forked from AuroraMiddleware/gtk
1d3aa9207c
So we can check that the currently set clip is the first one and now intersect with it. This first clip is always the entire viewport or the entire render_area and we don't want to end up drawing things to a texture because of it.
337 lines
9.4 KiB
C
337 lines
9.4 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 "gskglrendererprivate.h"
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#define GL_N_VERTICES 6
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#define GL_N_PROGRAMS 11
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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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guint simple : 1;
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guint only_translation : 1;
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} OpsMatrixMetadata;
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typedef struct
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{
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graphene_matrix_t matrix;
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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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};
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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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};
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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; /* TODO: Make both matrix members just "matrix" */
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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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char *filename;
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int width;
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int height;
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} dump;
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};
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} RenderOp;
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typedef struct
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{
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GskRoundedRect clip;
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graphene_matrix_t modelview;
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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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/* Current global state */
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ProgramState *current_program_state;
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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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/* Pointer into mv_stack */
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const graphene_matrix_t *current_modelview;
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/* Same thing */
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GArray *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_finish (RenderOpBuilder *builder);
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void ops_push_modelview (RenderOpBuilder *builder,
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const graphene_matrix_t *mv);
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void ops_pop_modelview (RenderOpBuilder *builder);
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gboolean ops_modelview_is_simple (const 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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