2008-04-25 13:37:36 +00:00
|
|
|
/*
|
2009-04-27 14:48:12 +00:00
|
|
|
* Cogl
|
2008-04-25 13:37:36 +00:00
|
|
|
*
|
2009-04-27 14:48:12 +00:00
|
|
|
* An object oriented GL/GLES Abstraction/Utility Layer
|
2008-04-25 13:37:36 +00:00
|
|
|
*
|
2009-04-27 14:48:12 +00:00
|
|
|
* Copyright (C) 2007,2008,2009 Intel Corporation.
|
2008-04-25 13:37:36 +00:00
|
|
|
*
|
|
|
|
|
* This library is free software; you can redistribute it and/or
|
|
|
|
|
* modify it under the terms of the GNU Lesser General Public
|
|
|
|
|
* License as published by the Free Software Foundation; either
|
|
|
|
|
* version 2 of the License, or (at your option) any later version.
|
|
|
|
|
*
|
|
|
|
|
* This library is distributed in the hope that it will be useful,
|
|
|
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
|
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
|
|
|
* Lesser General Public License for more details.
|
|
|
|
|
*
|
|
|
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
|
|
|
* License along with this library; if not, write to the
|
|
|
|
|
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
|
|
|
|
|
* Boston, MA 02111-1307, USA.
|
|
|
|
|
*/
|
|
|
|
|
|
|
|
|
|
#ifndef __COGL_TEXTURE_H
|
|
|
|
|
#define __COGL_TEXTURE_H
|
|
|
|
|
|
2009-04-30 17:00:22 +00:00
|
|
|
#include "cogl-bitmap-private.h"
|
2009-04-01 16:16:44 +00:00
|
|
|
#include "cogl-handle.h"
|
2008-04-25 13:37:36 +00:00
|
|
|
|
Fully integrates CoglMaterial throughout the rest of Cogl
This glues CoglMaterial in as the fundamental way that Cogl describes how to
fill in geometry.
It adds cogl_set_source (), which is used to set the material which will be
used by all subsequent drawing functions
It adds cogl_set_source_texture as a convenience for setting up a default
material with a single texture layer, and cogl_set_source_color is now also
a convenience for setting up a material with a solid fill.
"drawing functions" include, cogl_rectangle, cogl_texture_rectangle,
cogl_texture_multiple_rectangles, cogl_texture_polygon (though the
cogl_texture_* funcs have been renamed; see below for details),
cogl_path_fill/stroke and cogl_vertex_buffer_draw*.
cogl_texture_rectangle, cogl_texture_multiple_rectangles and
cogl_texture_polygon no longer take a texture handle; instead the current
source material is referenced. The functions have also been renamed to:
cogl_rectangle_with_texture_coords, cogl_rectangles_with_texture_coords
and cogl_polygon respectivly.
Most code that previously did:
cogl_texture_rectangle (tex_handle, x, y,...);
needs to be changed to now do:
cogl_set_source_texture (tex_handle);
cogl_rectangle_with_texture_coords (x, y,....);
In the less likely case where you were blending your source texture with a color
like:
cogl_set_source_color4ub (r,g,b,a); /* where r,g,b,a isn't just white */
cogl_texture_rectangle (tex_handle, x, y,...);
you will need your own material to do that:
mat = cogl_material_new ();
cogl_material_set_color4ub (r,g,b,a);
cogl_material_set_layer (mat, 0, tex_handle));
cogl_set_source_material (mat);
Code that uses the texture coordinates, 0, 0, 1, 1 don't need to use
cog_rectangle_with_texure_coords since these are the coordinates that
cogl_rectangle will use.
For cogl_texture_polygon; as well as dropping the texture handle, the
n_vertices and vertices arguments were transposed for consistency. So
code previously written as:
cogl_texture_polygon (tex_handle, 3, verts, TRUE);
need to be written as:
cogl_set_source_texture (tex_handle);
cogl_polygon (verts, 3, TRUE);
All of the unit tests have been updated to now use the material API and
test-cogl-material has been renamed to test-cogl-multitexture since any
textured quad is now technically a test of CoglMaterial but this test
specifically creates a material with multiple texture layers.
Note: The GLES backend has not been updated yet; that will be done in a
following commit.
2009-01-23 16:15:40 +00:00
|
|
|
typedef struct _CoglTexture CoglTexture;
|
|
|
|
|
typedef struct _CoglTexSliceSpan CoglTexSliceSpan;
|
|
|
|
|
typedef struct _CoglSpanIter CoglSpanIter;
|
2008-04-25 13:37:36 +00:00
|
|
|
|
|
|
|
|
struct _CoglTexSliceSpan
|
|
|
|
|
{
|
|
|
|
|
gint start;
|
|
|
|
|
gint size;
|
|
|
|
|
gint waste;
|
|
|
|
|
};
|
|
|
|
|
|
2009-03-23 12:29:15 +00:00
|
|
|
struct _CoglSpanIter
|
|
|
|
|
{
|
|
|
|
|
gint index;
|
|
|
|
|
GArray *array;
|
|
|
|
|
CoglTexSliceSpan *span;
|
|
|
|
|
float pos;
|
|
|
|
|
float next_pos;
|
|
|
|
|
float origin;
|
|
|
|
|
float cover_start;
|
|
|
|
|
float cover_end;
|
|
|
|
|
float intersect_start;
|
|
|
|
|
float intersect_end;
|
|
|
|
|
float intersect_start_local;
|
|
|
|
|
float intersect_end_local;
|
|
|
|
|
gboolean intersects;
|
|
|
|
|
};
|
|
|
|
|
|
2008-04-25 13:37:36 +00:00
|
|
|
struct _CoglTexture
|
|
|
|
|
{
|
2009-04-01 16:16:44 +00:00
|
|
|
CoglHandleObject _parent;
|
2008-04-25 13:37:36 +00:00
|
|
|
CoglBitmap bitmap;
|
|
|
|
|
gboolean bitmap_owner;
|
|
|
|
|
GLenum gl_target;
|
|
|
|
|
GLenum gl_intformat;
|
|
|
|
|
GLenum gl_format;
|
|
|
|
|
GLenum gl_type;
|
|
|
|
|
GArray *slice_x_spans;
|
|
|
|
|
GArray *slice_y_spans;
|
|
|
|
|
GArray *slice_gl_handles;
|
|
|
|
|
gint max_waste;
|
2009-05-12 13:15:18 +00:00
|
|
|
CoglTextureFilter min_filter;
|
|
|
|
|
CoglTextureFilter mag_filter;
|
2008-04-25 13:37:36 +00:00
|
|
|
gboolean is_foreign;
|
|
|
|
|
GLint wrap_mode;
|
2008-05-07 16:12:54 +00:00
|
|
|
gboolean auto_mipmap;
|
2008-04-25 13:37:36 +00:00
|
|
|
};
|
|
|
|
|
|
Fully integrates CoglMaterial throughout the rest of Cogl
This glues CoglMaterial in as the fundamental way that Cogl describes how to
fill in geometry.
It adds cogl_set_source (), which is used to set the material which will be
used by all subsequent drawing functions
It adds cogl_set_source_texture as a convenience for setting up a default
material with a single texture layer, and cogl_set_source_color is now also
a convenience for setting up a material with a solid fill.
"drawing functions" include, cogl_rectangle, cogl_texture_rectangle,
cogl_texture_multiple_rectangles, cogl_texture_polygon (though the
cogl_texture_* funcs have been renamed; see below for details),
cogl_path_fill/stroke and cogl_vertex_buffer_draw*.
cogl_texture_rectangle, cogl_texture_multiple_rectangles and
cogl_texture_polygon no longer take a texture handle; instead the current
source material is referenced. The functions have also been renamed to:
cogl_rectangle_with_texture_coords, cogl_rectangles_with_texture_coords
and cogl_polygon respectivly.
Most code that previously did:
cogl_texture_rectangle (tex_handle, x, y,...);
needs to be changed to now do:
cogl_set_source_texture (tex_handle);
cogl_rectangle_with_texture_coords (x, y,....);
In the less likely case where you were blending your source texture with a color
like:
cogl_set_source_color4ub (r,g,b,a); /* where r,g,b,a isn't just white */
cogl_texture_rectangle (tex_handle, x, y,...);
you will need your own material to do that:
mat = cogl_material_new ();
cogl_material_set_color4ub (r,g,b,a);
cogl_material_set_layer (mat, 0, tex_handle));
cogl_set_source_material (mat);
Code that uses the texture coordinates, 0, 0, 1, 1 don't need to use
cog_rectangle_with_texure_coords since these are the coordinates that
cogl_rectangle will use.
For cogl_texture_polygon; as well as dropping the texture handle, the
n_vertices and vertices arguments were transposed for consistency. So
code previously written as:
cogl_texture_polygon (tex_handle, 3, verts, TRUE);
need to be written as:
cogl_set_source_texture (tex_handle);
cogl_polygon (verts, 3, TRUE);
All of the unit tests have been updated to now use the material API and
test-cogl-material has been renamed to test-cogl-multitexture since any
textured quad is now technically a test of CoglMaterial but this test
specifically creates a material with multiple texture layers.
Note: The GLES backend has not been updated yet; that will be done in a
following commit.
2009-01-23 16:15:40 +00:00
|
|
|
/* To improve batching of geometry when submitting vertices to OpenGL we
|
|
|
|
|
* log the texture rectangles we want to draw to a journal, so when we
|
|
|
|
|
* later flush the journal we aim to batch data, and gl draw calls. */
|
|
|
|
|
typedef struct _CoglJournalEntry
|
2008-12-11 15:33:38 +00:00
|
|
|
{
|
Fully integrates CoglMaterial throughout the rest of Cogl
This glues CoglMaterial in as the fundamental way that Cogl describes how to
fill in geometry.
It adds cogl_set_source (), which is used to set the material which will be
used by all subsequent drawing functions
It adds cogl_set_source_texture as a convenience for setting up a default
material with a single texture layer, and cogl_set_source_color is now also
a convenience for setting up a material with a solid fill.
"drawing functions" include, cogl_rectangle, cogl_texture_rectangle,
cogl_texture_multiple_rectangles, cogl_texture_polygon (though the
cogl_texture_* funcs have been renamed; see below for details),
cogl_path_fill/stroke and cogl_vertex_buffer_draw*.
cogl_texture_rectangle, cogl_texture_multiple_rectangles and
cogl_texture_polygon no longer take a texture handle; instead the current
source material is referenced. The functions have also been renamed to:
cogl_rectangle_with_texture_coords, cogl_rectangles_with_texture_coords
and cogl_polygon respectivly.
Most code that previously did:
cogl_texture_rectangle (tex_handle, x, y,...);
needs to be changed to now do:
cogl_set_source_texture (tex_handle);
cogl_rectangle_with_texture_coords (x, y,....);
In the less likely case where you were blending your source texture with a color
like:
cogl_set_source_color4ub (r,g,b,a); /* where r,g,b,a isn't just white */
cogl_texture_rectangle (tex_handle, x, y,...);
you will need your own material to do that:
mat = cogl_material_new ();
cogl_material_set_color4ub (r,g,b,a);
cogl_material_set_layer (mat, 0, tex_handle));
cogl_set_source_material (mat);
Code that uses the texture coordinates, 0, 0, 1, 1 don't need to use
cog_rectangle_with_texure_coords since these are the coordinates that
cogl_rectangle will use.
For cogl_texture_polygon; as well as dropping the texture handle, the
n_vertices and vertices arguments were transposed for consistency. So
code previously written as:
cogl_texture_polygon (tex_handle, 3, verts, TRUE);
need to be written as:
cogl_set_source_texture (tex_handle);
cogl_polygon (verts, 3, TRUE);
All of the unit tests have been updated to now use the material API and
test-cogl-material has been renamed to test-cogl-multitexture since any
textured quad is now technically a test of CoglMaterial but this test
specifically creates a material with multiple texture layers.
Note: The GLES backend has not been updated yet; that will be done in a
following commit.
2009-01-23 16:15:40 +00:00
|
|
|
CoglHandle material;
|
|
|
|
|
gint n_layers;
|
|
|
|
|
guint32 fallback_mask;
|
|
|
|
|
GLuint layer0_override_texture;
|
|
|
|
|
} CoglJournalEntry;
|
2008-12-11 15:33:38 +00:00
|
|
|
|
2008-04-25 13:37:36 +00:00
|
|
|
CoglTexture*
|
|
|
|
|
_cogl_texture_pointer_from_handle (CoglHandle handle);
|
|
|
|
|
|
2009-03-23 12:29:15 +00:00
|
|
|
void
|
|
|
|
|
_cogl_texture_set_wrap_mode_parameter (CoglTexture *tex,
|
|
|
|
|
GLenum wrap_mode);
|
|
|
|
|
|
Fully integrates CoglMaterial throughout the rest of Cogl
This glues CoglMaterial in as the fundamental way that Cogl describes how to
fill in geometry.
It adds cogl_set_source (), which is used to set the material which will be
used by all subsequent drawing functions
It adds cogl_set_source_texture as a convenience for setting up a default
material with a single texture layer, and cogl_set_source_color is now also
a convenience for setting up a material with a solid fill.
"drawing functions" include, cogl_rectangle, cogl_texture_rectangle,
cogl_texture_multiple_rectangles, cogl_texture_polygon (though the
cogl_texture_* funcs have been renamed; see below for details),
cogl_path_fill/stroke and cogl_vertex_buffer_draw*.
cogl_texture_rectangle, cogl_texture_multiple_rectangles and
cogl_texture_polygon no longer take a texture handle; instead the current
source material is referenced. The functions have also been renamed to:
cogl_rectangle_with_texture_coords, cogl_rectangles_with_texture_coords
and cogl_polygon respectivly.
Most code that previously did:
cogl_texture_rectangle (tex_handle, x, y,...);
needs to be changed to now do:
cogl_set_source_texture (tex_handle);
cogl_rectangle_with_texture_coords (x, y,....);
In the less likely case where you were blending your source texture with a color
like:
cogl_set_source_color4ub (r,g,b,a); /* where r,g,b,a isn't just white */
cogl_texture_rectangle (tex_handle, x, y,...);
you will need your own material to do that:
mat = cogl_material_new ();
cogl_material_set_color4ub (r,g,b,a);
cogl_material_set_layer (mat, 0, tex_handle));
cogl_set_source_material (mat);
Code that uses the texture coordinates, 0, 0, 1, 1 don't need to use
cog_rectangle_with_texure_coords since these are the coordinates that
cogl_rectangle will use.
For cogl_texture_polygon; as well as dropping the texture handle, the
n_vertices and vertices arguments were transposed for consistency. So
code previously written as:
cogl_texture_polygon (tex_handle, 3, verts, TRUE);
need to be written as:
cogl_set_source_texture (tex_handle);
cogl_polygon (verts, 3, TRUE);
All of the unit tests have been updated to now use the material API and
test-cogl-material has been renamed to test-cogl-multitexture since any
textured quad is now technically a test of CoglMaterial but this test
specifically creates a material with multiple texture layers.
Note: The GLES backend has not been updated yet; that will be done in a
following commit.
2009-01-23 16:15:40 +00:00
|
|
|
gboolean
|
|
|
|
|
_cogl_texture_span_has_waste (CoglTexture *tex,
|
|
|
|
|
gint x_span_index,
|
|
|
|
|
gint y_span_index);
|
|
|
|
|
|
2009-03-23 12:29:15 +00:00
|
|
|
void
|
|
|
|
|
_cogl_span_iter_begin (CoglSpanIter *iter,
|
|
|
|
|
GArray *array,
|
|
|
|
|
float origin,
|
|
|
|
|
float cover_start,
|
|
|
|
|
float cover_end);
|
|
|
|
|
|
|
|
|
|
gboolean
|
|
|
|
|
_cogl_span_iter_end (CoglSpanIter *iter);
|
|
|
|
|
|
|
|
|
|
void
|
|
|
|
|
_cogl_span_iter_next (CoglSpanIter *iter);
|
|
|
|
|
|
2008-04-25 13:37:36 +00:00
|
|
|
#endif /* __COGL_TEXTURE_H */
|