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Make cogl_framebuffer_get_width/height experimental public API

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It's generally useful to be able to query the width and height of a
framebuffer and we expect to need this in Clutter when we move the
eglnative backend code into Cogl since Clutter will need to read back
the fixed size of the framebuffer when realizing the stage.
This commit is contained in:
Robert Bragg 2011-03-01 23:12:18 +00:00
parent 1928f7ec0e
commit 2bbb0d895b
6 changed files with 14 additions and 12 deletions
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2
cogl/cogl-clip-stack.c
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@ -644,7 +644,7 @@ _cogl_clip_stack_flush (CoglClipStack *stack)
else else
{ {
int framebuffer_height = int framebuffer_height =
_cogl_framebuffer_get_height (framebuffer); cogl_framebuffer_get_height (framebuffer);
scissor_y_start = framebuffer_height - scissor_y1; scissor_y_start = framebuffer_height - scissor_y1;
} }

6
cogl/cogl-framebuffer-private.h
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@ -155,12 +155,6 @@ _cogl_framebuffer_clear4f (CoglFramebuffer *framebuffer,
void void
_cogl_framebuffer_dirty (CoglFramebuffer *framebuffer); _cogl_framebuffer_dirty (CoglFramebuffer *framebuffer);
int
_cogl_framebuffer_get_width (CoglFramebuffer *framebuffer);
int
_cogl_framebuffer_get_height (CoglFramebuffer *framebuffer);
CoglClipState * CoglClipState *
_cogl_framebuffer_get_clip_state (CoglFramebuffer *framebuffer); _cogl_framebuffer_get_clip_state (CoglFramebuffer *framebuffer);

4
cogl/cogl-framebuffer.c
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@ -464,13 +464,13 @@ _cogl_framebuffer_clear (CoglFramebuffer *framebuffer,
} }
int int
_cogl_framebuffer_get_width (CoglFramebuffer *framebuffer) cogl_framebuffer_get_width (CoglFramebuffer *framebuffer)
{ {
return framebuffer->width; return framebuffer->width;
} }
int int
_cogl_framebuffer_get_height (CoglFramebuffer *framebuffer) cogl_framebuffer_get_height (CoglFramebuffer *framebuffer)
{ {
return framebuffer->height; return framebuffer->height;
} }

8
cogl/cogl-framebuffer.h
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@ -43,6 +43,14 @@ gboolean
cogl_framebuffer_allocate (CoglFramebuffer *framebuffer, cogl_framebuffer_allocate (CoglFramebuffer *framebuffer,
GError **error); GError **error);
#define cogl_framebuffer_get_width cogl_framebuffer_get_width_EXP
int
cogl_framebuffer_get_width (CoglFramebuffer *framebuffer);
#define cogl_framebuffer_get_height cogl_framebuffer_get_height_EXP
int
cogl_framebuffer_get_height (CoglFramebuffer *framebuffer);
#define cogl_framebuffer_swap_buffers cogl_framebuffer_swap_buffers_EXP #define cogl_framebuffer_swap_buffers cogl_framebuffer_swap_buffers_EXP
void void
cogl_framebuffer_swap_buffers (CoglFramebuffer *framebuffer); cogl_framebuffer_swap_buffers (CoglFramebuffer *framebuffer);

2
cogl/cogl.c
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@ -528,7 +528,7 @@ _cogl_read_pixels_with_rowstride (int x,
framebuffer, framebuffer,
0); 0);
framebuffer_height = _cogl_framebuffer_get_height (framebuffer); framebuffer_height = cogl_framebuffer_get_height (framebuffer);
/* The y co-ordinate should be given in OpenGL's coordinate system /* The y co-ordinate should be given in OpenGL's coordinate system
* so 0 is the bottom row * so 0 is the bottom row

4
cogl/winsys/cogl-winsys-glx.c
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@ -743,8 +743,8 @@ _cogl_winsys_onscreen_init (CoglOnscreen *onscreen,
unsigned long mask; unsigned long mask;
int xerror; int xerror;
width = _cogl_framebuffer_get_width (framebuffer); width = cogl_framebuffer_get_width (framebuffer);
height = _cogl_framebuffer_get_height (framebuffer); height = cogl_framebuffer_get_height (framebuffer);
_cogl_renderer_xlib_trap_errors (display->renderer, &state); _cogl_renderer_xlib_trap_errors (display->renderer, &state);