Fix the FFB driver for the renderbuffer changes

Support NEW INTERFACE as well
This commit is contained in:
Alan Hourihane 2005-07-18 13:52:34 +00:00
parent c235a96a71
commit df88dfe1df
8 changed files with 316 additions and 94 deletions

View file

@ -37,10 +37,13 @@
#undef DEPTH_TRACE
static void
FFBWriteDepthSpan(GLcontext *ctx, GLuint n, GLint x, GLint y,
const GLdepth depth[], const GLubyte mask[])
static void FFBWriteDepthSpan( GLcontext *ctx,
struct gl_renderbuffer *rb,
GLuint n, GLint x, GLint y,
const void *values,
const GLubyte mask[] )
{
const GLuint *depth = (const GLuint *) values;
#ifdef DEPTH_TRACE
fprintf(stderr, "FFBWriteDepthSpan: n(%d) x(%d) y(%d)\n",
(int) n, x, y);
@ -81,10 +84,28 @@ FFBWriteDepthSpan(GLcontext *ctx, GLuint n, GLint x, GLint y,
}
}
static void
FFBWriteDepthPixels(GLcontext *ctx, GLuint n, const GLint x[], const GLint y[],
const GLdepth depth[], const GLubyte mask[])
static void FFBWriteMonoDepthSpan( GLcontext *ctx,
struct gl_renderbuffer *rb,
GLuint n, GLint x, GLint y,
const void *value, const GLubyte mask[] )
{
const GLuint depthVal = *((GLuint *) value);
GLuint depths[MAX_WIDTH];
GLuint i;
for (i = 0; i < n; i++)
depths[i] = depthVal;
FFBWriteDepthSpan(ctx, rb, n, x, y, depths, mask);
}
static void FFBWriteDepthPixels( GLcontext *ctx,
struct gl_renderbuffer *rb,
GLuint n,
const GLint x[],
const GLint y[],
const void *values,
const GLubyte mask[] )
{
const GLuint *depth = (const GLuint *) values;
#ifdef DEPTH_TRACE
fprintf(stderr, "FFBWriteDepthPixels: n(%d)\n", (int) n);
#endif
@ -126,9 +147,12 @@ FFBWriteDepthPixels(GLcontext *ctx, GLuint n, const GLint x[], const GLint y[],
}
}
static void
FFBReadDepthSpan(GLcontext *ctx, GLuint n, GLint x, GLint y, GLdepth depth[])
static void FFBReadDepthSpan( GLcontext *ctx,
struct gl_renderbuffer *rb,
GLuint n, GLint x, GLint y,
void *values )
{
GLuint *depth = (GLuint *) values;
ffbContextPtr fmesa = FFB_CONTEXT(ctx);
__DRIdrawablePrivate *dPriv = fmesa->driDrawable;
GLuint *zptr;
@ -163,10 +187,13 @@ FFBReadDepthSpan(GLcontext *ctx, GLuint n, GLint x, GLint y, GLdepth depth[])
UNLOCK_HARDWARE(fmesa);
}
static void
FFBReadDepthPixels(GLcontext *ctx, GLuint n, const GLint x[], const GLint y[],
GLdepth depth[])
static void FFBReadDepthPixels( GLcontext *ctx,
struct gl_renderbuffer *rb,
GLuint n,
const GLint x[], const GLint y[],
void *values )
{
GLuint *depth = (GLuint *) values;
ffbContextPtr fmesa = FFB_CONTEXT(ctx);
__DRIdrawablePrivate *dPriv = fmesa->driDrawable;
char *zbase;
@ -202,13 +229,17 @@ FFBReadDepthPixels(GLcontext *ctx, GLuint n, const GLint x[], const GLint y[],
UNLOCK_HARDWARE(fmesa);
}
void ffbDDInitDepthFuncs(GLcontext *ctx)
/**
* Plug in the Get/Put routines for the given driRenderbuffer.
*/
void
ffbSetDepthFunctions(driRenderbuffer *drb, const GLvisual *vis)
{
struct swrast_device_driver *swdd =
_swrast_GetDeviceDriverReference(ctx);
swdd->WriteDepthSpan = FFBWriteDepthSpan;
swdd->ReadDepthSpan = FFBReadDepthSpan;
swdd->WriteDepthPixels = FFBWriteDepthPixels;
swdd->ReadDepthPixels = FFBReadDepthPixels;
assert(drb->Base.InternalFormat == GL_DEPTH_COMPONENT16);
drb->Base.GetRow = FFBReadDepthSpan;
drb->Base.GetValues = FFBReadDepthPixels;
drb->Base.PutRow = FFBWriteDepthSpan;
drb->Base.PutMonoRow = FFBWriteMonoDepthSpan;
drb->Base.PutValues = FFBWriteDepthPixels;
drb->Base.PutMonoValues = NULL;
}

View file

@ -3,6 +3,6 @@
#ifndef _FFB_DEPTH_H
#define _FFB_DEPTH_H
extern void ffbDDInitDepthFuncs(GLcontext *ctx);
void ffbSetDepthFunctions(driRenderbuffer *drb, const GLvisual *vis);
#endif /* !(_FFB_DEPTH_H) */

View file

@ -116,27 +116,20 @@ do { GLuint p = *(GLuint *)(buf + ((__x)<<2) + ((__y)<<13)); \
#include <spantmp.h>
void ffbDDInitSpanFuncs(GLcontext *ctx)
/**
* Plug in the Get/Put routines for the given driRenderbuffer.
*/
void
ffbSetSpanFunctions(driRenderbuffer *drb, const GLvisual *vis)
{
struct swrast_device_driver *swdd =
_swrast_GetDeviceDriverReference(ctx);
swdd->WriteRGBASpan = ffbWriteRGBASpan_888;
swdd->WriteRGBSpan = ffbWriteRGBSpan_888;
swdd->WriteRGBAPixels = ffbWriteRGBAPixels_888;
swdd->WriteMonoRGBASpan = ffbWriteMonoRGBASpan_888;
swdd->WriteMonoRGBAPixels = ffbWriteMonoRGBAPixels_888;
swdd->ReadRGBASpan = ffbReadRGBASpan_888;
swdd->ReadRGBAPixels = ffbReadRGBAPixels_888;
/* We don't support color index mode yet, but it will be
* very easy to do. -DaveM
*/
swdd->WriteCI8Span = NULL;
swdd->WriteCI32Span = NULL;
swdd->WriteMonoCISpan = NULL;
swdd->WriteCI32Pixels = NULL;
swdd->WriteMonoCIPixels = NULL;
swdd->ReadCI32Span = NULL;
swdd->ReadCI32Pixels = NULL;
assert(vis->redBits == 8);
assert(vis->greenBits == 8);
assert(vis->blueBits == 8);
drb->Base.GetRow = ffbReadRGBASpan_888;
drb->Base.GetValues = ffbReadRGBAPixels_888;
drb->Base.PutRow = ffbWriteRGBASpan_888;
drb->Base.PutRowRGB = ffbWriteRGBSpan_888;
drb->Base.PutMonoRow = ffbWriteMonoRGBASpan_888;
drb->Base.PutValues = ffbWriteRGBAPixels_888;
drb->Base.PutMonoValues = ffbWriteMonoRGBAPixels_888;
}

View file

@ -3,6 +3,8 @@
#ifndef _FFB_SPAN_H
#define _FFB_SPAN_H
extern void ffbDDInitSpanFuncs(GLcontext *ctx);
#include "drirenderbuffer.h"
void ffbSetSpanFunctions(driRenderbuffer *drb, const GLvisual *vis);
#endif /* !(_FFB_SPAN_H) */

View file

@ -592,6 +592,8 @@ static void ffbDDColorMask(GLcontext *ctx,
new_pmask |= 0x0000ff00;
if (b)
new_pmask |= 0x00ff0000;
if (a)
new_pmask |= 0xff000000;
if (fmesa->pmask != new_pmask) {
fmesa->pmask = new_pmask;

View file

@ -36,10 +36,12 @@
#undef STENCIL_TRACE
static void
FFBWriteStencilSpan(GLcontext *ctx, GLuint n, GLint x, GLint y,
const GLstencil stencil[], const GLubyte mask[])
static void FFBWriteStencilSpan( GLcontext *ctx,
struct gl_renderbuffer *rb,
GLuint n, GLint x, GLint y,
const void *values, const GLubyte mask[] )
{
const GLubyte *stencil = (const GLubyte *) values;
#ifdef STENCIL_TRACE
fprintf(stderr, "FFBWriteStencilSpan: n(%d) x(%d) y(%d)\n",
(int) n, x, y);
@ -79,10 +81,13 @@ FFBWriteStencilSpan(GLcontext *ctx, GLuint n, GLint x, GLint y,
}
}
static void
FFBWriteStencilPixels(GLcontext *ctx, GLuint n, const GLint x[], const GLint y[],
const GLstencil stencil[], const GLubyte mask[])
static void FFBWriteStencilPixels( GLcontext *ctx,
struct gl_renderbuffer *rb,
GLuint n,
const GLint x[], const GLint y[],
const void *values, const GLubyte mask[] )
{
const GLubyte *stencil = (const GLubyte *) values;
#ifdef STENCIL_TRACE
fprintf(stderr, "FFBWriteStencilPixels: n(%d)\n", (int) n);
#endif
@ -124,9 +129,12 @@ FFBWriteStencilPixels(GLcontext *ctx, GLuint n, const GLint x[], const GLint y[]
}
}
static void
FFBReadStencilSpan(GLcontext *ctx, GLuint n, GLint x, GLint y, GLstencil stencil[])
static void FFBReadStencilSpan( GLcontext *ctx,
struct gl_renderbuffer *rb,
GLuint n, GLint x, GLint y,
void *values)
{
GLubyte *stencil = (GLubyte *) values;
ffbContextPtr fmesa = FFB_CONTEXT(ctx);
__DRIdrawablePrivate *dPriv = fmesa->driDrawable;
GLuint *zptr;
@ -161,10 +169,12 @@ FFBReadStencilSpan(GLcontext *ctx, GLuint n, GLint x, GLint y, GLstencil stencil
UNLOCK_HARDWARE(fmesa);
}
static void
FFBReadStencilPixels(GLcontext *ctx, GLuint n, const GLint x[], const GLint y[],
GLstencil stencil[])
static void FFBReadStencilPixels( GLcontext *ctx,
struct gl_renderbuffer *rb,
GLuint n, const GLint x[], const GLint y[],
void *values )
{
GLubyte *stencil = (GLubyte *) values;
ffbContextPtr fmesa = FFB_CONTEXT(ctx);
__DRIdrawablePrivate *dPriv = fmesa->driDrawable;
char *zbase;
@ -200,22 +210,17 @@ FFBReadStencilPixels(GLcontext *ctx, GLuint n, const GLint x[], const GLint y[],
UNLOCK_HARDWARE(fmesa);
}
void ffbDDInitStencilFuncs(GLcontext *ctx)
/**
* Plug in the Get/Put routines for the given driRenderbuffer.
*/
void
ffbSetStencilFunctions(driRenderbuffer *drb, const GLvisual *vis)
{
ffbContextPtr fmesa = FFB_CONTEXT(ctx);
struct swrast_device_driver *swdd =
_swrast_GetDeviceDriverReference(ctx);
if (fmesa->ffb_sarea->flags & FFB_DRI_FFB2PLUS) {
swdd->WriteStencilSpan = FFBWriteStencilSpan;
swdd->ReadStencilSpan = FFBReadStencilSpan;
swdd->WriteStencilPixels = FFBWriteStencilPixels;
swdd->ReadStencilPixels = FFBReadStencilPixels;
} else {
swdd->WriteStencilSpan = NULL;
swdd->ReadStencilSpan = NULL;
swdd->WriteStencilPixels = NULL;
swdd->ReadStencilPixels = NULL;
}
assert(drb->Base.InternalFormat == GL_STENCIL_INDEX8_EXT);
drb->Base.GetRow = FFBReadStencilSpan;
drb->Base.GetValues = FFBReadStencilPixels;
drb->Base.PutRow = FFBWriteStencilSpan;
/*drb->Base.PutMonoRow = FFBWriteMonoStencilSpan;*/
drb->Base.PutValues = FFBWriteStencilPixels;
drb->Base.PutMonoValues = NULL;
}

View file

@ -3,6 +3,6 @@
#ifndef _FFB_STENCIL_H
#define _FFB_STENCIL_H
extern void ffbDDInitStencilFuncs(GLcontext *ctx);
void ffbSetStencilFunctions(driRenderbuffer *drb, const GLvisual *vis);
#endif /* !(_FFB_STENCIL_H) */

View file

@ -27,9 +27,12 @@
#include "ffb_xmesa.h"
#include "context.h"
#include "framebuffer.h"
#include "matrix.h"
#include "renderbuffer.h"
#include "simple_list.h"
#include "imports.h"
#include "utils.h"
#include "swrast/swrast.h"
#include "swrast_setup/swrast_setup.h"
@ -276,9 +279,6 @@ ffbCreateContext(const __GLcontextModes *mesaVis,
ffbDDExtensionsInit(ctx);
ffbDDInitDriverFuncs(ctx);
ffbDDInitStateFuncs(ctx);
ffbDDInitSpanFuncs(ctx);
ffbDDInitDepthFuncs(ctx);
ffbDDInitStencilFuncs(ctx);
ffbDDInitRenderFuncs(ctx);
/*ffbDDInitTexFuncs(ctx); not needed */
ffbDDInitBitmapFuncs(ctx);
@ -322,16 +322,63 @@ ffbCreateBuffer(__DRIscreenPrivate *driScrnPriv,
const __GLcontextModes *mesaVis,
GLboolean isPixmap )
{
/* Mesa checks for pitch > 0, but ffb doesn't use pitches */
int bogusPitch = 1;
int bpp = 4; /* we've always got a 32bpp framebuffer */
int offset = 0; /* always at 0 for offset */
if (isPixmap) {
return GL_FALSE; /* not implemented */
}
else {
} else {
GLboolean swStencil = (mesaVis->stencilBits > 0 &&
mesaVis->depthBits != 24);
#if 0
driDrawPriv->driverPrivate = (void *)
_mesa_create_framebuffer(mesaVis,
GL_FALSE, /* software depth buffer? */
_mesa_create_framebuffer(mesaVis,
GL_FALSE, /* software depth buffer? */
mesaVis->stencilBits > 0,
mesaVis->accumRedBits > 0,
mesaVis->alphaBits > 0);
#else
struct gl_framebuffer *fb = _mesa_create_framebuffer(mesaVis);
{
driRenderbuffer *frontRb
= driNewRenderbuffer(GL_RGBA, bpp, offset, bogusPitch);
ffbSetSpanFunctions(frontRb, mesaVis);
_mesa_add_renderbuffer(fb, BUFFER_FRONT_LEFT, &frontRb->Base);
}
if (mesaVis->doubleBufferMode) {
driRenderbuffer *backRb
= driNewRenderbuffer(GL_RGBA, bpp, offset, bogusPitch);
ffbSetSpanFunctions(backRb, mesaVis);
_mesa_add_renderbuffer(fb, BUFFER_BACK_LEFT, &backRb->Base);
}
if (mesaVis->depthBits == 16) {
driRenderbuffer *depthRb
= driNewRenderbuffer(GL_DEPTH_COMPONENT16, bpp, offset, bogusPitch);
ffbSetDepthFunctions(depthRb, mesaVis);
_mesa_add_renderbuffer(fb, BUFFER_DEPTH, &depthRb->Base);
}
if (mesaVis->stencilBits > 0 && !swStencil) {
driRenderbuffer *stencilRb
= driNewRenderbuffer(GL_STENCIL_INDEX8_EXT, bpp, offset,bogusPitch);
ffbSetStencilFunctions(stencilRb, mesaVis);
_mesa_add_renderbuffer(fb, BUFFER_STENCIL, &stencilRb->Base);
}
_mesa_add_soft_renderbuffers(fb,
GL_FALSE, /* color */
GL_FALSE, /* depth */
swStencil,
mesaVis->accumRedBits > 0,
GL_FALSE, /* alpha */
GL_FALSE /* aux */);
driDrawPriv->driverPrivate = (void *) fb;
#endif
return (driDrawPriv->driverPrivate != NULL);
}
}
@ -488,7 +535,7 @@ ffbMakeCurrent(__DRIcontextPrivate *driContextPriv,
fmesa->driDrawable = driDrawPriv;
_mesa_make_current2(fmesa->glCtx,
_mesa_make_current(fmesa->glCtx,
(GLframebuffer *) driDrawPriv->driverPrivate,
(GLframebuffer *) driReadPriv->driverPrivate);
@ -520,7 +567,7 @@ ffbMakeCurrent(__DRIcontextPrivate *driContextPriv,
1, 0, 0, 0, 0);
}
} else {
_mesa_make_current(NULL, NULL);
_mesa_make_current(NULL, NULL, NULL);
}
return GL_TRUE;
@ -551,30 +598,172 @@ void ffbXMesaUpdateState(ffbContextPtr fmesa)
}
}
static struct __DriverAPIRec ffbAPI = {
ffbInitDriver,
ffbDestroyScreen,
ffbCreateContext,
ffbDestroyContext,
ffbCreateBuffer,
ffbDestroyBuffer,
ffbSwapBuffers,
ffbMakeCurrent,
ffbUnbindContext
static const struct __DriverAPIRec ffbAPI = {
.InitDriver = ffbInitDriver,
.DestroyScreen = ffbDestroyScreen,
.CreateContext = ffbCreateContext,
.DestroyContext = ffbDestroyContext,
.CreateBuffer = ffbCreateBuffer,
.DestroyBuffer = ffbDestroyBuffer,
.SwapBuffers = ffbSwapBuffers,
.MakeCurrent = ffbMakeCurrent,
.UnbindContext = ffbUnbindContext,
.GetSwapInfo = NULL,
.GetMSC = NULL,
.WaitForMSC = NULL,
.WaitForSBC = NULL,
.SwapBuffersMSC = NULL
};
/*
* This is the bootstrap function for the driver.
* The __driCreateScreen name is the symbol that libGL.so fetches.
* Return: pointer to a __DRIscreenPrivate.
*/
#if !defined(DRI_NEW_INTERFACE_ONLY)
void *__driCreateScreen(Display *dpy, int scrn, __DRIscreen *psc,
int numConfigs, __GLXvisualConfig *config)
int numConfigs, __GLXvisualConfig *config)
{
__DRIscreenPrivate *psp;
psp = __driUtilCreateScreen(dpy, scrn, psc, numConfigs, config, &ffbAPI);
return (void *) psp;
}
#endif /* !defined(DRI_NEW_INTERFACE_ONLY) */
#ifdef USE_NEW_INTERFACE
static PFNGLXCREATECONTEXTMODES create_context_modes = NULL;
static __GLcontextModes *
ffbFillInModes( 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;
/* GLX_SWAP_COPY_OML is only supported because the FFB driver doesn't
* support pageflipping at all.
*/
static const GLenum back_buffer_modes[] = {
GLX_NONE, GLX_SWAP_UNDEFINED_OML, GLX_SWAP_COPY_OML
};
u_int8_t depth_bits_array[3];
u_int8_t stencil_bits_array[3];
depth_bits_array[0] = 0;
depth_bits_array[1] = depth_bits;
depth_bits_array[2] = 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] = 0;
stencil_bits_array[2] = (stencil_bits == 0) ? 8 : stencil_bits;
depth_buffer_factor = ((depth_bits != 0) || (stencil_bits != 0)) ? 3 : 1;
back_buffer_factor = (have_back_buffer) ? 3 : 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_BGRA;
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;
}
#endif /* USE_NEW_INTERFACE */
/**
* 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.
*/
#ifdef USE_NEW_INTERFACE
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 = { 0, 0, 1 };
static const __DRIversion dri_expected = { 4, 0, 0 };
static const __DRIversion drm_expected = { 0, 0, 1 };
if ( ! driCheckDriDdxDrmVersions2( "ffb",
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, &ffbAPI);
if ( psp != NULL ) {
create_context_modes = (PFNGLXCREATECONTEXTMODES)
glXGetProcAddress( (const GLubyte *) "__glXCreateContextModes" );
if ( create_context_modes != NULL ) {
*driver_modes = ffbFillInModes( 32, 16, 0, GL_TRUE );
}
}
return (void *) psp;
}
#endif /* USE_NEW_INTERFACE */