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vkd3d-shader: Don't resize the buffer when there is enough free space.

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Signed-off-by: Matteo Bruni <mbruni@codeweavers.com>
Signed-off-by: Henri Verbeet <hverbeet@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Matteo Bruni 2021-09-30 21:36:16 +02:00 committed by Alexandre Julliard
parent a1f938e8e4
commit c3f8531477
2 changed files with 3 additions and 10 deletions
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10
libs/vkd3d-shader/vkd3d_shader_main.c
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@ -41,20 +41,14 @@ static void vkd3d_string_buffer_clear(struct vkd3d_string_buffer *buffer)
static bool vkd3d_string_buffer_resize(struct vkd3d_string_buffer *buffer, int rc)
{
unsigned int new_buffer_size = buffer->buffer_size * 2;
char *new_buffer;
unsigned int new_buffer_size = rc >= 0 ? buffer->content_size + rc + 1 : max(buffer->buffer_size * 2, 32);
new_buffer_size = max(new_buffer_size, 32);
while (rc > 0 && (unsigned int)rc >= new_buffer_size - buffer->content_size)
new_buffer_size *= 2;
if (!(new_buffer = vkd3d_realloc(buffer->buffer, new_buffer_size)))
if (!vkd3d_array_reserve((void **)&buffer->buffer, &buffer->buffer_size, new_buffer_size, 1))
{
ERR("Failed to grow buffer.\n");
buffer->buffer[buffer->content_size] = '\0';
return false;
}
buffer->buffer = new_buffer;
buffer->buffer_size = new_buffer_size;
return true;
}

3
libs/vkd3d-shader/vkd3d_shader_private.h
View File

@ -912,8 +912,7 @@ void shader_sm4_reset(struct vkd3d_shader_parser *parser);
struct vkd3d_string_buffer
{
char *buffer;
unsigned int buffer_size;
unsigned int content_size;
size_t buffer_size, content_size;
};
struct vkd3d_string_buffer_cache