Mesa (master): mesa: get_current_tex_unit() helper function
Brian Paul
brianp at kemper.freedesktop.org
Thu Jul 30 19:33:02 UTC 2009
Module: Mesa
Branch: master
Commit: 4406f79402e8f986913c20c3138d12d0af670bd4
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=4406f79402e8f986913c20c3138d12d0af670bd4
Author: Brian Paul <brianp at vmware.com>
Date: Thu Jul 30 09:59:52 2009 -0600
mesa: get_current_tex_unit() helper function
---
src/mesa/main/teximage.c | 58 +++++++++++++++++++++++++++------------------
1 files changed, 35 insertions(+), 23 deletions(-)
diff --git a/src/mesa/main/teximage.c b/src/mesa/main/teximage.c
index 109fe0e..6348ec0 100644
--- a/src/mesa/main/teximage.c
+++ b/src/mesa/main/teximage.c
@@ -776,6 +776,18 @@ _mesa_is_proxy_texture(GLenum target)
/**
+ * Return pointer to current texture unit.
+ * This the texture unit set by glActiveTexture(), not glClientActiveTexture().
+ */
+static INLINE struct gl_texture_unit *
+get_current_tex_unit(GLcontext *ctx)
+{
+ ASSERT(ctx->Texture.CurrentUnit < Elements(ctx->Texture.Unit));
+ return &(ctx->Texture.Unit[ctx->Texture.CurrentUnit]);
+}
+
+
+/**
* Get the texture object that corresponds to the target of the given texture unit.
*
* \param ctx GL context.
@@ -2250,7 +2262,7 @@ getteximage_error_check(GLcontext *ctx, GLenum target, GLint level,
}
- texUnit = &(ctx->Texture.Unit[ctx->Texture.CurrentUnit]);
+ texUnit = get_current_tex_unit(ctx);
texObj = _mesa_select_tex_object(ctx, texUnit, target);
texImage = _mesa_select_tex_image(ctx, texObj, target, level);
if (!texImage) {
@@ -2330,7 +2342,7 @@ _mesa_GetTexImage( GLenum target, GLint level, GLenum format,
GET_CURRENT_CONTEXT(ctx);
ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
- texUnit = &(ctx->Texture.Unit[ctx->Texture.CurrentUnit]);
+ texUnit = get_current_tex_unit(ctx);
texObj = _mesa_select_tex_object(ctx, texUnit, target);
if (!texObj || _mesa_is_proxy_texture(target)) {
_mesa_error(ctx, GL_INVALID_ENUM, "glGetTexImage(target)");
@@ -2497,7 +2509,7 @@ _mesa_TexImage1D( GLenum target, GLint level, GLint internalFormat,
if (ctx->NewState & _MESA_NEW_TRANSFER_STATE)
_mesa_update_state(ctx);
- texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
+ texUnit = get_current_tex_unit(ctx);
texObj = _mesa_select_tex_object(ctx, texUnit, target);
_mesa_lock_texture(ctx, texObj);
{
@@ -2605,7 +2617,7 @@ _mesa_TexImage2D( GLenum target, GLint level, GLint internalFormat,
if (ctx->NewState & _MESA_NEW_TRANSFER_STATE)
_mesa_update_state(ctx);
- texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
+ texUnit = get_current_tex_unit(ctx);
texObj = _mesa_select_tex_object(ctx, texUnit, target);
_mesa_lock_texture(ctx, texObj);
{
@@ -2708,7 +2720,7 @@ _mesa_TexImage3D( GLenum target, GLint level, GLint internalFormat,
if (ctx->NewState & _MESA_NEW_TRANSFER_STATE)
_mesa_update_state(ctx);
- texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
+ texUnit = get_current_tex_unit(ctx);
texObj = _mesa_select_tex_object(ctx, texUnit, target);
_mesa_lock_texture(ctx, texObj);
{
@@ -2814,7 +2826,7 @@ _mesa_TexSubImage1D( GLenum target, GLint level,
}
- texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
+ texUnit = get_current_tex_unit(ctx);
texObj = _mesa_select_tex_object(ctx, texUnit, target);
assert(texObj);
@@ -2874,7 +2886,7 @@ _mesa_TexSubImage2D( GLenum target, GLint level,
return; /* error was detected */
}
- texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
+ texUnit = get_current_tex_unit(ctx);
texObj = _mesa_select_tex_object(ctx, texUnit, target);
_mesa_lock_texture(ctx, texObj);
{
@@ -2926,7 +2938,7 @@ _mesa_TexSubImage3D( GLenum target, GLint level,
return; /* error was detected */
}
- texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
+ texUnit = get_current_tex_unit(ctx);
texObj = _mesa_select_tex_object(ctx, texUnit, target);
_mesa_lock_texture(ctx, texObj);
@@ -2987,7 +2999,7 @@ _mesa_CopyTexImage1D( GLenum target, GLint level,
postConvWidth, 1, border))
return;
- texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
+ texUnit = get_current_tex_unit(ctx);
texObj = _mesa_select_tex_object(ctx, texUnit, target);
_mesa_lock_texture(ctx, texObj);
{
@@ -3053,7 +3065,7 @@ _mesa_CopyTexImage2D( GLenum target, GLint level, GLenum internalFormat,
postConvWidth, postConvHeight, border))
return;
- texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
+ texUnit = get_current_tex_unit(ctx);
texObj = _mesa_select_tex_object(ctx, texUnit, target);
_mesa_lock_texture(ctx, texObj);
@@ -3113,7 +3125,7 @@ _mesa_CopyTexSubImage1D( GLenum target, GLint level,
if (copytexsubimage_error_check1(ctx, 1, target, level))
return;
- texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
+ texUnit = get_current_tex_unit(ctx);
texObj = _mesa_select_tex_object(ctx, texUnit, target);
_mesa_lock_texture(ctx, texObj);
@@ -3168,7 +3180,7 @@ _mesa_CopyTexSubImage2D( GLenum target, GLint level,
if (copytexsubimage_error_check1(ctx, 2, target, level))
return;
- texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
+ texUnit = get_current_tex_unit(ctx);
texObj = _mesa_select_tex_object(ctx, texUnit, target);
_mesa_lock_texture(ctx, texObj);
@@ -3223,7 +3235,7 @@ _mesa_CopyTexSubImage3D( GLenum target, GLint level,
if (copytexsubimage_error_check1(ctx, 3, target, level))
return;
- texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
+ texUnit = get_current_tex_unit(ctx);
texObj = _mesa_select_tex_object(ctx, texUnit, target);
_mesa_lock_texture(ctx, texObj);
@@ -3477,7 +3489,7 @@ _mesa_CompressedTexImage1DARB(GLenum target, GLint level,
return;
}
- texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
+ texUnit = get_current_tex_unit(ctx);
texObj = _mesa_select_tex_object(ctx, texUnit, target);
_mesa_lock_texture(ctx, texObj);
@@ -3531,7 +3543,7 @@ _mesa_CompressedTexImage1DARB(GLenum target, GLint level,
struct gl_texture_unit *texUnit;
struct gl_texture_object *texObj;
struct gl_texture_image *texImage;
- texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
+ texUnit = get_current_tex_unit(ctx);
texObj = _mesa_select_tex_object(ctx, texUnit, target);
_mesa_lock_texture(ctx, texObj);
@@ -3574,7 +3586,7 @@ _mesa_CompressedTexImage2DARB(GLenum target, GLint level,
return;
}
- texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
+ texUnit = get_current_tex_unit(ctx);
texObj = _mesa_select_tex_object(ctx, texUnit, target);
_mesa_lock_texture(ctx, texObj);
@@ -3630,7 +3642,7 @@ _mesa_CompressedTexImage2DARB(GLenum target, GLint level,
struct gl_texture_unit *texUnit;
struct gl_texture_object *texObj;
struct gl_texture_image *texImage;
- texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
+ texUnit = get_current_tex_unit(ctx);
texObj = _mesa_select_tex_object(ctx, texUnit, target);
_mesa_lock_texture(ctx, texObj);
@@ -3670,7 +3682,7 @@ _mesa_CompressedTexImage3DARB(GLenum target, GLint level,
return;
}
- texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
+ texUnit = get_current_tex_unit(ctx);
texObj = _mesa_select_tex_object(ctx, texUnit, target);
_mesa_lock_texture(ctx, texObj);
{
@@ -3724,7 +3736,7 @@ _mesa_CompressedTexImage3DARB(GLenum target, GLint level,
struct gl_texture_unit *texUnit;
struct gl_texture_object *texObj;
struct gl_texture_image *texImage;
- texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
+ texUnit = get_current_tex_unit(ctx);
texObj = _mesa_select_tex_object(ctx, texUnit, target);
_mesa_lock_texture(ctx, texObj);
{
@@ -3763,7 +3775,7 @@ _mesa_CompressedTexSubImage1DARB(GLenum target, GLint level, GLint xoffset,
return;
}
- texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
+ texUnit = get_current_tex_unit(ctx);
texObj = _mesa_select_tex_object(ctx, texUnit, target);
_mesa_lock_texture(ctx, texObj);
{
@@ -3820,7 +3832,7 @@ _mesa_CompressedTexSubImage2DARB(GLenum target, GLint level, GLint xoffset,
return;
}
- texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
+ texUnit = get_current_tex_unit(ctx);
texObj = _mesa_select_tex_object(ctx, texUnit, target);
_mesa_lock_texture(ctx, texObj);
{
@@ -3877,7 +3889,7 @@ _mesa_CompressedTexSubImage3DARB(GLenum target, GLint level, GLint xoffset,
return;
}
- texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
+ texUnit = get_current_tex_unit(ctx);
texObj = _mesa_select_tex_object(ctx, texUnit, target);
_mesa_lock_texture(ctx, texObj);
{
@@ -3924,7 +3936,7 @@ _mesa_GetCompressedTexImageARB(GLenum target, GLint level, GLvoid *img)
GET_CURRENT_CONTEXT(ctx);
ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
- texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
+ texUnit = get_current_tex_unit(ctx);
texObj = _mesa_select_tex_object(ctx, texUnit, target);
if (!texObj) {
_mesa_error(ctx, GL_INVALID_ENUM, "glGetCompressedTexImageARB");
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