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-rw-r--r--src/glut/ggi/ggiglut.c2
-rw-r--r--src/mesa/drivers/ggi/default/stubs.c2
-rw-r--r--src/mesa/drivers/ggi/display/fbdev_visual.c8
-rw-r--r--src/mesa/drivers/ggi/ggimesa.c82
-rw-r--r--src/mesa/drivers/ggi/include/ggi/mesa/ggimesa.h7
5 files changed, 32 insertions, 69 deletions
diff --git a/src/glut/ggi/ggiglut.c b/src/glut/ggi/ggiglut.c
index 31658c79ff..8a37b33065 100644
--- a/src/glut/ggi/ggiglut.c
+++ b/src/glut/ggi/ggiglut.c
@@ -234,6 +234,7 @@ int glutCreateWindow(const char *title)
rgb = !(__glut_mode & GLUT_INDEX);
frames = (__glut_mode & GLUT_DOUBLE) ? 2 : 1;
+
gt = (rgb) ? __glut_gt_rgb : __glut_gt_index;
__glut_ctx = GGIMesaCreateContext();
@@ -263,6 +264,7 @@ int glutCreateWindow(const char *title)
if (GGIMesaSetVisual(__glut_ctx, __glut_vis, rgb, frames > 1) < 0)
{
+ glut_ggiDEBUG("AAA\n");
ggiPanic("GGIMesaSetVisual failed!\n");
}
diff --git a/src/mesa/drivers/ggi/default/stubs.c b/src/mesa/drivers/ggi/default/stubs.c
index 52f55d409d..aa3e6c98b8 100644
--- a/src/mesa/drivers/ggi/default/stubs.c
+++ b/src/mesa/drivers/ggi/default/stubs.c
@@ -340,7 +340,7 @@ void GGItriangle_flat(GLcontext *ctx,GLuint v0,GLuint v1,GLuint v2,GLuint pv)
void GGItriangle_flat_depth(GLcontext *ctx,GLuint v0,GLuint v1,
- GLuint v2,GLuint pv)
+ GLuint v2,GLuint pv)
{
#define INTERP_Z 1
diff --git a/src/mesa/drivers/ggi/display/fbdev_visual.c b/src/mesa/drivers/ggi/display/fbdev_visual.c
index 13ac848e7c..3723dc6a45 100644
--- a/src/mesa/drivers/ggi/display/fbdev_visual.c
+++ b/src/mesa/drivers/ggi/display/fbdev_visual.c
@@ -1,4 +1,4 @@
-/* $Id: fbdev_visual.c,v 1.3 1999/08/22 08:56:50 jtaylor Exp $
+/* $Id: fbdev_visual.c,v 1.4 1999/08/24 02:03:34 jtaylor Exp $
******************************************************************************
display-fbdev-mesa: visual handling
@@ -74,7 +74,6 @@ char *conffile = confstub;
static int changed(ggi_visual_t vis, int whatchanged)
{
- gl_ggiDEBUG("Entered ggimesa_fbdev_changed\n");
switch (whatchanged)
{
case GGI_CHG_APILIST:
@@ -88,7 +87,6 @@ static int changed(ggi_visual_t vis, int whatchanged)
for (i = 0; ggiGetAPI(vis, i, api, args) == 0; i++)
{
strcat(api, "-mesa");
- gl_ggiDEBUG("ggimesa_fbdev_changed: api=%s, i=%d\n", api, i);
fname = ggMatchConfig(_configHandle, api, NULL);
if (fname == NULL)
{
@@ -101,7 +99,6 @@ static int changed(ggi_visual_t vis, int whatchanged)
}
break;
}
- gl_ggiDEBUG("Leaving ggimesa_fbdev_changed\n");
return 0;
}
@@ -112,8 +109,6 @@ int GGIdlinit(ggi_visual *vis, const char *args, void *argptr)
int id, err;
ggifunc_getapi *oldgetapi;
- gl_ggiDEBUG("display-fbdev-mesa: GGIdlinit start\n");
-
GGIMESA_PRIVATE(vis) = priv = malloc(sizeof(struct fbdev_priv_mesa));
if (priv == NULL) {
fprintf(stderr, "Failed to allocate fbdev private data\n");
@@ -143,7 +138,6 @@ int GGIdlinit(ggi_visual *vis, const char *args, void *argptr)
vis->opdisplay->getapi = oldgetapi;
}
- gl_ggiDEBUG("display-fbdev-mesa: GGIdlinit done\n");
return 0;
}
diff --git a/src/mesa/drivers/ggi/ggimesa.c b/src/mesa/drivers/ggi/ggimesa.c
index c7692b4a84..5c5fd30172 100644
--- a/src/mesa/drivers/ggi/ggimesa.c
+++ b/src/mesa/drivers/ggi/ggimesa.c
@@ -145,24 +145,11 @@ static GLbitfield gl_ggiClear(GLcontext *ctx,GLbitfield mask, GLboolean all,
static GLboolean gl_ggiSetBuffer(GLcontext *ctx, GLenum mode)
{
- int y;
-/*
- if (mode == GL_FRONT)
- gl_ggiPrint("GL_FRONT\n");
- else
- gl_ggiPrint("GL_BACK\n");
-*/
if (mode == GL_FRONT)
- {
- y = (GGICTX->origin.y) ? 0 : GGICTX->height;
- }
- else
- {
- y = GGICTX->origin.y;
- }
-
- GGICTX->flip_y = y + GGICTX->height - 1;
-
+ GGICTX->active_buffer = 1;
+ else
+ GGICTX->active_buffer = 0;
+
return GL_TRUE;
}
@@ -202,20 +189,7 @@ static int gl_ggiInitInfo(GGIMesaContext ctx, struct ggi_mesa_info *info)
ggi_mode mode;
ggiGetMode(ctx->ggi_vis, &mode);
-
- if (info->db_flag)
- {
- virty = mode.virt.y;
- visy = mode.visible.y;
-
- if (virty < 2 * visy)
- {
- gl_ggiPrint(" visible y %i, virtual y %i\n",visy,virty);
- gl_ggiPrint("ggiInitInfo: no doublebuffer possible!\n");
- return -1;
- }
- }
-
+
info->depth_bits = DEPTH_BITS;
info->stencil_bits = STENCIL_BITS;
info->accum_bits = ACCUM_BITS;
@@ -251,7 +225,6 @@ GGIMesaContext GGIMesaCreateContext(void)
s = getenv("GGIMESA_DEBUG");
gl_ggi_debug = (s && atoi(s));
- gl_ggiDEBUG("GGIMesaCreateContext:\n");
if (ggiMesaInit() < 0) /* register extensions*/
{
@@ -273,7 +246,6 @@ GGIMesaContext GGIMesaCreateContext(void)
if (!ctx->gl_ctx)
return NULL;
- gl_ggiDEBUG("GGIMesaCreateContext: done.\n");
return ctx;
}
@@ -285,7 +257,7 @@ void GGIMesaDestroyContext(GGIMesaContext ctx)
gl_destroy_context(ctx->gl_ctx);
gl_destroy_framebuffer(ctx->gl_buffer);
if (ctx == GGIMesa)
- GGIMesa = NULL;
+ GGIMesa = NULL;
if (ctx->ggi_vis)
ggiExtensionDetach(ctx->ggi_vis, ggiMesaID);
ggiExtensionUnregister(ggiMesaID);
@@ -305,8 +277,6 @@ int GGIMesaSetVisual(GGIMesaContext ctx, ggi_visual_t vis,
ggi_mode mode;
int num_buf;
- gl_ggiDEBUG("GGIMesaSetVisual:\n");
-
if (!ctx) return -1;
if (!vis) return -1;
@@ -325,7 +295,7 @@ int GGIMesaSetVisual(GGIMesaContext ctx, ggi_visual_t vis,
gl_destroy_visual(ctx->gl_vis);
if (ctx->gl_buffer)
- gl_destroy_framebuffer(ctx->gl_buffer);
+ gl_destroy_framebuffer(ctx->gl_buffer);
info.rgb_flag = rgb_flag;
info.db_flag = db_flag;
@@ -338,7 +308,7 @@ int GGIMesaSetVisual(GGIMesaContext ctx, ggi_visual_t vis,
func = (void *)LIBGGI_MESAEXT(ctx->ggi_vis)->setup_driver;
- if (!func)
+ if (!func)
{
gl_ggiPrint("setup_driver==NULL !\n");
gl_ggiPrint("Please check your config files!\n");
@@ -369,7 +339,7 @@ int GGIMesaSetVisual(GGIMesaContext ctx, ggi_visual_t vis,
if (!ctx->gl_buffer)
{
- gl_ggiPrint("Can't create gl_buffer!!!\n");
+ gl_ggiPrint("Can't create gl_buffer!\n");
return -1;
}
@@ -378,31 +348,33 @@ int GGIMesaSetVisual(GGIMesaContext ctx, ggi_visual_t vis,
ctx->height = mode.visible.y;
ctx->stride = mode.virt.x;
ctx->origin.x = 0;
- ctx->origin.y = (info.db_flag) ? ctx->height : 0;
+ ctx->origin.y = 0;
ctx->flip_y = ctx->origin.y + ctx->height - 1;
ctx->color = 0;
- ctx->lfb = NULL;
+ ctx->lfb[0] = ctx->lfb[1] = NULL;
num_buf = ggiDBGetNumBuffers(ctx->ggi_vis);
-
+
for (i = 0; i < num_buf; i++)
{
if (ggiDBGetBuffer(ctx->ggi_vis,i)->layout == blPixelLinearBuffer)
{
ctx->stride = ggiDBGetBuffer(ctx->ggi_vis, i)->buffer.plb.stride /
(ggiDBGetBuffer(ctx->ggi_vis, i)->buffer.plb.pixelformat->size / 8);
- ctx->lfb = ggiDBGetBuffer(ctx->ggi_vis, i)->write;
+ ctx->lfb[0] = ggiDBGetBuffer(ctx->ggi_vis, i)->write;
}
-
}
- if (ctx->lfb == NULL)
+ if (ctx->lfb[0] == NULL)
{
gl_ggiPrint("No linear frame buffer!\n");
return -1;
}
-
+
+ /* FIXME: Use separate buffers */
+ ctx->lfb[1] = ctx->lfb[0];
+
ctx->gl_ctx->Visual = ctx->gl_vis;
ctx->gl_ctx->Pixel.ReadBuffer =
ctx->gl_ctx->Color.DrawBuffer = (db_flag) ? GL_BACK : GL_FRONT;
@@ -423,7 +395,6 @@ int GGIMesaSetVisual(GGIMesaContext ctx, ggi_visual_t vis,
ggiSetPalette(ctx->ggi_vis, 0, 256, pal);
}
- gl_ggiDEBUG("GGIMesaSetVisual: done.\n");
return 0;
}
@@ -453,16 +424,13 @@ GGIMesaContext GGIMesaGetCurrentContext(void)
*/
void GGIMesaSwapBuffers(void)
{
- if (GGIMesa->gl_vis->DBflag)
+ FLUSH_VB(GGIMesa->gl_ctx, "swap buffers");
+ if (GGIMesa->gl_vis->DBflag)
{
- ggiSetOrigin(VIS, GGIMesa->origin.x, GGIMesa->origin.y);
-
- if (GGIMesa->origin.y)
- GGIMesa->origin.y = 0;
- else
- GGIMesa->origin.y = GGIMesa->height;
-
- GGIMesa->flip_y = GGIMesa->origin.y + GGIMesa->height - 1;
+ void *buftemp;
+ buftemp = GGIMesa->lfb[0];
+ GGIMesa->lfb[0] = GGIMesa->lfb[1];
+ GGIMesa->lfb[1] = buftemp;
}
}
@@ -483,7 +451,6 @@ static void gl_ggiUpdateState(GLcontext *ctx)
static int changed(ggi_visual_t vis, int whatchanged)
{
- gl_ggiDEBUG("Entered ggimesa_changed()\n");
switch (whatchanged)
{
case GGI_CHG_APILIST:
@@ -497,7 +464,6 @@ static int changed(ggi_visual_t vis, int whatchanged)
for (i = 0; ggiGetAPI(vis, i, api, args) == 0; i++)
{
strcat(api, "-mesa");
- gl_ggiDEBUG("api=%s, i=%d\n", api, i);
fname = ggMatchConfig(_ggimesaConfigHandle, api, NULL);
if (fname == NULL)
{
diff --git a/src/mesa/drivers/ggi/include/ggi/mesa/ggimesa.h b/src/mesa/drivers/ggi/include/ggi/mesa/ggimesa.h
index c4611fa01b..d4d5040b55 100644
--- a/src/mesa/drivers/ggi/include/ggi/mesa/ggimesa.h
+++ b/src/mesa/drivers/ggi/include/ggi/mesa/ggimesa.h
@@ -50,14 +50,15 @@ struct ggi_mesa_context
GLcontext *gl_ctx;
GLvisual *gl_vis;
GLframebuffer *gl_buffer;
-
+
ggi_visual_t ggi_vis;
ggi_coord origin;
int flip_y;
int width, height, stride; /* Stride is in pixels */
ggi_pixel color; /* Current color or index*/
ggi_pixel clearcolor;
- void *lfb; /* Linear frame buffer*/
+ void *lfb[2]; /* Linear frame buffers */
+ int active_buffer;
int viewport_init;
};
@@ -79,7 +80,7 @@ extern GGIMesaContext GGIMesa; /* The current context */
#define VIS (GGICTX->ggi_vis)
#define FLIP(y) (GGICTX->flip_y-(y))
-#define LFB(type,x,y) ((type *)GGICTX->lfb + (x) + (y) * GGICTX->stride)
+#define LFB(type,x,y) ((type *)GGICTX->lfb[0] + (x) + (y) * GGICTX->stride)
#define CTX_OPMESA(ctx) \
((struct mesa_ext *)LIBGGI_EXT(((GGIMesaContext)ctx->DriverCtx)->ggi_vis, \
generated by cgit v1.2.3 (git 2.51.0) at 2025-11-04 01:11:48 +0000