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Diffstat (limited to 'src/mesa/main/teximage.c')
-rw-r--r--src/mesa/main/teximage.c175
1 files changed, 85 insertions, 90 deletions
diff --git a/src/mesa/main/teximage.c b/src/mesa/main/teximage.c
index 128e0101cd6..88c76f0c1b2 100644
--- a/src/mesa/main/teximage.c
+++ b/src/mesa/main/teximage.c
@@ -3708,6 +3708,73 @@ can_avoid_reallocation(const struct gl_texture_image *texImage,
return true;
}
+
+/**
+ * Implementation for glCopyTex(ture)SubImage1/2/3D() functions.
+ */
+static void
+copy_texture_sub_image(struct gl_context *ctx, GLuint dims,
+ struct gl_texture_object *texObj,
+ GLenum target, GLint level,
+ GLint xoffset, GLint yoffset, GLint zoffset,
+ GLint x, GLint y, GLsizei width, GLsizei height,
+ const char *caller)
+{
+ struct gl_texture_image *texImage;
+
+ FLUSH_VERTICES(ctx, 0);
+
+ if (MESA_VERBOSE & (VERBOSE_API|VERBOSE_TEXTURE))
+ _mesa_debug(ctx, "%s %s %d %d %d %d %d %d %d %d\n", caller,
+ _mesa_enum_to_string(target),
+ level, xoffset, yoffset, zoffset, x, y, width, height);
+
+ if (ctx->NewState & NEW_COPY_TEX_STATE)
+ _mesa_update_state(ctx);
+
+ if (copytexsubimage_error_check(ctx, dims, texObj, target, level,
+ xoffset, yoffset, zoffset,
+ width, height, caller)) {
+ return;
+ }
+
+ _mesa_lock_texture(ctx, texObj);
+
+ texImage = _mesa_select_tex_image(texObj, target, level);
+
+ /* If we have a border, offset=-1 is legal. Bias by border width. */
+ switch (dims) {
+ case 3:
+ if (target != GL_TEXTURE_2D_ARRAY)
+ zoffset += texImage->Border;
+ /* fall-through */
+ case 2:
+ if (target != GL_TEXTURE_1D_ARRAY)
+ yoffset += texImage->Border;
+ /* fall-through */
+ case 1:
+ xoffset += texImage->Border;
+ }
+
+ if (_mesa_clip_copytexsubimage(ctx, &xoffset, &yoffset, &x, &y,
+ &width, &height)) {
+ struct gl_renderbuffer *srcRb =
+ get_copy_tex_image_source(ctx, texImage->TexFormat);
+
+ copytexsubimage_by_slice(ctx, texImage, dims, xoffset, yoffset, zoffset,
+ srcRb, x, y, width, height);
+
+ check_gen_mipmap(ctx, target, texObj, level);
+
+ /* NOTE: Don't signal _NEW_TEXTURE_OBJECT since we've only changed
+ * the texel data, not the texture format, size, etc.
+ */
+ }
+
+ _mesa_unlock_texture(ctx, texObj);
+}
+
+
/**
* Implement the glCopyTexImage1/2D() functions.
*/
@@ -3760,9 +3827,8 @@ copyteximage(struct gl_context *ctx, GLuint dims,
if (texImage && can_avoid_reallocation(texImage, internalFormat, texFormat,
x, y, width, height, border)) {
_mesa_unlock_texture(ctx, texObj);
- _mesa_copy_texture_sub_image(ctx, dims, texObj, target, level,
- 0, 0, 0, x, y, width, height,
- "CopyTexImage");
+ copy_texture_sub_image(ctx, dims, texObj, target, level, 0, 0, 0, x, y,
+ width, height,"CopyTexImage");
return;
}
}
@@ -3888,72 +3954,7 @@ _mesa_CopyTexImage2D( GLenum target, GLint level, GLenum internalFormat,
x, y, width, height, border);
}
-/**
- * Implementation for glCopyTex(ture)SubImage1/2/3D() functions.
- */
-void
-_mesa_copy_texture_sub_image(struct gl_context *ctx, GLuint dims,
- struct gl_texture_object *texObj,
- GLenum target, GLint level,
- GLint xoffset, GLint yoffset, GLint zoffset,
- GLint x, GLint y,
- GLsizei width, GLsizei height,
- const char *caller)
-{
- struct gl_texture_image *texImage;
-
- FLUSH_VERTICES(ctx, 0);
-
- if (MESA_VERBOSE & (VERBOSE_API|VERBOSE_TEXTURE))
- _mesa_debug(ctx, "%s %s %d %d %d %d %d %d %d %d\n", caller,
- _mesa_enum_to_string(target),
- level, xoffset, yoffset, zoffset, x, y, width, height);
-
- if (ctx->NewState & NEW_COPY_TEX_STATE)
- _mesa_update_state(ctx);
-
- if (copytexsubimage_error_check(ctx, dims, texObj, target, level,
- xoffset, yoffset, zoffset,
- width, height, caller)) {
- return;
- }
-
- _mesa_lock_texture(ctx, texObj);
- {
- texImage = _mesa_select_tex_image(texObj, target, level);
- /* If we have a border, offset=-1 is legal. Bias by border width. */
- switch (dims) {
- case 3:
- if (target != GL_TEXTURE_2D_ARRAY)
- zoffset += texImage->Border;
- /* fall-through */
- case 2:
- if (target != GL_TEXTURE_1D_ARRAY)
- yoffset += texImage->Border;
- /* fall-through */
- case 1:
- xoffset += texImage->Border;
- }
-
- if (_mesa_clip_copytexsubimage(ctx, &xoffset, &yoffset, &x, &y,
- &width, &height)) {
- struct gl_renderbuffer *srcRb =
- get_copy_tex_image_source(ctx, texImage->TexFormat);
-
- copytexsubimage_by_slice(ctx, texImage, dims,
- xoffset, yoffset, zoffset,
- srcRb, x, y, width, height);
-
- check_gen_mipmap(ctx, target, texObj, level);
-
- /* NOTE: Don't signal _NEW_TEXTURE_OBJECT since we've only changed
- * the texel data, not the texture format, size, etc.
- */
- }
- }
- _mesa_unlock_texture(ctx, texObj);
-}
void GLAPIENTRY
_mesa_CopyTexSubImage1D( GLenum target, GLint level,
@@ -3976,12 +3977,10 @@ _mesa_CopyTexSubImage1D( GLenum target, GLint level,
if (!texObj)
return;
- _mesa_copy_texture_sub_image(ctx, 1, texObj, target, level, xoffset, 0, 0,
- x, y, width, 1, self);
+ copy_texture_sub_image(ctx, 1, texObj, target, level, xoffset, 0, 0,
+ x, y, width, 1, self);
}
-
-
void GLAPIENTRY
_mesa_CopyTexSubImage2D( GLenum target, GLint level,
GLint xoffset, GLint yoffset,
@@ -4004,9 +4003,8 @@ _mesa_CopyTexSubImage2D( GLenum target, GLint level,
if (!texObj)
return;
- _mesa_copy_texture_sub_image(ctx, 2, texObj, target, level,
- xoffset, yoffset, 0,
- x, y, width, height, self);
+ copy_texture_sub_image(ctx, 2, texObj, target, level, xoffset, yoffset, 0,
+ x, y, width, height, self);
}
@@ -4033,9 +4031,8 @@ _mesa_CopyTexSubImage3D( GLenum target, GLint level,
if (!texObj)
return;
- _mesa_copy_texture_sub_image(ctx, 3, texObj, target, level,
- xoffset, yoffset, zoffset,
- x, y, width, height, self);
+ copy_texture_sub_image(ctx, 3, texObj, target, level, xoffset, yoffset,
+ zoffset, x, y, width, height, self);
}
void GLAPIENTRY
@@ -4057,8 +4054,8 @@ _mesa_CopyTextureSubImage1D(GLuint texture, GLint level,
return;
}
- _mesa_copy_texture_sub_image(ctx, 1, texObj, texObj->Target, level,
- xoffset, 0, 0, x, y, width, 1, self);
+ copy_texture_sub_image(ctx, 1, texObj, texObj->Target, level, xoffset, 0, 0,
+ x, y, width, 1, self);
}
void GLAPIENTRY
@@ -4081,9 +4078,8 @@ _mesa_CopyTextureSubImage2D(GLuint texture, GLint level,
return;
}
- _mesa_copy_texture_sub_image(ctx, 2, texObj, texObj->Target, level,
- xoffset, yoffset, 0,
- x, y, width, height, self);
+ copy_texture_sub_image(ctx, 2, texObj, texObj->Target, level, xoffset,
+ yoffset, 0, x, y, width, height, self);
}
@@ -4110,15 +4106,14 @@ _mesa_CopyTextureSubImage3D(GLuint texture, GLint level,
if (texObj->Target == GL_TEXTURE_CUBE_MAP) {
/* Act like CopyTexSubImage2D */
- _mesa_copy_texture_sub_image(ctx, 2, texObj,
- GL_TEXTURE_CUBE_MAP_POSITIVE_X + zoffset,
- level, xoffset, yoffset, 0,
- x, y, width, height, self);
+ copy_texture_sub_image(ctx, 2, texObj,
+ GL_TEXTURE_CUBE_MAP_POSITIVE_X + zoffset,
+ level, xoffset, yoffset, 0, x, y, width, height,
+ self);
}
else
- _mesa_copy_texture_sub_image(ctx, 3, texObj, texObj->Target, level,
- xoffset, yoffset, zoffset,
- x, y, width, height, self);
+ copy_texture_sub_image(ctx, 3, texObj, texObj->Target, level, xoffset,
+ yoffset, zoffset, x, y, width, height, self);
}
static bool
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-25 08:09:59 +0000