AuroraMiddleware/gtk
1
0
Fork 1
mirror of https://gitlab.gnome.org/GNOME/gtk.git synced 2024-11-11 03:10:09 +00:00
Code Issues Projects Releases Wiki Activity

gsk: Add slicing to texture scale nodes

Browse Source 
This makes it possible to use large textures
with filtering.

Fixes: #5664
This commit is contained in:
Matthias Clasen 2023-03-17 00:50:27 -04:00
parent f3b0aa27ea
commit b14a134a46
1 changed files with 103 additions and 30 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

133
gsk/gl/gskglrenderjob.c
View File

@ -29,6 +29,7 @@
#include <gsk/gskrendernodeprivate.h>
#include <gsk/gskglshaderprivate.h>
#include <gdk/gdktextureprivate.h>
#include <gdk/gdkmemorytextureprivate.h>
#include <gsk/gsktransformprivate.h>
#include <gsk/gskroundedrectprivate.h>
#include <math.h>
@ -3626,11 +3627,11 @@ gsk_gl_render_job_visit_texture_scale_node (GskGLRenderJob *job,
{
GdkTexture *texture = gsk_texture_scale_node_get_texture (node);
const graphene_rect_t *bounds = &node->bounds;
GskScalingFilter scaling_filter = gsk_texture_scale_node_get_filter (node);
GskScalingFilter filter = gsk_texture_scale_node_get_filter (node);
int min_filters[] = { GL_LINEAR, GL_NEAREST, GL_LINEAR_MIPMAP_LINEAR };
int mag_filters[] = { GL_LINEAR, GL_NEAREST, GL_LINEAR };
int min_filter = min_filters[scaling_filter];
int mag_filter = mag_filters[scaling_filter];
int min_filter = min_filters[filter];
int mag_filter = mag_filters[filter];
int max_texture_size = job->command_queue->max_texture_size;
graphene_rect_t clip_rect;
GskGLRenderTarget *render_target;
@ -3640,22 +3641,23 @@ gsk_gl_render_job_visit_texture_scale_node (GskGLRenderJob *job,
graphene_matrix_t prev_projection;
float prev_alpha;
guint prev_fbo;
guint texture_id;
float u0, u1, v0, v1;
GskTextureKey key;
GdkTexture *subtexture = NULL;
graphene_rect_t subbounds;
guint texture_id;
if (filter == GSK_SCALING_FILTER_LINEAR)
{
gsk_gl_render_job_visit_texture (job, texture, bounds);
return;
}
gsk_gl_render_job_untransform_bounds (job, &job->current_clip->rect.bounds, &clip_rect);
if (!graphene_rect_intersection (bounds, &clip_rect, &clip_rect))
return;
if G_UNLIKELY (clip_rect.size.width > max_texture_size ||
clip_rect.size.height > max_texture_size)
{
gsk_gl_render_job_visit_texture (job, texture, bounds);
return;
}
key.pointer = node;
key.pointer_is_child = TRUE;
key.parent_rect = clip_rect;
@ -3664,6 +3666,7 @@ gsk_gl_render_job_visit_texture_scale_node (GskGLRenderJob *job,
key.filter = min_filter;
texture_id = gsk_gl_driver_lookup_texture (job->driver, &key);
if (texture_id != 0)
goto render_texture;
@ -3682,15 +3685,35 @@ gsk_gl_render_job_visit_texture_scale_node (GskGLRenderJob *job,
return;
}
gsk_gl_render_job_upload_texture (job, texture, min_filter, mag_filter, &offscreen);
if G_UNLIKELY (texture->width > max_texture_size ||
texture->height > max_texture_size)
{
float scale_x = bounds->size.width / texture->width;
float scale_y = bounds->size.height / texture->height;
int x, y, width, height;
g_assert (offscreen.texture_id);
g_assert (offscreen.was_offscreen == FALSE);
x = (int) floorf ((clip_rect.origin.x - bounds->origin.x) / scale_x);
y = (int) floorf ((clip_rect.origin.y - bounds->origin.y) / scale_y);
width = (int) ceilf (clip_rect.size.width / scale_x);
height = (int) ceilf (clip_rect.size.height / scale_y);
u0 = (clip_rect.origin.x - bounds->origin.x) / bounds->size.width;
v0 = (clip_rect.origin.y - bounds->origin.y) / bounds->size.height;
u1 = (clip_rect.origin.x + clip_rect.size.width - bounds->origin.x) / bounds->size.width;
v1 = (clip_rect.origin.y + clip_rect.size.height - bounds->origin.y) / bounds->size.height;
if (width <= max_texture_size && height <= max_texture_size)
{
GdkMemoryTexture *memtex;
memtex = gdk_memory_texture_from_texture (texture, gdk_texture_get_format (texture));
subtexture = gdk_memory_texture_new_subtexture (memtex, x, y, width, height);
g_object_unref (memtex);
subbounds.origin.x = bounds->origin.x + x * scale_x;
subbounds.origin.y = bounds->origin.y + y * scale_y;
subbounds.size.width = width * scale_x;
subbounds.size.height = height * scale_y;
texture = subtexture;
bounds = &subbounds;
}
}
gsk_gl_render_job_set_viewport (job, &viewport, &prev_viewport);
gsk_gl_render_job_set_projection_from_rect (job, &viewport, &prev_projection);
@ -3701,17 +3724,66 @@ gsk_gl_render_job_visit_texture_scale_node (GskGLRenderJob *job,
prev_fbo = gsk_gl_command_queue_bind_framebuffer (job->command_queue, render_target->framebuffer_id);
gsk_gl_command_queue_clear (job->command_queue, 0, &viewport);
gsk_gl_render_job_begin_draw (job, CHOOSE_PROGRAM (job, blit));
gsk_gl_program_set_uniform_texture (job->current_program,
UNIFORM_SHARED_SOURCE, 0,
GL_TEXTURE_2D,
GL_TEXTURE0,
offscreen.texture_id);
gsk_gl_render_job_draw_coords (job,
0, 0, clip_rect.size.width, clip_rect.size.height,
u0, v0, u1, v1,
(guint16[]) { FP16_ZERO, FP16_ZERO, FP16_ZERO, FP16_ZERO });
gsk_gl_render_job_end_draw (job);
if G_LIKELY (texture->width <= max_texture_size &&
texture->height <= max_texture_size)
{
gsk_gl_render_job_upload_texture (job, texture, min_filter, mag_filter, &offscreen);
g_assert (offscreen.texture_id);
g_assert (offscreen.was_offscreen == FALSE);
u0 = (clip_rect.origin.x - bounds->origin.x) / bounds->size.width;
v0 = (clip_rect.origin.y - bounds->origin.y) / bounds->size.height;
u1 = (clip_rect.origin.x + clip_rect.size.width - bounds->origin.x) / bounds->size.width;
v1 = (clip_rect.origin.y + clip_rect.size.height - bounds->origin.y) / bounds->size.height;
gsk_gl_render_job_begin_draw (job, CHOOSE_PROGRAM (job, blit));
gsk_gl_program_set_uniform_texture (job->current_program,
UNIFORM_SHARED_SOURCE, 0,
GL_TEXTURE_2D,
GL_TEXTURE0,
offscreen.texture_id);
gsk_gl_render_job_draw_coords (job,
0, 0, clip_rect.size.width, clip_rect.size.height,
u0, v0, u1, v1,
(guint16[]) { FP16_ZERO, FP16_ZERO, FP16_ZERO, FP16_ZERO });
gsk_gl_render_job_end_draw (job);
}
else
{
float scale_x = bounds->size.width / texture->width;
float scale_y = bounds->size.height / texture->height;
GskGLTextureSlice *slices = NULL;
guint n_slices = 0;
gsk_gl_driver_slice_texture (job->driver, texture, min_filter, mag_filter, 0, 0, &slices, &n_slices);
for (guint i = 0; i < n_slices; i++)
{
const GskGLTextureSlice *slice = &slices[i];
graphene_rect_t slice_bounds;
slice_bounds.origin.x = bounds->origin.x - clip_rect.origin.x + slice->rect.x * scale_x;
slice_bounds.origin.y = bounds->origin.y - clip_rect.origin.y + slice->rect.y * scale_y;
slice_bounds.size.width = slice->rect.width * scale_x;
slice_bounds.size.height = slice->rect.height * scale_y;
gsk_gl_render_job_begin_draw (job, CHOOSE_PROGRAM (job, blit));
gsk_gl_program_set_uniform_texture (job->current_program,
UNIFORM_SHARED_SOURCE, 0,
GL_TEXTURE_2D,
GL_TEXTURE0,
slice->texture_id);
gsk_gl_render_job_draw_coords (job,
slice_bounds.origin.x,
slice_bounds.origin.y,
slice_bounds.origin.x + slice_bounds.size.width,
slice_bounds.origin.y + slice_bounds.size.height,
0, 0, 1, 1,
(guint16[]){ FP16_ZERO, FP16_ZERO, FP16_ZERO, FP16_ZERO } );
gsk_gl_render_job_end_draw (job);
}
}
gsk_gl_render_job_pop_clip (job);
gsk_gl_render_job_pop_modelview (job);
@ -3721,7 +3793,6 @@ gsk_gl_render_job_visit_texture_scale_node (GskGLRenderJob *job,
gsk_gl_command_queue_bind_framebuffer (job->command_queue, prev_fbo);
texture_id = gsk_gl_driver_release_render_target (job->driver, render_target, FALSE);
gsk_gl_driver_cache_texture (job->driver, &key, texture_id);
render_texture:
@ -3740,6 +3811,8 @@ render_texture:
clip_rect.size.height / ceilf (clip_rect.size.height), 0,
(guint16[]){ FP16_ZERO, FP16_ZERO, FP16_ZERO, FP16_ZERO } );
gsk_gl_render_job_end_draw (job);
g_clear_object (&subtexture);
}
static inline void