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glamor: Fix and enable ZPixmap PutImage acceleration.

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This commit is contained in:
Eric Anholt 2010-02-17 13:30:20 -08:00 committed by Zhigang Gong
parent 2ba634fab9
commit 9bcbcbf8c2
1 changed files with 92 additions and 26 deletions
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118
glamor/glamor_putimage.c
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@ -137,6 +137,9 @@ glamor_put_image_xybitmap(DrawablePtr drawable, GCPtr gc,
0.0, 1.0,
};
glamor_fallback("glamor_put_image_xybitmap: disabled\n");
goto fail;
if (glamor_priv->put_image_xybitmap_prog == 0) {
ErrorF("no program for xybitmap putimage\n");
goto fail;
@ -158,6 +161,7 @@ glamor_put_image_xybitmap(DrawablePtr drawable, GCPtr gc,
glamor_set_transform_for_pixmap(pixmap, &glamor_priv->solid_transform);
glGenTextures(1, &tex);
glActiveTexture(GL_TEXTURE0);
glEnable(GL_TEXTURE_2D);
glBindTexture(GL_TEXTURE_2D, tex);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
@ -237,7 +241,10 @@ void
glamor_put_image(DrawablePtr drawable, GCPtr gc, int depth, int x, int y,
int w, int h, int left_pad, int image_format, char *bits)
{
glamor_screen_private *glamor_priv =
glamor_get_screen_private(drawable->pScreen);
PixmapPtr pixmap = glamor_get_drawable_pixmap(drawable);
glamor_pixmap_private *pixmap_priv = glamor_get_pixmap_private(pixmap);
GLenum type, format;
RegionPtr clip;
BoxPtr pbox;
@ -245,14 +252,8 @@ glamor_put_image(DrawablePtr drawable, GCPtr gc, int depth, int x, int y,
int bpp = drawable->bitsPerPixel;
int src_stride = PixmapBytePad(w, drawable->depth);
int x_off, y_off;
goto fail;
if (!glamor_set_destination_pixmap(pixmap)) {
fbPutImage(drawable, gc, depth, x, y, w, h, left_pad,
image_format, bits);
return;
}
float vertices[4][2], texcoords[4][2];
GLuint tex;
if (image_format == XYBitmap) {
assert(depth == 1);
@ -261,13 +262,26 @@ glamor_put_image(DrawablePtr drawable, GCPtr gc, int depth, int x, int y,
return;
}
if (pixmap_priv == NULL) {
glamor_fallback("glamor_put_image: system memory pixmap\n");
goto fail;
}
if (pixmap_priv->fb == 0) {
ScreenPtr screen = pixmap->drawable.pScreen;
PixmapPtr screen_pixmap = screen->GetScreenPixmap(screen);
if (pixmap != screen_pixmap) {
glamor_fallback("glamor_put_image: no fbo\n");
goto fail;
}
}
if (bpp == 1 && image_format == XYPixmap)
image_format = ZPixmap;
if (!glamor_set_planemask(pixmap, gc->planemask))
goto fail;
if (image_format != ZPixmap) {
ErrorF("putimage: non-ZPixmap\n");
glamor_fallback("glamor_put_image: non-ZPixmap\n");
goto fail;
}
@ -281,29 +295,57 @@ glamor_put_image(DrawablePtr drawable, GCPtr gc, int depth, int x, int y,
type = GL_UNSIGNED_BYTE;
break;
case 24:
format = GL_RGB;
type = GL_UNSIGNED_BYTE;
break;
assert(drawable->bitsPerPixel == 32);
/* FALLTHROUGH */
case 32:
format = GL_BGRA;
type = GL_UNSIGNED_INT_8_8_8_8_REV;
break;
default:
ErrorF("stub put_image depth %d\n", drawable->depth);
glamor_fallback("glamor_putimage: bad depth %d\n", drawable->depth);
goto fail;
}
if (!glamor_set_planemask(pixmap, gc->planemask))
goto fail;
glamor_set_alu(gc->alu);
glVertexPointer(2, GL_FLOAT, sizeof(float) * 2, vertices);
glEnableClientState(GL_VERTEX_ARRAY);
glClientActiveTexture(GL_TEXTURE0);
glTexCoordPointer(2, GL_FLOAT, sizeof(float) * 2, texcoords);
glEnableClientState(GL_TEXTURE_COORD_ARRAY);
glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, pixmap_priv->fb);
glViewport(0, 0, pixmap->drawable.width, pixmap->drawable.height);
glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
glPixelStorei(GL_UNPACK_ROW_LENGTH, src_stride * 8 /
pixmap->drawable.bitsPerPixel);
if (bpp == 1)
glPixelStorei(GL_UNPACK_SKIP_PIXELS, left_pad);
glGenTextures(1, &tex);
glActiveTexture(GL_TEXTURE0);
glBindTexture(GL_TEXTURE_2D, tex);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA,
w, h, 0,
format, type, bits);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
glEnable(GL_TEXTURE_2D);
assert(GLEW_ARB_fragment_shader);
glUseProgramObjectARB(glamor_priv->finish_access_prog);
x += drawable->x;
y += drawable->y;
glamor_get_drawable_deltas(drawable, pixmap, &x_off, &y_off);
glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
glPixelStorei(GL_UNPACK_ROW_LENGTH, src_stride * 8 / bpp);
if (bpp == 1)
glPixelStorei(GL_UNPACK_SKIP_PIXELS, left_pad);
clip = fbGetCompositeClip(gc);
for (nbox = REGION_NUM_RECTS(clip),
pbox = REGION_RECTS(clip);
@ -314,7 +356,7 @@ glamor_put_image(DrawablePtr drawable, GCPtr gc, int depth, int x, int y,
int y1 = y;
int x2 = x + w;
int y2 = y + h;
char *src;
float src_x1, src_x2, src_y1, src_y2;
if (x1 < pbox->x1)
x1 = pbox->x1;
@ -327,13 +369,37 @@ glamor_put_image(DrawablePtr drawable, GCPtr gc, int depth, int x, int y,
if (x1 >= x2 || y1 >= y2)
continue;
src = bits + (y1 - y) * src_stride + (x1 - x) * (bpp / 8);
glRasterPos2i(x1 + x_off, y1 + y_off);
glDrawPixels(x2 - x1,
y2 - y1,
format, type,
src);
src_x1 = (float)(x1 - x) / w;
src_y1 = (float)(y1 - y) / h;
src_x2 = (float)(x2 - x) / w;
src_y2 = (float)(y2 - y) / h;
vertices[0][0] = v_from_x_coord_x(pixmap, x1 + x_off);
vertices[0][1] = v_from_x_coord_y(pixmap, y1 + y_off);
vertices[1][0] = v_from_x_coord_x(pixmap, x2 + x_off);
vertices[1][1] = v_from_x_coord_y(pixmap, y1 + y_off);
vertices[2][0] = v_from_x_coord_x(pixmap, x2 + x_off);
vertices[2][1] = v_from_x_coord_y(pixmap, y2 + y_off);
vertices[3][0] = v_from_x_coord_x(pixmap, x1 + x_off);
vertices[3][1] = v_from_x_coord_y(pixmap, y2 + y_off);
texcoords[0][0] = src_x1;
texcoords[0][1] = src_y1;
texcoords[1][0] = src_x2;
texcoords[1][1] = src_y1;
texcoords[2][0] = src_x2;
texcoords[2][1] = src_y2;
texcoords[3][0] = src_x1;
texcoords[3][1] = src_y2;
glDrawArrays(GL_TRIANGLE_FAN, 0, 4);
}
glDisable(GL_TEXTURE_2D);
glUseProgramObjectARB(0);
glDisableClientState(GL_VERTEX_ARRAY);
glDisableClientState(GL_TEXTURE_COORD_ARRAY);
glDeleteTextures(1, &tex);
glPixelStorei(GL_UNPACK_ROW_LENGTH, 0);
glPixelStorei(GL_UNPACK_SKIP_PIXELS, 0);
glamor_set_alu(GXcopy);