forked from AuroraMiddleware/gtk
354 lines
12 KiB
C
354 lines
12 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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#include "opbuffer.h"
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#define GL_N_VERTICES 6
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#define GL_N_PROGRAMS 15
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#define GL_MAX_GRADIENT_STOPS 6
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typedef struct
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{
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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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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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GdkRGBA color;
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GskRoundedRect outline;
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} border;
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struct {
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GskRoundedRect outline;
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float dx;
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float dy;
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float spread;
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GdkRGBA color;
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} inset_shadow;
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struct {
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GskRoundedRect outline;
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float dx;
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float dy;
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float spread;
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GdkRGBA color;
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} unblurred_outset_shadow;
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struct {
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int n_color_stops;
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GskColorStop color_stops[GL_MAX_GRADIENT_STOPS];
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float start_point[2];
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float end_point[2];
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} linear_gradient;
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struct {
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int n_color_stops;
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GskColorStop color_stops[GL_MAX_GRADIENT_STOPS];
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float center[2];
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float start;
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float end;
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float radius[2]; /* h/v */
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} radial_gradient;
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struct {
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float width;
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float height;
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int uniform_data_len;
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guchar uniform_data[32];
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} gl_shader;
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};
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} ProgramState;
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struct _Program
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{
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const char *name;
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int index; /* Into the renderer's program array -1 for custom */
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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 viewport_location;
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int projection_location;
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int modelview_location;
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int clip_rect_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 points_location;
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int repeat_location;
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} linear_gradient;
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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 geometry_location;
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int range_location;
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int repeat_location;
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} radial_gradient;
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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 geometry_location;
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} conic_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 blur_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_rect_location;
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} inset_shadow;
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struct {
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int color_location;
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int outline_rect_location;
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} outset_shadow;
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struct {
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int outline_rect_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_rect_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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struct {
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int size_location;
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int args_locations[8];
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int texture_locations[4];
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GError *compile_error;
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} glshader;
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};
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ProgramState state;
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};
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typedef struct {
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int ref_count;
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union {
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Program programs[GL_N_PROGRAMS];
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struct {
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Program blend_program;
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Program blit_program;
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Program blur_program;
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Program border_program;
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Program color_matrix_program;
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Program color_program;
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Program coloring_program;
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Program cross_fade_program;
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Program inset_shadow_program;
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Program linear_gradient_program;
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Program radial_gradient_program;
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Program conic_gradient_program;
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Program outset_shadow_program;
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Program repeat_program;
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Program unblurred_outset_shadow_program;
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};
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};
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GHashTable *custom_programs; /* GskGLShader -> Program* */
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} GskGLRendererPrograms;
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typedef struct
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{
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GskGLRendererPrograms *programs;
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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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float scale_x, scale_y;
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OpBuffer render_ops;
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GArray *vertices;
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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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bool clip_is_rectilinear;
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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_reset (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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void ops_set_program (RenderOpBuilder *builder,
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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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void ops_set_extra_texture (RenderOpBuilder *builder,
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int texture_id,
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int idx);
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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_set_inset_shadow (RenderOpBuilder *self,
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const GskRoundedRect outline,
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float spread,
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const GdkRGBA *color,
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float dx,
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float dy);
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void ops_set_gl_shader_args (RenderOpBuilder *builder,
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GskGLShader *shader,
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float width,
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float height,
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const guchar *uniform_data);
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void ops_set_unblurred_outset_shadow (RenderOpBuilder *self,
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const GskRoundedRect outline,
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float spread,
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const GdkRGBA *color,
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float dx,
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float dy);
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void ops_set_linear_gradient (RenderOpBuilder *self,
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guint n_color_stops,
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const GskColorStop *color_stops,
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gboolean repeat,
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float start_x,
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float start_y,
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float end_x,
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float end_y);
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void ops_set_radial_gradient (RenderOpBuilder *self,
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guint n_color_stops,
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const GskColorStop *color_stops,
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gboolean repeat,
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float center_x,
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float center_y,
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float start,
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float end,
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float hradius,
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float vradius);
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void ops_set_conic_gradient (RenderOpBuilder *self,
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guint n_color_stops,
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const GskColorStop *color_stops,
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float center_x,
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float center_y,
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float angle);
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GskQuadVertex * 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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gpointer ops_begin (RenderOpBuilder *builder,
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OpKind kind);
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OpBuffer *ops_get_buffer (RenderOpBuilder *builder);
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#endif
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