forked from AuroraMiddleware/gtk
365 lines
10 KiB
C
365 lines
10 KiB
C
#ifndef __GSK_GL_RENDER_OPS_H__
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#define __GSK_GL_RENDER_OPS_H__
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#include <glib.h>
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#include <graphene.h>
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#include <gdk/gdk.h>
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#include "gskgldriverprivate.h"
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#include "gskroundedrectprivate.h"
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#include "gskglrenderer.h"
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#include "gskrendernodeprivate.h"
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#define GL_N_VERTICES 6
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#define GL_N_PROGRAMS 13
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typedef struct
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{
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float translate_x;
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float translate_y;
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float scale_x;
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float scale_y;
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float dx_before;
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float dy_before;
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} OpsMatrixMetadata;
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typedef struct
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{
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GskTransform *transform;
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OpsMatrixMetadata metadata;
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} MatrixStackEntry;
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enum {
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OP_NONE,
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OP_CHANGE_OPACITY = 1,
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OP_CHANGE_COLOR = 2,
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OP_CHANGE_PROJECTION = 3,
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OP_CHANGE_MODELVIEW = 4,
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OP_CHANGE_PROGRAM = 5,
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OP_CHANGE_RENDER_TARGET = 6,
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OP_CHANGE_CLIP = 7,
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OP_CHANGE_VIEWPORT = 8,
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OP_CHANGE_SOURCE_TEXTURE = 9,
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OP_CHANGE_VAO = 10,
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OP_CHANGE_LINEAR_GRADIENT = 11,
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OP_CHANGE_COLOR_MATRIX = 12,
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OP_CHANGE_BLUR = 13,
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OP_CHANGE_INSET_SHADOW = 14,
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OP_CHANGE_OUTSET_SHADOW = 15,
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OP_CHANGE_BORDER = 16,
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OP_CHANGE_BORDER_COLOR = 17,
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OP_CHANGE_BORDER_WIDTH = 18,
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OP_CHANGE_CROSS_FADE = 19,
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OP_CHANGE_UNBLURRED_OUTSET_SHADOW = 20,
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OP_CLEAR = 21,
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OP_DRAW = 22,
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OP_DUMP_FRAMEBUFFER = 23,
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OP_PUSH_DEBUG_GROUP = 24,
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OP_POP_DEBUG_GROUP = 25,
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OP_CHANGE_BLEND = 26,
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OP_CHANGE_REPEAT = 27,
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};
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typedef struct
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{
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int index; /* Into the renderer's program array */
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int id;
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/* Common locations (gl_common)*/
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int source_location;
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int position_location;
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int uv_location;
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int alpha_location;
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int blend_mode_location;
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int viewport_location;
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int projection_location;
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int modelview_location;
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int clip_location;
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int clip_corner_widths_location;
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int clip_corner_heights_location;
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union {
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struct {
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int color_location;
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} color;
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struct {
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int color_location;
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} coloring;
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struct {
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int color_matrix_location;
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int color_offset_location;
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} color_matrix;
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struct {
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int num_color_stops_location;
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int color_stops_location;
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int color_offsets_location;
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int start_point_location;
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int end_point_location;
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} linear_gradient;
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struct {
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int blur_radius_location;
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int blur_size_location;
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int dir_location;
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} blur;
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struct {
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int color_location;
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int spread_location;
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int offset_location;
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int outline_location;
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int corner_widths_location;
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int corner_heights_location;
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} inset_shadow;
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struct {
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int outline_location;
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int corner_widths_location;
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int corner_heights_location;
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} outset_shadow;
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struct {
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int outline_location;
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int corner_widths_location;
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int corner_heights_location;
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int color_location;
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int spread_location;
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int offset_location;
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} unblurred_outset_shadow;
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struct {
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int color_location;
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int widths_location;
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int outline_location;
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int corner_widths_location;
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int corner_heights_location;
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} border;
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struct {
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int source2_location;
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int progress_location;
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} cross_fade;
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struct {
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int source2_location;
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int mode_location;
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} blend;
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struct {
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int child_bounds_location;
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int texture_rect_location;
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} repeat;
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};
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} Program;
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typedef struct
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{
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guint op;
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union {
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float opacity;
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graphene_matrix_t modelview;
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graphene_matrix_t projection;
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const Program *program;
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int texture_id;
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int render_target_id;
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GdkRGBA color;
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GskQuadVertex vertex_data[6];
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GskRoundedRect clip;
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graphene_rect_t viewport;
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struct {
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int n_color_stops;
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float color_offsets[8];
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float color_stops[4 * 8];
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graphene_point_t start_point;
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graphene_point_t end_point;
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} linear_gradient;
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struct {
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gsize vao_offset;
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gsize vao_size;
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} draw;
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struct {
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graphene_matrix_t matrix;
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graphene_vec4_t offset;
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} color_matrix;
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struct {
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float radius;
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graphene_size_t size;
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float dir[2];
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} blur;
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struct {
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float outline[4];
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float corner_widths[4];
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float corner_heights[4];
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float radius;
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float spread;
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float offset[2];
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float color[4];
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} inset_shadow;
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struct {
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float outline[4];
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float corner_widths[4];
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float corner_heights[4];
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float radius;
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float spread;
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float offset[2];
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float color[4];
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} outset_shadow;
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struct {
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float outline[4];
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float corner_widths[4];
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float corner_heights[4];
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float radius;
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float spread;
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float offset[2];
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float color[4];
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} unblurred_outset_shadow;
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struct {
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float color[4];
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} shadow;
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struct {
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float widths[4];
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float color[4];
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GskRoundedRect outline;
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} border;
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struct {
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float progress;
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int source2;
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} cross_fade;
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struct {
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int source2;
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int mode;
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} blend;
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struct {
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float child_bounds[4];
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float texture_rect[4];
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} repeat;
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struct {
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char *filename;
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int width;
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int height;
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} dump;
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struct {
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char text[180]; /* Size of linear_gradient, so 'should be enough' without growing RenderOp */
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} debug_group;
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};
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} RenderOp;
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typedef struct
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{
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GskTransform *modelview;
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GskRoundedRect clip;
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graphene_matrix_t projection;
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int source_texture;
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graphene_rect_t viewport;
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float opacity;
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/* Per-program state */
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union {
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GdkRGBA color;
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struct {
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graphene_matrix_t matrix;
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graphene_vec4_t offset;
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} color_matrix;
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struct {
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float widths[4];
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float color[4];
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GskRoundedRect outline;
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} border;
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};
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} ProgramState;
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typedef struct
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{
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ProgramState program_state[GL_N_PROGRAMS];
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const Program *current_program;
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int current_render_target;
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int current_texture;
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graphene_matrix_t current_projection;
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graphene_rect_t current_viewport;
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float current_opacity;
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float dx, dy;
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gsize buffer_size;
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GArray *render_ops;
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GskGLRenderer *renderer;
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/* Stack of modelview matrices */
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GArray *mv_stack;
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GskTransform *current_modelview;
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/* Same thing */
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GArray *clip_stack;
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/* Pointer into clip_stack */
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const GskRoundedRect *current_clip;
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} RenderOpBuilder;
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void ops_dump_framebuffer (RenderOpBuilder *builder,
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const char *filename,
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int width,
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int height);
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void ops_init (RenderOpBuilder *builder);
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void ops_free (RenderOpBuilder *builder);
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void ops_push_debug_group (RenderOpBuilder *builder,
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const char *text);
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void ops_pop_debug_group (RenderOpBuilder *builder);
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void ops_finish (RenderOpBuilder *builder);
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void ops_push_modelview (RenderOpBuilder *builder,
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GskTransform *transform);
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void ops_set_modelview (RenderOpBuilder *builder,
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GskTransform *transform);
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void ops_pop_modelview (RenderOpBuilder *builder);
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float ops_get_scale (const RenderOpBuilder *builder);
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void ops_set_program (RenderOpBuilder *builder,
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const Program *program);
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void ops_push_clip (RenderOpBuilder *builder,
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const GskRoundedRect *clip);
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void ops_pop_clip (RenderOpBuilder *builder);
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gboolean ops_has_clip (RenderOpBuilder *builder);
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void ops_transform_bounds_modelview (const RenderOpBuilder *builder,
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const graphene_rect_t *src,
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graphene_rect_t *dst);
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graphene_matrix_t ops_set_projection (RenderOpBuilder *builder,
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const graphene_matrix_t *projection);
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graphene_rect_t ops_set_viewport (RenderOpBuilder *builder,
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const graphene_rect_t *viewport);
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void ops_set_texture (RenderOpBuilder *builder,
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int texture_id);
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int ops_set_render_target (RenderOpBuilder *builder,
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int render_target_id);
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float ops_set_opacity (RenderOpBuilder *builder,
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float opacity);
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void ops_set_color (RenderOpBuilder *builder,
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const GdkRGBA *color);
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void ops_set_color_matrix (RenderOpBuilder *builder,
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const graphene_matrix_t *matrix,
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const graphene_vec4_t *offset);
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void ops_set_border (RenderOpBuilder *builder,
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const GskRoundedRect *outline);
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void ops_set_border_width (RenderOpBuilder *builder,
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const float *widths);
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void ops_set_border_color (RenderOpBuilder *builder,
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const GdkRGBA *color);
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void ops_draw (RenderOpBuilder *builder,
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const GskQuadVertex vertex_data[GL_N_VERTICES]);
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void ops_offset (RenderOpBuilder *builder,
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float x,
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float y);
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void ops_add (RenderOpBuilder *builder,
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const RenderOp *op);
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#endif
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