/*
* Mesa 3-D graphics library
- * Version: 6.5
+ * Version: 6.5.2
*
* Copyright (C) 1999-2006 Brian Paul All Rights Reserved.
*
*/
+/**
+ * \file xm_dd.h
+ * General device driver functions for Xlib driver.
+ */
+
#include "glxheader.h"
#include "bufferobj.h"
#include "buffers.h"
#include "texstore.h"
#include "texformat.h"
#include "xmesaP.h"
-#include "array_cache/acache.h"
#include "swrast/swrast.h"
#include "swrast/s_context.h"
#include "swrast_setup/swrast_setup.h"
#include "tnl/tnl.h"
#include "tnl/t_context.h"
-#ifdef XFree86Server
-#include <GL/glxtokens.h>
-#endif
-
/*
};
-/*
- * Return the size (width, height) of the X window for the given GLframebuffer.
- * Output: width - width of buffer in pixels.
- * height - height of buffer in pixels.
- */
-static void
-get_buffer_size( GLframebuffer *buffer, GLuint *width, GLuint *height )
-{
- /* We can do this cast because the first field in the XMesaBuffer
- * struct is a GLframebuffer struct. If this weren't true, we'd
- * need a pointer from the GLframebuffer to the XMesaBuffer.
- */
- const XMesaBuffer xmBuffer = (XMesaBuffer) buffer;
- unsigned int winwidth, winheight;
-#ifdef XFree86Server
- /* XFree86 GLX renderer */
- winwidth = MIN2(xmBuffer->frontxrb->drawable->width, MAX_WIDTH);
- winheight = MIN2(xmBuffer->frontxrb->drawable->height, MAX_HEIGHT);
-#else
- Window root;
- Status stat;
- int winx, winy;
- unsigned int bw, d;
-
- _glthread_LOCK_MUTEX(_xmesa_lock);
- XSync(xmBuffer->xm_visual->display, 0); /* added for Chromium */
-
- stat = XGetGeometry( xmBuffer->xm_visual->display, xmBuffer->frontxrb->pixmap,
- &root, &winx, &winy, &winwidth, &winheight, &bw, &d );
- _glthread_UNLOCK_MUTEX(_xmesa_lock);
-
- if (!stat) {
- /* probably querying a window that's recently been destroyed */
- _mesa_warning(NULL, "XGetGeometry failed!\n");
- *width = *height = 1;
- return;
- }
-#endif
-
- *width = winwidth;
- *height = winheight;
-}
-
-
static void
finish_or_flush( GLcontext *ctx )
{
* Clear the front or back color buffer, if it's implemented with a pixmap.
*/
static void
-clear_pixmap(GLcontext *ctx, struct xmesa_renderbuffer *xrb, GLboolean all,
+clear_pixmap(GLcontext *ctx, struct xmesa_renderbuffer *xrb,
GLint x, GLint y, GLint width, GLint height)
{
const XMesaContext xmesa = XMESA_CONTEXT(ctx);
assert(xrb->pixmap);
assert(xmbuf->cleargc);
- if (all) {
- XMesaFillRectangle( xmesa->display, xrb->pixmap, xmbuf->cleargc,
- 0, 0, xrb->Base.Width + 1, xrb->Base.Height + 1 );
- }
- else {
- XMesaFillRectangle( xmesa->display, xrb->pixmap, xmbuf->cleargc,
- x, xrb->Base.Height - y - height,
- width, height );
- }
+ XMesaFillRectangle( xmesa->display, xrb->pixmap, xmbuf->cleargc,
+ x, xrb->Base.Height - y - height,
+ width, height );
}
static void
clear_8bit_ximage( GLcontext *ctx, struct xmesa_renderbuffer *xrb,
- GLboolean all, GLint x, GLint y, GLint width, GLint height )
+ GLint x, GLint y, GLint width, GLint height )
{
const XMesaContext xmesa = XMESA_CONTEXT(ctx);
-
- if (all) {
- const size_t n = xrb->ximage->bytes_per_line * xrb->Base.Height;
- MEMSET( xrb->ximage->data, xmesa->clearpixel, n );
- }
- else {
- GLint i;
- for (i=0;i<height;i++) {
- GLubyte *ptr = PIXEL_ADDR1(xrb, x, y + i);
- MEMSET( ptr, xmesa->clearpixel, width );
- }
+ GLint i;
+ for (i = 0; i < height; i++) {
+ GLubyte *ptr = PIXEL_ADDR1(xrb, x, y + i);
+ MEMSET( ptr, xmesa->clearpixel, width );
}
}
static void
clear_HPCR_ximage( GLcontext *ctx, struct xmesa_renderbuffer *xrb,
- GLboolean all, GLint x, GLint y, GLint width, GLint height )
+ GLint x, GLint y, GLint width, GLint height )
{
const XMesaContext xmesa = XMESA_CONTEXT(ctx);
-
- if (all) {
- GLint i, c16 = (xrb->ximage->bytes_per_line>>4)<<4;
- GLubyte *ptr = (GLubyte *) xrb->ximage->data;
- for (i = 0; i < xrb->Base.Height; i++) {
- GLint j;
- GLubyte *sptr = xmesa->xm_visual->hpcr_clear_ximage_pattern[0];
- if (i&1) {
- sptr += 16;
- }
- for (j=0; j<c16; j+=16) {
- ptr[0] = sptr[0];
- ptr[1] = sptr[1];
- ptr[2] = sptr[2];
- ptr[3] = sptr[3];
- ptr[4] = sptr[4];
- ptr[5] = sptr[5];
- ptr[6] = sptr[6];
- ptr[7] = sptr[7];
- ptr[8] = sptr[8];
- ptr[9] = sptr[9];
- ptr[10] = sptr[10];
- ptr[11] = sptr[11];
- ptr[12] = sptr[12];
- ptr[13] = sptr[13];
- ptr[14] = sptr[14];
- ptr[15] = sptr[15];
- ptr += 16;
- }
- for (; j < xrb->ximage->bytes_per_line; j++) {
- *ptr = sptr[j&15];
- ptr++;
- }
+ GLint i;
+ for (i = y; i < y + height; i++) {
+ GLubyte *ptr = PIXEL_ADDR1( xrb, x, i );
+ int j;
+ const GLubyte *sptr = xmesa->xm_visual->hpcr_clear_ximage_pattern[0];
+ if (i & 1) {
+ sptr += 16;
}
- }
- else {
- GLint i;
- for (i=y; i<y+height; i++) {
- GLubyte *ptr = PIXEL_ADDR1( xrb, x, i );
- int j;
- const GLubyte *sptr = xmesa->xm_visual->hpcr_clear_ximage_pattern[0];
- if (i&1) {
- sptr += 16;
- }
- for (j=x; j<x+width; j++) {
- *ptr = sptr[j&15];
- ptr++;
- }
+ for (j = x; j < x + width; j++) {
+ *ptr = sptr[j&15];
+ ptr++;
}
}
}
static void
clear_16bit_ximage( GLcontext *ctx, struct xmesa_renderbuffer *xrb,
- GLboolean all, GLint x, GLint y, GLint width, GLint height)
+ GLint x, GLint y, GLint width, GLint height)
{
const XMesaContext xmesa = XMESA_CONTEXT(ctx);
- register GLuint pixel = (GLuint) xmesa->clearpixel;
+ GLuint pixel = (GLuint) xmesa->clearpixel;
+ GLint i, j;
if (xmesa->swapbytes) {
pixel = ((pixel >> 8) & 0x00ff) | ((pixel << 8) & 0xff00);
}
- if (all) {
- GLuint *ptr4 = (GLuint *) xrb->ximage->data;
- if ((pixel & 0xff) == ((pixel >> 8) & 0xff)) {
- /* low and high bytes are equal so use memset() */
- const GLuint n = xrb->ximage->bytes_per_line * xrb->Base.Height;
- MEMSET( ptr4, pixel & 0xff, n );
- }
- else {
- const GLuint n = xrb->ximage->bytes_per_line * xrb->Base.Height / 4;
- GLuint i;
- pixel = pixel | (pixel<<16);
- for (i = 0; i < n; i++) {
- ptr4[i] = pixel;
- }
- ptr4 += n;
- /* might be one last GLushort to set */
- if ((xrb->ximage->bytes_per_line * xrb->Base.Height) & 0x2)
- *(GLushort *)ptr4 = pixel & 0xffff;
- }
- }
- else {
- GLint i, j;
- for (j=0;j<height;j++) {
- GLushort *ptr2 = PIXEL_ADDR2(xrb, x, y + j);
- for (i=0;i<width;i++) {
- *ptr2++ = pixel;
- }
+ for (j = 0; j < height; j++) {
+ GLushort *ptr2 = PIXEL_ADDR2(xrb, x, y + j);
+ for (i = 0; i < width; i++) {
+ ptr2[i] = pixel;
}
}
}
/* Optimized code provided by Nozomi Ytow <noz@xfree86.org> */
static void
clear_24bit_ximage(GLcontext *ctx, struct xmesa_renderbuffer *xrb,
- GLboolean all, GLint x, GLint y, GLint width, GLint height)
+ GLint x, GLint y, GLint width, GLint height)
{
const XMesaContext xmesa = XMESA_CONTEXT(ctx);
const GLubyte r = xmesa->clearcolor[0];
const GLubyte g = xmesa->clearcolor[1];
const GLubyte b = xmesa->clearcolor[2];
- if (all) {
- if (r == g && g == b) {
- /* same value for all three components (gray) */
- const GLint w3 = xrb->Base.Width * 3;
- const GLint h = xrb->Base.Height;
- GLint i;
- for (i = 0; i < h; i++) {
- bgr_t *ptr3 = PIXEL_ADDR3(xrb, 0, i);
- MEMSET(ptr3, r, w3);
- }
- }
- else {
- /* the usual case */
- const GLint w = xrb->Base.Width;
- const GLint h = xrb->Base.Height;
- GLint i, j;
- for (i = 0; i < h; i++) {
- bgr_t *ptr3 = PIXEL_ADDR3(xrb, 0, i);
- for (j = 0; j < w; j++) {
- ptr3->r = r;
- ptr3->g = g;
- ptr3->b = b;
- ptr3++;
- }
- }
+ if (r == g && g == b) {
+ /* same value for all three components (gray) */
+ GLint j;
+ for (j = 0; j < height; j++) {
+ bgr_t *ptr3 = PIXEL_ADDR3(xrb, x, y + j);
+ MEMSET(ptr3, r, 3 * width);
}
}
else {
- /* only clear subrect of color buffer */
- if (r == g && g == b) {
- /* same value for all three components (gray) */
- GLint j;
- for (j=0;j<height;j++) {
- bgr_t *ptr3 = PIXEL_ADDR3(xrb, x, y + j);
- MEMSET(ptr3, r, 3 * width);
- }
- }
- else {
- /* non-gray clear color */
- GLint i, j;
- for (j = 0; j < height; j++) {
- bgr_t *ptr3 = PIXEL_ADDR3(xrb, x, y + j);
- for (i = 0; i < width; i++) {
- ptr3->r = r;
- ptr3->g = g;
- ptr3->b = b;
- ptr3++;
- }
+ /* non-gray clear color */
+ GLint i, j;
+ for (j = 0; j < height; j++) {
+ bgr_t *ptr3 = PIXEL_ADDR3(xrb, x, y + j);
+ for (i = 0; i < width; i++) {
+ ptr3->r = r;
+ ptr3->g = g;
+ ptr3->b = b;
+ ptr3++;
}
}
}
static void
clear_32bit_ximage(GLcontext *ctx, struct xmesa_renderbuffer *xrb,
- GLboolean all, GLint x, GLint y, GLint width, GLint height)
+ GLint x, GLint y, GLint width, GLint height)
{
const XMesaContext xmesa = XMESA_CONTEXT(ctx);
register GLuint pixel = (GLuint) xmesa->clearpixel;
| ((pixel << 24) & 0xff000000);
}
- if (all) {
+ if (width == xrb->Base.Width && height == xrb->Base.Height) {
+ /* clearing whole buffer */
const GLuint n = xrb->Base.Width * xrb->Base.Height;
GLuint *ptr4 = (GLuint *) xrb->ximage->data;
if (pixel == 0) {
+ /* common case */
_mesa_memset(ptr4, pixel, 4 * n);
}
else {
}
}
else {
+ /* clearing scissored region */
GLint i, j;
for (j = 0; j < height; j++) {
GLuint *ptr4 = PIXEL_ADDR4(xrb, x, y + j);
static void
clear_nbit_ximage(GLcontext *ctx, struct xmesa_renderbuffer *xrb,
- GLboolean all, GLint x, GLint y, GLint width, GLint height)
+ GLint x, GLint y, GLint width, GLint height)
{
const XMesaContext xmesa = XMESA_CONTEXT(ctx);
XMesaImage *img = xrb->ximage;
GLint i, j;
- /* We can ignore 'all' here - x, y, width, height are always right */
- (void) all;
-
/* TODO: optimize this */
y = YFLIP(xrb, y);
for (j = 0; j < height; j++) {
static void
-clear_buffers( GLcontext *ctx, GLbitfield mask,
- GLboolean all, GLint x, GLint y, GLint width, GLint height )
+clear_buffers(GLcontext *ctx, GLbitfield buffers)
{
if (ctx->DrawBuffer->Name == 0) {
/* this is a window system framebuffer */
const GLuint *colorMask = (GLuint *) &ctx->Color.ColorMask;
- XMesaBuffer b = (XMesaBuffer) ctx->DrawBuffer;
+ XMesaBuffer b = XMESA_BUFFER(ctx->DrawBuffer);
+ const GLint x = ctx->DrawBuffer->_Xmin;
+ const GLint y = ctx->DrawBuffer->_Ymin;
+ const GLint width = ctx->DrawBuffer->_Xmax - x;
+ const GLint height = ctx->DrawBuffer->_Ymax - y;
/* we can't handle color or index masking */
if (*colorMask == 0xffffffff && ctx->Color.IndexMask == 0xffffffff) {
- if (mask & BUFFER_BIT_FRONT_LEFT) {
+ if (buffers & BUFFER_BIT_FRONT_LEFT) {
/* clear front color buffer */
- if (b->frontxrb == (struct xmesa_renderbuffer *)
- ctx->DrawBuffer->Attachment[BUFFER_FRONT_LEFT].Renderbuffer) {
+ struct gl_renderbuffer *frontRb
+ = ctx->DrawBuffer->Attachment[BUFFER_FRONT_LEFT].Renderbuffer;
+ if (b->frontxrb == xmesa_renderbuffer(frontRb)) {
/* renderbuffer is not wrapped - great! */
- b->frontxrb->clearFunc(ctx, b->frontxrb, all, x, y,
- width, height);
- mask &= ~BUFFER_BIT_FRONT_LEFT;
+ b->frontxrb->clearFunc(ctx, b->frontxrb, x, y, width, height);
+ buffers &= ~BUFFER_BIT_FRONT_LEFT;
}
else {
/* we can't directly clear an alpha-wrapped color buffer */
}
}
- if (mask & BUFFER_BIT_BACK_LEFT) {
+ if (buffers & BUFFER_BIT_BACK_LEFT) {
/* clear back color buffer */
- if (b->backxrb == (struct xmesa_renderbuffer *)
- ctx->DrawBuffer->Attachment[BUFFER_BACK_LEFT].Renderbuffer) {
+ struct gl_renderbuffer *backRb
+ = ctx->DrawBuffer->Attachment[BUFFER_BACK_LEFT].Renderbuffer;
+ if (b->backxrb == xmesa_renderbuffer(backRb)) {
/* renderbuffer is not wrapped - great! */
- b->backxrb->clearFunc(ctx, b->backxrb, all, x, y,
- width, height);
- mask &= ~BUFFER_BIT_BACK_LEFT;
+ b->backxrb->clearFunc(ctx, b->backxrb, x, y, width, height);
+ buffers &= ~BUFFER_BIT_BACK_LEFT;
}
}
}
}
- if (mask)
- _swrast_Clear( ctx, mask, all, x, y, width, height );
-}
-
-
-/**
- * Called by ctx->Driver.ResizeBuffers()
- * Resize the front/back colorbuffers to match the latest window size.
- */
-void
-xmesa_resize_buffers(GLcontext *ctx, GLframebuffer *buffer,
- GLuint width, GLuint height)
-{
- /* We can do this cast because the first field in the XMesaBuffer
- * struct is a GLframebuffer struct. If this weren't true, we'd
- * need a pointer from the GLframebuffer to the XMesaBuffer.
- */
- XMesaBuffer xmBuffer = (XMesaBuffer) buffer;
-
- xmesa_alloc_back_buffer(xmBuffer, width, height);
-
- _mesa_resize_framebuffer(ctx, buffer, width, height);
+ if (buffers)
+ _swrast_Clear(ctx, buffers);
}
const struct gl_pixelstore_attrib *unpack,
const GLvoid *pixels )
{
- struct xmesa_renderbuffer *xrb
- = (struct xmesa_renderbuffer *) ctx->DrawBuffer->_ColorDrawBuffers[0][0];
-
- const XMesaContext xmesa = XMESA_CONTEXT(ctx);
const SWcontext *swrast = SWRAST_CONTEXT( ctx );
- XMesaDisplay *dpy = xmesa->xm_visual->display;
- XMesaBuffer xmbuf = XMESA_BUFFER(ctx->DrawBuffer);
- const XMesaGC gc = xmbuf->gc;
-
- ASSERT(dpy);
- ASSERT(gc);
- ASSERT(xmesa->xm_visual->dithered_pf == PF_8R8G8B);
- ASSERT(xmesa->xm_visual->undithered_pf == PF_8R8G8B);
+ struct gl_renderbuffer *rb = ctx->DrawBuffer->_ColorDrawBuffers[0][0];
+ struct xmesa_renderbuffer *xrb = xmesa_renderbuffer(rb->Wrapped);
if (swrast->NewState)
_swrast_validate_derived( ctx );
- if (xrb->pixmap &&
+ if (ctx->DrawBuffer->Name == 0 &&
format == GL_BGRA &&
type == GL_UNSIGNED_BYTE &&
(swrast->_RasterMask & ~CLIP_BIT) == 0 && /* no blend, z-test, etc */
ctx->_ImageTransferState == 0 && /* no color tables, scale/bias, etc */
ctx->Pixel.ZoomX == 1.0 && /* no zooming */
- ctx->Pixel.ZoomY == 1.0) {
+ ctx->Pixel.ZoomY == 1.0 &&
+ xrb->pixmap &&
+ xrb->Base.AlphaBits == 0)
+ {
+ const XMesaContext xmesa = XMESA_CONTEXT(ctx);
+ XMesaBuffer xmbuf = XMESA_BUFFER(ctx->DrawBuffer);
+ XMesaDisplay *dpy = xmesa->xm_visual->display;
+ const XMesaGC gc = xmbuf->gc;
int dstX = x;
int dstY = y;
int w = width;
int h = height;
struct gl_pixelstore_attrib clippedUnpack = *unpack;
+ ASSERT(xmesa->xm_visual->dithered_pf == PF_8R8G8B);
+ ASSERT(xmesa->xm_visual->undithered_pf == PF_8R8G8B);
+ ASSERT(dpy);
+ ASSERT(gc);
+
if (unpack->BufferObj->Name) {
/* unpack from PBO */
GLubyte *buf;
const GLvoid *pixels )
{
struct xmesa_renderbuffer *xrb
- = (struct xmesa_renderbuffer *) ctx->DrawBuffer->_ColorDrawBuffers[0][0];
+ = xmesa_renderbuffer(ctx->DrawBuffer->_ColorDrawBuffers[0][0]->Wrapped);
const XMesaContext xmesa = XMESA_CONTEXT(ctx);
const SWcontext *swrast = SWRAST_CONTEXT( ctx );
XMesaDisplay *dpy = xmesa->xm_visual->display;
const SWcontext *swrast = SWRAST_CONTEXT( ctx );
XMesaDisplay *dpy = xmesa->xm_visual->display;
const XMesaGC gc = ((XMesaBuffer) ctx->DrawBuffer)->gc;
- struct xmesa_renderbuffer *srcXrb = (struct xmesa_renderbuffer *)
- ctx->ReadBuffer->_ColorReadBuffer;
- struct xmesa_renderbuffer *dstXrb = (struct xmesa_renderbuffer *)
- ctx->DrawBuffer->_ColorDrawBuffers[0][0];
+ struct xmesa_renderbuffer *srcXrb
+ = xmesa_renderbuffer(ctx->ReadBuffer->_ColorReadBuffer->Wrapped);
+ struct xmesa_renderbuffer *dstXrb
+ = xmesa_renderbuffer(ctx->DrawBuffer->_ColorDrawBuffers[0][0]->Wrapped);
ASSERT(dpy);
ASSERT(gc);
* modules. The X11 driver has no internal GL-dependent state.
*/
_swrast_InvalidateState( ctx, new_state );
- _ac_InvalidateState( ctx, new_state );
_tnl_InvalidateState( ctx, new_state );
+ _vbo_InvalidateState( ctx, new_state );
_swsetup_InvalidateState( ctx, new_state );
if (ctx->DrawBuffer->Name != 0)
* renderbuffer span/clear funcs.
*/
if (new_state & (_NEW_COLOR | _NEW_PIXEL | _NEW_BUFFERS)) {
+ XMesaBuffer xmbuf = XMESA_BUFFER(ctx->DrawBuffer);
struct xmesa_renderbuffer *front_xrb, *back_xrb;
- front_xrb = XMESA_BUFFER(ctx->DrawBuffer)->frontxrb;
+ front_xrb = xmbuf->frontxrb;
if (front_xrb) {
xmesa_set_renderbuffer_funcs(front_xrb, xmesa->pixelformat,
xmesa->xm_visual->BitsPerPixel);
front_xrb->clearFunc = clear_pixmap;
}
- back_xrb = XMESA_BUFFER(ctx->DrawBuffer)->backxrb;
+ back_xrb = xmbuf->backxrb;
if (back_xrb) {
- XMesaBuffer xmbuf = XMESA_BUFFER(ctx->DrawBuffer);
xmesa_set_renderbuffer_funcs(back_xrb, xmesa->pixelformat,
xmesa->xm_visual->BitsPerPixel);
if (xmbuf->backxrb->pixmap) {
}
-/**
- * Get the current drawing (and reading) window's size and update the
- * corresponding gl_framebuffer(s) if needed.
- */
-static void
-update_framebuffer_size(GLcontext *ctx)
-{
- struct gl_framebuffer *fb = ctx->WinSysDrawBuffer;
- GLuint newWidth, newHeight;
- get_buffer_size(fb, &newWidth, &newHeight);
- if (newWidth != fb->Width || newHeight != fb->Height) {
- xmesa_resize_buffers(ctx, fb, newWidth, newHeight);
- }
-
- if (ctx->WinSysReadBuffer != ctx->WinSysDrawBuffer) {
- /* Update readbuffer's size */
- struct gl_framebuffer *fb = ctx->WinSysReadBuffer;
- GLuint newWidth, newHeight;
- get_buffer_size(fb, &newWidth, &newHeight);
- if (newWidth != fb->Width || newHeight != fb->Height) {
- xmesa_resize_buffers(ctx, fb, newWidth, newHeight);
- ctx->NewState |= _NEW_BUFFERS;
- }
- }
-}
-
-
/**
* Called by glViewport.
* This is a good time for us to poll the current X window size and adjust
* Thus, we poll.
* Note that this trick isn't fool-proof. If the application never calls
* glViewport, our notion of the current window size may be incorrect.
+ * That problem led to the GLX_MESA_resize_buffers extension.
*/
static void
xmesa_viewport(GLcontext *ctx, GLint x, GLint y, GLsizei w, GLsizei h)
{
- update_framebuffer_size(ctx);
+ XMesaContext xmctx = XMESA_CONTEXT(ctx);
+ XMesaBuffer xmdrawbuf = XMESA_BUFFER(ctx->WinSysDrawBuffer);
+ XMesaBuffer xmreadbuf = XMESA_BUFFER(ctx->WinSysReadBuffer);
+ xmesa_check_and_update_buffer_size(xmctx, xmdrawbuf);
+ xmesa_check_and_update_buffer_size(xmctx, xmreadbuf);
+ (void) x;
+ (void) y;
+ (void) w;
+ (void) h;
}
{
driver->GetString = get_string;
driver->UpdateState = xmesa_update_state;
- driver->GetBufferSize = get_buffer_size;
+ driver->GetBufferSize = NULL; /* OBSOLETE */
driver->Flush = finish_or_flush;
driver->Finish = finish_or_flush;
driver->ClearIndex = clear_index;
driver->ColorMask = color_mask;
driver->Enable = enable;
driver->Clear = clear_buffers;
- driver->ResizeBuffers = xmesa_resize_buffers;
driver->Viewport = xmesa_viewport;
#ifndef XFree86Server
driver->CopyPixels = xmesa_CopyPixels;
projects / mesa.git / blobdiff