uint x, uint y, uint w, uint h,
void *p, int dst_stride)
{
+ struct pipe_screen *screen = pipe->screen;
const uint cpp = ps->cpp;
const ubyte *pSrc;
const uint src_stride = ps->pitch * cpp;
if (pipe_clip_tile(x, y, &w, &h, ps))
return;
- pSrc = (const ubyte *) pipe_surface_map(ps) + (y * ps->pitch + x) * cpp;
+ pSrc = (const ubyte *) screen->surface_map(screen, ps,
+ PIPE_BUFFER_USAGE_CPU_READ);
+ assert(pSrc); /* XXX: proper error handling! */
+
+ pSrc += (y * ps->pitch + x) * cpp;
pDest = (ubyte *) p;
for (i = 0; i < h; i++) {
pSrc += src_stride;
}
- pipe_surface_unmap(ps);
+ screen->surface_unmap(screen, ps);
}
uint x, uint y, uint w, uint h,
const void *p, int src_stride)
{
+ struct pipe_screen *screen = pipe->screen;
const uint cpp = ps->cpp;
const ubyte *pSrc;
const uint dst_stride = ps->pitch * cpp;
return;
pSrc = (const ubyte *) p;
- pDest = (ubyte *) pipe_surface_map(ps) + (y * ps->pitch + x) * cpp;
+
+ pDest = screen->surface_map(screen, ps, PIPE_BUFFER_USAGE_CPU_WRITE);
+ assert(pDest); /* XXX: proper error handling */
+
+ pDest += (y * ps->pitch + x) * cpp;
for (i = 0; i < h; i++) {
memcpy(pDest, pSrc, w * cpp);
pSrc += src_stride;
}
- pipe_surface_unmap(ps);
+ screen->surface_unmap(screen, ps);
}
}
+/*** PIPE_FORMAT_A8R8G8B8_UNORM ***/
+
+static void
+x8r8g8b8_get_tile_rgba(unsigned *src,
+ unsigned w, unsigned h,
+ float *p,
+ unsigned dst_stride)
+{
+ unsigned i, j;
+
+ for (i = 0; i < h; i++) {
+ float *pRow = p;
+ for (j = 0; j < w; j++, pRow += 4) {
+ const unsigned pixel = *src++;
+ pRow[0] = UBYTE_TO_FLOAT((pixel >> 16) & 0xff);
+ pRow[1] = UBYTE_TO_FLOAT((pixel >> 8) & 0xff);
+ pRow[2] = UBYTE_TO_FLOAT((pixel >> 0) & 0xff);
+ pRow[3] = UBYTE_TO_FLOAT(0xff);
+ }
+ p += dst_stride;
+ }
+}
+
+
+static void
+x8r8g8b8_put_tile_rgba(unsigned *dst,
+ unsigned w, unsigned h,
+ const float *p,
+ unsigned src_stride)
+{
+ unsigned i, j;
+
+ for (i = 0; i < h; i++) {
+ const float *pRow = p;
+ for (j = 0; j < w; j++, pRow += 4) {
+ unsigned r, g, b;
+ UNCLAMPED_FLOAT_TO_UBYTE(r, pRow[0]);
+ UNCLAMPED_FLOAT_TO_UBYTE(g, pRow[1]);
+ UNCLAMPED_FLOAT_TO_UBYTE(b, pRow[2]);
+ *dst++ = (0xff << 24) | (r << 16) | (g << 8) | b;
+ }
+ p += src_stride;
+ }
+}
+
+
/*** PIPE_FORMAT_B8G8R8A8_UNORM ***/
static void
-/*** PIPE_FORMAT_U_L8 ***/
+/*** PIPE_FORMAT_L8_UNORM ***/
static void
l8_get_tile_rgba(ubyte *src,
}
-/*** PIPE_FORMAT_U_A8 ***/
+/*** PIPE_FORMAT_A8_UNORM ***/
static void
a8_get_tile_rgba(ubyte *src,
-/*** PIPE_FORMAT_U_I8 ***/
+/*** PIPE_FORMAT_I8_UNORM ***/
static void
i8_get_tile_rgba(ubyte *src,
}
-/*** PIPE_FORMAT_U_A8_L8 ***/
+/*** PIPE_FORMAT_A8L8_UNORM ***/
static void
a8_l8_get_tile_rgba(ushort *src,
}
+/*** PIPE_FORMAT_YCBCR / PIPE_FORMAT_YCBCR_REV ***/
+
+/**
+ * Convert YCbCr (or YCrCb) to RGBA.
+ */
+static void
+ycbcr_get_tile_rgba(ushort *src,
+ unsigned w, unsigned h,
+ float *p,
+ unsigned dst_stride,
+ boolean rev)
+{
+ const float scale = 1.0f / 255.0f;
+ unsigned i, j;
+
+ /* we're assuming we're being asked for an even number of texels */
+ assert((w & 1) == 0);
+
+ for (i = 0; i < h; i++) {
+ float *pRow = p;
+ /* do two texels at a time */
+ for (j = 0; j < w; j += 2, src += 2) {
+ const ushort t0 = src[0];
+ const ushort t1 = src[1];
+ const ubyte y0 = (t0 >> 8) & 0xff; /* luminance */
+ const ubyte y1 = (t1 >> 8) & 0xff; /* luminance */
+ ubyte cb, cr;
+ float r, g, b;
+
+ if (rev) {
+ cb = t1 & 0xff; /* chroma U */
+ cr = t0 & 0xff; /* chroma V */
+ }
+ else {
+ cb = t0 & 0xff; /* chroma U */
+ cr = t1 & 0xff; /* chroma V */
+ }
+
+ /* even pixel: y0,cr,cb */
+ r = 1.164f * (y0-16) + 1.596f * (cr-128);
+ g = 1.164f * (y0-16) - 0.813f * (cr-128) - 0.391f * (cb-128);
+ b = 1.164f * (y0-16) + 2.018f * (cb-128);
+ pRow[0] = r * scale;
+ pRow[1] = g * scale;
+ pRow[2] = b * scale;
+ pRow[3] = 1.0f;
+ pRow += 4;
+
+ /* odd pixel: use y1,cr,cb */
+ r = 1.164f * (y1-16) + 1.596f * (cr-128);
+ g = 1.164f * (y1-16) - 0.813f * (cr-128) - 0.391f * (cb-128);
+ b = 1.164f * (y1-16) + 2.018f * (cb-128);
+ pRow[0] = r * scale;
+ pRow[1] = g * scale;
+ pRow[2] = b * scale;
+ pRow[3] = 1.0f;
+ pRow += 4;
+
+ }
+ p += dst_stride;
+ }
+}
+
+
void
pipe_get_tile_rgba(struct pipe_context *pipe,
struct pipe_surface *ps,
case PIPE_FORMAT_A8R8G8B8_UNORM:
a8r8g8b8_get_tile_rgba((unsigned *) packed, w, h, p, dst_stride);
break;
+ case PIPE_FORMAT_X8R8G8B8_UNORM:
+ x8r8g8b8_get_tile_rgba((unsigned *) packed, w, h, p, dst_stride);
+ break;
case PIPE_FORMAT_B8G8R8A8_UNORM:
b8g8r8a8_get_tile_rgba((unsigned *) packed, w, h, p, dst_stride);
break;
case PIPE_FORMAT_R5G6B5_UNORM:
r5g6b5_get_tile_rgba((ushort *) packed, w, h, p, dst_stride);
break;
- case PIPE_FORMAT_U_L8:
+ case PIPE_FORMAT_L8_UNORM:
l8_get_tile_rgba((ubyte *) packed, w, h, p, dst_stride);
break;
- case PIPE_FORMAT_U_A8:
+ case PIPE_FORMAT_A8_UNORM:
a8_get_tile_rgba((ubyte *) packed, w, h, p, dst_stride);
break;
- case PIPE_FORMAT_U_I8:
+ case PIPE_FORMAT_I8_UNORM:
i8_get_tile_rgba((ubyte *) packed, w, h, p, dst_stride);
break;
- case PIPE_FORMAT_U_A8_L8:
+ case PIPE_FORMAT_A8L8_UNORM:
a8_l8_get_tile_rgba((ushort *) packed, w, h, p, dst_stride);
break;
case PIPE_FORMAT_R16G16B16A16_SNORM:
z32_get_tile_rgba((unsigned *) packed, w, h, p, dst_stride);
break;
case PIPE_FORMAT_S8Z24_UNORM:
+ case PIPE_FORMAT_X8Z24_UNORM:
s8z24_get_tile_rgba((unsigned *) packed, w, h, p, dst_stride);
break;
case PIPE_FORMAT_Z24S8_UNORM:
z24s8_get_tile_rgba((unsigned *) packed, w, h, p, dst_stride);
break;
+ case PIPE_FORMAT_YCBCR:
+ assert((x & 1) == 0);
+ ycbcr_get_tile_rgba((ushort *) packed, w, h, p, dst_stride, FALSE);
+ break;
+ case PIPE_FORMAT_YCBCR_REV:
+ assert((x & 1) == 0);
+ ycbcr_get_tile_rgba((ushort *) packed, w, h, p, dst_stride, TRUE);
+ break;
default:
assert(0);
}
case PIPE_FORMAT_A8R8G8B8_UNORM:
a8r8g8b8_put_tile_rgba((unsigned *) packed, w, h, p, src_stride);
break;
+ case PIPE_FORMAT_X8R8G8B8_UNORM:
+ x8r8g8b8_put_tile_rgba((unsigned *) packed, w, h, p, src_stride);
+ break;
case PIPE_FORMAT_B8G8R8A8_UNORM:
b8g8r8a8_put_tile_rgba((unsigned *) packed, w, h, p, src_stride);
break;
break;
case PIPE_FORMAT_R8G8B8A8_UNORM:
break;
- case PIPE_FORMAT_U_L8:
+ case PIPE_FORMAT_L8_UNORM:
/*l8_put_tile_rgba((ubyte *) packed, w, h, p, src_stride);*/
break;
- case PIPE_FORMAT_U_A8:
+ case PIPE_FORMAT_A8_UNORM:
/*a8_put_tile_rgba((ubyte *) packed, w, h, p, src_stride);*/
break;
- case PIPE_FORMAT_U_I8:
+ case PIPE_FORMAT_I8_UNORM:
/*i8_put_tile_rgba((ubyte *) packed, w, h, p, src_stride);*/
break;
- case PIPE_FORMAT_U_A8_L8:
+ case PIPE_FORMAT_A8L8_UNORM:
/*a8_l8_put_tile_rgba((ushort *) packed, w, h, p, src_stride);*/
break;
case PIPE_FORMAT_R16G16B16A16_SNORM:
/*z32_put_tile_rgba((unsigned *) packed, w, h, p, src_stride);*/
break;
case PIPE_FORMAT_S8Z24_UNORM:
+ case PIPE_FORMAT_X8Z24_UNORM:
/*s8z24_put_tile_rgba((unsigned *) packed, w, h, p, src_stride);*/
break;
case PIPE_FORMAT_Z24S8_UNORM:
FREE(packed);
}
+
+
+/**
+ * Get a block of Z values, converted to 32-bit range.
+ */
+void
+pipe_get_tile_z(struct pipe_context *pipe,
+ struct pipe_surface *ps,
+ uint x, uint y, uint w, uint h,
+ uint *z)
+{
+ struct pipe_screen *screen = pipe->screen;
+ const uint dstStride = w;
+ void *map;
+ uint *pDest = z;
+ uint i, j;
+
+ if (pipe_clip_tile(x, y, &w, &h, ps))
+ return;
+
+ map = screen->surface_map(screen, ps, PIPE_BUFFER_USAGE_CPU_READ);
+ if (!map) {
+ assert(0);
+ return;
+ }
+
+ switch (ps->format) {
+ case PIPE_FORMAT_Z32_UNORM:
+ {
+ const uint *pSrc
+ = (const uint *)map + (y * ps->pitch + x);
+ for (i = 0; i < h; i++) {
+ memcpy(pDest, pSrc, 4 * w);
+ pDest += dstStride;
+ pSrc += ps->pitch;
+ }
+ }
+ break;
+ case PIPE_FORMAT_S8Z24_UNORM:
+ case PIPE_FORMAT_X8Z24_UNORM:
+ {
+ const uint *pSrc
+ = (const uint *)map + (y * ps->pitch + x);
+ for (i = 0; i < h; i++) {
+ for (j = 0; j < w; j++) {
+ /* convert 24-bit Z to 32-bit Z */
+ pDest[j] = (pSrc[j] << 8) | (pSrc[j] & 0xff);
+ }
+ pDest += dstStride;
+ pSrc += ps->pitch;
+ }
+ }
+ break;
+ case PIPE_FORMAT_Z16_UNORM:
+ {
+ const ushort *pSrc
+ = (const ushort *)map + (y * ps->pitch + x);
+ for (i = 0; i < h; i++) {
+ for (j = 0; j < w; j++) {
+ /* convert 16-bit Z to 32-bit Z */
+ pDest[j] = (pSrc[j] << 16) | pSrc[j];
+ }
+ pDest += dstStride;
+ pSrc += ps->pitch;
+ }
+ }
+ break;
+ default:
+ assert(0);
+ }
+
+ screen->surface_unmap(screen, ps);
+}
+
+
+void
+pipe_put_tile_z(struct pipe_context *pipe,
+ struct pipe_surface *ps,
+ uint x, uint y, uint w, uint h,
+ const uint *zSrc)
+{
+ struct pipe_screen *screen = pipe->screen;
+ const uint srcStride = w;
+ const uint *pSrc = zSrc;
+ void *map;
+ uint i, j;
+
+ if (pipe_clip_tile(x, y, &w, &h, ps))
+ return;
+
+ map = screen->surface_map(screen, ps, PIPE_BUFFER_USAGE_CPU_WRITE);
+ if (!map) {
+ assert(0);
+ return;
+ }
+
+ switch (ps->format) {
+ case PIPE_FORMAT_Z32_UNORM:
+ {
+ uint *pDest = (uint *) map + (y * ps->pitch + x);
+ for (i = 0; i < h; i++) {
+ memcpy(pDest, pSrc, 4 * w);
+ pDest += ps->pitch;
+ pSrc += srcStride;
+ }
+ }
+ break;
+ case PIPE_FORMAT_S8Z24_UNORM:
+ case PIPE_FORMAT_X8Z24_UNORM:
+ {
+ uint *pDest = (uint *) map + (y * ps->pitch + x);
+ for (i = 0; i < h; i++) {
+ for (j = 0; j < w; j++) {
+ /* convert 32-bit Z to 24-bit Z (0 stencil) */
+ pDest[j] = pSrc[j] >> 8;
+ }
+ pDest += ps->pitch;
+ pSrc += srcStride;
+ }
+ }
+ break;
+ case PIPE_FORMAT_Z16_UNORM:
+ {
+ ushort *pDest = (ushort *) map + (y * ps->pitch + x);
+ for (i = 0; i < h; i++) {
+ for (j = 0; j < w; j++) {
+ /* convert 32-bit Z to 16-bit Z */
+ pDest[j] = pSrc[j] >> 16;
+ }
+ pDest += ps->pitch;
+ pSrc += srcStride;
+ }
+ }
+ break;
+ default:
+ assert(0);
+ }
+
+ screen->surface_unmap(screen, ps);
+}
+
+
projects / mesa.git / blobdiff