)driDrawPriv->driverPrivate;
read_fb = (struct gl_framebuffer *)driReadPriv->driverPrivate;
glamo_update_renderbuffers(driContextPriv, driDrawPriv);
if (driDrawPriv != driReadPriv)
glamo_update_renderbuffers(driContextPriv, driReadPriv);
printf("%p %p %p %p\n", glamo->glCtx, draw_fb, &draw_fb->base, read_fb);
fflush(stdout);
_mesa_make_current(glamo->glCtx, &draw_fb->base, read_fb);
printf("BBB\n"); fflush(stdout);
_mesa_update_state(glamo->glCtx);
printf("done\n"); fflush(stdout);
return GL_TRUE;
}
GLboolean glamoUnbindContext(__DRIcontext *driContextPriv)
{
return GL_TRUE;
}
/* kate: space-indent on; indent-width 3; mixedindent off; indent-mode cstyle; */
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