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1bd820fc60
gtk/gsk/vulkan/gskvulkanrenderpass.c
Benjamin Otte 1bd820fc60 vulkan: Clean up renderpass/offscreen creation 
Instead of scale and whatnot, pass:
1. The image size
2. The viewport to map to that image size
and compute everything else from there.

In particular, we set the Vulkan viewport to the image dimensions
instead of the viewport size.

All of this makes things a lot simpler while keeping the required
functionality.
2023-07-22 23:30:15 +02:00

1333 lines
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#include "config.h"
#include "gskvulkanrenderpassprivate.h"
#include "gskdebugprivate.h"
#include "gskprofilerprivate.h"
#include "gskrendernodeprivate.h"
#include "gskrenderer.h"
#include "gskrendererprivate.h"
#include "gskroundedrectprivate.h"
#include "gsktransform.h"
#include "gskvulkanblendmodeopprivate.h"
#include "gskvulkanbluropprivate.h"
#include "gskvulkanborderopprivate.h"
#include "gskvulkanclearopprivate.h"
#include "gskvulkanclipprivate.h"
#include "gskvulkancolormatrixopprivate.h"
#include "gskvulkancoloropprivate.h"
#include "gskvulkanconvertopprivate.h"
#include "gskvulkancrossfadeopprivate.h"
#include "gskvulkanglyphopprivate.h"
#include "gskvulkaninsetshadowopprivate.h"
#include "gskvulkanlineargradientopprivate.h"
#include "gskvulkanmaskopprivate.h"
#include "gskvulkanopprivate.h"
#include "gskvulkanprivate.h"
#include "gskvulkanrendererprivate.h"
#include "gskvulkanimageprivate.h"
#include "gskvulkanrenderpassopprivate.h"
#include "gskvulkanoutsetshadowopprivate.h"
#include "gskvulkanpushconstantsopprivate.h"
#include "gskvulkanscissoropprivate.h"
#include "gskvulkantextureopprivate.h"
#include "gskvulkanuploadopprivate.h"
#include "gskprivate.h"
#include "gdk/gdkvulkancontextprivate.h"
#define ORTHO_NEAR_PLANE -10000
#define ORTHO_FAR_PLANE 10000
typedef struct _GskVulkanParseState GskVulkanParseState;
struct _GskVulkanRenderPass
{
int empty;
};
struct _GskVulkanParseState
{
cairo_rectangle_int_t scissor;
graphene_point_t offset;
graphene_vec2_t scale;
GskTransform *modelview;
graphene_matrix_t projection;
GskVulkanClip clip;
};
GskVulkanRenderPass *
gsk_vulkan_render_pass_new (void)
{
GskVulkanRenderPass *self;
self = g_new0 (GskVulkanRenderPass, 1);
return self;
}
void
gsk_vulkan_render_pass_free (GskVulkanRenderPass *self)
{
g_free (self);
}
static void
gsk_vulkan_render_pass_append_scissor (GskVulkanRender *render,
GskRenderNode *node,
const GskVulkanParseState *state)
{
gsk_vulkan_scissor_op (render, &state->scissor);
}
static void
gsk_vulkan_render_pass_append_push_constants (GskVulkanRender *render,
GskRenderNode *node,
const GskVulkanParseState *state)
{
graphene_matrix_t mvp;
if (state->modelview)
{
gsk_transform_to_matrix (state->modelview, &mvp);
graphene_matrix_multiply (&mvp, &state->projection, &mvp);
}
else
graphene_matrix_init_from_matrix (&mvp, &state->projection);
gsk_vulkan_push_constants_op (render, &state->scale, &mvp, &state->clip.rect);
}
#define FALLBACK(...) G_STMT_START { \
GSK_RENDERER_DEBUG (gsk_vulkan_render_get_renderer (render), FALLBACK, __VA_ARGS__); \
return FALSE; \
}G_STMT_END
static gboolean
gsk_vulkan_parse_rect_is_integer (const GskVulkanParseState *state,
const graphene_rect_t *rect,
cairo_rectangle_int_t *int_rect)
{
graphene_rect_t transformed_rect;
float scale_x = graphene_vec2_get_x (&state->scale);
float scale_y = graphene_vec2_get_y (&state->scale);
switch (gsk_transform_get_category (state->modelview))
{
case GSK_TRANSFORM_CATEGORY_UNKNOWN:
case GSK_TRANSFORM_CATEGORY_ANY:
case GSK_TRANSFORM_CATEGORY_3D:
case GSK_TRANSFORM_CATEGORY_2D:
return FALSE;
case GSK_TRANSFORM_CATEGORY_2D_AFFINE:
case GSK_TRANSFORM_CATEGORY_2D_TRANSLATE:
gsk_transform_transform_bounds (state->modelview, rect, &transformed_rect);
rect = &transformed_rect;
break;
case GSK_TRANSFORM_CATEGORY_IDENTITY:
default:
break;
}
int_rect->x = rect->origin.x * scale_x;
int_rect->y = rect->origin.y * scale_y;
int_rect->width = rect->size.width * scale_x;
int_rect->height = rect->size.height * scale_y;
return int_rect->x == rect->origin.x * scale_x
&& int_rect->y == rect->origin.y * scale_y
&& int_rect->width == rect->size.width * scale_x
&& int_rect->height == rect->size.height * scale_y;
}
static GskVulkanImage *
gsk_vulkan_render_pass_upload_texture (GskVulkanRender *render,
GdkTexture *texture)
{
GskVulkanImage *image, *better_image;
int width, height;
GskVulkanImagePostprocess postproc;
graphene_matrix_t projection;
graphene_vec2_t scale;
image = gsk_vulkan_upload_texture_op (render, texture);
postproc = gsk_vulkan_image_get_postprocess (image);
if (postproc == 0)
return image;
width = gdk_texture_get_width (texture);
height = gdk_texture_get_height (texture);
better_image = gsk_vulkan_image_new_for_offscreen (gsk_vulkan_render_get_context (render),
gdk_texture_get_format (texture),
width, height);
gsk_vulkan_render_pass_begin_op (render,
g_object_ref (better_image),
&(cairo_rectangle_int_t) { 0, 0, width, height },
VK_IMAGE_LAYOUT_UNDEFINED,
VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL);
gsk_vulkan_scissor_op (render, &(cairo_rectangle_int_t) { 0, 0, width, height });
graphene_matrix_init_ortho (&projection,
0, width,
0, height,
2 * ORTHO_NEAR_PLANE - ORTHO_FAR_PLANE,
ORTHO_FAR_PLANE);
graphene_vec2_init (&scale, 1.0, 1.0);
gsk_vulkan_push_constants_op (render, &scale, &projection, &GSK_ROUNDED_RECT_INIT(0, 0, width, height));
gsk_vulkan_convert_op (render,
GSK_VULKAN_SHADER_CLIP_NONE,
image,
&GRAPHENE_RECT_INIT (0, 0, width, height),
&GRAPHENE_POINT_INIT (0, 0),
&GRAPHENE_RECT_INIT (0, 0, width, height));
gsk_vulkan_render_pass_end_op (render,
better_image,
VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL);
g_object_unref (better_image);
return better_image;
}
static GskVulkanImage *
gsk_vulkan_render_pass_get_node_as_image (GskVulkanRenderPass *self,
GskVulkanRender *render,
const GskVulkanParseState *state,
GskRenderNode *node,
graphene_rect_t *tex_bounds)
{
GskVulkanImage *result;
switch ((guint) gsk_render_node_get_node_type (node))
{
case GSK_TEXTURE_NODE:
{
GdkTexture *texture = gsk_texture_node_get_texture (node);
GskVulkanRenderer *renderer = GSK_VULKAN_RENDERER (gsk_vulkan_render_get_renderer (render));
result = gsk_vulkan_renderer_get_texture_image (renderer, texture);
if (result == NULL)
{
result = gsk_vulkan_render_pass_upload_texture (render, texture);
gsk_vulkan_renderer_add_texture_image (renderer, texture, result);
}
*tex_bounds = node->bounds;
return result;
}
case GSK_CAIRO_NODE:
{
graphene_rect_t clipped;
graphene_rect_offset_r (&state->clip.rect.bounds, - state->offset.x, - state->offset.y, &clipped);
graphene_rect_intersection (&clipped, &node->bounds, &clipped);
if (clipped.size.width == 0 || clipped.size.height == 0)
return NULL;
result = gsk_vulkan_upload_cairo_op (render,
node,
&state->scale,
&clipped);
*tex_bounds = clipped;
return result;
}
default:
{
graphene_rect_t clipped;
graphene_rect_offset_r (&state->clip.rect.bounds, - state->offset.x, - state->offset.y, &clipped);
graphene_rect_intersection (&clipped, &node->bounds, &clipped);
if (clipped.size.width == 0 || clipped.size.height == 0)
return NULL;
/* assuming the unclipped bounds should go to texture coordinates 0..1,
* calculate the coordinates for the clipped texture size
*/
*tex_bounds = clipped;
result = gsk_vulkan_render_pass_op_offscreen (render,
&state->scale,
&clipped,
node);
return result;
}
}
}
static void
gsk_vulkan_render_pass_add_node (GskVulkanRenderPass *self,
GskVulkanRender *render,
const GskVulkanParseState *state,
GskRenderNode *node);
static inline gboolean
gsk_vulkan_render_pass_add_fallback_node (GskVulkanRenderPass *self,
GskVulkanRender *render,
const GskVulkanParseState *state,
GskRenderNode *node)
{
GskVulkanImage *image;
graphene_rect_t clipped;
graphene_rect_offset_r (&state->clip.rect.bounds, - state->offset.x, - state->offset.y, &clipped);
graphene_rect_intersection (&clipped, &node->bounds, &clipped);
if (clipped.size.width == 0 || clipped.size.height == 0)
return TRUE;
image = gsk_vulkan_upload_cairo_op (render,
node,
&state->scale,
&clipped);
gsk_vulkan_texture_op (render,
gsk_vulkan_clip_get_shader_clip (&state->clip, &state->offset, &node->bounds),
image,
GSK_VULKAN_SAMPLER_DEFAULT,
&node->bounds,
&state->offset,
&clipped);
return TRUE;
}
static inline gboolean
gsk_vulkan_render_pass_implode (GskVulkanRenderPass *self,
GskVulkanRender *render,
const GskVulkanParseState *state,
GskRenderNode *node)
{
g_assert_not_reached ();
return TRUE;
}
static inline gboolean
gsk_vulkan_render_pass_add_container_node (GskVulkanRenderPass *self,
GskVulkanRender *render,
const GskVulkanParseState *state,
GskRenderNode *node)
{
for (guint i = 0; i < gsk_container_node_get_n_children (node); i++)
gsk_vulkan_render_pass_add_node (self, render, state, gsk_container_node_get_child (node, i));
return TRUE;
}
static inline gboolean
gsk_vulkan_render_pass_add_cairo_node (GskVulkanRenderPass *self,
GskVulkanRender *render,
const GskVulkanParseState *state,
GskRenderNode *node)
{
/* We're using recording surfaces, so drawing them to an image
* surface and uploading them is the right thing.
* But that's exactly what the fallback code does.
*/
if (gsk_cairo_node_get_surface (node) != NULL)
return gsk_vulkan_render_pass_add_fallback_node (self, render, state, node);
return TRUE;
}
static inline gboolean
gsk_vulkan_render_pass_add_color_node (GskVulkanRenderPass *self,
GskVulkanRender *render,
const GskVulkanParseState *state,
GskRenderNode *node)
{
cairo_rectangle_int_t int_clipped;
graphene_rect_t rect, clipped;
const GdkRGBA *color;
color = gsk_color_node_get_color (node);
graphene_rect_offset_r (&node->bounds,
state->offset.x, state->offset.y,
&rect);
graphene_rect_intersection (&state->clip.rect.bounds, &rect, &clipped);
if (gdk_rgba_is_opaque (color) &&
node->bounds.size.width * node->bounds.size.height > 100 * 100 && /* not worth the effort for small images */
gsk_vulkan_parse_rect_is_integer (state, &clipped, &int_clipped))
{
/* now handle all the clip */
if (!gdk_rectangle_intersect (&int_clipped, &state->scissor, &int_clipped))
return TRUE;
/* we have handled the bounds, now do the corners */
if (state->clip.type == GSK_VULKAN_CLIP_ROUNDED)
{
graphene_rect_t cover;
GskVulkanShaderClip shader_clip;
float scale_x = graphene_vec2_get_x (&state->scale);
float scale_y = graphene_vec2_get_y (&state->scale);
clipped = GRAPHENE_RECT_INIT (int_clipped.x / scale_x, int_clipped.y / scale_y,
int_clipped.width / scale_x, int_clipped.height / scale_y);
shader_clip = gsk_vulkan_clip_get_shader_clip (&state->clip, graphene_point_zero(), &clipped);
if (shader_clip != GSK_VULKAN_SHADER_CLIP_NONE)
{
gsk_rounded_rect_get_largest_cover (&state->clip.rect, &clipped, &cover);
int_clipped.x = ceil (cover.origin.x * scale_x);
int_clipped.y = ceil (cover.origin.y * scale_y);
int_clipped.width = floor ((cover.origin.x + cover.size.width) * scale_x) - int_clipped.x;
int_clipped.height = floor ((cover.origin.y + cover.size.height) * scale_y) - int_clipped.y;
if (int_clipped.width == 0 || int_clipped.height == 0)
{
gsk_vulkan_color_op (render,
shader_clip,
&clipped,
graphene_point_zero (),
color);
return TRUE;
}
cover = GRAPHENE_RECT_INIT (int_clipped.x / scale_x, int_clipped.y / scale_y,
int_clipped.width / scale_x, int_clipped.height / scale_y);
if (clipped.origin.x != cover.origin.x)
gsk_vulkan_color_op (render,
shader_clip,
&GRAPHENE_RECT_INIT (clipped.origin.x, clipped.origin.y, cover.origin.x - clipped.origin.x, clipped.size.height),
graphene_point_zero (),
color);
if (clipped.origin.y != cover.origin.y)
gsk_vulkan_color_op (render,
shader_clip,
&GRAPHENE_RECT_INIT (clipped.origin.x, clipped.origin.y, clipped.size.width, cover.origin.y - clipped.origin.y),
graphene_point_zero (),
color);
if (clipped.origin.x + clipped.size.width != cover.origin.x + cover.size.width)
gsk_vulkan_color_op (render,
shader_clip,
&GRAPHENE_RECT_INIT (cover.origin.x + cover.size.width,
clipped.origin.y,
clipped.origin.x + clipped.size.width - cover.origin.x - cover.size.width,
clipped.size.height),
graphene_point_zero (),
color);
if (clipped.origin.y + clipped.size.height != cover.origin.y + cover.size.height)
gsk_vulkan_color_op (render,
shader_clip,
&GRAPHENE_RECT_INIT (clipped.origin.x,
cover.origin.y + cover.size.height,
clipped.size.width,
clipped.origin.y + clipped.size.height - cover.origin.y - cover.size.height),
graphene_point_zero (),
color);
}
}
gsk_vulkan_clear_op (render,
&int_clipped,
color);
return TRUE;
}
gsk_vulkan_color_op (render,
gsk_vulkan_clip_get_shader_clip (&state->clip, &state->offset, &node->bounds),
&rect,
graphene_point_zero (),
color);
return TRUE;
}
static inline gboolean
gsk_vulkan_render_pass_add_linear_gradient_node (GskVulkanRenderPass *self,
GskVulkanRender *render,
const GskVulkanParseState *state,
GskRenderNode *node)
{
gsk_vulkan_linear_gradient_op (render,
gsk_vulkan_clip_get_shader_clip (&state->clip, &state->offset, &node->bounds),
&node->bounds,
&state->offset,
gsk_linear_gradient_node_get_start (node),
gsk_linear_gradient_node_get_end (node),
gsk_render_node_get_node_type (node) == GSK_REPEATING_LINEAR_GRADIENT_NODE,
gsk_linear_gradient_node_get_color_stops (node, NULL),
gsk_linear_gradient_node_get_n_color_stops (node));
return TRUE;
}
static inline gboolean
gsk_vulkan_render_pass_add_border_node (GskVulkanRenderPass *self,
GskVulkanRender *render,
const GskVulkanParseState *state,
GskRenderNode *node)
{
gsk_vulkan_border_op (render,
gsk_vulkan_clip_get_shader_clip (&state->clip, &state->offset, &node->bounds),
gsk_border_node_get_outline (node),
&state->offset,
gsk_border_node_get_widths (node),
gsk_border_node_get_colors (node));
return TRUE;
}
static inline gboolean
gsk_vulkan_render_pass_add_texture_node (GskVulkanRenderPass *self,
GskVulkanRender *render,
const GskVulkanParseState *state,
GskRenderNode *node)
{
GskVulkanImage *image;
GskVulkanRenderer *renderer;
GdkTexture *texture;
renderer = GSK_VULKAN_RENDERER (gsk_vulkan_render_get_renderer (render));
texture = gsk_texture_node_get_texture (node);
image = gsk_vulkan_renderer_get_texture_image (renderer, texture);
if (image == NULL)
{
image = gsk_vulkan_render_pass_upload_texture (render, texture);
gsk_vulkan_renderer_add_texture_image (renderer, texture, image);
}
gsk_vulkan_texture_op (render,
gsk_vulkan_clip_get_shader_clip (&state->clip, &state->offset, &node->bounds),
image,
GSK_VULKAN_SAMPLER_DEFAULT,
&node->bounds,
&state->offset,
&node->bounds);
return TRUE;
}
static inline gboolean
gsk_vulkan_render_pass_add_texture_scale_node (GskVulkanRenderPass *self,
GskVulkanRender *render,
const GskVulkanParseState *state,
GskRenderNode *node)
{
GskVulkanImage *image;
GskVulkanRenderer *renderer;
GskVulkanRenderSampler sampler;
GdkTexture *texture;
renderer = GSK_VULKAN_RENDERER (gsk_vulkan_render_get_renderer (render));
texture = gsk_texture_scale_node_get_texture (node);
switch (gsk_texture_scale_node_get_filter (node))
{
default:
g_assert_not_reached ();
case GSK_SCALING_FILTER_LINEAR:
case GSK_SCALING_FILTER_TRILINEAR:
sampler = GSK_VULKAN_SAMPLER_DEFAULT;
break;
case GSK_SCALING_FILTER_NEAREST:
sampler = GSK_VULKAN_SAMPLER_NEAREST;
break;
}
image = gsk_vulkan_renderer_get_texture_image (renderer, texture);
if (image == NULL)
{
image = gsk_vulkan_render_pass_upload_texture (render, texture);
gsk_vulkan_renderer_add_texture_image (renderer, texture, image);
}
gsk_vulkan_texture_op (render,
gsk_vulkan_clip_get_shader_clip (&state->clip, &state->offset, &node->bounds),
image,
sampler,
&node->bounds,
&state->offset,
&node->bounds);
return TRUE;
}
static inline gboolean
gsk_vulkan_render_pass_add_inset_shadow_node (GskVulkanRenderPass *self,
GskVulkanRender *render,
const GskVulkanParseState *state,
GskRenderNode *node)
{
if (gsk_inset_shadow_node_get_blur_radius (node) > 0)
FALLBACK ("Blur support not implemented for inset shadows");
gsk_vulkan_inset_shadow_op (render,
gsk_vulkan_clip_get_shader_clip (&state->clip, &state->offset, &node->bounds),
gsk_inset_shadow_node_get_outline (node),
&state->offset,
gsk_inset_shadow_node_get_color (node),
&GRAPHENE_POINT_INIT (gsk_inset_shadow_node_get_dx (node),
gsk_inset_shadow_node_get_dy (node)),
gsk_inset_shadow_node_get_spread (node),
gsk_inset_shadow_node_get_blur_radius (node));
return TRUE;
}
static inline gboolean
gsk_vulkan_render_pass_add_outset_shadow_node (GskVulkanRenderPass *self,
GskVulkanRender *render,
const GskVulkanParseState *state,
GskRenderNode *node)
{
if (gsk_outset_shadow_node_get_blur_radius (node) > 0)
FALLBACK ("Blur support not implemented for outset shadows");
gsk_vulkan_outset_shadow_op (render,
gsk_vulkan_clip_get_shader_clip (&state->clip, &state->offset, &node->bounds),
gsk_outset_shadow_node_get_outline (node),
&state->offset,
gsk_outset_shadow_node_get_color (node),
&GRAPHENE_POINT_INIT (gsk_outset_shadow_node_get_dx (node),
gsk_outset_shadow_node_get_dy (node)),
gsk_outset_shadow_node_get_spread (node),
gsk_outset_shadow_node_get_blur_radius (node));
return TRUE;
}
static inline gboolean
gsk_vulkan_render_pass_add_transform_node (GskVulkanRenderPass *self,
GskVulkanRender *render,
const GskVulkanParseState *state,
GskRenderNode *node)
{
GskRenderNode *child;
GskTransform *transform;
GskVulkanParseState new_state;
child = gsk_transform_node_get_child (node);
transform = gsk_transform_node_get_transform (node);
switch (gsk_transform_get_category (transform))
{
case GSK_TRANSFORM_CATEGORY_IDENTITY:
case GSK_TRANSFORM_CATEGORY_2D_TRANSLATE:
{
float dx, dy;
gsk_transform_to_translate (transform, &dx, &dy);
new_state = *state;
new_state.offset.x += dx;
new_state.offset.y += dy;
gsk_vulkan_render_pass_add_node (self, render, &new_state, child);
}
return TRUE;
case GSK_TRANSFORM_CATEGORY_2D_AFFINE:
{
float dx, dy, scale_x, scale_y;
gsk_transform_to_affine (transform, &scale_x, &scale_y, &dx, &dy);
gsk_vulkan_clip_scale (&new_state.clip, &state->clip, scale_x, scale_y);
new_state.offset.x = (state->offset.x + dx) / scale_x;
new_state.offset.y = (state->offset.y + dy) / scale_y;
graphene_vec2_init (&new_state.scale, fabs (scale_x), fabs (scale_y));
graphene_vec2_multiply (&new_state.scale, &state->scale, &new_state.scale);
new_state.modelview = gsk_transform_scale (gsk_transform_ref (state->modelview),
scale_x / fabs (scale_x),
scale_y / fabs (scale_y));
}
break;
case GSK_TRANSFORM_CATEGORY_2D:
{
float skew_x, skew_y, scale_x, scale_y, angle, dx, dy;
GskTransform *clip_transform;
clip_transform = gsk_transform_transform (gsk_transform_translate (NULL, &state->offset), transform);
if (gsk_vulkan_clip_contains_rect (&state->clip, &state->offset, &node->bounds))
{
gsk_vulkan_clip_init_empty (&new_state.clip, &child->bounds);
}
else if (!gsk_vulkan_clip_transform (&new_state.clip, &state->clip, clip_transform, &child->bounds))
{
gsk_transform_unref (clip_transform);
FALLBACK ("Transform nodes can't deal with clip type %u", state->clip.type);
}
new_state.modelview = gsk_transform_ref (state->modelview);
new_state.modelview = gsk_transform_scale (state->modelview,
graphene_vec2_get_x (&state->scale),
graphene_vec2_get_y (&state->scale));
new_state.modelview = gsk_transform_transform (new_state.modelview, clip_transform);
gsk_transform_unref (clip_transform);
gsk_transform_to_2d_components (new_state.modelview,
&skew_x, &skew_y,
&scale_x, &scale_y,
&angle,
&dx, &dy);
scale_x = fabs (scale_x);
scale_y = fabs (scale_y);
new_state.modelview = gsk_transform_scale (new_state.modelview, 1 / scale_x, 1 / scale_y);
graphene_vec2_init (&new_state.scale, scale_x, scale_y);
new_state.offset = *graphene_point_zero ();
}
break;
case GSK_TRANSFORM_CATEGORY_UNKNOWN:
case GSK_TRANSFORM_CATEGORY_ANY:
case GSK_TRANSFORM_CATEGORY_3D:
{
graphene_quaternion_t rotation;
graphene_matrix_t matrix;
graphene_vec4_t perspective;
graphene_vec3_t translation;
graphene_vec3_t matrix_scale;
graphene_vec3_t shear;
GskTransform *clip_transform;
float scale_x, scale_y, old_pixels, new_pixels;
clip_transform = gsk_transform_transform (gsk_transform_translate (NULL, &state->offset), transform);
if (gsk_vulkan_clip_contains_rect (&state->clip, &state->offset, &node->bounds))
{
gsk_vulkan_clip_init_empty (&new_state.clip, &child->bounds);
}
else if (!gsk_vulkan_clip_transform (&new_state.clip, &state->clip, clip_transform, &child->bounds))
{
gsk_transform_unref (clip_transform);
FALLBACK ("Transform nodes can't deal with clip type %u", state->clip.type);
}
new_state.modelview = gsk_transform_ref (state->modelview);
new_state.modelview = gsk_transform_scale (state->modelview,
graphene_vec2_get_x (&state->scale),
graphene_vec2_get_y (&state->scale));
new_state.modelview = gsk_transform_transform (new_state.modelview, clip_transform);
gsk_transform_unref (clip_transform);
gsk_transform_to_matrix (new_state.modelview, &matrix);
graphene_matrix_decompose (&matrix,
&translation,
&matrix_scale,
&rotation,
&shear,
&perspective);
scale_x = fabs (graphene_vec3_get_x (&matrix_scale));
scale_y = fabs (graphene_vec3_get_y (&matrix_scale));
old_pixels = graphene_vec2_get_x (&state->scale) * graphene_vec2_get_y (&state->scale) *
state->clip.rect.bounds.size.width * state->clip.rect.bounds.size.height;
new_pixels = scale_x * scale_y * new_state.clip.rect.bounds.size.width * new_state.clip.rect.bounds.size.height;
if (new_pixels > 2 * old_pixels)
{
float forced_downscale = 2 * old_pixels / new_pixels;
scale_x *= forced_downscale;
scale_y *= forced_downscale;
}
new_state.modelview = gsk_transform_scale (new_state.modelview, 1 / scale_x, 1 / scale_y);
graphene_vec2_init (&new_state.scale, scale_x, scale_y);
new_state.offset = *graphene_point_zero ();
}
break;
default:
break;
}
new_state.scissor = state->scissor;
graphene_matrix_init_from_matrix (&new_state.projection, &state->projection);
gsk_vulkan_render_pass_append_push_constants (render, node, &new_state);
gsk_vulkan_render_pass_add_node (self, render, &new_state, child);
gsk_vulkan_render_pass_append_push_constants (render, node, state);
gsk_transform_unref (new_state.modelview);
return TRUE;
}
static gboolean
gsk_vulkan_render_pass_add_opacity_node (GskVulkanRenderPass *self,
GskVulkanRender *render,
const GskVulkanParseState *state,
GskRenderNode *node)
{
GskVulkanImage *image;
graphene_rect_t tex_rect;
image = gsk_vulkan_render_pass_get_node_as_image (self,
render,
state,
gsk_opacity_node_get_child (node),
&tex_rect);
if (image == NULL)
return TRUE;
gsk_vulkan_color_matrix_op_opacity (render,
gsk_vulkan_clip_get_shader_clip (&state->clip, &state->offset, &node->bounds),
image,
&node->bounds,
&state->offset,
&tex_rect,
gsk_opacity_node_get_opacity (node));
return TRUE;
}
static inline gboolean
gsk_vulkan_render_pass_add_color_matrix_node (GskVulkanRenderPass *self,
GskVulkanRender *render,
const GskVulkanParseState *state,
GskRenderNode *node)
{
GskVulkanImage *image;
graphene_rect_t tex_rect;
image = gsk_vulkan_render_pass_get_node_as_image (self,
render,
state,
gsk_color_matrix_node_get_child (node),
&tex_rect);
if (image == NULL)
return TRUE;
gsk_vulkan_color_matrix_op (render,
gsk_vulkan_clip_get_shader_clip (&state->clip, &state->offset, &node->bounds),
image,
&node->bounds,
&state->offset,
&tex_rect,
gsk_color_matrix_node_get_color_matrix (node),
gsk_color_matrix_node_get_color_offset (node));
return TRUE;
}
static inline gboolean
gsk_vulkan_render_pass_add_clip_node (GskVulkanRenderPass *self,
GskVulkanRender *render,
const GskVulkanParseState *state,
GskRenderNode *node)
{
GskVulkanParseState new_state;
graphene_rect_t clip;
gboolean do_push_constants, do_scissor;
graphene_rect_offset_r (gsk_clip_node_get_clip (node),
state->offset.x, state->offset.y,
&clip);
/* Check if we can use scissoring for the clip */
if (gsk_vulkan_parse_rect_is_integer (state, &clip, &new_state.scissor))
{
if (!gdk_rectangle_intersect (&new_state.scissor, &state->scissor, &new_state.scissor))
return TRUE;
if (gsk_vulkan_clip_intersect_rect (&new_state.clip, &state->clip, &clip))
{
if (new_state.clip.type == GSK_VULKAN_CLIP_RECT)
new_state.clip.type = GSK_VULKAN_CLIP_NONE;
do_push_constants = TRUE;
}
else
{
gsk_vulkan_clip_init_copy (&new_state.clip, &state->clip);
do_push_constants = FALSE;
}
do_scissor = TRUE;
}
else
{
if (!gsk_vulkan_clip_intersect_rect (&new_state.clip, &state->clip, &clip))
FALLBACK ("Failed to find intersection between clip of type %u and rectangle", state->clip.type);
new_state.scissor = state->scissor;
do_push_constants = TRUE;
do_scissor = FALSE;
}
if (new_state.clip.type == GSK_VULKAN_CLIP_ALL_CLIPPED)
return TRUE;
new_state.offset = state->offset;
graphene_vec2_init_from_vec2 (&new_state.scale, &state->scale);
new_state.modelview = state->modelview;
graphene_matrix_init_from_matrix (&new_state.projection, &state->projection);
if (do_scissor)
gsk_vulkan_render_pass_append_scissor (render, node, &new_state);
if (do_push_constants)
gsk_vulkan_render_pass_append_push_constants (render, node, &new_state);
gsk_vulkan_render_pass_add_node (self, render, &new_state, gsk_clip_node_get_child (node));
if (do_push_constants)
gsk_vulkan_render_pass_append_push_constants (render, node, state);
if (do_scissor)
gsk_vulkan_render_pass_append_scissor (render, node, state);
return TRUE;
}
static inline gboolean
gsk_vulkan_render_pass_add_rounded_clip_node (GskVulkanRenderPass *self,
GskVulkanRender *render,
const GskVulkanParseState *state,
GskRenderNode *node)
{
GskVulkanParseState new_state;
GskRoundedRect clip;
clip = *gsk_rounded_clip_node_get_clip (node);
gsk_rounded_rect_offset (&clip, state->offset.x, state->offset.y);
if (!gsk_vulkan_clip_intersect_rounded_rect (&new_state.clip, &state->clip, &clip))
FALLBACK ("Failed to find intersection between clip of type %u and rounded rectangle", state->clip.type);
if (new_state.clip.type == GSK_VULKAN_CLIP_ALL_CLIPPED)
return TRUE;
new_state.scissor = state->scissor;
new_state.offset = state->offset;
graphene_vec2_init_from_vec2 (&new_state.scale, &state->scale);
new_state.modelview = state->modelview;
graphene_matrix_init_from_matrix (&new_state.projection, &state->projection);
gsk_vulkan_render_pass_append_push_constants (render, node, &new_state);
gsk_vulkan_render_pass_add_node (self, render, &new_state, gsk_rounded_clip_node_get_child (node));
gsk_vulkan_render_pass_append_push_constants (render, node, state);
return TRUE;
}
static inline gboolean
gsk_vulkan_render_pass_add_repeat_node (GskVulkanRenderPass *self,
GskVulkanRender *render,
const GskVulkanParseState *state,
GskRenderNode *node)
{
const graphene_rect_t *child_bounds;
GskVulkanImage *image;
child_bounds = gsk_repeat_node_get_child_bounds (node);
if (graphene_rect_get_area (child_bounds) == 0)
return TRUE;
image = gsk_vulkan_render_pass_op_offscreen (render,
&state->scale,
child_bounds,
gsk_repeat_node_get_child (node));
gsk_vulkan_texture_op (render,
gsk_vulkan_clip_get_shader_clip (&state->clip, &state->offset, &node->bounds),
image,
GSK_VULKAN_SAMPLER_REPEAT,
&node->bounds,
&state->offset,
child_bounds);
return TRUE;
}
static inline gboolean
gsk_vulkan_render_pass_add_blend_node (GskVulkanRenderPass *self,
GskVulkanRender *render,
const GskVulkanParseState *state,
GskRenderNode *node)
{
GskRenderNode *top_child, *bottom_child;
GskVulkanImage *top_image, *bottom_image;
graphene_rect_t top_tex_rect, bottom_tex_rect;
top_child = gsk_blend_node_get_top_child (node);
top_image = gsk_vulkan_render_pass_get_node_as_image (self,
render,
state,
top_child,
&top_tex_rect);
bottom_child = gsk_blend_node_get_bottom_child (node);
bottom_image = gsk_vulkan_render_pass_get_node_as_image (self,
render,
state,
bottom_child,
&bottom_tex_rect);
if (top_image == NULL)
{
if (bottom_image == NULL)
return TRUE;
top_image = bottom_image;
top_tex_rect = *graphene_rect_zero ();
}
else if (bottom_image == NULL)
{
bottom_image = top_image;
bottom_tex_rect = *graphene_rect_zero ();
}
gsk_vulkan_blend_mode_op (render,
gsk_vulkan_clip_get_shader_clip (&state->clip, &state->offset, &node->bounds),
&node->bounds,
&state->offset,
gsk_blend_node_get_blend_mode (node),
top_image,
&top_child->bounds,
&top_tex_rect,
bottom_image,
&bottom_child->bounds,
&bottom_tex_rect);
return TRUE;
}
static inline gboolean
gsk_vulkan_render_pass_add_cross_fade_node (GskVulkanRenderPass *self,
GskVulkanRender *render,
const GskVulkanParseState *state,
GskRenderNode *node)
{
GskRenderNode *start_child, *end_child;
GskVulkanImage *start_image, *end_image;
graphene_rect_t start_tex_rect, end_tex_rect;
float progress;
progress = gsk_cross_fade_node_get_progress (node);
start_child = gsk_cross_fade_node_get_start_child (node);
start_image = gsk_vulkan_render_pass_get_node_as_image (self,
render,
state,
start_child,
&start_tex_rect);
end_child = gsk_cross_fade_node_get_end_child (node);
end_image = gsk_vulkan_render_pass_get_node_as_image (self,
render,
state,
end_child,
&end_tex_rect);
if (start_image == NULL)
{
if (end_image == NULL)
return TRUE;
gsk_vulkan_color_matrix_op_opacity (render,
gsk_vulkan_clip_get_shader_clip (&state->clip, &state->offset, &end_child->bounds),
end_image,
&node->bounds,
&state->offset,
&end_tex_rect,
progress);
return TRUE;
}
else if (end_image == NULL)
{
gsk_vulkan_color_matrix_op_opacity (render,
gsk_vulkan_clip_get_shader_clip (&state->clip, &state->offset, &start_child->bounds),
start_image,
&node->bounds,
&state->offset,
&start_tex_rect,
1.0f - progress);
return TRUE;
}
gsk_vulkan_cross_fade_op (render,
gsk_vulkan_clip_get_shader_clip (&state->clip, &state->offset, &node->bounds),
&node->bounds,
&state->offset,
progress,
start_image,
&start_child->bounds,
&start_tex_rect,
end_image,
&end_child->bounds,
&end_tex_rect);
return TRUE;
}
static inline gboolean
gsk_vulkan_render_pass_add_text_node (GskVulkanRenderPass *self,
GskVulkanRender *render,
const GskVulkanParseState *state,
GskRenderNode *node)
{
const PangoGlyphInfo *glyphs;
GskVulkanGlyphCache *cache;
const graphene_point_t *node_offset;
const PangoFont *font;
guint num_glyphs;
int x_position;
int i;
float scale;
cache = gsk_vulkan_renderer_get_glyph_cache (GSK_VULKAN_RENDERER (gsk_vulkan_render_get_renderer (render)));
num_glyphs = gsk_text_node_get_num_glyphs (node);
glyphs = gsk_text_node_get_glyphs (node, NULL);
font = gsk_text_node_get_font (node);
scale = MAX (graphene_vec2_get_x (&state->scale), graphene_vec2_get_y (&state->scale));
node_offset = gsk_text_node_get_offset (node);
x_position = 0;
for (i = 0; i < num_glyphs; i++)
{
GskVulkanCachedGlyph *glyph;
const PangoGlyphInfo *gi = &glyphs[i];
graphene_rect_t glyph_bounds, glyph_tex_rect;
glyph = gsk_vulkan_glyph_cache_lookup (cache,
render,
(PangoFont *)font,
gi->glyph,
x_position + gi->geometry.x_offset,
gi->geometry.y_offset,
scale);
glyph_bounds = GRAPHENE_RECT_INIT (glyph->draw_x + node_offset->x + (float) (x_position + gi->geometry.x_offset) / PANGO_SCALE,
glyph->draw_y + node_offset->y + (float) (gi->geometry.y_offset) / PANGO_SCALE,
glyph->draw_width,
glyph->draw_height);
graphene_rect_init (&glyph_tex_rect,
glyph_bounds.origin.x - glyph->draw_width * glyph->tx / glyph->tw,
glyph_bounds.origin.y - glyph->draw_height * glyph->ty / glyph->th,
glyph->draw_width / glyph->tw,
glyph->draw_height / glyph->th);
if (gsk_text_node_has_color_glyphs (node))
gsk_vulkan_texture_op (render,
gsk_vulkan_clip_get_shader_clip (&state->clip, &state->offset, &glyph_bounds),
glyph->atlas_image,
GSK_VULKAN_SAMPLER_DEFAULT,
&glyph_bounds,
&state->offset,
&glyph_tex_rect);
else
gsk_vulkan_glyph_op (render,
gsk_vulkan_clip_get_shader_clip (&state->clip, &state->offset, &glyph_bounds),
glyph->atlas_image,
&glyph_bounds,
&state->offset,
&glyph_tex_rect,
gsk_text_node_get_color (node));
x_position += gi->geometry.width;
}
return TRUE;
}
static inline gboolean
gsk_vulkan_render_pass_add_blur_node (GskVulkanRenderPass *self,
GskVulkanRender *render,
const GskVulkanParseState *state,
GskRenderNode *node)
{
GskVulkanImage *image;
graphene_rect_t tex_rect;
float radius;
radius = gsk_blur_node_get_radius (node);
if (radius == 0)
{
gsk_vulkan_render_pass_add_node (self, render, state, gsk_blur_node_get_child (node));
return TRUE;
}
image = gsk_vulkan_render_pass_get_node_as_image (self,
render,
state,
gsk_blur_node_get_child (node),
&tex_rect);
if (image == NULL)
return TRUE;
gsk_vulkan_blur_op (render,
gsk_vulkan_clip_get_shader_clip (&state->clip, &state->offset, &node->bounds),
image,
&node->bounds,
&state->offset,
&tex_rect,
radius);
return TRUE;
}
static inline gboolean
gsk_vulkan_render_pass_add_mask_node (GskVulkanRenderPass *self,
GskVulkanRender *render,
const GskVulkanParseState *state,
GskRenderNode *node)
{
GskVulkanImage *source_image, *mask_image;
graphene_rect_t source_tex_rect, mask_tex_rect;
GskRenderNode *source, *mask;
GskMaskMode mode;
mode = gsk_mask_node_get_mask_mode (node);
source = gsk_mask_node_get_source (node);
mask = gsk_mask_node_get_mask (node);
mask_image = gsk_vulkan_render_pass_get_node_as_image (self,
render,
state,
mask,
&mask_tex_rect);
if (mask_image == NULL)
{
if (mode == GSK_MASK_MODE_INVERTED_ALPHA)
gsk_vulkan_render_pass_add_node (self, render, state, source);
return TRUE;
}
/* Use the glyph shader as an optimization */
if (mode == GSK_MASK_MODE_ALPHA &&
gsk_render_node_get_node_type (source) == GSK_COLOR_NODE)
{
graphene_rect_t bounds;
if (graphene_rect_intersection (&source->bounds, &mask->bounds, &bounds))
gsk_vulkan_glyph_op (render,
gsk_vulkan_clip_get_shader_clip (&state->clip, &state->offset, &bounds),
mask_image,
&bounds,
&state->offset,
&mask_tex_rect,
gsk_color_node_get_color (source));
return TRUE;
}
source_image = gsk_vulkan_render_pass_get_node_as_image (self,
render,
state,
source,
&source_tex_rect);
if (source_image == NULL)
return TRUE;
gsk_vulkan_mask_op (render,
gsk_vulkan_clip_get_shader_clip (&state->clip, &state->offset, &node->bounds),
&state->offset,
source_image,
&source->bounds,
&source_tex_rect,
mask_image,
&mask->bounds,
&mask_tex_rect,
mode);
return TRUE;
}
static inline gboolean
gsk_vulkan_render_pass_add_debug_node (GskVulkanRenderPass *self,
GskVulkanRender *render,
const GskVulkanParseState *state,
GskRenderNode *node)
{
gsk_vulkan_render_pass_add_node (self, render, state, gsk_debug_node_get_child (node));
return TRUE;
}
#undef FALLBACK
typedef gboolean (*GskVulkanRenderPassNodeFunc) (GskVulkanRenderPass *self,
GskVulkanRender *render,
const GskVulkanParseState *state,
GskRenderNode *node);
/* TODO: implement remaining nodes */
static const GskVulkanRenderPassNodeFunc nodes_vtable[] = {
[GSK_NOT_A_RENDER_NODE] = gsk_vulkan_render_pass_implode,
[GSK_CONTAINER_NODE] = gsk_vulkan_render_pass_add_container_node,
[GSK_CAIRO_NODE] = gsk_vulkan_render_pass_add_cairo_node,
[GSK_COLOR_NODE] = gsk_vulkan_render_pass_add_color_node,
[GSK_LINEAR_GRADIENT_NODE] = gsk_vulkan_render_pass_add_linear_gradient_node,
[GSK_REPEATING_LINEAR_GRADIENT_NODE] = gsk_vulkan_render_pass_add_linear_gradient_node,
[GSK_RADIAL_GRADIENT_NODE] = NULL,
[GSK_REPEATING_RADIAL_GRADIENT_NODE] = NULL,
[GSK_CONIC_GRADIENT_NODE] = NULL,
[GSK_BORDER_NODE] = gsk_vulkan_render_pass_add_border_node,
[GSK_TEXTURE_NODE] = gsk_vulkan_render_pass_add_texture_node,
[GSK_INSET_SHADOW_NODE] = gsk_vulkan_render_pass_add_inset_shadow_node,
[GSK_OUTSET_SHADOW_NODE] = gsk_vulkan_render_pass_add_outset_shadow_node,
[GSK_TRANSFORM_NODE] = gsk_vulkan_render_pass_add_transform_node,
[GSK_OPACITY_NODE] = gsk_vulkan_render_pass_add_opacity_node,
[GSK_COLOR_MATRIX_NODE] = gsk_vulkan_render_pass_add_color_matrix_node,
[GSK_REPEAT_NODE] = gsk_vulkan_render_pass_add_repeat_node,
[GSK_CLIP_NODE] = gsk_vulkan_render_pass_add_clip_node,
[GSK_ROUNDED_CLIP_NODE] = gsk_vulkan_render_pass_add_rounded_clip_node,
[GSK_SHADOW_NODE] = NULL,
[GSK_BLEND_NODE] = gsk_vulkan_render_pass_add_blend_node,
[GSK_CROSS_FADE_NODE] = gsk_vulkan_render_pass_add_cross_fade_node,
[GSK_TEXT_NODE] = gsk_vulkan_render_pass_add_text_node,
[GSK_BLUR_NODE] = gsk_vulkan_render_pass_add_blur_node,
[GSK_DEBUG_NODE] = gsk_vulkan_render_pass_add_debug_node,
[GSK_GL_SHADER_NODE] = NULL,
[GSK_TEXTURE_SCALE_NODE] = gsk_vulkan_render_pass_add_texture_scale_node,
[GSK_MASK_NODE] = gsk_vulkan_render_pass_add_mask_node,
};
static void
gsk_vulkan_render_pass_add_node (GskVulkanRenderPass *self,
GskVulkanRender *render,
const GskVulkanParseState *state,
GskRenderNode *node)
{
GskVulkanRenderPassNodeFunc node_func;
GskRenderNodeType node_type;
gboolean fallback = FALSE;
/* This catches the corner cases of empty nodes, so after this check
* there's quaranteed to be at least 1 pixel that needs to be drawn */
if (!gsk_vulkan_clip_may_intersect_rect (&state->clip, &state->offset, &node->bounds))
return;
node_type = gsk_render_node_get_node_type (node);
if (node_type < G_N_ELEMENTS (nodes_vtable))
node_func = nodes_vtable[node_type];
else
node_func = NULL;
if (node_func)
{
if (!node_func (self, render, state, node))
fallback = TRUE;
}
else
{
GSK_RENDERER_DEBUG (gsk_vulkan_render_get_renderer (render),
FALLBACK, "Unsupported node '%s'",
g_type_name_from_instance ((GTypeInstance *) node));
fallback = TRUE;
}
if (fallback)
gsk_vulkan_render_pass_add_fallback_node (self, render, state, node);
}
void
gsk_vulkan_render_pass_add (GskVulkanRenderPass *self,
GskVulkanRender *render,
int width,
int height,
cairo_rectangle_int_t *clip,
GskRenderNode *node,
const graphene_rect_t *viewport)
{
GskVulkanParseState state;
state.scissor = *clip;
gsk_vulkan_clip_init_empty (&state.clip, &GRAPHENE_RECT_INIT (0, 0, viewport->size.width, viewport->size.height));
state.modelview = NULL;
graphene_matrix_init_ortho (&state.projection,
0, width,
0, height,
2 * ORTHO_NEAR_PLANE - ORTHO_FAR_PLANE,
ORTHO_FAR_PLANE);
graphene_vec2_init (&state.scale, width / viewport->size.width,
height / viewport->size.height);
state.offset = GRAPHENE_POINT_INIT (-viewport->origin.x,
-viewport->origin.y);
gsk_vulkan_render_pass_append_scissor (render, node, &state);
gsk_vulkan_render_pass_append_push_constants (render, node, &state);
gsk_vulkan_render_pass_add_node (self, render, &state, node);
}
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