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renderer/native: Refactor into secondary_gpu_get_next_dumb_buffer

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Extract the next buffer -logic into a new function. This allows to
simplify copy_shared_framebuffer_cpu () making it more readable.

This change is a pure refactoring, no functional changes.

https://gitlab.gnome.org/GNOME/mutter/merge_requests/593
This commit is contained in:
Pekka Paalanen 2018-11-29 13:54:31 +02:00 committed by Georges Basile Stavracas Neto
parent 1b61b9cd73
commit 2145333969
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GPG Key ID: 886C17EE170D1385
1 changed files with 23 additions and 29 deletions
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52
src/backends/native/meta-renderer-native.c
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@ -2126,6 +2126,18 @@ copy_shared_framebuffer_gpu (CoglOnscreen *onscreen,
}
}
static MetaDumbBuffer *
secondary_gpu_get_next_dumb_buffer (MetaOnscreenNativeSecondaryGpuState *secondary_gpu_state)
{
MetaDumbBuffer *current_dumb_fb;
current_dumb_fb = secondary_gpu_state->cpu.dumb_fb;
if (current_dumb_fb == &secondary_gpu_state->cpu.dumb_fbs[0])
return &secondary_gpu_state->cpu.dumb_fbs[1];
else
return &secondary_gpu_state->cpu.dumb_fbs[0];
}
typedef struct _PixelFormatMap {
uint32_t drm_format;
CoglPixelFormat cogl_format;
@ -2192,47 +2204,28 @@ copy_shared_framebuffer_cpu (CoglOnscreen *onscreen,
{
CoglFramebuffer *framebuffer = COGL_FRAMEBUFFER (onscreen);
CoglContext *cogl_context = framebuffer->context;
int width, height;
uint8_t *target_data;
int target_stride_bytes;
uint32_t target_fb_id;
uint32_t target_drm_format;
MetaDumbBuffer *next_dumb_fb;
MetaDumbBuffer *current_dumb_fb;
MetaDumbBuffer *dumb_fb;
CoglBitmap *dumb_bitmap;
CoglPixelFormat cogl_format;
gboolean ret;
MetaDrmBufferDumb *buffer_dumb;
width = cogl_framebuffer_get_width (framebuffer);
height = cogl_framebuffer_get_height (framebuffer);
dumb_fb = secondary_gpu_get_next_dumb_buffer (secondary_gpu_state);
current_dumb_fb = secondary_gpu_state->cpu.dumb_fb;
if (current_dumb_fb == &secondary_gpu_state->cpu.dumb_fbs[0])
next_dumb_fb = &secondary_gpu_state->cpu.dumb_fbs[1];
else
next_dumb_fb = &secondary_gpu_state->cpu.dumb_fbs[0];
secondary_gpu_state->cpu.dumb_fb = next_dumb_fb;
g_assert (cogl_framebuffer_get_width (framebuffer) == dumb_fb->width);
g_assert (cogl_framebuffer_get_height (framebuffer) == dumb_fb->height);
g_assert (width == secondary_gpu_state->cpu.dumb_fb->width);
g_assert (height == secondary_gpu_state->cpu.dumb_fb->height);
target_data = secondary_gpu_state->cpu.dumb_fb->map;
target_stride_bytes = secondary_gpu_state->cpu.dumb_fb->stride_bytes;
target_fb_id = secondary_gpu_state->cpu.dumb_fb->fb_id;
target_drm_format = secondary_gpu_state->cpu.dumb_fb->drm_format;
ret = cogl_pixel_format_from_drm_format (target_drm_format,
ret = cogl_pixel_format_from_drm_format (dumb_fb->drm_format,
&cogl_format,
NULL);
g_assert (ret);
dumb_bitmap = cogl_bitmap_new_for_data (cogl_context,
width,
height,
dumb_fb->width,
dumb_fb->height,
cogl_format,
target_stride_bytes,
target_data);
dumb_fb->stride_bytes,
dumb_fb->map);
if (!cogl_framebuffer_read_pixels_into_bitmap (framebuffer,
0 /* x */,
@ -2244,8 +2237,9 @@ copy_shared_framebuffer_cpu (CoglOnscreen *onscreen,
cogl_object_unref (dumb_bitmap);
g_clear_object (&secondary_gpu_state->gbm.next_fb);
buffer_dumb = meta_drm_buffer_dumb_new (target_fb_id);
buffer_dumb = meta_drm_buffer_dumb_new (dumb_fb->fb_id);
secondary_gpu_state->gbm.next_fb = META_DRM_BUFFER (buffer_dumb);
secondary_gpu_state->cpu.dumb_fb = dumb_fb;
}
static void