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mesa: refactor get_texture_image to remove duplicate code

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Move shared code in a new function (_get_texture_image) and use it instead
of duplicating the same lines.
Will be also used by the EXT_dsa functions (GetTextureImageEXT and GetMultiTexImageEXT).

Reviewed-by: Marek Olšák <marek.olsak@amd.com>
This commit is contained in:
Pierre-Eric Pelloux-Prayer 2019-07-02 10:59:21 +02:00 • committed by Marek Olšák
parent 666ea30017
commit 0d8826f723
1 changed files with 32 additions and 50 deletions
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82
src/mesa/main/texgetimage.c
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@ -1445,23 +1445,28 @@ get_texture_image(struct gl_context *ctx,
_mesa_unlock_texture(ctx, texObj);
}
void GLAPIENTRY
_mesa_GetnTexImageARB(GLenum target, GLint level, GLenum format, GLenum type,
GLsizei bufSize, GLvoid *pixels)
static void
_get_texture_image(struct gl_context *ctx,
struct gl_texture_object *texObj,
GLenum target, GLint level,
GLenum format, GLenum type,
GLsizei bufSize, GLvoid *pixels,
const char *caller)
{
GET_CURRENT_CONTEXT(ctx);
static const char *caller = "glGetnTexImageARB";
GLsizei width, height, depth;
struct gl_texture_object *texObj;
if (!legal_getteximage_target(ctx, target, false)) {
/* EXT/ARB direct_state_access variants don't call _get_texture_image
* with a NULL texObj */
bool is_dsa = texObj != NULL;
if (!legal_getteximage_target(ctx, target, is_dsa)) {
_mesa_error(ctx, GL_INVALID_ENUM, "%s", caller);
return;
}
texObj = _mesa_get_current_tex_object(ctx, target);
assert(texObj);
if (!is_dsa) {
texObj = _mesa_get_current_tex_object(ctx, target);
assert(texObj);
}
get_texture_image_dims(texObj, target, level, &width, &height, &depth);
@ -1477,34 +1482,27 @@ _mesa_GetnTexImageARB(GLenum target, GLint level, GLenum format, GLenum type,
}
void GLAPIENTRY
_mesa_GetnTexImageARB(GLenum target, GLint level, GLenum format, GLenum type,
GLsizei bufSize, GLvoid *pixels)
{
GET_CURRENT_CONTEXT(ctx);
static const char *caller = "glGetnTexImageARB";
_get_texture_image(ctx, NULL, target, level, format, type,
bufSize, pixels, caller);
}
void GLAPIENTRY
_mesa_GetTexImage(GLenum target, GLint level, GLenum format, GLenum type,
GLvoid *pixels )
{
GET_CURRENT_CONTEXT(ctx);
static const char *caller = "glGetTexImage";
GLsizei width, height, depth;
struct gl_texture_object *texObj;
if (!legal_getteximage_target(ctx, target, false)) {
_mesa_error(ctx, GL_INVALID_ENUM, "%s", caller);
return;
}
texObj = _mesa_get_current_tex_object(ctx, target);
assert(texObj);
get_texture_image_dims(texObj, target, level, &width, &height, &depth);
if (getteximage_error_check(ctx, texObj, target, level,
width, height, depth,
format, type, INT_MAX, pixels, caller)) {
return;
}
get_texture_image(ctx, texObj, target, level,
0, 0, 0, width, height, depth,
format, type, pixels, caller);
_get_texture_image(ctx, NULL, target, level, format, type,
INT_MAX, pixels, caller);
}
@ -1513,7 +1511,6 @@ _mesa_GetTextureImage(GLuint texture, GLint level, GLenum format, GLenum type,
GLsizei bufSize, GLvoid *pixels)
{
GET_CURRENT_CONTEXT(ctx);
GLsizei width, height, depth;
static const char *caller = "glGetTextureImage";
struct gl_texture_object *texObj =
_mesa_lookup_texture_err(ctx, texture, caller);
@ -1522,23 +1519,8 @@ _mesa_GetTextureImage(GLuint texture, GLint level, GLenum format, GLenum type,
return;
}
if (!legal_getteximage_target(ctx, texObj->Target, true)) {
_mesa_error(ctx, GL_INVALID_OPERATION, "%s", caller);
return;
}
get_texture_image_dims(texObj, texObj->Target, level,
&width, &height, &depth);
if (getteximage_error_check(ctx, texObj, texObj->Target, level,
width, height, depth,
format, type, bufSize, pixels, caller)) {
return;
}
get_texture_image(ctx, texObj, texObj->Target, level,
0, 0, 0, width, height, depth,
format, type, pixels, caller);
_get_texture_image(ctx, texObj, texObj->Target, level, format, type,
bufSize, pixels, caller);
}