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-rw-r--r--src/mesa/drivers/x11/xm_dd.c216
-rw-r--r--src/mesa/drivers/x11/xmesaP.h3
2 files changed, 59 insertions, 160 deletions
diff --git a/src/mesa/drivers/x11/xm_dd.c b/src/mesa/drivers/x11/xm_dd.c
index 76195e17e4..abad300cc3 100644
--- a/src/mesa/drivers/x11/xm_dd.c
+++ b/src/mesa/drivers/x11/xm_dd.c
@@ -211,7 +211,7 @@ color_mask(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);
@@ -224,92 +224,41 @@ clear_pixmap(GLcontext *ctx, struct xmesa_renderbuffer *xrb, GLboolean all,
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) {
- const GLuint c16 = xrb->ximage->bytes_per_line & ~0xf;
- GLuint i;
- GLubyte *ptr = (GLubyte *) xrb->ximage->data;
- for (i = 0; i < xrb->Base.Height; i++) {
- GLuint j;
- const 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 < (GLuint) 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++;
}
}
}
@@ -317,42 +266,20 @@ clear_HPCR_ximage( GLcontext *ctx, struct xmesa_renderbuffer *xrb,
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;
}
}
}
@@ -361,61 +288,31 @@ clear_16bit_ximage( GLcontext *ctx, struct xmesa_renderbuffer *xrb,
/* 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++;
}
}
}
@@ -424,7 +321,7 @@ clear_24bit_ximage(GLcontext *ctx, struct xmesa_renderbuffer *xrb,
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;
@@ -439,10 +336,12 @@ clear_32bit_ximage(GLcontext *ctx, struct xmesa_renderbuffer *xrb,
| ((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 {
@@ -452,6 +351,7 @@ clear_32bit_ximage(GLcontext *ctx, struct xmesa_renderbuffer *xrb,
}
}
else {
+ /* clearing scissored region */
GLint i, j;
for (j = 0; j < height; j++) {
GLuint *ptr4 = PIXEL_ADDR4(xrb, x, y + j);
@@ -465,15 +365,12 @@ clear_32bit_ximage(GLcontext *ctx, struct xmesa_renderbuffer *xrb,
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++) {
@@ -487,12 +384,17 @@ clear_nbit_ximage(GLcontext *ctx, struct xmesa_renderbuffer *xrb,
static void
clear_buffers( GLcontext *ctx, GLbitfield mask,
- GLboolean all, GLint x, GLint y, GLint width, GLint height )
+ GLboolean all, GLint xFoo, GLint yFoo,
+ GLint widthFoo, GLint heightFoo )
{
if (ctx->DrawBuffer->Name == 0) {
/* this is a window system framebuffer */
const GLuint *colorMask = (GLuint *) &ctx->Color.ColorMask;
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) {
@@ -502,8 +404,7 @@ clear_buffers( GLcontext *ctx, GLbitfield mask,
= 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);
+ b->frontxrb->clearFunc(ctx, b->frontxrb, x, y, width, height);
mask &= ~BUFFER_BIT_FRONT_LEFT;
}
else {
@@ -516,15 +417,14 @@ clear_buffers( GLcontext *ctx, GLbitfield mask,
= 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);
+ b->backxrb->clearFunc(ctx, b->backxrb, x, y, width, height);
mask &= ~BUFFER_BIT_BACK_LEFT;
}
}
}
}
if (mask)
- _swrast_Clear( ctx, mask, all, x, y, width, height );
+ _swrast_Clear( ctx, mask, 0, 0, 0, 0, 0);
}
diff --git a/src/mesa/drivers/x11/xmesaP.h b/src/mesa/drivers/x11/xmesaP.h
index 86b01e8737..e332fb5480 100644
--- a/src/mesa/drivers/x11/xmesaP.h
+++ b/src/mesa/drivers/x11/xmesaP.h
@@ -56,8 +56,7 @@ struct xmesa_renderbuffer;
/* Function pointer for clearing color buffers */
typedef void (*ClearFunc)( GLcontext *ctx, struct xmesa_renderbuffer *xrb,
- GLboolean all, GLint x, GLint y,
- GLint width, GLint height );
+ GLint x, GLint y, GLint width, GLint height );
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-10 09:41:02 +0000