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Fixed double-free in the shader cache at shutdown

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This commit is contained in:
Sam Lantinga 2011-11-07 00:45:13 -05:00
parent 5054c0e57d
commit 6a5a074397
1 changed files with 23 additions and 13 deletions
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36
src/render/opengles2/SDL_render_gles2.c
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@ -190,24 +190,34 @@ static void
GLES2_DestroyRenderer(SDL_Renderer *renderer)
{
GLES2_DriverContext *rdata = (GLES2_DriverContext *)renderer->driverdata;
GLES2_ProgramCacheEntry *entry;
GLES2_ProgramCacheEntry *next;
/* Deallocate everything */
if (rdata) {
GLES2_ActivateRenderer(renderer);
entry = rdata->program_cache.head;
while (entry) {
glDeleteShader(entry->vertex_shader->id);
glDeleteShader(entry->fragment_shader->id);
SDL_free(entry->vertex_shader);
SDL_free(entry->fragment_shader);
glDeleteProgram(entry->id);
next = entry->next;
SDL_free(entry);
entry = next;
}
{
GLES2_ShaderCacheEntry *entry;
GLES2_ShaderCacheEntry *next;
entry = rdata->shader_cache.head;
while (entry)
{
glDeleteShader(entry->id);
next = entry->next;
SDL_free(entry);
entry = next;
}
}
{
GLES2_ProgramCacheEntry *entry;
GLES2_ProgramCacheEntry *next;
entry = rdata->program_cache.head;
while (entry) {
glDeleteProgram(entry->id);
next = entry->next;
SDL_free(entry);
entry = next;
}
}
if (rdata->context) {
SDL_GL_DeleteContext(rdata->context);
}