mesa: simplify parameters to GetTexImage() driver hook

The target, level and texObj can be obtained through the texImage
parameter.  We could make similar changes for the TexImage() hooks too.

Reviewed-by: Eric Anholt <eric@anholt.net>

8 files changed, 26 insertions, 37 deletions

diff --git a/src/mesa/drivers/common/meta.c b/src/mesa/drivers/common/meta.c
index b6e80d7..0291368 100644
--- a/src/mesa/drivers/common/meta.c
+++ b/src/mesa/drivers/common/meta.c
@@ -3260,9 +3260,8 @@ decompress_texture_image(struct gl_context *ctx,
  * from core Mesa.
  */
 void
-_mesa_meta_GetTexImage(struct gl_context *ctx, GLenum target, GLint level,
+_mesa_meta_GetTexImage(struct gl_context *ctx,
                        GLenum format, GLenum type, GLvoid *pixels,
-                       struct gl_texture_object *texObj,
                        struct gl_texture_image *texImage)
 {
    /* We can only use the decompress-with-blit method here if the texels are
@@ -3272,6 +3271,7 @@ _mesa_meta_GetTexImage(struct gl_context *ctx, GLenum target, GLint level,
    if (_mesa_is_format_compressed(texImage->TexFormat) &&
        _mesa_get_format_datatype(texImage->TexFormat)
        == GL_UNSIGNED_NORMALIZED) {
+      struct gl_texture_object *texObj = texImage->TexObject;
       const GLuint slice = 0; /* only 2D compressed textures for now */
       /* Need to unlock the texture here to prevent deadlock... */
       _mesa_unlock_texture(ctx, texObj);
@@ -3281,7 +3281,6 @@ _mesa_meta_GetTexImage(struct gl_context *ctx, GLenum target, GLint level,
       _mesa_lock_texture(ctx, texObj);
    }
    else {
-      _mesa_get_teximage(ctx, target, level, format, type, pixels,
-                          texObj, texImage);
+      _mesa_get_teximage(ctx, format, type, pixels, texImage);
    }
 }
diff --git a/src/mesa/drivers/common/meta.h b/src/mesa/drivers/common/meta.h
index 3c91792..7ec5683 100644
--- a/src/mesa/drivers/common/meta.h
+++ b/src/mesa/drivers/common/meta.h
@@ -124,9 +124,8 @@ _mesa_meta_CopyTexSubImage3D(struct gl_context *ctx, GLenum target, GLint level,
                              GLsizei width, GLsizei height);
 
 extern void
-_mesa_meta_GetTexImage(struct gl_context *ctx, GLenum target, GLint level,
+_mesa_meta_GetTexImage(struct gl_context *ctx,
                        GLenum format, GLenum type, GLvoid *pixels,
-                       struct gl_texture_object *texObj,
                        struct gl_texture_image *texImage);
 
 
diff --git a/src/mesa/main/dd.h b/src/mesa/main/dd.h
index 720e4f5..91ecc0b 100644
--- a/src/mesa/main/dd.h
+++ b/src/mesa/main/dd.h
@@ -284,9 +284,8 @@ struct dd_function_table {
    /**
     * Called by glGetTexImage().
     */
-   void (*GetTexImage)( struct gl_context *ctx, GLenum target, GLint level,
+   void (*GetTexImage)( struct gl_context *ctx,
                         GLenum format, GLenum type, GLvoid *pixels,
-                        struct gl_texture_object *texObj,
                         struct gl_texture_image *texImage );
 
    /**
diff --git a/src/mesa/main/debug.c b/src/mesa/main/debug.c
index 0a393e5..6e695d1 100644
--- a/src/mesa/main/debug.c
+++ b/src/mesa/main/debug.c
@@ -268,9 +268,7 @@ write_texture_image(struct gl_texture_object *texObj,
       store = ctx->Pack; /* save */
       ctx->Pack = ctx->DefaultPacking;
 
-      ctx->Driver.GetTexImage(ctx, texObj->Target, level,
-                              GL_RGBA, GL_UNSIGNED_BYTE,
-                              buffer, texObj, img);
+      ctx->Driver.GetTexImage(ctx, GL_RGBA, GL_UNSIGNED_BYTE, buffer, img);
 
       /* make filename */
       _mesa_snprintf(s, sizeof(s), "/tmp/tex%u.l%u.f%u.ppm", texObj->Name, level, face);
diff --git a/src/mesa/main/mipmap.c b/src/mesa/main/mipmap.c
index e0cc6a2..7325a42 100644
--- a/src/mesa/main/mipmap.c
+++ b/src/mesa/main/mipmap.c
@@ -2032,9 +2032,10 @@ generate_mipmap_compressed(struct gl_context *ctx, GLenum target,
       ctx->Pack = ctx->DefaultPacking;
 
       /* Get the uncompressed image */
-      ctx->Driver.GetTexImage(ctx, target, texObj->BaseLevel,
+      assert(srcImage->Level == texObj->BaseLevel);
+      ctx->Driver.GetTexImage(ctx,
                               temp_base_format, temp_datatype,
-                              temp_src, texObj, srcImage);
+                              temp_src, srcImage);
       /* restore packing mode */
       ctx->Pack = save;
    }
diff --git a/src/mesa/main/texgetimage.c b/src/mesa/main/texgetimage.c
index d2f25b9..62a55df 100644
--- a/src/mesa/main/texgetimage.c
+++ b/src/mesa/main/texgetimage.c
@@ -373,9 +373,9 @@ get_tex_rgba(struct gl_context *ctx, GLuint dimensions,
 static GLboolean
 get_tex_memcpy(struct gl_context *ctx, GLenum format, GLenum type,
                GLvoid *pixels,
-               struct gl_texture_object *texObj,
                struct gl_texture_image *texImage)
 {
+   const GLenum target = texImage->TexObject->Target;
    GLboolean memCopy = GL_FALSE;
 
    /*
@@ -384,11 +384,11 @@ get_tex_memcpy(struct gl_context *ctx, GLenum format, GLenum type,
     * so we don't have to worry about those.
     * XXX more format combinations could be supported here.
     */
-   if ((texObj->Target == GL_TEXTURE_1D ||
-        texObj->Target == GL_TEXTURE_2D ||
-        texObj->Target == GL_TEXTURE_RECTANGLE ||
-        (texObj->Target >= GL_TEXTURE_CUBE_MAP_POSITIVE_X &&
-         texObj->Target <= GL_TEXTURE_CUBE_MAP_NEGATIVE_Z))) {
+   if ((target == GL_TEXTURE_1D ||
+        target == GL_TEXTURE_2D ||
+        target == GL_TEXTURE_RECTANGLE ||
+        (target >= GL_TEXTURE_CUBE_MAP_POSITIVE_X &&
+         target <= GL_TEXTURE_CUBE_MAP_NEGATIVE_Z))) {
       if ((texImage->TexFormat == MESA_FORMAT_ARGB8888 ||
              texImage->TexFormat == MESA_FORMAT_SARGB8) &&
           format == GL_BGRA &&
@@ -471,14 +471,13 @@ get_tex_memcpy(struct gl_context *ctx, GLenum format, GLenum type,
  * unmap with ctx->Driver.UnmapTextureImage().
  */
 void
-_mesa_get_teximage(struct gl_context *ctx, GLenum target, GLint level,
+_mesa_get_teximage(struct gl_context *ctx,
                    GLenum format, GLenum type, GLvoid *pixels,
-                   struct gl_texture_object *texObj,
                    struct gl_texture_image *texImage)
 {
    GLuint dimensions;
 
-   switch (target) {
+   switch (texImage->TexObject->Target) {
    case GL_TEXTURE_1D:
       dimensions = 1;
       break;
@@ -511,7 +510,7 @@ _mesa_get_teximage(struct gl_context *ctx, GLenum target, GLint level,
       pixels = ADD_POINTERS(buf, pixels);
    }
 
-   if (get_tex_memcpy(ctx, format, type, pixels, texObj, texImage)) {
+   if (get_tex_memcpy(ctx, format, type, pixels, texImage)) {
       /* all done */
    }
    else if (format == GL_DEPTH_COMPONENT) {
@@ -772,8 +771,7 @@ _mesa_GetnTexImageARB( GLenum target, GLint level, GLenum format,
 
    _mesa_lock_texture(ctx, texObj);
    {
-      ctx->Driver.GetTexImage(ctx, target, level, format, type, pixels,
-                              texObj, texImage);
+      ctx->Driver.GetTexImage(ctx, format, type, pixels, texImage);
    }
    _mesa_unlock_texture(ctx, texObj);
 }
diff --git a/src/mesa/main/texgetimage.h b/src/mesa/main/texgetimage.h
index 8612705..02b1cf4 100644
--- a/src/mesa/main/texgetimage.h
+++ b/src/mesa/main/texgetimage.h
@@ -34,9 +34,8 @@ struct gl_texture_image;
 struct gl_texture_object;
 
 extern void
-_mesa_get_teximage(struct gl_context *ctx, GLenum target, GLint level,
+_mesa_get_teximage(struct gl_context *ctx,
                    GLenum format, GLenum type, GLvoid *pixels,
-                   struct gl_texture_object *texObj,
                    struct gl_texture_image *texImage);
 
 
diff --git a/src/mesa/state_tracker/st_cb_texture.c b/src/mesa/state_tracker/st_cb_texture.c
index 260df09..b410247 100644
--- a/src/mesa/state_tracker/st_cb_texture.c
+++ b/src/mesa/state_tracker/st_cb_texture.c
@@ -815,15 +815,14 @@ st_CompressedTexImage2D(struct gl_context *ctx, GLenum target, GLint level,
  * a textured quad.  Store the results in the user's buffer.
  */
 static void
-decompress_with_blit(struct gl_context * ctx, GLenum target, GLint level,
+decompress_with_blit(struct gl_context * ctx,
                      GLenum format, GLenum type, GLvoid *pixels,
-                     struct gl_texture_object *texObj,
                      struct gl_texture_image *texImage)
 {
    struct st_context *st = st_context(ctx);
    struct pipe_context *pipe = st->pipe;
    struct st_texture_image *stImage = st_texture_image(texImage);
-   struct st_texture_object *stObj = st_texture_object(texObj);
+   struct st_texture_object *stObj = st_texture_object(texImage->TexObject);
    struct pipe_sampler_view *src_view =
       st_get_texture_sampler_view(stObj, pipe);
    const GLuint width = texImage->Width;
@@ -848,7 +847,7 @@ decompress_with_blit(struct gl_context * ctx, GLenum target, GLint level,
    }
 
    /* Choose the source mipmap level */
-   src_view->u.tex.first_level = src_view->u.tex.last_level = level;
+   src_view->u.tex.first_level = src_view->u.tex.last_level = texImage->Level;
 
    /* blit/render/decompress */
    util_blit_pixels_tex(st->blit,
@@ -925,9 +924,8 @@ decompress_with_blit(struct gl_context * ctx, GLenum target, GLint level,
  * Called via ctx->Driver.GetTexImage()
  */
 static void
-st_GetTexImage(struct gl_context * ctx, GLenum target, GLint level,
+st_GetTexImage(struct gl_context * ctx,
                GLenum format, GLenum type, GLvoid * pixels,
-               struct gl_texture_object *texObj,
                struct gl_texture_image *texImage)
 {
    struct st_texture_image *stImage = st_texture_image(texImage);
@@ -938,12 +936,10 @@ st_GetTexImage(struct gl_context * ctx, GLenum target, GLint level,
        * faster than using the fallback code in texcompress.c.
        * Note that we only expect RGBA formats (no Z/depth formats).
        */
-      decompress_with_blit(ctx, target, level, format, type, pixels,
-                           texObj, texImage);
+      decompress_with_blit(ctx, format, type, pixels, texImage);
    }
    else {
-      _mesa_get_teximage(ctx, target, level, format, type, pixels,
-			 texObj, texImage);
+      _mesa_get_teximage(ctx, format, type, pixels, texImage);
    }
 }