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Diffstat (limited to 'src/mesa/drivers/dri/fb')
-rw-r--r--src/mesa/drivers/dri/fb/fb_dri.c231
1 files changed, 111 insertions, 120 deletions
diff --git a/src/mesa/drivers/dri/fb/fb_dri.c b/src/mesa/drivers/dri/fb/fb_dri.c
index afadb9bce0..696bf9e2e1 100644
--- a/src/mesa/drivers/dri/fb/fb_dri.c
+++ b/src/mesa/drivers/dri/fb/fb_dri.c
@@ -65,12 +65,27 @@ typedef struct {
__DRIdrawablePrivate *drawable; /* drawable bound to this ctx */
} dri;
+} fbContext, *fbContextPtr;
+
+typedef struct {
+ GLframebuffer *mesa_framebuffer;
void *currentBuffer;
void *frontBuffer;
void *backBuffer;
int currentPitch;
-} fbContext, *fbContextPtr;
+} fbDrawable, *fbDrawablePtr;
+typedef struct {
+ unsigned long hFrameBuffer;
+ int fbOrigin;
+ int fbSize;
+ int fbStride;
+ int fbWidth;
+ int fbHeight;
+ int bpp;
+ int drmFD;
+ drmAddress fbMap;
+} fbDRI, *fbDRIPtr;
#define FB_CONTEXT(ctx) ((fbContextPtr)(ctx->DriverCtx))
@@ -130,18 +145,19 @@ set_buffer( GLcontext *ctx, GLframebuffer *buffer, GLuint bufferBit )
{
fbContextPtr fbdevctx = FB_CONTEXT(ctx);
__DRIdrawablePrivate *dPriv = fbdevctx->dri.drawable;
+ fbDrawablePtr fbdrawable = (fbDrawablePtr)dPriv->driverPrivate;
/* What a twisted mess of private structs
*/
- assert(buffer == dPriv->driverPrivate);
+ assert(buffer == fbdrawable->mesa_framebuffer);
switch (bufferBit) {
case DD_FRONT_LEFT_BIT:
- fbdevctx->currentBuffer = fbdevctx->frontBuffer;
+ fbdrawable->currentBuffer = fbdrawable->frontBuffer;
break;
case DD_BACK_LEFT_BIT:
- fbdevctx->currentBuffer = fbdevctx->backBuffer;
+ fbdrawable->currentBuffer = fbdrawable->backBuffer;
break;
default:
/* This happens a lot if the client renders to the frontbuffer */
@@ -171,9 +187,10 @@ init_core_functions( struct dd_function_table *functions )
#define NAME(PREFIX) PREFIX##_B8G8R8
#define SPAN_VARS \
const fbContextPtr fbdevctx = FB_CONTEXT(ctx); \
- __DRIdrawablePrivate *dPriv = fbdevctx->dri.drawable;
+ __DRIdrawablePrivate *dPriv = fbdevctx->dri.drawable; \
+ const fbDrawablePtr fbdrawable = (fbDrawablePtr)dPriv->driverPrivate;
#define INIT_PIXEL_PTR(P, X, Y) \
- GLubyte *P = (GLubyte *)fbdevctx->currentBuffer + (Y) * fbdevctx->currentPitch + (X) * 3
+ GLubyte *P = (GLubyte *)fbdrawable->currentBuffer + (Y) * fbdrawable->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
@@ -189,9 +206,10 @@ init_core_functions( struct dd_function_table *functions )
#define NAME(PREFIX) PREFIX##_B8G8R8A8
#define SPAN_VARS \
const fbContextPtr fbdevctx = FB_CONTEXT(ctx); \
- __DRIdrawablePrivate *dPriv = fbdevctx->dri.drawable;
+ __DRIdrawablePrivate *dPriv = fbdevctx->dri.drawable; \
+ const fbDrawablePtr fbdrawable = (fbDrawablePtr)dPriv->driverPrivate;
#define INIT_PIXEL_PTR(P, X, Y) \
- GLubyte *P = (GLubyte *)fbdevctx->currentBuffer + (Y) * fbdevctx->currentPitch + (X) * 4;
+ GLubyte *P = (GLubyte *)fbdrawable->currentBuffer + (Y) * fbdrawable->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
@@ -207,9 +225,10 @@ init_core_functions( struct dd_function_table *functions )
#define NAME(PREFIX) PREFIX##_B5G6R5
#define SPAN_VARS \
const fbContextPtr fbdevctx = FB_CONTEXT(ctx); \
- __DRIdrawablePrivate *dPriv = fbdevctx->dri.drawable;
+ __DRIdrawablePrivate *dPriv = fbdevctx->dri.drawable; \
+ const fbDrawablePtr fbdrawable = (fbDrawablePtr)dPriv->driverPrivate;
#define INIT_PIXEL_PTR(P, X, Y) \
- GLushort *P = (GLushort *) ((char *)fbdevctx->currentBuffer + (Y) * fbdevctx->currentPitch + (X) * 2)
+ GLushort *P = (GLushort *) ((char *)fbdrawable->currentBuffer + (Y) * fbdrawable->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) )
@@ -228,9 +247,10 @@ init_core_functions( struct dd_function_table *functions )
#define NAME(PREFIX) PREFIX##_B5G5R5
#define SPAN_VARS \
const fbContextPtr fbdevctx = FB_CONTEXT(ctx); \
- __DRIdrawablePrivate *dPriv = fbdevctx->dri.drawable;
+ __DRIdrawablePrivate *dPriv = fbdevctx->dri.drawable; \
+ const fbDrawablePtr fbdrawable = (fbDrawablePtr)dPriv->driverPrivate;
#define INIT_PIXEL_PTR(P, X, Y) \
- GLushort *P = (GLushort *) ((char *)fbdevctx->currentBuffer + (Y) * fbdevctx->currentPitch + (X) * 2)
+ GLushort *P = (GLushort *) ((char *)fbdrawable->currentBuffer + (Y) * fbdrawable->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) )
@@ -249,9 +269,10 @@ init_core_functions( struct dd_function_table *functions )
#define NAME(PREFIX) PREFIX##_CI8
#define SPAN_VARS \
const fbContextPtr fbdevctx = FB_CONTEXT(ctx); \
- __DRIdrawablePrivate *dPriv = fbdevctx->dri.drawable;
+ __DRIdrawablePrivate *dPriv = fbdevctx->dri.drawable; \
+ const fbDrawablePtr fbdrawable = (fbDrawablePtr)dPriv->driverPrivate;
#define INIT_PIXEL_PTR(P, X, Y) \
- GLubyte *P = (GLubyte *)fbdevctx->currentBuffer + (Y) * fbdevctx->currentPitch + (X)
+ GLubyte *P = (GLubyte *)fbdrawable->currentBuffer + (Y) * fbdrawable->currentPitch + (X)
#define INC_PIXEL_PTR(P) P += 1
#define STORE_CI_PIXEL(P, CI) \
P[0] = CI
@@ -261,19 +282,46 @@ init_core_functions( struct dd_function_table *functions )
#include "swrast/s_spantemp.h"
-
/* Initialize the driver specific screen private data.
*/
static GLboolean
fbInitDriver( __DRIscreenPrivate *sPriv )
{
- sPriv->private = NULL;
+ fbDRIPtr dri_priv = (fbDRIPtr)sPriv->pDevPriv;
+ fbDRIPtr priv;
+ int drmFD;
+
+ drmFD = drmOpen("radeon", NULL );
+ if (drmFD < 0) {
+ fprintf(stderr, "[drm] drmOpen failed\n");
+ return GL_FALSE;
+ }
+
+ priv = _mesa_malloc(sizeof(*priv));
+ if (!priv)
+ return GL_FALSE;
+
+ *priv = *dri_priv;
+
+ priv->drmFD = drmFD;
+ if (drmMap(drmFD, priv->hFrameBuffer, priv->fbSize, &priv->fbMap) < 0) {
+ fprintf(stderr, "[drm] drmMap framebuffer failed\n");
+ free(priv);
+ return GL_FALSE;
+ }
+
+ sPriv->private = priv;
return GL_TRUE;
}
static void
fbDestroyScreen( __DRIscreenPrivate *sPriv )
{
+ fbDRIPtr priv = (fbDRIPtr)sPriv->private;
+
+ drmUnmap(priv->fbMap, priv->fbSize);
+ drmClose(priv->drmFD);
+ _mesa_free(priv);
}
/* Create the device specific context.
@@ -434,7 +482,8 @@ fbCreateBuffer( __DRIscreenPrivate *driScrnPriv,
const __GLcontextModes *mesaVis,
GLboolean isPixmap )
{
- fbContextPtr fbmesa = (fbContextPtr) driDrawPriv->driContextPriv->driverPrivate;
+ fbDRIPtr spriv = (fbDRIPtr)driScrnPriv->private;
+ fbDrawablePtr fbdrawable;
if (isPixmap) {
return GL_FALSE; /* not implemented */
@@ -444,21 +493,31 @@ fbCreateBuffer( __DRIscreenPrivate *driScrnPriv,
const GLboolean swAlpha = mesaVis->alphaBits > 0;
const GLboolean swAccum = mesaVis->accumRedBits > 0;
const GLboolean swStencil = mesaVis->stencilBits > 0;
- driDrawPriv->driverPrivate = (void *)
+
+ fbdrawable = _mesa_calloc(sizeof(*fbdrawable));
+ if (!fbdrawable)
+ return 0;
+
+ fbdrawable->mesa_framebuffer = (void *)
_mesa_create_framebuffer( mesaVis,
swDepth,
swStencil,
swAccum,
swAlpha );
- if (!driDrawPriv->driverPrivate)
- return 0;
+ if (!fbdrawable->mesa_framebuffer) {
+ _mesa_free(fbdrawable);
+ return 0;
+ }
+ driDrawPriv->driverPrivate = fbdrawable;
+
+ fbdrawable->frontBuffer = fbdrawable->currentBuffer = spriv->fbMap;
+ fbdrawable->currentPitch = spriv->fbWidth;
/* Replace the framebuffer back buffer with a malloc'ed one --
* big speedup.
*/
- if (fbmesa->backBuffer)
- fbmesa->backBuffer = _mesa_malloc(fbmesa->currentPitch * driDrawPriv->h);
+ fbdrawable->backBuffer = _mesa_malloc(fbdrawable->currentPitch * driDrawPriv->h);
return 1;
}
@@ -468,10 +527,12 @@ fbCreateBuffer( __DRIscreenPrivate *driScrnPriv,
static void
fbDestroyBuffer(__DRIdrawablePrivate *driDrawPriv)
{
- fbContextPtr fbmesa = (fbContextPtr) driDrawPriv->driContextPriv->driverPrivate;
+ fbDrawablePtr fbdrawable = (fbDrawablePtr)driDrawPriv->driverPrivate;
- _mesa_destroy_framebuffer((GLframebuffer *) (driDrawPriv->driverPrivate));
- _mesa_free(fbmesa->backBuffer);
+ _mesa_destroy_framebuffer(fbdrawable->mesa_framebuffer);
+ _mesa_free(fbdrawable->backBuffer);
+ _mesa_free(fbdrawable);
+ driDrawPriv->driverPrivate = NULL;
}
@@ -481,6 +542,7 @@ fbDestroyBuffer(__DRIdrawablePrivate *driDrawPriv)
static void
fbSwapBuffers( __DRIdrawablePrivate *dPriv )
{
+ fbDrawablePtr fbdrawable = (fbDrawablePtr)dPriv->driverPrivate;
if (dPriv->driContextPriv && dPriv->driContextPriv->driverPrivate) {
fbContextPtr fbmesa;
@@ -490,19 +552,19 @@ fbSwapBuffers( __DRIdrawablePrivate *dPriv )
if (ctx->Visual.doubleBufferMode) {
int i;
int offset = 0;
- char *tmp = _mesa_malloc(fbmesa->currentPitch);
+ char *tmp = _mesa_malloc(fbdrawable->currentPitch);
_mesa_notifySwapBuffers( ctx ); /* flush pending rendering comands */
- ASSERT(fbmesa->frontBuffer);
- ASSERT(fbmesa->backBuffer);
+ ASSERT(fbdrawable->frontBuffer);
+ ASSERT(fbdrawable->backBuffer);
for (i = 0; i < dPriv->h; i++) {
- _mesa_memcpy(tmp, (char *) fbmesa->backBuffer + offset,
- fbmesa->currentPitch);
- _mesa_memcpy((char *) fbmesa->frontBuffer + offset, tmp,
- fbmesa->currentPitch);
- offset += fbmesa->currentPitch;
+ _mesa_memcpy(tmp, (char *) fbdrawable->backBuffer + offset,
+ fbdrawable->currentPitch);
+ _mesa_memcpy((char *) fbdrawable->frontBuffer + offset, tmp,
+ fbdrawable->currentPitch);
+ offset += fbdrawable->currentPitch;
}
_mesa_free(tmp);
@@ -530,8 +592,8 @@ fbMakeCurrent( __DRIcontextPrivate *driContextPriv,
newFbCtx->dri.drawable = driDrawPriv;
_mesa_make_current2( newFbCtx->glCtx,
- (GLframebuffer *) driDrawPriv->driverPrivate,
- (GLframebuffer *) driReadPriv->driverPrivate );
+ ((fbDrawablePtr)driDrawPriv->driverPrivate)->mesa_framebuffer,
+ ((fbDrawablePtr)driReadPriv->driverPrivate)->mesa_framebuffer);
} else {
_mesa_make_current( 0, 0 );
}
@@ -562,69 +624,6 @@ static struct __DriverAPIRec fbAPI = {
-#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(Display *dpy, int scrn, __DRIscreen *psc,
- int numConfigs, __GLXvisualConfig *config)
-{
- __DRIscreenPrivate *psp;
- 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.
- *
- * \param ctx display handle.
- * \param numModes will receive the number of supported modes.
- * \param modes will point to the list of supported modes.
- *
- * \return one on success, or zero on failure.
- *
- * Allocates a single visual and fills it with information according to the
- * display bit depth. Supports only 16 and 32 bpp bit depths, aborting
- * otherwise.
- */
-const __GLcontextModes __glModes[] = {
-
- /* 32 bit, RGBA Depth=24 Stencil=8 */
- {.rgbMode = GL_TRUE, .colorIndexMode = GL_FALSE, .doubleBufferMode = GL_TRUE, .stereoMode = GL_FALSE,
- .haveAccumBuffer = GL_FALSE, .haveDepthBuffer = GL_TRUE, .haveStencilBuffer = GL_TRUE,
- .redBits = 8, .greenBits = 8, .blueBits = 8, .alphaBits = 8,
- .redMask = 0xff0000, .greenMask = 0xff00, .blueMask = 0xff, .alphaMask = 0xff000000,
- .rgbBits = 32, .indexBits = 0,
- .accumRedBits = 0, .accumGreenBits = 0, .accumBlueBits = 0, .accumAlphaBits = 0,
- .depthBits = 24, .stencilBits = 8,
- .numAuxBuffers= 0, .level = 0, .pixmapMode = GL_FALSE, },
-
- /* 16 bit, RGB Depth=16 */
- {.rgbMode = GL_TRUE, .colorIndexMode = GL_FALSE, .doubleBufferMode = GL_TRUE, .stereoMode = GL_FALSE,
- .haveAccumBuffer = GL_FALSE, .haveDepthBuffer = GL_TRUE, .haveStencilBuffer = GL_FALSE,
- .redBits = 5, .greenBits = 6, .blueBits = 5, .alphaBits = 0,
- .redMask = 0xf800, .greenMask = 0x07e0, .blueMask = 0x001f, .alphaMask = 0x0,
- .rgbBits = 16, .indexBits = 0,
- .accumRedBits = 0, .accumGreenBits = 0, .accumBlueBits = 0, .accumAlphaBits = 0,
- .depthBits = 16, .stencilBits = 0,
- .numAuxBuffers= 0, .level = 0, .pixmapMode = GL_FALSE, },
-};
-
-
-static int
-__driInitScreenModes( const DRIDriverContext *ctx,
- int *numModes, const __GLcontextModes **modes)
-{
- *numModes = sizeof(__glModes)/sizeof(__GLcontextModes *);
- *modes = &__glModes[0];
- return 1;
-}
-
-
-
static int
__driValidateMode(const DRIDriverContext *ctx )
{
@@ -634,6 +633,8 @@ __driValidateMode(const DRIDriverContext *ctx )
static int
__driInitFBDev( struct DRIDriverContextRec *ctx )
{
+ fbDRIPtr pfbDRI;
+
/* 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 );
@@ -689,28 +690,18 @@ __driInitFBDev( struct DRIDriverContextRec *ctx )
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;
- ctx->shared.hSAREA = 0xB37D;
- ctx->shared.SAREASize = SAREA_MAX;
- id = shmget(ctx->shared.hSAREA, ctx->shared.SAREASize, IPC_CREAT | IPC_EXCL | S_IRUSR | S_IWUSR);
- if (id == -1) {
- /* segment will already exist if previous server segfaulted */
- id = shmget(ctx->shared.hSAREA, ctx->shared.SAREASize, 0);
- if (id == -1) {
- fprintf(stderr, "fb: shmget failed\n");
- return 0;
- }
- }
- ctx->pSAREA = shmat(id, NULL, 0);
- if (ctx->pSAREA == (void *)-1) {
- fprintf(stderr, "fb: shmat failed\n");
- return 0;
- }
- memset(ctx->pSAREA, 0, SAREA_MAX);
-#endif
+ pfbDRI = (fbDRIPtr)malloc(sizeof(*pfbDRI));
+ pfbDRI->hFrameBuffer = ctx->shared.hFrameBuffer;
+ pfbDRI->fbOrigin = ctx->shared.fbOrigin;
+ pfbDRI->fbSize = ctx->shared.fbSize;
+ pfbDRI->fbStride = ctx->shared.fbStride;
+ pfbDRI->fbWidth = ctx->shared.virtualWidth;
+ pfbDRI->fbHeight = ctx->shared.virtualHeight;
+ pfbDRI->bpp = ctx->bpp;
+
+ ctx->driverClientMsg = pfbDRI;
+ ctx->driverClientMsgSize = sizeof(*pfbDRI);
+
return 1;
}