cogl/driver: Move various texture functions to TextureDriverGL

As they are now shared between GL3 and GLES3 texture driver, there is no
need anymore for having them in a separate header and included.

Cleanup the names of the functions while doing so.

Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/4163>
This commit is contained in:
Bilal Elmoussaoui 2024-12-09 16:22:25 +01:00 committed by Marge Bot
parent 1401c745d7
commit a2fdeac9e7
3 changed files with 481 additions and 534 deletions

View File

@ -36,27 +36,7 @@
#include "cogl/cogl-types.h"
#include "cogl/cogl-context-private.h"
#include "cogl/cogl-texture.h"
#include "cogl/cogl-texture-driver.h"
void
_cogl_texture_2d_gl_free (CoglTextureDriver *driver,
CoglTexture2D *tex_2d);
gboolean
_cogl_texture_2d_gl_can_create (CoglTextureDriver *driver,
CoglContext *ctx,
int width,
int height,
CoglPixelFormat internal_format);
void
_cogl_texture_2d_gl_init (CoglTextureDriver *driver,
CoglTexture2D *tex_2d);
gboolean
_cogl_texture_2d_gl_allocate (CoglTextureDriver *driver,
CoglTexture *tex,
GError **error);
#if defined (HAVE_EGL)
gboolean
@ -74,36 +54,3 @@ void
_cogl_texture_2d_gl_flush_legacy_texobj_wrap_modes (CoglTexture *tex,
GLenum wrap_mode_s,
GLenum wrap_mode_t);
void
_cogl_texture_2d_gl_copy_from_framebuffer (CoglTextureDriver *driver,
CoglTexture2D *tex_2d,
int src_x,
int src_y,
int width,
int height,
CoglFramebuffer *src_fb,
int dst_x,
int dst_y,
int level);
unsigned int
_cogl_texture_2d_gl_get_gl_handle (CoglTextureDriver *driver,
CoglTexture2D *tex_2d);
void
_cogl_texture_2d_gl_generate_mipmap (CoglTextureDriver *driver,
CoglTexture2D *tex_2d);
gboolean
_cogl_texture_2d_gl_copy_from_bitmap (CoglTextureDriver *driver,
CoglTexture2D *tex_2d,
int src_x,
int src_y,
int width,
int height,
CoglBitmap *bitmap,
int dst_x,
int dst_y,
int level,
GError **error);

View File

@ -45,335 +45,6 @@
#include "cogl/driver/gl/cogl-util-gl-private.h"
#if defined (HAVE_EGL)
/* We need this define from GLES2, but can't include the header
as its type definitions may conflict with the GL ones
*/
#ifndef GL_OES_EGL_image_external
#define GL_OES_EGL_image_external 1
#define GL_TEXTURE_EXTERNAL_OES 0x8D65
#define GL_TEXTURE_BINDING_EXTERNAL_OES 0x8D67
#define GL_REQUIRED_TEXTURE_IMAGE_UNITS_OES 0x8D68
#define GL_SAMPLER_EXTERNAL_OES 0x8D66
#endif /* GL_OES_EGL_image_external */
#endif /* defined (HAVE_EGL) */
void
_cogl_texture_2d_gl_free (CoglTextureDriver *driver,
CoglTexture2D *tex_2d)
{
if (tex_2d->gl_texture)
_cogl_delete_gl_texture (cogl_texture_get_context (COGL_TEXTURE (tex_2d)),
tex_2d->gl_texture);
#if defined (HAVE_EGL)
g_clear_pointer (&tex_2d->egl_image_external.user_data,
tex_2d->egl_image_external.destroy);
#endif
}
gboolean
_cogl_texture_2d_gl_can_create (CoglTextureDriver *driver,
CoglContext *ctx,
int width,
int height,
CoglPixelFormat internal_format)
{
CoglTextureDriverClass *tex_driver =
COGL_TEXTURE_DRIVER_GET_CLASS (ctx->texture_driver);
GLenum gl_intformat;
GLenum gl_format;
GLenum gl_type;
/* We only support single plane formats for now */
if (cogl_pixel_format_get_n_planes (internal_format) != 1)
return FALSE;
ctx->driver_vtable->pixel_format_to_gl (ctx,
internal_format,
&gl_intformat,
&gl_format,
&gl_type);
/* Check that the driver can create a texture with that size */
if (!tex_driver->size_supported (ctx->texture_driver,
ctx,
GL_TEXTURE_2D,
gl_intformat,
gl_format,
gl_type,
width,
height))
return FALSE;
return TRUE;
}
void
_cogl_texture_2d_gl_init (CoglTextureDriver *driver,
CoglTexture2D *tex_2d)
{
tex_2d->gl_texture = 0;
/* We default to GL_LINEAR for both filters */
tex_2d->gl_legacy_texobj_min_filter = GL_LINEAR;
tex_2d->gl_legacy_texobj_mag_filter = GL_LINEAR;
/* Wrap mode not yet set */
tex_2d->gl_legacy_texobj_wrap_mode_s = GL_FALSE;
tex_2d->gl_legacy_texobj_wrap_mode_t = GL_FALSE;
tex_2d->egl_image_external.user_data = NULL;
tex_2d->egl_image_external.destroy = NULL;
}
static gboolean
allocate_with_size (CoglTexture2D *tex_2d,
CoglTextureLoader *loader,
GError **error)
{
CoglTexture *tex = COGL_TEXTURE (tex_2d);
CoglPixelFormat internal_format;
int width = loader->src.sized.width;
int height = loader->src.sized.height;
CoglContext *ctx = cogl_texture_get_context (tex);
CoglTextureDriverClass *tex_driver =
COGL_TEXTURE_DRIVER_GET_CLASS (ctx->texture_driver);
GLenum gl_intformat;
GLenum gl_format;
GLenum gl_type;
GLenum gl_texture;
internal_format =
_cogl_texture_determine_internal_format (tex, loader->src.sized.format);
if (!_cogl_texture_2d_gl_can_create (ctx->texture_driver,
ctx,
width,
height,
internal_format))
{
g_set_error_literal (error, COGL_TEXTURE_ERROR,
COGL_TEXTURE_ERROR_SIZE,
"Failed to create texture 2d due to size/format"
" constraints");
return FALSE;
}
ctx->driver_vtable->pixel_format_to_gl (ctx,
internal_format,
&gl_intformat,
&gl_format,
&gl_type);
gl_texture = tex_driver->gen (ctx->texture_driver,
ctx,
GL_TEXTURE_2D,
internal_format);
tex_2d->gl_internal_format = gl_intformat;
_cogl_bind_gl_texture_transient (ctx, GL_TEXTURE_2D,
gl_texture);
/* Clear any GL errors */
_cogl_gl_util_clear_gl_errors (ctx);
ctx->glTexImage2D (GL_TEXTURE_2D, 0, gl_intformat,
width, height, 0, gl_format, gl_type, NULL);
if (_cogl_gl_util_catch_out_of_memory (ctx, error))
{
GE( ctx, glDeleteTextures (1, &gl_texture) );
return FALSE;
}
tex_2d->gl_texture = gl_texture;
tex_2d->gl_internal_format = gl_intformat;
tex_2d->internal_format = internal_format;
_cogl_texture_set_allocated (tex, internal_format, width, height);
return TRUE;
}
static gboolean
allocate_from_bitmap (CoglTexture2D *tex_2d,
CoglTextureLoader *loader,
GError **error)
{
CoglTexture *tex = COGL_TEXTURE (tex_2d);
CoglBitmap *bmp = loader->src.bitmap.bitmap;
CoglContext *ctx = _cogl_bitmap_get_context (bmp);
CoglTextureDriverClass *tex_driver =
COGL_TEXTURE_DRIVER_GET_CLASS (ctx->texture_driver);
CoglPixelFormat internal_format;
int width = cogl_bitmap_get_width (bmp);
int height = cogl_bitmap_get_height (bmp);
CoglBitmap *upload_bmp;
GLenum gl_intformat;
GLenum gl_format;
GLenum gl_type;
internal_format =
_cogl_texture_determine_internal_format (tex, cogl_bitmap_get_format (bmp));
if (!_cogl_texture_2d_gl_can_create (ctx->texture_driver,
ctx,
width,
height,
internal_format))
{
g_set_error_literal (error, COGL_TEXTURE_ERROR,
COGL_TEXTURE_ERROR_SIZE,
"Failed to create texture 2d due to size/format"
" constraints");
return FALSE;
}
upload_bmp = _cogl_bitmap_convert_for_upload (bmp,
internal_format,
error);
if (upload_bmp == NULL)
return FALSE;
ctx->driver_vtable->pixel_format_to_gl (ctx,
cogl_bitmap_get_format (upload_bmp),
NULL, /* internal format */
&gl_format,
&gl_type);
ctx->driver_vtable->pixel_format_to_gl (ctx,
internal_format,
&gl_intformat,
NULL,
NULL);
tex_2d->gl_texture = tex_driver->gen (ctx->texture_driver,
ctx,
GL_TEXTURE_2D,
internal_format);
if (!tex_driver->upload_to_gl (ctx->texture_driver,
ctx,
GL_TEXTURE_2D,
tex_2d->gl_texture,
upload_bmp,
gl_intformat,
gl_format,
gl_type,
error))
{
g_object_unref (upload_bmp);
return FALSE;
}
tex_2d->gl_internal_format = gl_intformat;
g_object_unref (upload_bmp);
tex_2d->internal_format = internal_format;
_cogl_texture_set_allocated (tex, internal_format, width, height);
return TRUE;
}
#if defined (HAVE_EGL) && defined (EGL_KHR_image_base)
static gboolean
allocate_from_egl_image (CoglTexture2D *tex_2d,
CoglTextureLoader *loader,
GError **error)
{
CoglTexture *tex = COGL_TEXTURE (tex_2d);
CoglContext *ctx = cogl_texture_get_context (tex);
CoglPixelFormat internal_format = loader->src.egl_image.format;
CoglTextureDriverClass *tex_driver =
COGL_TEXTURE_DRIVER_GET_CLASS (ctx->texture_driver);
tex_2d->gl_texture = tex_driver->gen (ctx->texture_driver,
ctx,
GL_TEXTURE_2D,
internal_format);
if (!cogl_texture_2d_gl_bind_egl_image (tex_2d,
loader->src.egl_image.image,
error))
{
GE( ctx, glDeleteTextures (1, &tex_2d->gl_texture) );
return FALSE;
}
tex_2d->internal_format = internal_format;
tex_2d->is_get_data_supported =
!(loader->src.egl_image.flags & COGL_EGL_IMAGE_FLAG_NO_GET_DATA);
_cogl_texture_set_allocated (tex,
internal_format,
loader->src.egl_image.width,
loader->src.egl_image.height);
return TRUE;
}
#endif
#if defined (HAVE_EGL)
static gboolean
allocate_custom_egl_image_external (CoglTexture2D *tex_2d,
CoglTextureLoader *loader,
GError **error)
{
CoglTexture *tex = COGL_TEXTURE (tex_2d);
CoglContext *ctx = cogl_texture_get_context (tex);
CoglPixelFormat external_format;
CoglPixelFormat internal_format;
external_format = loader->src.egl_image_external.format;
internal_format = _cogl_texture_determine_internal_format (tex,
external_format);
_cogl_gl_util_clear_gl_errors (ctx);
GE (ctx, glActiveTexture (GL_TEXTURE0));
GE (ctx, glGenTextures (1, &tex_2d->gl_texture));
GE (ctx, glBindTexture (GL_TEXTURE_EXTERNAL_OES,
tex_2d->gl_texture));
if (_cogl_gl_util_get_error (ctx) != GL_NO_ERROR)
{
g_set_error_literal (error,
COGL_TEXTURE_ERROR,
COGL_TEXTURE_ERROR_BAD_PARAMETER,
"Could not create a CoglTexture2D from a given "
"EGLImage");
GE( ctx, glDeleteTextures (1, &tex_2d->gl_texture) );
return FALSE;
}
GE (ctx, glTexParameteri(GL_TEXTURE_EXTERNAL_OES,
GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE));
GE (ctx, glTexParameteri(GL_TEXTURE_EXTERNAL_OES,
GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE));
if (!loader->src.egl_image_external.alloc (tex_2d,
tex_2d->egl_image_external.user_data,
error))
{
GE (ctx, glBindTexture (GL_TEXTURE_EXTERNAL_OES, 0));
GE (ctx, glDeleteTextures (1, &tex_2d->gl_texture));
return FALSE;
}
GE (ctx, glBindTexture (GL_TEXTURE_EXTERNAL_OES, 0));
tex_2d->internal_format = internal_format;
tex_2d->gl_target = GL_TEXTURE_EXTERNAL_OES;
tex_2d->is_get_data_supported = FALSE;
return TRUE;
}
gboolean
cogl_texture_2d_gl_bind_egl_image (CoglTexture2D *tex_2d,
EGLImageKHR image,
@ -438,39 +109,6 @@ cogl_texture_2d_new_from_egl_image_external (CoglContext *ctx,
}
#endif /* defined (HAVE_EGL) */
gboolean
_cogl_texture_2d_gl_allocate (CoglTextureDriver *driver,
CoglTexture *tex,
GError **error)
{
CoglTexture2D *tex_2d = COGL_TEXTURE_2D (tex);
CoglTextureLoader *loader = cogl_texture_get_loader (tex);
g_return_val_if_fail (loader, FALSE);
switch (loader->src_type)
{
case COGL_TEXTURE_SOURCE_TYPE_SIZE:
return allocate_with_size (tex_2d, loader, error);
case COGL_TEXTURE_SOURCE_TYPE_BITMAP:
return allocate_from_bitmap (tex_2d, loader, error);
case COGL_TEXTURE_SOURCE_TYPE_EGL_IMAGE:
#if defined (HAVE_EGL) && defined (EGL_KHR_image_base)
return allocate_from_egl_image (tex_2d, loader, error);
#else
g_return_val_if_reached (FALSE);
#endif
case COGL_TEXTURE_SOURCE_TYPE_EGL_IMAGE_EXTERNAL:
#if defined (HAVE_EGL)
return allocate_custom_egl_image_external (tex_2d, loader, error);
#else
g_return_val_if_reached (FALSE);
#endif
}
g_return_val_if_reached (FALSE);
}
void
_cogl_texture_2d_gl_flush_legacy_texobj_filters (CoglTexture *tex,
GLenum min_filter,
@ -530,114 +168,3 @@ _cogl_texture_2d_gl_flush_legacy_texobj_wrap_modes (CoglTexture *tex,
tex_2d->gl_legacy_texobj_wrap_mode_t = wrap_mode_t;
}
}
void
_cogl_texture_2d_gl_copy_from_framebuffer (CoglTextureDriver *driver,
CoglTexture2D *tex_2d,
int src_x,
int src_y,
int width,
int height,
CoglFramebuffer *src_fb,
int dst_x,
int dst_y,
int level)
{
CoglTexture *tex = COGL_TEXTURE (tex_2d);
CoglContext *ctx = cogl_texture_get_context (tex);
/* Make sure the current framebuffers are bound, though we don't need to
* flush the clip state here since we aren't going to draw to the
* framebuffer. */
cogl_context_flush_framebuffer_state (ctx,
ctx->current_draw_buffer,
src_fb,
(COGL_FRAMEBUFFER_STATE_ALL &
~COGL_FRAMEBUFFER_STATE_CLIP));
_cogl_bind_gl_texture_transient (ctx, GL_TEXTURE_2D,
tex_2d->gl_texture);
ctx->glCopyTexSubImage2D (GL_TEXTURE_2D,
0, /* level */
dst_x, dst_y,
src_x, src_y,
width, height);
}
unsigned int
_cogl_texture_2d_gl_get_gl_handle (CoglTextureDriver *driver,
CoglTexture2D *tex_2d)
{
return tex_2d->gl_texture;
}
void
_cogl_texture_2d_gl_generate_mipmap (CoglTextureDriver *driver,
CoglTexture2D *tex_2d)
{
_cogl_texture_gl_generate_mipmaps (COGL_TEXTURE (tex_2d));
}
gboolean
_cogl_texture_2d_gl_copy_from_bitmap (CoglTextureDriver *driver,
CoglTexture2D *tex_2d,
int src_x,
int src_y,
int width,
int height,
CoglBitmap *bmp,
int dst_x,
int dst_y,
int level,
GError **error)
{
CoglTexture *tex = COGL_TEXTURE (tex_2d);
CoglContext *ctx = cogl_texture_get_context (tex);
CoglTextureDriverClass *tex_driver =
COGL_TEXTURE_DRIVER_GET_CLASS (ctx->texture_driver);
CoglBitmap *upload_bmp;
CoglPixelFormat upload_format;
GLenum gl_format;
GLenum gl_type;
gboolean status = TRUE;
upload_bmp =
_cogl_bitmap_convert_for_upload (bmp,
cogl_texture_get_format (tex),
error);
if (upload_bmp == NULL)
return FALSE;
upload_format = cogl_bitmap_get_format (upload_bmp);
/* Only support single plane formats */
if (upload_format == COGL_PIXEL_FORMAT_ANY ||
cogl_pixel_format_get_n_planes (upload_format) != 1)
return FALSE;
ctx->driver_vtable->pixel_format_to_gl (ctx,
upload_format,
NULL, /* internal gl format */
&gl_format,
&gl_type);
if (cogl_texture_get_max_level_set (tex) < level)
cogl_texture_gl_set_max_level (tex, level);
status = tex_driver->upload_subregion_to_gl (ctx->texture_driver,
ctx,
tex,
src_x, src_y,
dst_x, dst_y,
width, height,
level,
upload_bmp,
gl_format,
gl_type,
error);
g_object_unref (upload_bmp);
return status;
}

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@ -28,24 +28,497 @@
#include "config.h"
#include "cogl/driver/gl/cogl-pipeline-opengl-private.h"
#include "cogl/driver/gl/cogl-texture-driver-gl-private.h"
#include "cogl/driver/gl/cogl-texture-2d-gl-private.h"
#include "cogl/driver/gl/cogl-texture-gl-private.h"
#include "cogl/driver/gl/cogl-util-gl-private.h"
#include "cogl/cogl-texture-2d-private.h"
#if defined (HAVE_EGL)
/* We need this define from GLES2, but can't include the header
as its type definitions may conflict with the GL ones
*/
#define GL_TEXTURE_EXTERNAL_OES 0x8D65
#endif /* defined (HAVE_EGL) */
G_DEFINE_TYPE (CoglTextureDriverGL, cogl_texture_driver_gl, COGL_TYPE_TEXTURE_DRIVER)
static void
cogl_texture_driver_gl_texture_2d_free (CoglTextureDriver *driver,
CoglTexture2D *tex_2d)
{
if (tex_2d->gl_texture)
_cogl_delete_gl_texture (cogl_texture_get_context (COGL_TEXTURE (tex_2d)),
tex_2d->gl_texture);
#if defined (HAVE_EGL)
g_clear_pointer (&tex_2d->egl_image_external.user_data,
tex_2d->egl_image_external.destroy);
#endif
}
static gboolean
cogl_texture_driver_gl_texture_2d_can_create (CoglTextureDriver *driver,
CoglContext *ctx,
int width,
int height,
CoglPixelFormat internal_format)
{
CoglTextureDriverClass *tex_driver =
COGL_TEXTURE_DRIVER_GET_CLASS (ctx->texture_driver);
GLenum gl_intformat;
GLenum gl_format;
GLenum gl_type;
/* We only support single plane formats for now */
if (cogl_pixel_format_get_n_planes (internal_format) != 1)
return FALSE;
ctx->driver_vtable->pixel_format_to_gl (ctx,
internal_format,
&gl_intformat,
&gl_format,
&gl_type);
/* Check that the driver can create a texture with that size */
if (!tex_driver->size_supported (ctx->texture_driver,
ctx,
GL_TEXTURE_2D,
gl_intformat,
gl_format,
gl_type,
width,
height))
return FALSE;
return TRUE;
}
static gboolean
allocate_with_size (CoglTexture2D *tex_2d,
CoglTextureLoader *loader,
GError **error)
{
CoglTexture *tex = COGL_TEXTURE (tex_2d);
CoglPixelFormat internal_format;
int width = loader->src.sized.width;
int height = loader->src.sized.height;
CoglContext *ctx = cogl_texture_get_context (tex);
CoglTextureDriverClass *tex_driver =
COGL_TEXTURE_DRIVER_GET_CLASS (ctx->texture_driver);
GLenum gl_intformat;
GLenum gl_format;
GLenum gl_type;
GLenum gl_texture;
internal_format =
_cogl_texture_determine_internal_format (tex, loader->src.sized.format);
if (!cogl_texture_driver_gl_texture_2d_can_create (ctx->texture_driver,
ctx,
width,
height,
internal_format))
{
g_set_error_literal (error, COGL_TEXTURE_ERROR,
COGL_TEXTURE_ERROR_SIZE,
"Failed to create texture 2d due to size/format"
" constraints");
return FALSE;
}
ctx->driver_vtable->pixel_format_to_gl (ctx,
internal_format,
&gl_intformat,
&gl_format,
&gl_type);
gl_texture = tex_driver->gen (ctx->texture_driver,
ctx,
GL_TEXTURE_2D,
internal_format);
tex_2d->gl_internal_format = gl_intformat;
_cogl_bind_gl_texture_transient (ctx, GL_TEXTURE_2D,
gl_texture);
/* Clear any GL errors */
_cogl_gl_util_clear_gl_errors (ctx);
ctx->glTexImage2D (GL_TEXTURE_2D, 0, gl_intformat,
width, height, 0, gl_format, gl_type, NULL);
if (_cogl_gl_util_catch_out_of_memory (ctx, error))
{
GE ( ctx, glDeleteTextures (1, &gl_texture) );
return FALSE;
}
tex_2d->gl_texture = gl_texture;
tex_2d->gl_internal_format = gl_intformat;
tex_2d->internal_format = internal_format;
_cogl_texture_set_allocated (tex, internal_format, width, height);
return TRUE;
}
static gboolean
allocate_from_bitmap (CoglTexture2D *tex_2d,
CoglTextureLoader *loader,
GError **error)
{
CoglTexture *tex = COGL_TEXTURE (tex_2d);
CoglBitmap *bmp = loader->src.bitmap.bitmap;
CoglContext *ctx = _cogl_bitmap_get_context (bmp);
CoglTextureDriverClass *tex_driver =
COGL_TEXTURE_DRIVER_GET_CLASS (ctx->texture_driver);
CoglPixelFormat internal_format;
int width = cogl_bitmap_get_width (bmp);
int height = cogl_bitmap_get_height (bmp);
CoglBitmap *upload_bmp;
GLenum gl_intformat;
GLenum gl_format;
GLenum gl_type;
internal_format =
_cogl_texture_determine_internal_format (tex, cogl_bitmap_get_format (bmp));
if (!cogl_texture_driver_gl_texture_2d_can_create (ctx->texture_driver,
ctx,
width,
height,
internal_format))
{
g_set_error_literal (error, COGL_TEXTURE_ERROR,
COGL_TEXTURE_ERROR_SIZE,
"Failed to create texture 2d due to size/format"
" constraints");
return FALSE;
}
upload_bmp = _cogl_bitmap_convert_for_upload (bmp,
internal_format,
error);
if (upload_bmp == NULL)
return FALSE;
ctx->driver_vtable->pixel_format_to_gl (ctx,
cogl_bitmap_get_format (upload_bmp),
NULL, /* internal format */
&gl_format,
&gl_type);
ctx->driver_vtable->pixel_format_to_gl (ctx,
internal_format,
&gl_intformat,
NULL,
NULL);
tex_2d->gl_texture = tex_driver->gen (ctx->texture_driver,
ctx,
GL_TEXTURE_2D,
internal_format);
if (!tex_driver->upload_to_gl (ctx->texture_driver,
ctx,
GL_TEXTURE_2D,
tex_2d->gl_texture,
upload_bmp,
gl_intformat,
gl_format,
gl_type,
error))
{
g_object_unref (upload_bmp);
return FALSE;
}
tex_2d->gl_internal_format = gl_intformat;
g_object_unref (upload_bmp);
tex_2d->internal_format = internal_format;
_cogl_texture_set_allocated (tex, internal_format, width, height);
return TRUE;
}
#if defined (HAVE_EGL) && defined (EGL_KHR_image_base)
static gboolean
allocate_from_egl_image (CoglTexture2D *tex_2d,
CoglTextureLoader *loader,
GError **error)
{
CoglTexture *tex = COGL_TEXTURE (tex_2d);
CoglContext *ctx = cogl_texture_get_context (tex);
CoglPixelFormat internal_format = loader->src.egl_image.format;
CoglTextureDriverClass *tex_driver =
COGL_TEXTURE_DRIVER_GET_CLASS (ctx->texture_driver);
tex_2d->gl_texture = tex_driver->gen (ctx->texture_driver,
ctx,
GL_TEXTURE_2D,
internal_format);
if (!cogl_texture_2d_gl_bind_egl_image (tex_2d,
loader->src.egl_image.image,
error))
{
GE ( ctx, glDeleteTextures (1, &tex_2d->gl_texture) );
return FALSE;
}
tex_2d->internal_format = internal_format;
tex_2d->is_get_data_supported =
!(loader->src.egl_image.flags & COGL_EGL_IMAGE_FLAG_NO_GET_DATA);
_cogl_texture_set_allocated (tex,
internal_format,
loader->src.egl_image.width,
loader->src.egl_image.height);
return TRUE;
}
#endif
#if defined (HAVE_EGL)
static gboolean
allocate_custom_egl_image_external (CoglTexture2D *tex_2d,
CoglTextureLoader *loader,
GError **error)
{
CoglTexture *tex = COGL_TEXTURE (tex_2d);
CoglContext *ctx = cogl_texture_get_context (tex);
CoglPixelFormat external_format;
CoglPixelFormat internal_format;
external_format = loader->src.egl_image_external.format;
internal_format = _cogl_texture_determine_internal_format (tex,
external_format);
_cogl_gl_util_clear_gl_errors (ctx);
GE (ctx, glActiveTexture (GL_TEXTURE0));
GE (ctx, glGenTextures (1, &tex_2d->gl_texture));
GE (ctx, glBindTexture (GL_TEXTURE_EXTERNAL_OES,
tex_2d->gl_texture));
if (_cogl_gl_util_get_error (ctx) != GL_NO_ERROR)
{
g_set_error_literal (error,
COGL_TEXTURE_ERROR,
COGL_TEXTURE_ERROR_BAD_PARAMETER,
"Could not create a CoglTexture2D from a given "
"EGLImage");
GE ( ctx, glDeleteTextures (1, &tex_2d->gl_texture) );
return FALSE;
}
GE (ctx, glTexParameteri (GL_TEXTURE_EXTERNAL_OES,
GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE));
GE (ctx, glTexParameteri (GL_TEXTURE_EXTERNAL_OES,
GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE));
if (!loader->src.egl_image_external.alloc (tex_2d,
tex_2d->egl_image_external.user_data,
error))
{
GE (ctx, glBindTexture (GL_TEXTURE_EXTERNAL_OES, 0));
GE (ctx, glDeleteTextures (1, &tex_2d->gl_texture));
return FALSE;
}
GE (ctx, glBindTexture (GL_TEXTURE_EXTERNAL_OES, 0));
tex_2d->internal_format = internal_format;
tex_2d->gl_target = GL_TEXTURE_EXTERNAL_OES;
tex_2d->is_get_data_supported = FALSE;
return TRUE;
}
#endif
static gboolean
cogl_texture_driver_gl_texture_2d_allocate (CoglTextureDriver *driver,
CoglTexture *tex,
GError **error)
{
CoglTexture2D *tex_2d = COGL_TEXTURE_2D (tex);
CoglTextureLoader *loader = cogl_texture_get_loader (tex);
g_return_val_if_fail (loader, FALSE);
switch (loader->src_type)
{
case COGL_TEXTURE_SOURCE_TYPE_SIZE:
return allocate_with_size (tex_2d, loader, error);
case COGL_TEXTURE_SOURCE_TYPE_BITMAP:
return allocate_from_bitmap (tex_2d, loader, error);
case COGL_TEXTURE_SOURCE_TYPE_EGL_IMAGE:
#if defined (HAVE_EGL) && defined (EGL_KHR_image_base)
return allocate_from_egl_image (tex_2d, loader, error);
#else
g_return_val_if_reached (FALSE);
#endif
case COGL_TEXTURE_SOURCE_TYPE_EGL_IMAGE_EXTERNAL:
#if defined (HAVE_EGL)
return allocate_custom_egl_image_external (tex_2d, loader, error);
#else
g_return_val_if_reached (FALSE);
#endif
}
g_return_val_if_reached (FALSE);
}
static void
cogl_texture_driver_gl_texture_2d_init (CoglTextureDriver *driver,
CoglTexture2D *tex_2d)
{
tex_2d->gl_texture = 0;
/* We default to GL_LINEAR for both filters */
tex_2d->gl_legacy_texobj_min_filter = GL_LINEAR;
tex_2d->gl_legacy_texobj_mag_filter = GL_LINEAR;
/* Wrap mode not yet set */
tex_2d->gl_legacy_texobj_wrap_mode_s = GL_FALSE;
tex_2d->gl_legacy_texobj_wrap_mode_t = GL_FALSE;
tex_2d->egl_image_external.user_data = NULL;
tex_2d->egl_image_external.destroy = NULL;
}
static void
cogl_texture_driver_gl_texture_2d_copy_from_framebuffer (CoglTextureDriver *driver,
CoglTexture2D *tex_2d,
int src_x,
int src_y,
int width,
int height,
CoglFramebuffer *src_fb,
int dst_x,
int dst_y,
int level)
{
CoglTexture *tex = COGL_TEXTURE (tex_2d);
CoglContext *ctx = cogl_texture_get_context (tex);
/* Make sure the current framebuffers are bound, though we don't need to
* flush the clip state here since we aren't going to draw to the
* framebuffer. */
cogl_context_flush_framebuffer_state (ctx,
ctx->current_draw_buffer,
src_fb,
(COGL_FRAMEBUFFER_STATE_ALL &
~COGL_FRAMEBUFFER_STATE_CLIP));
_cogl_bind_gl_texture_transient (ctx, GL_TEXTURE_2D,
tex_2d->gl_texture);
ctx->glCopyTexSubImage2D (GL_TEXTURE_2D,
0, /* level */
dst_x, dst_y,
src_x, src_y,
width, height);
}
static unsigned int
cogl_texture_driver_gl_texture_2d_get_gl_handle (CoglTextureDriver *driver,
CoglTexture2D *tex_2d)
{
return tex_2d->gl_texture;
}
static void
cogl_texture_driver_gl_texture_2d_generate_mipmap (CoglTextureDriver *driver,
CoglTexture2D *tex_2d)
{
_cogl_texture_gl_generate_mipmaps (COGL_TEXTURE (tex_2d));
}
static gboolean
cogl_texture_driver_gl_texture_2d_copy_from_bitmap (CoglTextureDriver *driver,
CoglTexture2D *tex_2d,
int src_x,
int src_y,
int width,
int height,
CoglBitmap *bmp,
int dst_x,
int dst_y,
int level,
GError **error)
{
CoglTexture *tex = COGL_TEXTURE (tex_2d);
CoglContext *ctx = cogl_texture_get_context (tex);
CoglTextureDriverClass *tex_driver =
COGL_TEXTURE_DRIVER_GET_CLASS (ctx->texture_driver);
CoglBitmap *upload_bmp;
CoglPixelFormat upload_format;
GLenum gl_format;
GLenum gl_type;
gboolean status = TRUE;
upload_bmp =
_cogl_bitmap_convert_for_upload (bmp,
cogl_texture_get_format (tex),
error);
if (upload_bmp == NULL)
return FALSE;
upload_format = cogl_bitmap_get_format (upload_bmp);
/* Only support single plane formats */
if (upload_format == COGL_PIXEL_FORMAT_ANY ||
cogl_pixel_format_get_n_planes (upload_format) != 1)
return FALSE;
ctx->driver_vtable->pixel_format_to_gl (ctx,
upload_format,
NULL, /* internal gl format */
&gl_format,
&gl_type);
if (cogl_texture_get_max_level_set (tex) < level)
cogl_texture_gl_set_max_level (tex, level);
status = tex_driver->upload_subregion_to_gl (ctx->texture_driver,
ctx,
tex,
src_x, src_y,
dst_x, dst_y,
width, height,
level,
upload_bmp,
gl_format,
gl_type,
error);
g_object_unref (upload_bmp);
return status;
}
static void
cogl_texture_driver_gl_class_init (CoglTextureDriverGLClass *klass)
{
CoglTextureDriverClass *driver_klass = COGL_TEXTURE_DRIVER_CLASS (klass);
driver_klass->texture_2d_free = _cogl_texture_2d_gl_free;
driver_klass->texture_2d_can_create = _cogl_texture_2d_gl_can_create;
driver_klass->texture_2d_init = _cogl_texture_2d_gl_init;
driver_klass->texture_2d_allocate = _cogl_texture_2d_gl_allocate;
driver_klass->texture_2d_copy_from_framebuffer = _cogl_texture_2d_gl_copy_from_framebuffer;
driver_klass->texture_2d_get_gl_handle = _cogl_texture_2d_gl_get_gl_handle;
driver_klass->texture_2d_generate_mipmap = _cogl_texture_2d_gl_generate_mipmap;
driver_klass->texture_2d_copy_from_bitmap = _cogl_texture_2d_gl_copy_from_bitmap;
driver_klass->texture_2d_free = cogl_texture_driver_gl_texture_2d_free;
driver_klass->texture_2d_can_create = cogl_texture_driver_gl_texture_2d_can_create;
driver_klass->texture_2d_init = cogl_texture_driver_gl_texture_2d_init;
driver_klass->texture_2d_allocate = cogl_texture_driver_gl_texture_2d_allocate;
driver_klass->texture_2d_copy_from_framebuffer = cogl_texture_driver_gl_texture_2d_copy_from_framebuffer;
driver_klass->texture_2d_get_gl_handle = cogl_texture_driver_gl_texture_2d_get_gl_handle;
driver_klass->texture_2d_generate_mipmap = cogl_texture_driver_gl_texture_2d_generate_mipmap;
driver_klass->texture_2d_copy_from_bitmap = cogl_texture_driver_gl_texture_2d_copy_from_bitmap;
}
static void