They are given meanings as R, G, B and Alpha by the swizzle
specification */
# define R300_TX_FORMAT_X8 0x0
-# define R500_TX_FORMAT_X1 0x0 // bit set in format 2
# define R300_TX_FORMAT_X16 0x1
-# define R500_TX_FORMAT_X1_REV 0x0 // bit set in format 2
# define R300_TX_FORMAT_Y4X4 0x2
# define R300_TX_FORMAT_Y8X8 0x3
# define R300_TX_FORMAT_Y16X16 0x4
# define R300_TX_FORMAT_DXT1 0xF
# define R300_TX_FORMAT_DXT3 0x10
# define R300_TX_FORMAT_DXT5 0x11
-# define R300_TX_FORMAT_D3DMFT_CxV8U8 0x12 /* no swizzle */
-# define R300_TX_FORMAT_A8R8G8B8 0x13 /* no swizzle */
-# define R300_TX_FORMAT_B8G8_B8G8 0x14 /* no swizzle */
-# define R300_TX_FORMAT_G8R8_G8B8 0x15 /* no swizzle */
-
- /* These two values are wrong, but they're the only values that
- * produce any even vaguely correct results. Can r300 only do 16-bit
- * depth textures?
- */
-# define R300_TX_FORMAT_X24_Y8 0x1e
-# define R300_TX_FORMAT_X32 0x1e
-
- /* 0x16 - some 16 bit green format.. ?? */
+# define R300_TX_FORMAT_Y8 0x12
+# define R300_TX_FORMAT_AVYU444 0x13
+# define R300_TX_FORMAT_VYUY422 0x14
+# define R300_TX_FORMAT_YVYU422 0x15
+# define R300_TX_FORMAT_16_MPEG 0x16
+# define R300_TX_FORMAT_16_16_MPEG 0x17
+# define R300_TX_FORMAT_16F 0x18
+# define R300_TX_FORMAT_16F_16F 0x19
+# define R300_TX_FORMAT_16F_16F_16F_16F 0x1A
+# define R300_TX_FORMAT_32F 0x1B
+# define R300_TX_FORMAT_32F_32F 0x1C
+# define R300_TX_FORMAT_32F_32F_32F_32F 0x1D
+# define R300_TX_FORMAT_W24_FP 0x1E
+
+# define R300_TX_FORMAT_SIGNED_W (1 << 5)
+# define R300_TX_FORMAT_SIGNED_Z (1 << 6)
+# define R300_TX_FORMAT_SIGNED_Y (1 << 7)
+# define R300_TX_FORMAT_SIGNED_X (1 << 8)
+# define R300_TX_FORMAT_SIGNED (0xf << 5)
+
# define R300_TX_FORMAT_3D (1 << 25)
# define R300_TX_FORMAT_CUBIC_MAP (2 << 25)
- /* gap */
- /* Floating point formats */
- /* Note - hardware supports both 16 and 32 bit floating point */
-# define R300_TX_FORMAT_FL_I16 0x18
-# define R300_TX_FORMAT_FL_I16A16 0x19
-# define R300_TX_FORMAT_FL_R16G16B16A16 0x1A
-# define R300_TX_FORMAT_FL_I32 0x1B
-# define R300_TX_FORMAT_FL_I32A32 0x1C
-# define R300_TX_FORMAT_FL_R32G32B32A32 0x1D
/* alpha modes, convenience mostly */
/* if you have alpha, pick constant appropriate to the
number of channels (1 for I8, 2 for I8A8, 4 for R8G8B8A8, etc */
void r300_init_screen_texture_functions(struct pipe_screen* screen);
+/* Note the signature of R300_EASY_TX_FORMAT(A, R, G, B, FORMAT)... */
+static INLINE uint32_t r300_translate_texformat(enum pipe_format format)
+{
+ switch (format) {
+ /* X8 */
+ case PIPE_FORMAT_I8_UNORM:
+ return R300_EASY_TX_FORMAT(X, X, X, X, X8);
+ /* W8Z8Y8X8 */
+ case PIPE_FORMAT_A8R8G8B8_UNORM:
+ return R300_EASY_TX_FORMAT(X, Y, Z, W, W8Z8Y8X8);
+ case PIPE_FORMAT_R8G8B8A8_UNORM:
+ return R300_EASY_TX_FORMAT(Y, Z, W, X, W8Z8Y8X8);
+ default:
+ debug_printf("r300: Implementation error: "
+ "Got unsupported texture format %s in %s\n",
+ pf_name(format), __FUNCTION__);
+ break;
+ }
+ return 0;
+}
+
#ifndef R300_WINSYS_H
boolean r300_get_texture_buffer(struct pipe_texture* texture,