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cogl: Move texture unit state to CoglGLContext

Browse Source 
https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1194
This commit is contained in:
Adam Jackson 2020-04-09 14:12:31 -04:00
parent e03c75bac7
commit 245977e525
4 changed files with 39 additions and 22 deletions
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3
cogl/cogl/cogl-context-private.h
View File

@ -121,9 +121,6 @@ struct _CoglContext
CoglMatrixEntry identity_entry;
GArray *texture_units;
int active_texture_unit;
/* Only used for comparing other pipelines when reading pixels. */
CoglPipeline *opaque_color_pipeline;

39
cogl/cogl/driver/gl/cogl-pipeline-opengl.c
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@ -94,47 +94,51 @@ CoglTextureUnit *
_cogl_get_texture_unit (int index_)
{
_COGL_GET_CONTEXT (ctx, NULL);
CoglGLContext *glctx = _cogl_driver_gl_context(ctx);
if (ctx->texture_units->len < (index_ + 1))
if (glctx->texture_units->len < (index_ + 1))
{
int i;
int prev_len = ctx->texture_units->len;
ctx->texture_units = g_array_set_size (ctx->texture_units, index_ + 1);
int prev_len = glctx->texture_units->len;
glctx->texture_units = g_array_set_size (glctx->texture_units,
index_ + 1);
for (i = prev_len; i <= index_; i++)
{
CoglTextureUnit *unit =
&g_array_index (ctx->texture_units, CoglTextureUnit, i);
&g_array_index (glctx->texture_units, CoglTextureUnit, i);
texture_unit_init (ctx, unit, i);
}
}
return &g_array_index (ctx->texture_units, CoglTextureUnit, index_);
return &g_array_index (glctx->texture_units, CoglTextureUnit, index_);
}
void
_cogl_destroy_texture_units (CoglContext *ctx)
{
int i;
CoglGLContext *glctx = _cogl_driver_gl_context(ctx);
for (i = 0; i < ctx->texture_units->len; i++)
for (i = 0; i < glctx->texture_units->len; i++)
{
CoglTextureUnit *unit =
&g_array_index (ctx->texture_units, CoglTextureUnit, i);
&g_array_index (glctx->texture_units, CoglTextureUnit, i);
texture_unit_free (unit);
}
g_array_free (ctx->texture_units, TRUE);
g_array_free (glctx->texture_units, TRUE);
}
void
_cogl_set_active_texture_unit (int unit_index)
{
_COGL_GET_CONTEXT (ctx, NO_RETVAL);
CoglGLContext *glctx = _cogl_driver_gl_context(ctx);
if (ctx->active_texture_unit != unit_index)
if (glctx->active_texture_unit != unit_index)
{
GE (ctx, glActiveTexture (GL_TEXTURE0 + unit_index));
ctx->active_texture_unit = unit_index;
glctx->active_texture_unit = unit_index;
}
}
@ -190,11 +194,12 @@ _cogl_delete_gl_texture (GLuint gl_texture)
int i;
_COGL_GET_CONTEXT (ctx, NO_RETVAL);
CoglGLContext *glctx = _cogl_driver_gl_context(ctx);
for (i = 0; i < ctx->texture_units->len; i++)
for (i = 0; i < glctx->texture_units->len; i++)
{
CoglTextureUnit *unit =
&g_array_index (ctx->texture_units, CoglTextureUnit, i);
&g_array_index (glctx->texture_units, CoglTextureUnit, i);
if (unit->gl_texture == gl_texture)
{
@ -218,11 +223,12 @@ _cogl_pipeline_texture_storage_change_notify (CoglTexture *texture)
int i;
_COGL_GET_CONTEXT (ctx, NO_RETVAL);
CoglGLContext *glctx = _cogl_driver_gl_context(ctx);
for (i = 0; i < ctx->texture_units->len; i++)
for (i = 0; i < glctx->texture_units->len; i++)
{
CoglTextureUnit *unit =
&g_array_index (ctx->texture_units, CoglTextureUnit, i);
&g_array_index (glctx->texture_units, CoglTextureUnit, i);
if (unit->layer &&
_cogl_pipeline_layer_get_texture (unit->layer) == texture)
@ -704,11 +710,12 @@ foreach_texture_unit_update_filter_and_wrap_modes (void)
int i;
_COGL_GET_CONTEXT (ctx, NO_RETVAL);
CoglGLContext *glctx = _cogl_driver_gl_context(ctx);
for (i = 0; i < ctx->texture_units->len; i++)
for (i = 0; i < glctx->texture_units->len; i++)
{
CoglTextureUnit *unit =
&g_array_index (ctx->texture_units, CoglTextureUnit, i);
&g_array_index (glctx->texture_units, CoglTextureUnit, i);
if (unit->layer)
{

5
cogl/cogl/driver/gl/cogl-util-gl-private.h
View File

@ -76,7 +76,10 @@ _cogl_gl_error_to_string (GLenum error_code);
#endif /* COGL_GL_DEBUG */
typedef struct _CoglGLContext CoglGLContext; /* opaque for the moment */
typedef struct _CoglGLContext {
GArray *texture_units;
int active_texture_unit;
} CoglGLContext;
CoglGLContext *
_cogl_driver_gl_context (CoglContext *context);

14
cogl/cogl/driver/gl/cogl-util-gl.c
View File

@ -84,12 +84,21 @@ _cogl_driver_gl_context (CoglContext *context)
gboolean
_cogl_driver_gl_context_init (CoglContext *context)
{
context->texture_units =
CoglGLContext *gl_context;
if (!context->driver_context)
context->driver_context = g_new0 (CoglContext, 1);
gl_context = _cogl_driver_gl_context (context);
if (!gl_context)
return FALSE;
gl_context->texture_units =
g_array_new (FALSE, FALSE, sizeof (CoglTextureUnit));
/* See cogl-pipeline.c for more details about why we leave texture unit 1
* active by default... */
context->active_texture_unit = 1;
gl_context->active_texture_unit = 1;
GE (context, glActiveTexture (GL_TEXTURE1));
return TRUE;
@ -99,6 +108,7 @@ void
_cogl_driver_gl_context_deinit (CoglContext *context)
{
_cogl_destroy_texture_units (context);
g_free (context->driver_context);
}
GLenum