* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
-
/* Minimal swrast-based dri loadable driver.
*
* Todo:
* that may not be valid everywhere.
*/
-#include <assert.h>
-#include <errno.h>
-#include <signal.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <dlfcn.h>
-#include <fcntl.h>
-#include <unistd.h>
-#include <sys/ioctl.h>
-#include <sys/mman.h>
-#include <sys/types.h>
-#include <sys/shm.h>
-#include <sys/stat.h>
-#include <linux/kd.h>
-#include <linux/vt.h>
-
-#include "GL/miniglx.h" /* window-system-specific */
-#include "miniglxP.h" /* window-system-specific */
-#include "dri_util.h" /* window-system-specific-ish */
+#include "driver.h"
+#include "drm.h"
+#include "utils.h"
#include "buffers.h"
-#include "context.h"
#include "extensions.h"
-#include "imports.h"
-#include "matrix.h"
-#include "texformat.h"
-#include "texstore.h"
-#include "teximage.h"
#include "array_cache/acache.h"
#include "swrast/swrast.h"
#include "swrast_setup/swrast_setup.h"
#include "drivers/common/driverfuncs.h"
-
typedef struct {
GLcontext *glCtx; /* Mesa context */
__DRIscreenPrivate *screen;
__DRIdrawablePrivate *drawable; /* drawable bound to this ctx */
} dri;
+
+ void *currentBuffer;
+ void *frontBuffer;
+ void *backBuffer;
+ int currentPitch;
} fbContext, *fbContextPtr;
#define FB_CONTEXT(ctx) ((fbContextPtr)(ctx->DriverCtx))
+#ifdef USE_NEW_INTERFACE
+static PFNGLXCREATECONTEXTMODES create_context_modes = NULL;
+#endif /* USE_NEW_INTERFACE */
static const GLubyte *
get_string(GLcontext *ctx, GLenum pname)
switch (bufferBit) {
case DD_FRONT_LEFT_BIT:
- dPriv->currentBuffer = dPriv->frontBuffer;
+ fbdevctx->currentBuffer = fbdevctx->frontBuffer;
break;
case DD_BACK_LEFT_BIT:
- dPriv->currentBuffer = dPriv->backBuffer;
+ fbdevctx->currentBuffer = fbdevctx->backBuffer;
break;
default:
/* This happens a lot if the client renders to the frontbuffer */
const fbContextPtr fbdevctx = FB_CONTEXT(ctx); \
__DRIdrawablePrivate *dPriv = fbdevctx->dri.drawable;
#define INIT_PIXEL_PTR(P, X, Y) \
- GLubyte *P = (GLubyte *)dPriv->currentBuffer + (Y) * dPriv->currentPitch + (X) * 3
+ GLubyte *P = (GLubyte *)fbdevctx->currentBuffer + (Y) * fbdevctx->currentPitch + (X) * 3
#define INC_PIXEL_PTR(P) P += 3
#define STORE_RGB_PIXEL(P, X, Y, R, G, B) \
P[0] = B; P[1] = G; P[2] = R
const fbContextPtr fbdevctx = FB_CONTEXT(ctx); \
__DRIdrawablePrivate *dPriv = fbdevctx->dri.drawable;
#define INIT_PIXEL_PTR(P, X, Y) \
- GLubyte *P = (GLubyte *)dPriv->currentBuffer + (Y) * dPriv->currentPitch + (X) * 4;
+ GLubyte *P = (GLubyte *)fbdevctx->currentBuffer + (Y) * fbdevctx->currentPitch + (X) * 4;
#define INC_PIXEL_PTR(P) P += 4
#define STORE_RGB_PIXEL(P, X, Y, R, G, B) \
P[0] = B; P[1] = G; P[2] = R; P[3] = 255
const fbContextPtr fbdevctx = FB_CONTEXT(ctx); \
__DRIdrawablePrivate *dPriv = fbdevctx->dri.drawable;
#define INIT_PIXEL_PTR(P, X, Y) \
- GLushort *P = (GLushort *) ((char *)dPriv->currentBuffer + (Y) * dPriv->currentPitch + (X) * 2)
+ GLushort *P = (GLushort *) ((char *)fbdevctx->currentBuffer + (Y) * fbdevctx->currentPitch + (X) * 2)
#define INC_PIXEL_PTR(P) P += 1
#define STORE_RGB_PIXEL(P, X, Y, R, G, B) \
*P = ( (((R) & 0xf8) << 8) | (((G) & 0xfc) << 3) | ((B) >> 3) )
const fbContextPtr fbdevctx = FB_CONTEXT(ctx); \
__DRIdrawablePrivate *dPriv = fbdevctx->dri.drawable;
#define INIT_PIXEL_PTR(P, X, Y) \
- GLushort *P = (GLushort *) ((char *)dPriv->currentBuffer + (Y) * dPriv->currentPitch + (X) * 2)
+ GLushort *P = (GLushort *) ((char *)fbdevctx->currentBuffer + (Y) * fbdevctx->currentPitch + (X) * 2)
#define INC_PIXEL_PTR(P) P += 1
#define STORE_RGB_PIXEL(P, X, Y, R, G, B) \
*P = ( (((R) & 0xf8) << 7) | (((G) & 0xf8) << 2) | ((B) >> 3) )
const fbContextPtr fbdevctx = FB_CONTEXT(ctx); \
__DRIdrawablePrivate *dPriv = fbdevctx->dri.drawable;
#define INIT_PIXEL_PTR(P, X, Y) \
- GLubyte *P = (GLubyte *)dPriv->currentBuffer + (Y) * dPriv->currentPitch + (X)
+ GLubyte *P = (GLubyte *)fbdevctx->currentBuffer + (Y) * fbdevctx->currentPitch + (X)
#define INC_PIXEL_PTR(P) P += 1
#define STORE_CI_PIXEL(P, CI) \
P[0] = CI
const __GLcontextModes *mesaVis,
GLboolean isPixmap )
{
+ fbContextPtr fbmesa = (fbContextPtr) driDrawPriv->driContextPriv->driverPrivate;
+
if (isPixmap) {
return GL_FALSE; /* not implemented */
}
/* Replace the framebuffer back buffer with a malloc'ed one --
* big speedup.
*/
- if (driDrawPriv->backBuffer)
- driDrawPriv->backBuffer = _mesa_malloc(driDrawPriv->currentPitch * driDrawPriv->h);
+ if (fbmesa->backBuffer)
+ fbmesa->backBuffer = _mesa_malloc(fbmesa->currentPitch * driDrawPriv->h);
return 1;
}
static void
fbDestroyBuffer(__DRIdrawablePrivate *driDrawPriv)
{
+ fbContextPtr fbmesa = (fbContextPtr) driDrawPriv->driContextPriv->driverPrivate;
+
_mesa_destroy_framebuffer((GLframebuffer *) (driDrawPriv->driverPrivate));
- _mesa_free(driDrawPriv->backBuffer);
+ _mesa_free(fbmesa->backBuffer);
}
if (ctx->Visual.doubleBufferMode) {
int i;
int offset = 0;
- char *tmp = _mesa_malloc(dPriv->currentPitch);
+ char *tmp = _mesa_malloc(fbmesa->currentPitch);
_mesa_notifySwapBuffers( ctx ); /* flush pending rendering comands */
- ASSERT(dPriv->frontBuffer);
- ASSERT(dPriv->backBuffer);
+ ASSERT(fbmesa->frontBuffer);
+ ASSERT(fbmesa->backBuffer);
for (i = 0; i < dPriv->h; i++) {
- _mesa_memcpy(tmp, (char *) dPriv->backBuffer + offset,
- dPriv->currentPitch);
- _mesa_memcpy((char *) dPriv->frontBuffer + offset, tmp,
- dPriv->currentPitch);
- offset += dPriv->currentPitch;
+ _mesa_memcpy(tmp, (char *) fbmesa->backBuffer + offset,
+ fbmesa->currentPitch);
+ _mesa_memcpy((char *) fbmesa->frontBuffer + offset, tmp,
+ fbmesa->currentPitch);
+ offset += fbmesa->currentPitch;
}
_mesa_free(tmp);
}
static struct __DriverAPIRec fbAPI = {
- fbInitDriver,
- fbDestroyScreen,
- fbCreateContext,
- fbDestroyContext,
- fbCreateBuffer,
- fbDestroyBuffer,
- fbSwapBuffers,
- fbMakeCurrent,
- fbUnbindContext
+ .InitDriver = fbInitDriver,
+ .DestroyScreen = fbDestroyScreen,
+ .CreateContext = fbCreateContext,
+ .DestroyContext = fbDestroyContext,
+ .CreateBuffer = fbCreateBuffer,
+ .DestroyBuffer = fbDestroyBuffer,
+ .SwapBuffers = fbSwapBuffers,
+ .MakeCurrent = fbMakeCurrent,
+ .UnbindContext = fbUnbindContext,
};
+
+#ifndef DRI_NEW_INTERFACE_ONLY
/*
* This is the bootstrap function for the driver.
* The __driCreateScreen name is the symbol that libGL.so fetches.
* Return: pointer to a __DRIscreenPrivate.
*/
-void *
-__driCreateScreen(struct DRIDriverRec *driver,
- struct DRIDriverContextRec *driverContext)
+void *__driCreateScreen(Display *dpy, int scrn, __DRIscreen *psc,
+ int numConfigs, __GLXvisualConfig *config)
{
__DRIscreenPrivate *psp;
- psp = __driUtilCreateScreenNoDRM(driver, driverContext, &fbAPI);
+ psp = __driUtilCreateScreenNoDRM(dpy, scrn, psc, numConfigs, config, &fbAPI);
return (void *) psp;
}
-
+#endif /* DRI_NEW_INTERFACE_ONLY */
/**
* \brief Establish the set of modes available for the display.
static int
__driInitFBDev( struct DRIDriverContextRec *ctx )
{
+ /* Note that drmOpen will try to load the kernel module, if needed. */
+ /* we need a fbdev drm driver - it will only track maps */
+ ctx->drmFD = drmOpen("radeon", NULL );
+ if (ctx->drmFD < 0) {
+ fprintf(stderr, "[drm] drmOpen failed\n");
+ return 0;
+ }
+
+ ctx->shared.SAREASize = SAREA_MAX;
+
+ if (drmAddMap( ctx->drmFD,
+ 0,
+ ctx->shared.SAREASize,
+ DRM_SHM,
+ DRM_CONTAINS_LOCK,
+ &ctx->shared.hSAREA) < 0)
+ {
+ fprintf(stderr, "[drm] drmAddMap failed\n");
+ return 0;
+ }
+ fprintf(stderr, "[drm] added %d byte SAREA at 0x%08lx\n",
+ ctx->shared.SAREASize, ctx->shared.hSAREA);
+
+ if (drmMap( ctx->drmFD,
+ ctx->shared.hSAREA,
+ ctx->shared.SAREASize,
+ (drmAddressPtr)(&ctx->pSAREA)) < 0)
+ {
+ fprintf(stderr, "[drm] drmMap failed\n");
+ return 0;
+ }
+ memset(ctx->pSAREA, 0, ctx->shared.SAREASize);
+ fprintf(stderr, "[drm] mapped SAREA 0x%08lx to %p, size %d\n",
+ ctx->shared.hSAREA, ctx->pSAREA, ctx->shared.SAREASize);
+
+ /* Need to AddMap the framebuffer and mmio regions here:
+ */
+ if (drmAddMap( ctx->drmFD,
+ (drm_handle_t)ctx->FBStart,
+ ctx->FBSize,
+ DRM_FRAME_BUFFER,
+#ifndef _EMBEDDED
+ 0,
+#else
+ DRM_READ_ONLY,
+#endif
+ &ctx->shared.hFrameBuffer) < 0)
+ {
+ fprintf(stderr, "[drm] drmAddMap framebuffer failed\n");
+ return 0;
+ }
+
+ fprintf(stderr, "[drm] framebuffer handle = 0x%08lx\n",
+ ctx->shared.hFrameBuffer);
+
+#if 0
int id;
ctx->shared.hFrameBuffer = ctx->FBStart;
ctx->shared.fbSize = ctx->FBSize;
return 0;
}
memset(ctx->pSAREA, 0, SAREA_MAX);
+#endif
return 1;
}
{
}
-
-
struct DRIDriverRec __driDriver = {
- __driInitScreenModes,
__driValidateMode,
__driValidateMode,
__driInitFBDev,
__driHaltFBDev
};
+#ifdef USE_NEW_INTERFACE
+static __GLcontextModes *
+fbFillInModes( unsigned pixel_bits, unsigned depth_bits,
+ unsigned stencil_bits, GLboolean have_back_buffer )
+{
+ __GLcontextModes * modes;
+ __GLcontextModes * m;
+ unsigned num_modes;
+ unsigned depth_buffer_factor;
+ unsigned back_buffer_factor;
+ GLenum fb_format;
+ GLenum fb_type;
+
+ /* Right now GLX_SWAP_COPY_OML isn't supported, but it would be easy
+ * enough to add support. Basically, if a context is created with an
+ * fbconfig where the swap method is GLX_SWAP_COPY_OML, pageflipping
+ * will never be used.
+ */
+ static const GLenum back_buffer_modes[] = {
+ GLX_NONE, GLX_SWAP_UNDEFINED_OML /*, GLX_SWAP_COPY_OML */
+ };
+
+ u_int8_t depth_bits_array[2];
+ u_int8_t stencil_bits_array[2];
+
+
+ depth_bits_array[0] = depth_bits;
+ depth_bits_array[1] = depth_bits;
+
+ /* Just like with the accumulation buffer, always provide some modes
+ * with a stencil buffer. It will be a sw fallback, but some apps won't
+ * care about that.
+ */
+ stencil_bits_array[0] = 0;
+ stencil_bits_array[1] = (stencil_bits == 0) ? 8 : stencil_bits;
+
+ depth_buffer_factor = ((depth_bits != 0) || (stencil_bits != 0)) ? 2 : 1;
+ back_buffer_factor = (have_back_buffer) ? 2 : 1;
+
+ num_modes = depth_buffer_factor * back_buffer_factor * 4;
+
+ if ( pixel_bits == 16 ) {
+ fb_format = GL_RGB;
+ fb_type = GL_UNSIGNED_SHORT_5_6_5;
+ }
+ else {
+ fb_format = GL_BGR;
+ fb_type = GL_UNSIGNED_INT_8_8_8_8_REV;
+ }
+
+ modes = (*create_context_modes)( num_modes, sizeof( __GLcontextModes ) );
+ m = modes;
+ if ( ! driFillInModes( & m, fb_format, fb_type,
+ depth_bits_array, stencil_bits_array, depth_buffer_factor,
+ back_buffer_modes, back_buffer_factor,
+ GLX_TRUE_COLOR ) ) {
+ fprintf( stderr, "[%s:%u] Error creating FBConfig!\n",
+ __func__, __LINE__ );
+ return NULL;
+ }
+
+ if ( ! driFillInModes( & m, fb_format, fb_type,
+ depth_bits_array, stencil_bits_array, depth_buffer_factor,
+ back_buffer_modes, back_buffer_factor,
+ GLX_DIRECT_COLOR ) ) {
+ fprintf( stderr, "[%s:%u] Error creating FBConfig!\n",
+ __func__, __LINE__ );
+ return NULL;
+ }
+
+ /* Mark the visual as slow if there are "fake" stencil bits.
+ */
+ for ( m = modes ; m != NULL ; m = m->next ) {
+ if ( (m->stencilBits != 0) && (m->stencilBits != stencil_bits) ) {
+ m->visualRating = GLX_SLOW_CONFIG;
+ }
+ }
+
+ return modes;
+}
+
+
+/**
+ * This is the bootstrap function for the driver. libGL supplies all of the
+ * requisite information about the system, and the driver initializes itself.
+ * This routine also fills in the linked list pointed to by \c driver_modes
+ * with the \c __GLcontextModes that the driver can support for windows or
+ * pbuffers.
+ *
+ * \return A pointer to a \c __DRIscreenPrivate on success, or \c NULL on
+ * failure.
+ */
+PUBLIC
+void * __driCreateNewScreen( __DRInativeDisplay *dpy, int scrn, __DRIscreen *psc,
+ const __GLcontextModes * modes,
+ const __DRIversion * ddx_version,
+ const __DRIversion * dri_version,
+ const __DRIversion * drm_version,
+ const __DRIframebuffer * frame_buffer,
+ drmAddress pSAREA, int fd,
+ int internal_api_version,
+ __GLcontextModes ** driver_modes )
+{
+ __DRIscreenPrivate *psp;
+ static const __DRIversion ddx_expected = { 4, 0, 0 };
+ static const __DRIversion dri_expected = { 4, 0, 0 };
+ static const __DRIversion drm_expected = { 1, 5, 0 };
+
+
+ if ( ! driCheckDriDdxDrmVersions2( "fb",
+ dri_version, & dri_expected,
+ ddx_version, & ddx_expected,
+ drm_version, & drm_expected ) ) {
+ return NULL;
+ }
+
+ psp = __driUtilCreateNewScreen(dpy, scrn, psc, NULL,
+ ddx_version, dri_version, drm_version,
+ frame_buffer, pSAREA, fd,
+ internal_api_version, &fbAPI);
+ if ( psp != NULL ) {
+ create_context_modes = (PFNGLXCREATECONTEXTMODES)
+ glXGetProcAddress( (const GLubyte *) "__glXCreateContextModes" );
+ if ( create_context_modes != NULL ) {
+#if 0
+ fbDRIPtr dri_priv = (fbDRIPtr) psp->pDevPriv;
+ *driver_modes = fbFillInModes( dri_priv->bpp,
+ (dri_priv->bpp == 16) ? 16 : 24,
+ (dri_priv->bpp == 16) ? 0 : 8,
+ (dri_priv->backOffset != dri_priv->depthOffset) );
+#endif
+ *driver_modes = fbFillInModes( 24, 24, 8, 0);
+ }
+ }
+
+ return (void *) psp;
+}
+#endif /* USE_NEW_INTERFACE */
projects / mesa.git / commitdiff