gtk2/gsk/gl/gskglrenderopsprivate.h
2018-12-07 16:36:10 +01:00

332 lines
9.2 KiB
C

#ifndef __GSK_GL_RENDER_OPS_H__
#define __GSK_GL_RENDER_OPS_H__
#include <glib.h>
#include <graphene.h>
#include <gdk/gdk.h>
#include "gskgldriverprivate.h"
#include "gskroundedrectprivate.h"
#include "gskglrendererprivate.h"
#define GL_N_VERTICES 6
#define GL_N_PROGRAMS 11
typedef struct
{
float translate_x;
float translate_y;
float scale_x;
float scale_y;
guint simple : 1;
guint only_translation : 1;
} OpsMatrixMetadata;
typedef struct
{
graphene_matrix_t matrix;
OpsMatrixMetadata metadata;
} MatrixStackEntry;
enum {
OP_NONE,
OP_CHANGE_OPACITY = 1,
OP_CHANGE_COLOR = 2,
OP_CHANGE_PROJECTION = 3,
OP_CHANGE_MODELVIEW = 4,
OP_CHANGE_PROGRAM = 5,
OP_CHANGE_RENDER_TARGET = 6,
OP_CHANGE_CLIP = 7,
OP_CHANGE_VIEWPORT = 8,
OP_CHANGE_SOURCE_TEXTURE = 9,
OP_CHANGE_VAO = 10,
OP_CHANGE_LINEAR_GRADIENT = 11,
OP_CHANGE_COLOR_MATRIX = 12,
OP_CHANGE_BLUR = 13,
OP_CHANGE_INSET_SHADOW = 14,
OP_CHANGE_OUTSET_SHADOW = 15,
OP_CHANGE_BORDER = 16,
OP_CHANGE_BORDER_COLOR = 17,
OP_CHANGE_BORDER_WIDTH = 18,
OP_CHANGE_CROSS_FADE = 19,
OP_CHANGE_UNBLURRED_OUTSET_SHADOW = 20,
OP_CLEAR = 21,
OP_DRAW = 22,
OP_DUMP_FRAMEBUFFER = 23,
};
typedef struct
{
int index; /* Into the renderer's program array */
int id;
/* Common locations (gl_common)*/
int source_location;
int position_location;
int uv_location;
int alpha_location;
int blend_mode_location;
int viewport_location;
int projection_location;
int modelview_location;
int clip_location;
int clip_corner_widths_location;
int clip_corner_heights_location;
union {
struct {
int color_location;
} color;
struct {
int color_location;
} coloring;
struct {
int color_matrix_location;
int color_offset_location;
} color_matrix;
struct {
int num_color_stops_location;
int color_stops_location;
int color_offsets_location;
int start_point_location;
int end_point_location;
} linear_gradient;
struct {
int blur_radius_location;
int blur_size_location;
int dir_location;
} blur;
struct {
int color_location;
int spread_location;
int offset_location;
int outline_location;
int corner_widths_location;
int corner_heights_location;
} inset_shadow;
struct {
int outline_location;
int corner_widths_location;
int corner_heights_location;
} outset_shadow;
struct {
int outline_location;
int corner_widths_location;
int corner_heights_location;
int color_location;
int spread_location;
int offset_location;
} unblurred_outset_shadow;
struct {
int color_location;
int widths_location;
int outline_location;
int corner_widths_location;
int corner_heights_location;
} border;
struct {
int source2_location;
int progress_location;
} cross_fade;
};
} Program;
typedef struct
{
guint op;
union {
float opacity;
graphene_matrix_t modelview; /* TODO: Make both matrix members just "matrix" */
graphene_matrix_t projection;
const Program *program;
int texture_id;
int render_target_id;
GdkRGBA color;
GskQuadVertex vertex_data[6];
GskRoundedRect clip;
graphene_rect_t viewport;
struct {
int n_color_stops;
float color_offsets[8];
float color_stops[4 * 8];
graphene_point_t start_point;
graphene_point_t end_point;
} linear_gradient;
struct {
gsize vao_offset;
gsize vao_size;
} draw;
struct {
graphene_matrix_t matrix;
graphene_vec4_t offset;
} color_matrix;
struct {
float radius;
graphene_size_t size;
float dir[2];
} blur;
struct {
float outline[4];
float corner_widths[4];
float corner_heights[4];
float radius;
float spread;
float offset[2];
float color[4];
} inset_shadow;
struct {
float outline[4];
float corner_widths[4];
float corner_heights[4];
float radius;
float spread;
float offset[2];
float color[4];
} outset_shadow;
struct {
float outline[4];
float corner_widths[4];
float corner_heights[4];
float radius;
float spread;
float offset[2];
float color[4];
} unblurred_outset_shadow;
struct {
float color[4];
} shadow;
struct {
float widths[4];
float color[4];
GskRoundedRect outline;
} border;
struct {
float progress;
int source2;
} cross_fade;
struct {
char *filename;
int width;
int height;
} dump;
};
} RenderOp;
typedef struct
{
GskRoundedRect clip;
graphene_matrix_t modelview;
graphene_matrix_t projection;
int source_texture;
graphene_rect_t viewport;
float opacity;
/* Per-program state */
union {
GdkRGBA color;
struct {
graphene_matrix_t matrix;
graphene_vec4_t offset;
} color_matrix;
struct {
float widths[4];
float color[4];
GskRoundedRect outline;
} border;
};
} ProgramState;
typedef struct
{
ProgramState program_state[GL_N_PROGRAMS];
/* Current global state */
ProgramState *current_program_state;
const Program *current_program;
int current_render_target;
int current_texture;
GskRoundedRect current_clip;
graphene_matrix_t current_projection;
graphene_rect_t current_viewport;
float current_opacity;
float dx, dy;
gsize buffer_size;
GArray *render_ops;
GskGLRenderer *renderer;
/* Stack of modelview matrices */
GArray *mv_stack;
/* Pointer into mv_stack */
const graphene_matrix_t *current_modelview;
} RenderOpBuilder;
void ops_dump_framebuffer (RenderOpBuilder *builder,
const char *filename,
int width,
int height);
void ops_finish (RenderOpBuilder *builder);
void ops_push_modelview (RenderOpBuilder *builder,
const graphene_matrix_t *mv);
void ops_pop_modelview (RenderOpBuilder *builder);
gboolean ops_modelview_is_simple (const RenderOpBuilder *builder);
float ops_get_scale (const RenderOpBuilder *builder);
void ops_set_program (RenderOpBuilder *builder,
const Program *program);
GskRoundedRect ops_set_clip (RenderOpBuilder *builder,
const GskRoundedRect *clip);
void ops_transform_bounds_modelview (const RenderOpBuilder *builder,
const graphene_rect_t *src,
graphene_rect_t *dst);
graphene_matrix_t ops_set_projection (RenderOpBuilder *builder,
const graphene_matrix_t *projection);
graphene_rect_t ops_set_viewport (RenderOpBuilder *builder,
const graphene_rect_t *viewport);
void ops_set_texture (RenderOpBuilder *builder,
int texture_id);
int ops_set_render_target (RenderOpBuilder *builder,
int render_target_id);
float ops_set_opacity (RenderOpBuilder *builder,
float opacity);
void ops_set_color (RenderOpBuilder *builder,
const GdkRGBA *color);
void ops_set_color_matrix (RenderOpBuilder *builder,
const graphene_matrix_t *matrix,
const graphene_vec4_t *offset);
void ops_set_border (RenderOpBuilder *builder,
const GskRoundedRect *outline);
void ops_set_border_width (RenderOpBuilder *builder,
const float *widths);
void ops_set_border_color (RenderOpBuilder *builder,
const GdkRGBA *color);
void ops_draw (RenderOpBuilder *builder,
const GskQuadVertex vertex_data[GL_N_VERTICES]);
void ops_offset (RenderOpBuilder *builder,
float x,
float y);
void ops_add (RenderOpBuilder *builder,
const RenderOp *op);
#endif