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gl renderer: Add a helper to setup projection matrix

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Timm Bäder 2020-10-01 08:39:19 +02:00 committed by Matthias Clasen
parent bc034d1190
commit 7bf858b9d0
1 changed files with 28 additions and 29 deletions
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57
gsk/gl/gskglrenderer.c
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@ -274,6 +274,20 @@ sort_border_sides (const GdkRGBA *colors,
}
}
static inline void
init_projection_matrix (graphene_matrix_t *out_proj,
const graphene_rect_t *viewport)
{
graphene_matrix_init_ortho (out_proj,
viewport->origin.x,
viewport->origin.x + viewport->size.width,
viewport->origin.y,
viewport->origin.y + viewport->size.height,
ORTHO_NEAR_PLANE,
ORTHO_FAR_PLANE);
graphene_matrix_scale (out_proj, 1, -1, 1);
}
static inline gboolean G_GNUC_PURE
color_matrix_modifies_alpha (GskRenderNode *node)
{
@ -1781,10 +1795,8 @@ blur_texture (GskGLRenderer *self,
GL_NEAREST, GL_NEAREST,
&pass2_texture_id, &pass2_render_target);
graphene_matrix_init_ortho (&item_proj,
0, texture_to_blur_width, 0, texture_to_blur_height,
ORTHO_NEAR_PLANE, ORTHO_FAR_PLANE);
graphene_matrix_scale (&item_proj, 1, -1, 1);
init_projection_matrix (&item_proj,
&GRAPHENE_RECT_INIT (0, 0, texture_to_blur_width, texture_to_blur_height));
prev_projection = ops_set_projection (builder, &item_proj);
ops_set_modelview (builder, NULL);
@ -2033,10 +2045,8 @@ render_inset_shadow_node (GskGLRenderer *self,
GL_NEAREST, GL_NEAREST,
&texture_id, &render_target);
graphene_matrix_init_ortho (&item_proj,
0, texture_width, 0, texture_height,
ORTHO_NEAR_PLANE, ORTHO_FAR_PLANE);
graphene_matrix_scale (&item_proj, 1, -1, 1);
init_projection_matrix (&item_proj,
&GRAPHENE_RECT_INIT (0, 0, texture_width, texture_height));
prev_projection = ops_set_projection (builder, &item_proj);
ops_set_modelview (builder, NULL);
@ -2217,10 +2227,8 @@ render_outset_shadow_node (GskGLRenderer *self,
}
ops_set_program (builder, &self->programs->color_program);
graphene_matrix_init_ortho (&item_proj,
0, texture_width, 0, texture_height,
ORTHO_NEAR_PLANE, ORTHO_FAR_PLANE);
graphene_matrix_scale (&item_proj, 1, -1, 1);
init_projection_matrix (&item_proj,
&GRAPHENE_RECT_INIT (0, 0, texture_width, texture_height));
prev_render_target = ops_set_render_target (builder, render_target);
ops_begin (builder, OP_CLEAR);
@ -3879,13 +3887,12 @@ add_offscreen_ops (GskGLRenderer *self,
render_target);
}
graphene_matrix_init_ortho (&item_proj,
bounds->origin.x * scale,
(bounds->origin.x + bounds->size.width) * scale,
bounds->origin.y * scale,
(bounds->origin.y + bounds->size.height) * scale,
ORTHO_NEAR_PLANE, ORTHO_FAR_PLANE);
graphene_matrix_scale (&item_proj, 1, -1, 1);
init_projection_matrix (&item_proj,
&GRAPHENE_RECT_INIT (
bounds->origin.x * scale,
bounds->origin.y * scale,
width, height
));
prev_render_target = ops_set_render_target (builder, render_target);
/* Clear since we use this rendertarget for the first time */
@ -4179,16 +4186,6 @@ gsk_gl_renderer_do_render (GskRenderer *renderer,
g_assert (gsk_gl_driver_in_frame (self->gl_driver));
/* Set up the modelview and projection matrices to fit our viewport */
graphene_matrix_init_ortho (&projection,
viewport->origin.x,
viewport->origin.x + viewport->size.width,
viewport->origin.y,
viewport->origin.y + viewport->size.height,
ORTHO_NEAR_PLANE,
ORTHO_FAR_PLANE);
graphene_matrix_scale (&projection, 1, -1, 1);
removed = g_ptr_array_new ();
gsk_gl_texture_atlases_begin_frame (self->atlases, removed);
gsk_gl_glyph_cache_begin_frame (self->glyph_cache, self->gl_driver, removed);
@ -4196,6 +4193,8 @@ gsk_gl_renderer_do_render (GskRenderer *renderer,
gsk_gl_shadow_cache_begin_frame (&self->shadow_cache, self->gl_driver);
g_ptr_array_unref (removed);
/* Set up the modelview and projection matrices to fit our viewport */
init_projection_matrix (&projection, viewport);
ops_set_projection (&self->op_builder, &projection);
ops_set_viewport (&self->op_builder, viewport);
ops_set_modelview (&self->op_builder, gsk_transform_scale (NULL, scale_factor, scale_factor));