Add support for more surface types in sp_surface.c

replace PIPE_FORMAT_U_L8_A8 with PIPE_FORMAT_U_A8_L8

3 files changed, 366 insertions, 2 deletions

diff --git a/src/mesa/pipe/i915simple/i915_state_sampler.c b/src/mesa/pipe/i915simple/i915_state_sampler.c
index e4d7fec27be..7a595d10229 100644
--- a/src/mesa/pipe/i915simple/i915_state_sampler.c
+++ b/src/mesa/pipe/i915simple/i915_state_sampler.c
@@ -295,7 +295,7 @@ translate_texture_format(uint pipeFormat)
       return MAPSURF_8BIT | MT_8BIT_I8;
    case PIPE_FORMAT_U_A8:
       return MAPSURF_8BIT | MT_8BIT_A8;
-   case PIPE_FORMAT_U_L8_A8:
+   case PIPE_FORMAT_U_A8_L8:
       return MAPSURF_16BIT | MT_16BIT_AY88;
    case PIPE_FORMAT_U_R5_G6_B5:
       return MAPSURF_16BIT | MT_16BIT_RGB565;
diff --git a/src/mesa/pipe/p_defines.h b/src/mesa/pipe/p_defines.h
index 636711938c8..c1164c5c08b 100644
--- a/src/mesa/pipe/p_defines.h
+++ b/src/mesa/pipe/p_defines.h
@@ -178,7 +178,7 @@
 #define PIPE_FORMAT_U_L8               6  /**< ubyte luminance */
 #define PIPE_FORMAT_U_A8               7  /**< ubyte alpha */
 #define PIPE_FORMAT_U_I8               8  /**< ubyte intensity */
-#define PIPE_FORMAT_U_L8_A8            9  /**< ubyte luminance, alpha */
+#define PIPE_FORMAT_U_A8_L8            9  /**< ubyte alpha, luminance */
 #define PIPE_FORMAT_S_R16_G16_B16_A16 10  /**< signed 16-bit RGBA (accum) */
 #define PIPE_FORMAT_YCBCR             11
 #define PIPE_FORMAT_YCBCR_REV         12
diff --git a/src/mesa/pipe/softpipe/sp_surface.c b/src/mesa/pipe/softpipe/sp_surface.c
index 84d02f91e7c..75e36e3e3fb 100755
--- a/src/mesa/pipe/softpipe/sp_surface.c
+++ b/src/mesa/pipe/softpipe/sp_surface.c
@@ -200,6 +200,348 @@ z16_write_quad_z(struct softpipe_surface *sps,
 }
 
 
+/*** PIPE_FORMAT_U_L8 ***/
+
+static void
+l8_read_quad_f_swz(struct softpipe_surface *sps, int x, int y,
+                   float (*rrrr)[QUAD_SIZE])
+{
+   const ubyte *src
+      = ((const ubyte *) (sps->surface.region->map + sps->surface.offset))
+      + y * sps->surface.region->pitch + x;
+   unsigned i, j;
+
+   assert(sps->surface.format == PIPE_FORMAT_U_L8);
+   assert(x < (int) sps->surface.width - 1);
+   assert(y < (int) sps->surface.height - 1);
+
+   for (i = 0; i < 2; i++) { /* loop over pixel row */
+      for (j = 0; j < 2; j++) {  /* loop over pixel column */
+         rrrr[0][i * 2 + j] =
+         rrrr[1][i * 2 + j] =
+         rrrr[2][i * 2 + j] = UBYTE_TO_FLOAT(src[j]);
+         rrrr[3][i * 2 + j] = 1.0F;
+      }
+      src += sps->surface.region->pitch;
+   }
+}
+
+static void
+l8_write_quad_f_swz(struct softpipe_surface *sps, int x, int y,
+                    float (*rrrr)[QUAD_SIZE])
+{
+   ubyte *dst
+      = ((ubyte *) (sps->surface.region->map + sps->surface.offset))
+      + y * sps->surface.region->pitch + x;
+   unsigned i, j;
+
+   assert(sps->surface.format == PIPE_FORMAT_U_L8);
+
+   for (i = 0; i < 2; i++) { /* loop over pixel row */
+      for (j = 0; j < 2; j++) {  /* loop over pixel column */
+         ubyte r;
+         UNCLAMPED_FLOAT_TO_UBYTE(r, rrrr[0][i * 2 + j]); /*R*/
+         dst[j] = r;
+      }
+      dst += sps->surface.region->pitch;
+   }
+}
+
+static void
+l8_get_tile(struct pipe_surface *ps,
+                  unsigned x, unsigned y, unsigned w, unsigned h, float *p)
+{
+   const ubyte *src
+      = ((const ubyte *) (ps->region->map + ps->offset))
+      + y * ps->region->pitch + x;
+   unsigned i, j;
+   unsigned w0 = w;
+
+   assert(ps->format == PIPE_FORMAT_U_L8);
+
+#if 0
+   assert(x + w <= ps->width);
+   assert(y + h <= ps->height);
+#else
+   /* temp clipping hack */
+   if (x + w > ps->width)
+      w = ps->width - x;
+   if (y + h > ps->height)
+      h = ps->height -y;
+#endif
+   for (i = 0; i < h; i++) {
+      float *pRow = p;
+      for (j = 0; j < w; j++) {
+         pRow[0] =
+         pRow[1] =
+         pRow[2] = UBYTE_TO_FLOAT(src[j]);
+         pRow[3] = 1.0;
+         pRow += 4;
+      }
+      src += ps->region->pitch;
+      p += w0 * 4;
+   }
+}
+
+
+/*** PIPE_FORMAT_U_A8 ***/
+
+static void
+a8_read_quad_f_swz(struct softpipe_surface *sps, int x, int y,
+                   float (*rrrr)[QUAD_SIZE])
+{
+   const ubyte *src
+      = ((const ubyte *) (sps->surface.region->map + sps->surface.offset))
+      + y * sps->surface.region->pitch + x;
+   unsigned i, j;
+
+   assert(sps->surface.format == PIPE_FORMAT_U_A8);
+   assert(x < (int) sps->surface.width - 1);
+   assert(y < (int) sps->surface.height - 1);
+
+   for (i = 0; i < 2; i++) { /* loop over pixel row */
+      for (j = 0; j < 2; j++) {  /* loop over pixel column */
+         rrrr[0][i * 2 + j] =
+         rrrr[1][i * 2 + j] =
+         rrrr[2][i * 2 + j] = 0.0F;
+         rrrr[3][i * 2 + j] = UBYTE_TO_FLOAT(src[j]);
+      }
+      src += sps->surface.region->pitch;
+   }
+}
+
+static void
+a8_write_quad_f_swz(struct softpipe_surface *sps, int x, int y,
+                    float (*rrrr)[QUAD_SIZE])
+{
+   ubyte *dst
+      = ((ubyte *) (sps->surface.region->map + sps->surface.offset))
+      + y * sps->surface.region->pitch + x;
+   unsigned i, j;
+
+   assert(sps->surface.format == PIPE_FORMAT_U_A8);
+
+   for (i = 0; i < 2; i++) { /* loop over pixel row */
+      for (j = 0; j < 2; j++) {  /* loop over pixel column */
+         ubyte r;
+         UNCLAMPED_FLOAT_TO_UBYTE(r, rrrr[3][i * 2 + j]); /*A*/
+         dst[j] = r;
+      }
+      dst += sps->surface.region->pitch;
+   }
+}
+
+static void
+a8_get_tile(struct pipe_surface *ps,
+                  unsigned x, unsigned y, unsigned w, unsigned h, float *p)
+{
+   const ubyte *src
+      = ((const ubyte *) (ps->region->map + ps->offset))
+      + y * ps->region->pitch + x;
+   unsigned i, j;
+   unsigned w0 = w;
+
+   assert(ps->format == PIPE_FORMAT_U_A8);
+
+#if 0
+   assert(x + w <= ps->width);
+   assert(y + h <= ps->height);
+#else
+   /* temp clipping hack */
+   if (x + w > ps->width)
+      w = ps->width - x;
+   if (y + h > ps->height)
+      h = ps->height -y;
+#endif
+   for (i = 0; i < h; i++) {
+      float *pRow = p;
+      for (j = 0; j < w; j++) {
+         pRow[0] =
+         pRow[1] =
+         pRow[2] = 0.0;
+         pRow[3] = UBYTE_TO_FLOAT(src[j]);
+         pRow += 4;
+      }
+      src += ps->region->pitch;
+      p += w0 * 4;
+   }
+}
+
+
+
+/*** PIPE_FORMAT_U_I8 ***/
+
+static void
+i8_read_quad_f_swz(struct softpipe_surface *sps, int x, int y,
+                   float (*rrrr)[QUAD_SIZE])
+{
+   const ubyte *src
+      = ((const ubyte *) (sps->surface.region->map + sps->surface.offset))
+      + y * sps->surface.region->pitch + x;
+   unsigned i, j;
+
+   assert(sps->surface.format == PIPE_FORMAT_U_I8);
+   assert(x < (int) sps->surface.width - 1);
+   assert(y < (int) sps->surface.height - 1);
+
+   for (i = 0; i < 2; i++) { /* loop over pixel row */
+      for (j = 0; j < 2; j++) {  /* loop over pixel column */
+         rrrr[0][i * 2 + j] =
+         rrrr[1][i * 2 + j] =
+         rrrr[2][i * 2 + j] =
+         rrrr[3][i * 2 + j] = UBYTE_TO_FLOAT(src[j]);
+      }
+      src += sps->surface.region->pitch;
+   }
+}
+
+static void
+i8_write_quad_f_swz(struct softpipe_surface *sps, int x, int y,
+                    float (*rrrr)[QUAD_SIZE])
+{
+   ubyte *dst
+      = ((ubyte *) (sps->surface.region->map + sps->surface.offset))
+      + y * sps->surface.region->pitch + x;
+   unsigned i, j;
+
+   assert(sps->surface.format == PIPE_FORMAT_U_I8);
+
+   for (i = 0; i < 2; i++) { /* loop over pixel row */
+      for (j = 0; j < 2; j++) {  /* loop over pixel column */
+         ubyte r;
+         UNCLAMPED_FLOAT_TO_UBYTE(r, rrrr[0][i * 2 + j]); /*R*/
+         dst[j] = r;
+      }
+      dst += sps->surface.region->pitch;
+   }
+}
+
+static void
+i8_get_tile(struct pipe_surface *ps,
+            unsigned x, unsigned y, unsigned w, unsigned h, float *p)
+{
+   const ubyte *src
+      = ((const ubyte *) (ps->region->map + ps->offset))
+      + y * ps->region->pitch + x;
+   unsigned i, j;
+   unsigned w0 = w;
+
+   assert(ps->format == PIPE_FORMAT_U_I8);
+
+#if 0
+   assert(x + w <= ps->width);
+   assert(y + h <= ps->height);
+#else
+   /* temp clipping hack */
+   if (x + w > ps->width)
+      w = ps->width - x;
+   if (y + h > ps->height)
+      h = ps->height -y;
+#endif
+   for (i = 0; i < h; i++) {
+      float *pRow = p;
+      for (j = 0; j < w; j++) {
+         pRow[0] =
+         pRow[1] =
+         pRow[2] =
+         pRow[3] = UBYTE_TO_FLOAT(src[j]);
+         pRow += 4;
+      }
+      src += ps->region->pitch;
+      p += w0 * 4;
+   }
+}
+
+
+/*** PIPE_FORMAT_U_A8_L8 ***/
+
+static void
+a8_l8_read_quad_f_swz(struct softpipe_surface *sps, int x, int y,
+                      float (*rrrr)[QUAD_SIZE])
+{
+   const ushort *src
+      = ((const ushort *) (sps->surface.region->map + sps->surface.offset))
+      + y * sps->surface.region->pitch + x;
+   unsigned i, j;
+
+   assert(sps->surface.format == PIPE_FORMAT_U_A8_L8);
+   assert(x < (int) sps->surface.width - 1);
+   assert(y < (int) sps->surface.height - 1);
+
+   for (i = 0; i < 2; i++) { /* loop over pixel row */
+      for (j = 0; j < 2; j++) {  /* loop over pixel column */
+         const ushort p = src[j];
+         rrrr[0][i * 2 + j] =
+         rrrr[1][i * 2 + j] =
+         rrrr[2][i * 2 + j] = UBYTE_TO_FLOAT(p >> 8);
+         rrrr[3][i * 2 + j] = UBYTE_TO_FLOAT(p & 0xff);
+      }
+      src += sps->surface.region->pitch;
+   }
+}
+
+static void
+a8_l8_write_quad_f_swz(struct softpipe_surface *sps, int x, int y,
+                    float (*rrrr)[QUAD_SIZE])
+{
+   ushort *dst
+      = ((ushort *) (sps->surface.region->map + sps->surface.offset))
+      + y * sps->surface.region->pitch + x;
+   unsigned i, j;
+
+   assert(sps->surface.format == PIPE_FORMAT_U_A8_L8);
+
+   for (i = 0; i < 2; i++) { /* loop over pixel row */
+      for (j = 0; j < 2; j++) {  /* loop over pixel column */
+         ubyte l, a;
+         UNCLAMPED_FLOAT_TO_UBYTE(l, rrrr[0][i * 2 + j]); /*R*/
+         UNCLAMPED_FLOAT_TO_UBYTE(a, rrrr[3][i * 2 + j]); /*A*/
+         dst[j] = (l << 8) | a;
+      }
+      dst += sps->surface.region->pitch;
+   }
+}
+
+static void
+a8_l8_get_tile(struct pipe_surface *ps,
+            unsigned x, unsigned y, unsigned w, unsigned h, float *p)
+{
+   const ushort *src
+      = ((const ushort *) (ps->region->map + ps->offset))
+      + y * ps->region->pitch + x;
+   unsigned i, j;
+   unsigned w0 = w;
+
+   assert(ps->format == PIPE_FORMAT_U_A8_L8);
+
+#if 0
+   assert(x + w <= ps->width);
+   assert(y + h <= ps->height);
+#else
+   /* temp clipping hack */
+   if (x + w > ps->width)
+      w = ps->width - x;
+   if (y + h > ps->height)
+      h = ps->height -y;
+#endif
+   for (i = 0; i < h; i++) {
+      float *pRow = p;
+      for (j = 0; j < w; j++) {
+         const ushort p = src[j];
+         pRow[0] =
+         pRow[1] =
+         pRow[2] = UBYTE_TO_FLOAT(p & 0xff);
+         pRow[3] = UBYTE_TO_FLOAT(p >> 8);
+         pRow += 4;
+      }
+      src += ps->region->pitch;
+      p += w0 * 4;
+   }
+}
+
+
+
+
 /*** PIPE_FORMAT_U_Z32 ***/
 
 static void
@@ -367,6 +709,27 @@ softpipe_init_surface_funcs(struct softpipe_surface *sps)
    case PIPE_FORMAT_U_A1_R5_G5_B5:
       sps->surface.get_tile = a1r5g5b5_get_tile;
       break;
+   case PIPE_FORMAT_U_L8:
+      sps->read_quad_f_swz = l8_read_quad_f_swz;
+      sps->write_quad_f_swz = l8_write_quad_f_swz;
+      sps->surface.get_tile = l8_get_tile;
+      break;
+   case PIPE_FORMAT_U_A8:
+      sps->read_quad_f_swz = a8_read_quad_f_swz;
+      sps->write_quad_f_swz = a8_write_quad_f_swz;
+      sps->surface.get_tile = a8_get_tile;
+      break;
+   case PIPE_FORMAT_U_I8:
+      sps->read_quad_f_swz = i8_read_quad_f_swz;
+      sps->write_quad_f_swz = i8_write_quad_f_swz;
+      sps->surface.get_tile = i8_get_tile;
+      break;
+   case PIPE_FORMAT_U_A8_L8:
+      sps->read_quad_f_swz = a8_l8_read_quad_f_swz;
+      sps->write_quad_f_swz = a8_l8_write_quad_f_swz;
+      sps->surface.get_tile = a8_l8_get_tile;
+      break;
+
    case PIPE_FORMAT_U_Z16:
       sps->read_quad_z = z16_read_quad_z;
       sps->write_quad_z = z16_write_quad_z;
@@ -381,6 +744,7 @@ softpipe_init_surface_funcs(struct softpipe_surface *sps)
       sps->read_quad_stencil = s8z24_read_quad_stencil;
       sps->write_quad_stencil = s8z24_write_quad_stencil;
       break;
+
    case PIPE_FORMAT_U_S8:
       sps->read_quad_stencil = s8_read_quad_stencil;
       sps->write_quad_stencil = s8_write_quad_stencil;