[PATCH 08/15] glamor: Move glamor_get_tex_format_type_from_pictformat to a .c file.

Eric Anholt eric at anholt.net
Mon Feb 3 11:03:33 PST 2014


A pair of 150 lines of inlined switch statements in a header file is
crazy.

Signed-off-by: Eric Anholt <eric at anholt.net>
---
 glamor/glamor_pixmap.c | 303 +++++++++++++++++++++++++++++++++++++++++++++++++
 glamor/glamor_utils.h  | 303 -------------------------------------------------
 2 files changed, 303 insertions(+), 303 deletions(-)

diff --git a/glamor/glamor_pixmap.c b/glamor/glamor_pixmap.c
index 30aeebe..1dbeb04 100644
--- a/glamor/glamor_pixmap.c
+++ b/glamor/glamor_pixmap.c
@@ -185,6 +185,309 @@ glamor_set_alu(ScreenPtr screen, unsigned char alu)
     return TRUE;
 }
 
+/*
+ * Map picture's format to the correct gl texture format and type.
+ * no_alpha is used to indicate whehter we need to wire alpha to 1.
+ *
+ * Although opengl support A1/GL_BITMAP, we still don't use it
+ * here, it seems that mesa has bugs when uploading a A1 bitmap.
+ *
+ * Return 0 if find a matched texture type. Otherwise return -1.
+ **/
+#ifndef GLAMOR_GLES2
+static int
+glamor_get_tex_format_type_from_pictformat(PictFormatShort format,
+                                           GLenum *tex_format,
+                                           GLenum *tex_type,
+                                           int *no_alpha,
+                                           int *revert,
+                                           int *swap_rb, int is_upload)
+{
+    *no_alpha = 0;
+    *revert = REVERT_NONE;
+    *swap_rb = is_upload ? SWAP_NONE_UPLOADING : SWAP_NONE_DOWNLOADING;
+    switch (format) {
+    case PICT_a1:
+        *tex_format = GL_ALPHA;
+        *tex_type = GL_UNSIGNED_BYTE;
+        *revert = is_upload ? REVERT_UPLOADING_A1 : REVERT_DOWNLOADING_A1;
+        break;
+    case PICT_b8g8r8x8:
+        *no_alpha = 1;
+    case PICT_b8g8r8a8:
+        *tex_format = GL_BGRA;
+        *tex_type = GL_UNSIGNED_INT_8_8_8_8;
+        break;
+
+    case PICT_x8r8g8b8:
+        *no_alpha = 1;
+    case PICT_a8r8g8b8:
+        *tex_format = GL_BGRA;
+        *tex_type = GL_UNSIGNED_INT_8_8_8_8_REV;
+        break;
+    case PICT_x8b8g8r8:
+        *no_alpha = 1;
+    case PICT_a8b8g8r8:
+        *tex_format = GL_RGBA;
+        *tex_type = GL_UNSIGNED_INT_8_8_8_8_REV;
+        break;
+    case PICT_x2r10g10b10:
+        *no_alpha = 1;
+    case PICT_a2r10g10b10:
+        *tex_format = GL_BGRA;
+        *tex_type = GL_UNSIGNED_INT_2_10_10_10_REV;
+        break;
+    case PICT_x2b10g10r10:
+        *no_alpha = 1;
+    case PICT_a2b10g10r10:
+        *tex_format = GL_RGBA;
+        *tex_type = GL_UNSIGNED_INT_2_10_10_10_REV;
+        break;
+
+    case PICT_r5g6b5:
+        *tex_format = GL_RGB;
+        *tex_type = GL_UNSIGNED_SHORT_5_6_5;
+        break;
+    case PICT_b5g6r5:
+        *tex_format = GL_RGB;
+        *tex_type = GL_UNSIGNED_SHORT_5_6_5_REV;
+        break;
+    case PICT_x1b5g5r5:
+        *no_alpha = 1;
+    case PICT_a1b5g5r5:
+        *tex_format = GL_RGBA;
+        *tex_type = GL_UNSIGNED_SHORT_1_5_5_5_REV;
+        break;
+
+    case PICT_x1r5g5b5:
+        *no_alpha = 1;
+    case PICT_a1r5g5b5:
+        *tex_format = GL_BGRA;
+        *tex_type = GL_UNSIGNED_SHORT_1_5_5_5_REV;
+        break;
+    case PICT_a8:
+        *tex_format = GL_ALPHA;
+        *tex_type = GL_UNSIGNED_BYTE;
+        break;
+    case PICT_x4r4g4b4:
+        *no_alpha = 1;
+    case PICT_a4r4g4b4:
+        *tex_format = GL_BGRA;
+        *tex_type = GL_UNSIGNED_SHORT_4_4_4_4_REV;
+        break;
+
+    case PICT_x4b4g4r4:
+        *no_alpha = 1;
+    case PICT_a4b4g4r4:
+        *tex_format = GL_RGBA;
+        *tex_type = GL_UNSIGNED_SHORT_4_4_4_4_REV;
+        break;
+
+    default:
+        LogMessageVerb(X_INFO, 0,
+                       "fail to get matched format for %x \n", format);
+        return -1;
+    }
+    return 0;
+}
+
+#else
+#define IS_LITTLE_ENDIAN  (IMAGE_BYTE_ORDER == LSBFirst)
+
+static int
+glamor_get_tex_format_type_from_pictformat(PictFormatShort format,
+                                           GLenum *tex_format,
+                                           GLenum *tex_type,
+                                           int *no_alpha,
+                                           int *revert,
+                                           int *swap_rb, int is_upload)
+{
+    int need_swap_rb = 0;
+
+    *no_alpha = 0;
+    *revert = IS_LITTLE_ENDIAN ? REVERT_NONE : REVERT_NORMAL;
+
+    switch (format) {
+    case PICT_b8g8r8x8:
+        *no_alpha = 1;
+    case PICT_b8g8r8a8:
+        *tex_format = GL_RGBA;
+        *tex_type = GL_UNSIGNED_BYTE;
+        need_swap_rb = 1;
+        *revert = IS_LITTLE_ENDIAN ? REVERT_NORMAL : REVERT_NONE;
+        break;
+
+    case PICT_x8r8g8b8:
+        *no_alpha = 1;
+    case PICT_a8r8g8b8:
+        *tex_format = GL_RGBA;
+        *tex_type = GL_UNSIGNED_BYTE;
+        need_swap_rb = 1;
+        break;
+
+    case PICT_x8b8g8r8:
+        *no_alpha = 1;
+    case PICT_a8b8g8r8:
+        *tex_format = GL_RGBA;
+        *tex_type = GL_UNSIGNED_BYTE;
+        break;
+
+    case PICT_x2r10g10b10:
+        *no_alpha = 1;
+    case PICT_a2r10g10b10:
+        *tex_format = GL_RGBA;
+        /* glReadPixmap doesn't support GL_UNSIGNED_INT_10_10_10_2.
+         * we have to use GL_UNSIGNED_BYTE and do the conversion in
+         * shader latter.*/
+        *tex_type = GL_UNSIGNED_BYTE;
+        if (is_upload == 1) {
+            if (!IS_LITTLE_ENDIAN)
+                *revert = REVERT_UPLOADING_10_10_10_2;
+            else
+                *revert = REVERT_UPLOADING_2_10_10_10;
+        }
+        else {
+            if (!IS_LITTLE_ENDIAN) {
+                *revert = REVERT_DOWNLOADING_10_10_10_2;
+            }
+            else {
+                *revert = REVERT_DOWNLOADING_2_10_10_10;
+            }
+        }
+        need_swap_rb = 1;
+
+        break;
+
+    case PICT_x2b10g10r10:
+        *no_alpha = 1;
+    case PICT_a2b10g10r10:
+        *tex_format = GL_RGBA;
+        *tex_type = GL_UNSIGNED_BYTE;
+        if (is_upload == 1) {
+            if (!IS_LITTLE_ENDIAN)
+                *revert = REVERT_UPLOADING_10_10_10_2;
+            else
+                *revert = REVERT_UPLOADING_2_10_10_10;
+        }
+        else {
+            if (!IS_LITTLE_ENDIAN) {
+                *revert = REVERT_DOWNLOADING_10_10_10_2;
+            }
+            else {
+                *revert = REVERT_DOWNLOADING_2_10_10_10;
+            }
+        }
+        break;
+
+    case PICT_r5g6b5:
+        *tex_format = GL_RGB;
+        *tex_type = GL_UNSIGNED_SHORT_5_6_5;
+        *revert = IS_LITTLE_ENDIAN ? REVERT_NONE : REVERT_NORMAL;
+
+        break;
+
+    case PICT_b5g6r5:
+        *tex_format = GL_RGB;
+        *tex_type = GL_UNSIGNED_SHORT_5_6_5;
+        need_swap_rb = IS_LITTLE_ENDIAN ? 1 : 0;;
+        break;
+
+    case PICT_x1b5g5r5:
+        *no_alpha = 1;
+    case PICT_a1b5g5r5:
+        *tex_format = GL_RGBA;
+        *tex_type = GL_UNSIGNED_SHORT_5_5_5_1;
+        if (IS_LITTLE_ENDIAN) {
+            *revert =
+                is_upload ? REVERT_UPLOADING_1_5_5_5 :
+                REVERT_DOWNLOADING_1_5_5_5;
+        }
+        else
+            *revert = REVERT_NONE;
+        break;
+
+    case PICT_x1r5g5b5:
+        *no_alpha = 1;
+    case PICT_a1r5g5b5:
+        *tex_format = GL_RGBA;
+        *tex_type = GL_UNSIGNED_SHORT_5_5_5_1;
+        if (IS_LITTLE_ENDIAN) {
+            *revert =
+                is_upload ? REVERT_UPLOADING_1_5_5_5 :
+                REVERT_DOWNLOADING_1_5_5_5;
+        }
+        else
+            *revert = REVERT_NONE;
+        need_swap_rb = 1;
+        break;
+
+    case PICT_a1:
+        *tex_format = GL_ALPHA;
+        *tex_type = GL_UNSIGNED_BYTE;
+        *revert = is_upload ? REVERT_UPLOADING_A1 : REVERT_DOWNLOADING_A1;
+        break;
+
+    case PICT_a8:
+        *tex_format = GL_ALPHA;
+        *tex_type = GL_UNSIGNED_BYTE;
+        *revert = REVERT_NONE;
+        break;
+
+    case PICT_x4r4g4b4:
+        *no_alpha = 1;
+    case PICT_a4r4g4b4:
+        *tex_format = GL_RGBA;
+        *tex_type = GL_UNSIGNED_SHORT_4_4_4_4;
+        *revert = IS_LITTLE_ENDIAN ? REVERT_NORMAL : REVERT_NONE;
+        need_swap_rb = 1;
+        break;
+
+    case PICT_x4b4g4r4:
+        *no_alpha = 1;
+    case PICT_a4b4g4r4:
+        *tex_format = GL_RGBA;
+        *tex_type = GL_UNSIGNED_SHORT_4_4_4_4;
+        *revert = IS_LITTLE_ENDIAN ? REVERT_NORMAL : REVERT_NONE;
+        break;
+
+    default:
+        LogMessageVerb(X_INFO, 0,
+                       "fail to get matched format for %x \n", format);
+        return -1;
+    }
+
+    if (need_swap_rb)
+        *swap_rb = is_upload ? SWAP_UPLOADING : SWAP_DOWNLOADING;
+    else
+        *swap_rb = is_upload ? SWAP_NONE_UPLOADING : SWAP_NONE_DOWNLOADING;
+    return 0;
+}
+
+#endif
+
+static int
+glamor_get_tex_format_type_from_pixmap(PixmapPtr pixmap,
+                                       GLenum *format,
+                                       GLenum *type,
+                                       int *no_alpha,
+                                       int *revert, int *swap_rb, int is_upload)
+{
+    glamor_pixmap_private *pixmap_priv;
+    PictFormatShort pict_format;
+
+    pixmap_priv = glamor_get_pixmap_private(pixmap);
+    if (GLAMOR_PIXMAP_PRIV_IS_PICTURE(pixmap_priv))
+        pict_format = pixmap_priv->base.picture->format;
+    else
+        pict_format = format_for_depth(pixmap->drawable.depth);
+
+    return glamor_get_tex_format_type_from_pictformat(pict_format,
+                                                      format, type,
+                                                      no_alpha,
+                                                      revert,
+                                                      swap_rb, is_upload);
+}
+
 static void *
 _glamor_color_convert_a1_a8(void *src_bits, void *dst_bits, int w, int h,
                             int stride, int revert)
diff --git a/glamor/glamor_utils.h b/glamor/glamor_utils.h
index 581f8b9..f429c1f 100644
--- a/glamor/glamor_utils.h
+++ b/glamor/glamor_utils.h
@@ -914,286 +914,6 @@ format_for_pixmap(PixmapPtr pixmap)
 #define SWAP_UPLOADING	  	2
 #define SWAP_NONE_UPLOADING	3
 
-/*
- * Map picture's format to the correct gl texture format and type.
- * no_alpha is used to indicate whehter we need to wire alpha to 1.
- *
- * Although opengl support A1/GL_BITMAP, we still don't use it
- * here, it seems that mesa has bugs when uploading a A1 bitmap.
- *
- * Return 0 if find a matched texture type. Otherwise return -1.
- **/
-#ifndef GLAMOR_GLES2
-static inline int
-glamor_get_tex_format_type_from_pictformat(PictFormatShort format,
-                                           GLenum * tex_format,
-                                           GLenum * tex_type,
-                                           int *no_alpha,
-                                           int *revert,
-                                           int *swap_rb, int is_upload)
-{
-    *no_alpha = 0;
-    *revert = REVERT_NONE;
-    *swap_rb = is_upload ? SWAP_NONE_UPLOADING : SWAP_NONE_DOWNLOADING;
-    switch (format) {
-    case PICT_a1:
-        *tex_format = GL_ALPHA;
-        *tex_type = GL_UNSIGNED_BYTE;
-        *revert = is_upload ? REVERT_UPLOADING_A1 : REVERT_DOWNLOADING_A1;
-        break;
-    case PICT_b8g8r8x8:
-        *no_alpha = 1;
-    case PICT_b8g8r8a8:
-        *tex_format = GL_BGRA;
-        *tex_type = GL_UNSIGNED_INT_8_8_8_8;
-        break;
-
-    case PICT_x8r8g8b8:
-        *no_alpha = 1;
-    case PICT_a8r8g8b8:
-        *tex_format = GL_BGRA;
-        *tex_type = GL_UNSIGNED_INT_8_8_8_8_REV;
-        break;
-    case PICT_x8b8g8r8:
-        *no_alpha = 1;
-    case PICT_a8b8g8r8:
-        *tex_format = GL_RGBA;
-        *tex_type = GL_UNSIGNED_INT_8_8_8_8_REV;
-        break;
-    case PICT_x2r10g10b10:
-        *no_alpha = 1;
-    case PICT_a2r10g10b10:
-        *tex_format = GL_BGRA;
-        *tex_type = GL_UNSIGNED_INT_2_10_10_10_REV;
-        break;
-    case PICT_x2b10g10r10:
-        *no_alpha = 1;
-    case PICT_a2b10g10r10:
-        *tex_format = GL_RGBA;
-        *tex_type = GL_UNSIGNED_INT_2_10_10_10_REV;
-        break;
-
-    case PICT_r5g6b5:
-        *tex_format = GL_RGB;
-        *tex_type = GL_UNSIGNED_SHORT_5_6_5;
-        break;
-    case PICT_b5g6r5:
-        *tex_format = GL_RGB;
-        *tex_type = GL_UNSIGNED_SHORT_5_6_5_REV;
-        break;
-    case PICT_x1b5g5r5:
-        *no_alpha = 1;
-    case PICT_a1b5g5r5:
-        *tex_format = GL_RGBA;
-        *tex_type = GL_UNSIGNED_SHORT_1_5_5_5_REV;
-        break;
-
-    case PICT_x1r5g5b5:
-        *no_alpha = 1;
-    case PICT_a1r5g5b5:
-        *tex_format = GL_BGRA;
-        *tex_type = GL_UNSIGNED_SHORT_1_5_5_5_REV;
-        break;
-    case PICT_a8:
-        *tex_format = GL_ALPHA;
-        *tex_type = GL_UNSIGNED_BYTE;
-        break;
-    case PICT_x4r4g4b4:
-        *no_alpha = 1;
-    case PICT_a4r4g4b4:
-        *tex_format = GL_BGRA;
-        *tex_type = GL_UNSIGNED_SHORT_4_4_4_4_REV;
-        break;
-
-    case PICT_x4b4g4r4:
-        *no_alpha = 1;
-    case PICT_a4b4g4r4:
-        *tex_format = GL_RGBA;
-        *tex_type = GL_UNSIGNED_SHORT_4_4_4_4_REV;
-        break;
-
-    default:
-        LogMessageVerb(X_INFO, 0,
-                       "fail to get matched format for %x \n", format);
-        return -1;
-    }
-    return 0;
-}
-
-#else
-#define IS_LITTLE_ENDIAN  (IMAGE_BYTE_ORDER == LSBFirst)
-
-static inline int
-glamor_get_tex_format_type_from_pictformat(PictFormatShort format,
-                                           GLenum * tex_format,
-                                           GLenum * tex_type,
-                                           int *no_alpha,
-                                           int *revert,
-                                           int *swap_rb, int is_upload)
-{
-    int need_swap_rb = 0;
-
-    *no_alpha = 0;
-    *revert = IS_LITTLE_ENDIAN ? REVERT_NONE : REVERT_NORMAL;
-
-    switch (format) {
-    case PICT_b8g8r8x8:
-        *no_alpha = 1;
-    case PICT_b8g8r8a8:
-        *tex_format = GL_RGBA;
-        *tex_type = GL_UNSIGNED_BYTE;
-        need_swap_rb = 1;
-        *revert = IS_LITTLE_ENDIAN ? REVERT_NORMAL : REVERT_NONE;
-        break;
-
-    case PICT_x8r8g8b8:
-        *no_alpha = 1;
-    case PICT_a8r8g8b8:
-        *tex_format = GL_RGBA;
-        *tex_type = GL_UNSIGNED_BYTE;
-        need_swap_rb = 1;
-        break;
-
-    case PICT_x8b8g8r8:
-        *no_alpha = 1;
-    case PICT_a8b8g8r8:
-        *tex_format = GL_RGBA;
-        *tex_type = GL_UNSIGNED_BYTE;
-        break;
-
-    case PICT_x2r10g10b10:
-        *no_alpha = 1;
-    case PICT_a2r10g10b10:
-        *tex_format = GL_RGBA;
-        /* glReadPixmap doesn't support GL_UNSIGNED_INT_10_10_10_2.
-         * we have to use GL_UNSIGNED_BYTE and do the conversion in
-         * shader latter.*/
-        *tex_type = GL_UNSIGNED_BYTE;
-        if (is_upload == 1) {
-            if (!IS_LITTLE_ENDIAN)
-                *revert = REVERT_UPLOADING_10_10_10_2;
-            else
-                *revert = REVERT_UPLOADING_2_10_10_10;
-        }
-        else {
-            if (!IS_LITTLE_ENDIAN) {
-                *revert = REVERT_DOWNLOADING_10_10_10_2;
-            }
-            else {
-                *revert = REVERT_DOWNLOADING_2_10_10_10;
-            }
-        }
-        need_swap_rb = 1;
-
-        break;
-
-    case PICT_x2b10g10r10:
-        *no_alpha = 1;
-    case PICT_a2b10g10r10:
-        *tex_format = GL_RGBA;
-        *tex_type = GL_UNSIGNED_BYTE;
-        if (is_upload == 1) {
-            if (!IS_LITTLE_ENDIAN)
-                *revert = REVERT_UPLOADING_10_10_10_2;
-            else
-                *revert = REVERT_UPLOADING_2_10_10_10;
-        }
-        else {
-            if (!IS_LITTLE_ENDIAN) {
-                *revert = REVERT_DOWNLOADING_10_10_10_2;
-            }
-            else {
-                *revert = REVERT_DOWNLOADING_2_10_10_10;
-            }
-        }
-        break;
-
-    case PICT_r5g6b5:
-        *tex_format = GL_RGB;
-        *tex_type = GL_UNSIGNED_SHORT_5_6_5;
-        *revert = IS_LITTLE_ENDIAN ? REVERT_NONE : REVERT_NORMAL;
-
-        break;
-
-    case PICT_b5g6r5:
-        *tex_format = GL_RGB;
-        *tex_type = GL_UNSIGNED_SHORT_5_6_5;
-        need_swap_rb = IS_LITTLE_ENDIAN ? 1 : 0;;
-        break;
-
-    case PICT_x1b5g5r5:
-        *no_alpha = 1;
-    case PICT_a1b5g5r5:
-        *tex_format = GL_RGBA;
-        *tex_type = GL_UNSIGNED_SHORT_5_5_5_1;
-        if (IS_LITTLE_ENDIAN) {
-            *revert =
-                is_upload ? REVERT_UPLOADING_1_5_5_5 :
-                REVERT_DOWNLOADING_1_5_5_5;
-        }
-        else
-            *revert = REVERT_NONE;
-        break;
-
-    case PICT_x1r5g5b5:
-        *no_alpha = 1;
-    case PICT_a1r5g5b5:
-        *tex_format = GL_RGBA;
-        *tex_type = GL_UNSIGNED_SHORT_5_5_5_1;
-        if (IS_LITTLE_ENDIAN) {
-            *revert =
-                is_upload ? REVERT_UPLOADING_1_5_5_5 :
-                REVERT_DOWNLOADING_1_5_5_5;
-        }
-        else
-            *revert = REVERT_NONE;
-        need_swap_rb = 1;
-        break;
-
-    case PICT_a1:
-        *tex_format = GL_ALPHA;
-        *tex_type = GL_UNSIGNED_BYTE;
-        *revert = is_upload ? REVERT_UPLOADING_A1 : REVERT_DOWNLOADING_A1;
-        break;
-
-    case PICT_a8:
-        *tex_format = GL_ALPHA;
-        *tex_type = GL_UNSIGNED_BYTE;
-        *revert = REVERT_NONE;
-        break;
-
-    case PICT_x4r4g4b4:
-        *no_alpha = 1;
-    case PICT_a4r4g4b4:
-        *tex_format = GL_RGBA;
-        *tex_type = GL_UNSIGNED_SHORT_4_4_4_4;
-        *revert = IS_LITTLE_ENDIAN ? REVERT_NORMAL : REVERT_NONE;
-        need_swap_rb = 1;
-        break;
-
-    case PICT_x4b4g4r4:
-        *no_alpha = 1;
-    case PICT_a4b4g4r4:
-        *tex_format = GL_RGBA;
-        *tex_type = GL_UNSIGNED_SHORT_4_4_4_4;
-        *revert = IS_LITTLE_ENDIAN ? REVERT_NORMAL : REVERT_NONE;
-        break;
-
-    default:
-        LogMessageVerb(X_INFO, 0,
-                       "fail to get matched format for %x \n", format);
-        return -1;
-    }
-
-    if (need_swap_rb)
-        *swap_rb = is_upload ? SWAP_UPLOADING : SWAP_DOWNLOADING;
-    else
-        *swap_rb = is_upload ? SWAP_NONE_UPLOADING : SWAP_NONE_DOWNLOADING;
-    return 0;
-}
-
-#endif
-
 inline static int
 cache_format(GLenum format)
 {
@@ -1209,29 +929,6 @@ cache_format(GLenum format)
     }
 }
 
-static inline int
-glamor_get_tex_format_type_from_pixmap(PixmapPtr pixmap,
-                                       GLenum * format,
-                                       GLenum * type,
-                                       int *no_alpha,
-                                       int *revert, int *swap_rb, int is_upload)
-{
-    glamor_pixmap_private *pixmap_priv;
-    PictFormatShort pict_format;
-
-    pixmap_priv = glamor_get_pixmap_private(pixmap);
-    if (GLAMOR_PIXMAP_PRIV_IS_PICTURE(pixmap_priv))
-        pict_format = pixmap_priv->base.picture->format;
-    else
-        pict_format = format_for_depth(pixmap->drawable.depth);
-
-    return glamor_get_tex_format_type_from_pictformat(pict_format,
-                                                      format, type,
-                                                      no_alpha,
-                                                      revert,
-                                                      swap_rb, is_upload);
-}
-
 /* borrowed from uxa */
 static inline Bool
 glamor_get_rgba_from_pixel(CARD32 pixel,
-- 
1.9.rc1



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