d7f8b888d0
The previous implementation will just skip the rendering which is not good. Signed-off-by: Zhigang Gong <zhigang.gong@linux.intel.com>
477 lines
13 KiB
C
477 lines
13 KiB
C
/*
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* Copyright © 2008 Intel Corporation
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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* IN THE SOFTWARE.
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*
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* Authors:
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* Eric Anholt <eric@anholt.net>
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*
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*/
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#ifndef GLAMOR_PRIV_H
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#define GLAMOR_PRIV_H
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#ifdef HAVE_DIX_CONFIG_H
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#include <dix-config.h>
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#endif
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#include "glamor.h"
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#include <GL/glew.h>
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#ifdef RENDER
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#include "glyphstr.h"
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#endif
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#ifndef MAX_WIDTH
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#define MAX_WIDTH 4096
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#endif
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#ifndef MAX_HEIGHT
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#define MAX_HEIGHT 4096
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#endif
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typedef enum glamor_access {
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GLAMOR_ACCESS_RO,
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GLAMOR_ACCESS_RW,
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} glamor_access_t;
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typedef struct glamor_transform_uniforms {
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GLint x_bias;
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GLint x_scale;
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GLint y_bias;
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GLint y_scale;
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} glamor_transform_uniforms;
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typedef struct glamor_composite_shader {
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GLuint prog;
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GLint dest_to_dest_uniform_location;
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GLint dest_to_source_uniform_location;
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GLint dest_to_mask_uniform_location;
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GLint source_uniform_location;
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GLint mask_uniform_location;
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} glamor_composite_shader;
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typedef struct {
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INT16 x_src;
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INT16 y_src;
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INT16 x_mask;
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INT16 y_mask;
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INT16 x_dst;
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INT16 y_dst;
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INT16 width;
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INT16 height;
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} glamor_composite_rect_t;
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typedef struct {
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unsigned char sha1[20];
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} glamor_cached_glyph_t;
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typedef struct {
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/* The identity of the cache, statically configured at initialization */
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unsigned int format;
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int glyph_width;
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int glyph_height;
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/* Size of cache; eventually this should be dynamically determined */
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int size;
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/* Hash table mapping from glyph sha1 to position in the glyph; we use
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* open addressing with a hash table size determined based on size and large
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* enough so that we always have a good amount of free space, so we can
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* use linear probing. (Linear probing is preferrable to double hashing
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* here because it allows us to easily remove entries.)
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*/
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int *hash_entries;
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int hash_size;
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glamor_cached_glyph_t *glyphs;
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int glyph_count; /* Current number of glyphs */
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PicturePtr picture; /* Where the glyphs of the cache are stored */
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int y_offset; /* y location within the picture where the cache starts */
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int columns; /* Number of columns the glyphs are layed out in */
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int eviction_position; /* Next random position to evict a glyph */
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} glamor_glyph_cache_t;
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#define GLAMOR_NUM_GLYPH_CACHES 4
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enum shader_source {
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SHADER_SOURCE_SOLID,
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SHADER_SOURCE_TEXTURE,
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SHADER_SOURCE_TEXTURE_ALPHA,
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SHADER_SOURCE_COUNT,
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};
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enum shader_mask {
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SHADER_MASK_NONE,
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SHADER_MASK_SOLID,
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SHADER_MASK_TEXTURE,
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SHADER_MASK_TEXTURE_ALPHA,
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SHADER_MASK_COUNT,
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};
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enum shader_in {
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SHADER_IN_SOURCE_ONLY,
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SHADER_IN_NORMAL,
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SHADER_IN_CA_SOURCE,
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SHADER_IN_CA_ALPHA,
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SHADER_IN_COUNT,
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};
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typedef struct glamor_screen_private {
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CloseScreenProcPtr saved_close_screen;
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CreateGCProcPtr saved_create_gc;
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CreatePixmapProcPtr saved_create_pixmap;
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DestroyPixmapProcPtr saved_destroy_pixmap;
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GetSpansProcPtr saved_get_spans;
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GetImageProcPtr saved_get_image;
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CompositeProcPtr saved_composite;
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TrapezoidsProcPtr saved_trapezoids;
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GlyphsProcPtr saved_glyphs;
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ChangeWindowAttributesProcPtr saved_change_window_attributes;
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CopyWindowProcPtr saved_copy_window;
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BitmapToRegionProcPtr saved_bitmap_to_region;
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TrianglesProcPtr saved_triangles;
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char *delayed_fallback_string;
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int yInverted;
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GLuint vbo;
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int vbo_offset;
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int vbo_size;
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char *vb;
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int vb_stride;
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/* glamor_finishaccess */
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GLint finish_access_prog;
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GLint aswizzle_prog;
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/* glamor_solid */
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GLint solid_prog;
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GLint solid_color_uniform_location;
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/* glamor_tile */
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GLint tile_prog;
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/* glamor_putimage */
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GLint put_image_xybitmap_prog;
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glamor_transform_uniforms put_image_xybitmap_transform;
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GLint put_image_xybitmap_fg_uniform_location;
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GLint put_image_xybitmap_bg_uniform_location;
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/* glamor_composite */
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glamor_composite_shader composite_shader[SHADER_SOURCE_COUNT]
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[SHADER_MASK_COUNT]
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[SHADER_IN_COUNT];
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Bool has_source_coords, has_mask_coords;
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int render_nr_verts;
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glamor_glyph_cache_t glyph_caches[GLAMOR_NUM_GLYPH_CACHES];
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} glamor_screen_private;
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enum glamor_pixmap_type {
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GLAMOR_GL,
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GLAMOR_FB
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};
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typedef struct glamor_pixmap_private {
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GLuint tex;
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GLuint fb;
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GLuint pbo;
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enum glamor_pixmap_type type;
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glamor_access_t access_mode;
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} glamor_pixmap_private;
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extern DevPrivateKey glamor_screen_private_key;
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extern DevPrivateKey glamor_pixmap_private_key;
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static inline glamor_screen_private *
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glamor_get_screen_private(ScreenPtr screen)
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{
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return (glamor_screen_private *)dixLookupPrivate(&screen->devPrivates,
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glamor_screen_private_key);
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}
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static inline glamor_pixmap_private *
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glamor_get_pixmap_private(PixmapPtr pixmap)
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{
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return dixLookupPrivate(&pixmap->devPrivates, glamor_pixmap_private_key);
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}
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#define ARRAY_SIZE(x) (sizeof(x) / sizeof(x[0]))
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#define ALIGN(i,m) (((i) + (m) - 1) & ~((m) - 1))
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#define MIN(a,b) ((a) < (b) ? (a) : (b))
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/**
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* Returns TRUE if the given planemask covers all the significant bits in the
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* pixel values for pDrawable.
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*/
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static inline Bool
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glamor_pm_is_solid(DrawablePtr drawable, unsigned long planemask)
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{
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return (planemask & FbFullMask(drawable->depth)) ==
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FbFullMask(drawable->depth);
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}
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static inline void
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glamor_fallback(char *format, ...)
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{
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va_list ap;
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va_start(ap, format);
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//LogMessageVerb(X_INFO, 3, "fallback: ");
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//LogMessageVerb(X_NONE, 3, format, ap);
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va_end(ap);
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}
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static inline void
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glamor_delayed_fallback(ScreenPtr screen, char *format, ...)
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{
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glamor_screen_private *glamor_priv = glamor_get_screen_private(screen);
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va_list ap;
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if (glamor_priv->delayed_fallback_string != NULL)
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return;
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va_start(ap, format);
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XNFvasprintf(&glamor_priv->delayed_fallback_string, format, ap);
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va_end(ap);
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}
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static inline void
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glamor_clear_delayed_fallbacks(ScreenPtr screen)
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{
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glamor_screen_private *glamor_priv = glamor_get_screen_private(screen);
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free(glamor_priv->delayed_fallback_string);
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glamor_priv->delayed_fallback_string = NULL;
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}
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static inline void
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glamor_report_delayed_fallbacks(ScreenPtr screen)
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{
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glamor_screen_private *glamor_priv = glamor_get_screen_private(screen);
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if (glamor_priv->delayed_fallback_string) {
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//LogMessageVerb(X_INFO, 3, "fallback: %s",
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// glamor_priv->delayed_fallback_string);
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glamor_clear_delayed_fallbacks(screen);
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}
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}
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static inline float
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v_from_x_coord_x(PixmapPtr pixmap, int x)
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{
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return (float)x / pixmap->drawable.width * 2.0 - 1.0;
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}
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static inline float
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v_from_x_coord_y(PixmapPtr pixmap, int y)
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{
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return (float)y / pixmap->drawable.height * -2.0 + 1.0;
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}
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static inline float
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v_from_x_coord_y_inverted(PixmapPtr pixmap, int y)
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{
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return (float)y / pixmap->drawable.height * 2.0 - 1.0;
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}
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static inline float
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t_from_x_coord_x(PixmapPtr pixmap, int x)
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{
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return (float)x / pixmap->drawable.width;
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}
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static inline float
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t_from_x_coord_y(PixmapPtr pixmap, int y)
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{
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return 1.0 - (float)y / pixmap->drawable.height;
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}
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static inline float
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t_from_x_coord_y_inverted(PixmapPtr pixmap, int y)
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{
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return (float)y / pixmap->drawable.height;
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}
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/* glamor.c */
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PixmapPtr glamor_get_drawable_pixmap(DrawablePtr drawable);
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Bool glamor_close_screen(int idx, ScreenPtr screen);
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/* glamor_copyarea.c */
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RegionPtr
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glamor_copy_area(DrawablePtr src, DrawablePtr dst, GCPtr gc,
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int srcx, int srcy, int width, int height, int dstx, int dsty);
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void
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glamor_copy_n_to_n(DrawablePtr src,
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DrawablePtr dst,
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GCPtr gc,
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BoxPtr box,
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int nbox,
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int dx,
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int dy,
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Bool reverse,
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Bool upsidedown,
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Pixel bitplane,
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void *closure);
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/* glamor_copywindow.c */
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void glamor_copy_window(WindowPtr win, DDXPointRec old_origin,
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RegionPtr src_region);
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/* glamor_core.c */
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Bool glamor_prepare_access(DrawablePtr drawable, glamor_access_t access);
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void glamor_finish_access(DrawablePtr drawable);
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Bool glamor_prepare_access_window(WindowPtr window);
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void glamor_finish_access_window(WindowPtr window);
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Bool glamor_prepare_access_gc(GCPtr gc);
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void glamor_finish_access_gc(GCPtr gc);
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void glamor_init_finish_access_shaders(ScreenPtr screen);
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const Bool glamor_get_drawable_location(const DrawablePtr drawable);
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void glamor_get_drawable_deltas(DrawablePtr drawable, PixmapPtr pixmap,
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int *x, int *y);
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Bool glamor_create_gc(GCPtr gc);
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Bool glamor_stipple(PixmapPtr pixmap, PixmapPtr stipple,
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int x, int y, int width, int height,
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unsigned char alu, unsigned long planemask,
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unsigned long fg_pixel, unsigned long bg_pixel,
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int stipple_x, int stipple_y);
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GLint glamor_compile_glsl_prog(GLenum type, const char *source);
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void glamor_link_glsl_prog(GLint prog);
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void glamor_get_color_4f_from_pixel(PixmapPtr pixmap, unsigned long fg_pixel,
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GLfloat *color);
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Bool glamor_set_destination_pixmap(PixmapPtr pixmap);
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void glamor_set_alu(unsigned char alu);
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Bool glamor_set_planemask(PixmapPtr pixmap, unsigned long planemask);
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void glamor_get_transform_uniform_locations(GLint prog,
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glamor_transform_uniforms *uniform_locations);
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void glamor_set_transform_for_pixmap(PixmapPtr pixmap,
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glamor_transform_uniforms *uniform_locations);
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Bool glamor_change_window_attributes(WindowPtr pWin, unsigned long mask);
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RegionPtr glamor_bitmap_to_region(PixmapPtr pixmap);
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/* glamor_fill.c */
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void glamor_fill(DrawablePtr drawable,
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GCPtr gc,
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int x,
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int y,
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int width,
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int height);
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Bool glamor_solid(PixmapPtr pixmap, int x, int y, int width, int height,
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unsigned char alu, unsigned long planemask,
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unsigned long fg_pixel);
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void glamor_solid_fail_region(PixmapPtr pixmap,
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int x, int y, int width, int height);
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/* glamor_fillspans.c */
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void glamor_fill_spans(DrawablePtr drawable,
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GCPtr gc,
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int n,
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DDXPointPtr points,
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int *widths,
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int sorted);
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void glamor_init_solid_shader(ScreenPtr screen);
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/* glamor_getspans.c */
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void
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glamor_get_spans(DrawablePtr drawable,
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int wmax,
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DDXPointPtr points,
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int *widths,
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int nspans,
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char *dst_start);
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/* glamor_glyphs.c */
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void glamor_glyphs_init(ScreenPtr screen);
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void glamor_glyphs_fini(ScreenPtr screen);
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void glamor_glyphs(CARD8 op,
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PicturePtr pSrc,
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PicturePtr pDst,
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PictFormatPtr maskFormat,
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INT16 xSrc,
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INT16 ySrc, int nlist, GlyphListPtr list, GlyphPtr * glyphs);
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/* glamor_setspans.c */
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void glamor_set_spans(DrawablePtr drawable, GCPtr gc, char *src,
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DDXPointPtr points, int *widths, int n, int sorted);
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/* glamor_polyfillrect.c */
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void
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glamor_poly_fill_rect(DrawablePtr drawable,
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GCPtr gc,
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int nrect,
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xRectangle *prect);
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/* glamor_polylines.c */
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void
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glamor_poly_lines(DrawablePtr drawable, GCPtr gc, int mode, int n,
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DDXPointPtr points);
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/* glamor_putimage.c */
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void
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glamor_put_image(DrawablePtr drawable, GCPtr gc, int depth, int x, int y,
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int w, int h, int leftPad, int format, char *bits);
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void glamor_init_putimage_shaders(ScreenPtr screen);
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/* glamor_render.c */
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void glamor_composite(CARD8 op,
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PicturePtr pSrc,
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PicturePtr pMask,
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PicturePtr pDst,
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INT16 xSrc,
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INT16 ySrc,
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INT16 xMask,
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INT16 yMask,
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INT16 xDst,
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INT16 yDst,
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CARD16 width,
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CARD16 height);
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void glamor_trapezoids(CARD8 op,
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PicturePtr src, PicturePtr dst,
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PictFormatPtr mask_format, INT16 x_src, INT16 y_src,
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int ntrap, xTrapezoid *traps);
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void glamor_init_composite_shaders(ScreenPtr screen);
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void glamor_composite_rects(CARD8 op,
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PicturePtr src, PicturePtr dst,
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int nrect, glamor_composite_rect_t *rects);
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/* glamor_tile.c */
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Bool glamor_tile(PixmapPtr pixmap, PixmapPtr tile,
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int x, int y, int width, int height,
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unsigned char alu, unsigned long planemask,
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int tile_x, int tile_y);
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void glamor_init_tile_shader(ScreenPtr screen);
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/* glamor_triangles */
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void
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glamor_triangles (CARD8 op,
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PicturePtr pSrc,
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PicturePtr pDst,
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PictFormatPtr maskFormat,
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INT16 xSrc,
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INT16 ySrc,
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int ntris,
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xTriangle *tris);
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#endif /* GLAMOR_PRIV_H */
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