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glamor: Re-arrange some macros/definitions in header files.

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Signed-off-by: Zhigang Gong <zhigang.gong@linux.intel.com>
This commit is contained in:
Zhigang Gong 2011-09-08 15:14:43 +08:00
parent 0dff23d65b
commit 2a9dfc963f
3 changed files with 445 additions and 458 deletions
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32
glamor/glamor_glext.h Normal file
View File

@ -0,0 +1,32 @@
#ifdef GLAMOR_GLES2
#define GL_BGRA GL_BGRA_EXT
#define GL_COLOR_INDEX 0x1900
#define GL_BITMAP 0x1A00
#define GL_UNSIGNED_INT_8_8_8_8 0x8035
#define GL_UNSIGNED_INT_8_8_8_8_REV 0x8367
#define GL_UNSIGNED_INT_2_10_10_10_REV 0x8368
#define GL_UNSIGNED_INT_10_10_10_2 0x8036
#define GL_UNSIGNED_SHORT_5_6_5_REV 0x8364
#define GL_UNSIGNED_SHORT_1_5_5_5_REV 0x8366
#define GL_UNSIGNED_SHORT_4_4_4_4_REV 0x8365
#define GL_PIXEL_PACK_BUFFER 0x88EB
#define GL_PIXEL_UNPACK_BUFFER 0x88EC
#define GL_CLAMP_TO_BORDER 0x812D
#define GL_READ_WRITE 0x88BA
#define GL_READ_ONLY 0x88B8
#define GL_WRITE_ONLY 0x88B9
#define GL_STREAM_DRAW 0x88E0
#define GL_STREAM_READ 0x88E1
#define GL_PACK_ROW_LENGTH 0x0D02
#define GL_UNPACK_ROW_LENGTH 0x0CF2
#define GL_FRAMEBUFFER_INCOMPLETE_DRAW_BUFFER 0x8CDB
#define GL_FRAMEBUFFER_INCOMPLETE_READ_BUFFER 0x8CDC
#define GL_FRAMEBUFFER_INCOMPLETE_MULTISAMPLE 0x8D56
#define GL_PACK_INVERT_MESA 0x8758
#endif

491
glamor/glamor_priv.h
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@ -35,89 +35,26 @@
#include "glamor.h"
#ifdef GLAMOR_GLES2
#define GL_BGRA GL_BGRA_EXT
#define GL_COLOR_INDEX 0x1900
#define GL_BITMAP 0x1A00
#define GL_UNSIGNED_INT_8_8_8_8 0x8035
#define GL_UNSIGNED_INT_8_8_8_8_REV 0x8367
#define GL_UNSIGNED_INT_2_10_10_10_REV 0x8368
#define GL_UNSIGNED_INT_10_10_10_2 0x8036
#define GL_UNSIGNED_SHORT_5_6_5_REV 0x8364
#define GL_UNSIGNED_SHORT_1_5_5_5_REV 0x8366
#define GL_UNSIGNED_SHORT_4_4_4_4_REV 0x8365
#define GL_PIXEL_PACK_BUFFER 0x88EB
#define GL_PIXEL_UNPACK_BUFFER 0x88EC
#define GL_CLAMP_TO_BORDER 0x812D
#define GL_READ_WRITE 0x88BA
#define GL_READ_ONLY 0x88B8
#define GL_WRITE_ONLY 0x88B9
#define GL_STREAM_DRAW 0x88E0
#define GL_STREAM_READ 0x88E1
#define GL_PACK_ROW_LENGTH 0x0D02
#define GL_UNPACK_ROW_LENGTH 0x0CF2
#define GL_FRAMEBUFFER_INCOMPLETE_DRAW_BUFFER 0x8CDB
#define GL_FRAMEBUFFER_INCOMPLETE_READ_BUFFER 0x8CDC
#define GL_FRAMEBUFFER_INCOMPLETE_MULTISAMPLE 0x8D56
#define GL_PACK_INVERT_MESA 0x8758
#define glMapBuffer(x, y) NULL
#define glUnmapBuffer(x)
#define glRasterPos2i(x,y)
#define glDrawPixels(x,y,z,a,b)
#endif
#define GL_GLEXT_PROTOTYPES
#ifdef GLAMOR_GLES2
#include <GLES2/gl2.h>
#include <GLES2/gl2ext.h>
#define GLAMOR_DEFAULT_PRECISION \
"precision mediump float;\n"
#define GLAMOR_DEFAULT_PRECISION "precision mediump float;\n"
#include "glamor_glext.h"
#else
#include <GL/gl.h>
#include <GL/glext.h>
#define GLAMOR_DEFAULT_PRECISION
#endif
#ifdef RENDER
#include "glyphstr.h"
#endif
#include "glamor_debug.h"
#define glamor_check_fbo_size(_glamor_,_w_, _h_) ((_w_) > 0 && (_h_) > 0 \
&& (_w_) < _glamor_->max_fbo_size \
&& (_h_) < _glamor_->max_fbo_size)
#define glamor_check_fbo_depth(_depth_) ( \
_depth_ == 8 \
|| _depth_ == 15 \
|| _depth_ == 16 \
|| _depth_ == 24 \
|| _depth_ == 30 \
|| _depth_ == 32)
#define GLAMOR_PIXMAP_PRIV_IS_PICTURE(pixmap_priv) (pixmap_priv->is_picture == 1)
#define GLAMOR_PIXMAP_PRIV_HAS_FBO(pixmap_priv) (pixmap_priv->gl_fbo == 1)
typedef struct glamor_transform_uniforms {
GLint x_bias;
GLint x_scale;
GLint y_bias;
GLint y_scale;
} glamor_transform_uniforms;
typedef struct glamor_composite_shader {
GLuint prog;
GLint dest_to_dest_uniform_location;
@ -138,16 +75,6 @@ typedef struct {
INT16 height;
} glamor_composite_rect_t;
#define GLAMOR_NUM_GLYPH_CACHES 4
#define GLAMOR_NUM_GLYPH_CACHE_FORMATS 2
typedef struct {
PicturePtr picture; /* Where the glyphs of the cache are stored */
GlyphPtr *glyphs;
uint16_t count;
uint16_t evict;
} glamor_glyph_cache_t;
enum glamor_vertex_type {
GLAMOR_VERTEX_POS,
@ -178,8 +105,6 @@ enum shader_in {
SHADER_IN_COUNT,
};
#include "glamor_gl_dispatch.h"
struct glamor_screen_private;
struct glamor_pixmap_private;
typedef void (*glamor_pixmap_validate_function_t)(struct glamor_screen_private*,
@ -191,6 +116,20 @@ enum glamor_gl_flavor {
};
#define GLAMOR_CREATE_PIXMAP_CPU 0x100
#define GLAMOR_NUM_GLYPH_CACHES 4
#define GLAMOR_NUM_GLYPH_CACHE_FORMATS 2
typedef struct {
PicturePtr picture; /* Where the glyphs of the cache are stored */
GlyphPtr *glyphs;
uint16_t count;
uint16_t evict;
} glamor_glyph_cache_t;
#include "glamor_gl_dispatch.h"
typedef struct glamor_screen_private {
CloseScreenProcPtr saved_close_screen;
CreateGCProcPtr saved_create_gc;
@ -235,7 +174,6 @@ typedef struct glamor_screen_private {
/* glamor_putimage */
GLint put_image_xybitmap_prog;
glamor_transform_uniforms put_image_xybitmap_transform;
GLint put_image_xybitmap_fg_uniform_location;
GLint put_image_xybitmap_bg_uniform_location;
@ -252,7 +190,6 @@ typedef struct glamor_screen_private {
glamor_glyph_cache_t glyphCaches[GLAMOR_NUM_GLYPH_CACHE_FORMATS];
Bool glyph_cache_initialized;
struct glamor_gl_dispatch dispatch;
} glamor_screen_private;
@ -262,28 +199,6 @@ typedef enum glamor_access {
GLAMOR_ACCESS_WO,
} glamor_access_t;
/*
* glamor_pixmap_private - glamor pixmap's private structure.
* @gl_fbo: The pixmap is attached to a fbo originally.
* @gl_tex: The pixmap is in a gl texture originally.
* @pbo_valid: The pbo has a valid copy of the pixmap's data.
* @is_picture: The drawable is attached to a picture.
* @tex: attached texture.
* @fb: attached fbo.
* @pbo: attached pbo.
* @access_mode: access mode during the prepare/finish pair.
* @pict_format: the corresponding picture's format.
* #pending_op: currently only support pending filling.
* @container: The corresponding pixmap's pointer.
**/
#define GLAMOR_PIXMAP_PRIV_NEED_VALIDATE(pixmap_priv) \
(GLAMOR_PIXMAP_PRIV_HAS_FBO(pixmap_priv) \
&& (pixmap_priv->pending_op.type != GLAMOR_PENDING_NONE))
#define GLAMOR_PIXMAP_PRIV_NO_PENDING(pixmap_priv) \
(pixmap_priv->pending_op.type == GLAMOR_PENDING_NONE)
enum _glamor_pending_op_type{
GLAMOR_PENDING_NONE,
GLAMOR_PENDING_FILL
@ -300,6 +215,20 @@ typedef union _glamor_pending_op {
glamor_pending_fill fill;
} glamor_pending_op;
/*
* glamor_pixmap_private - glamor pixmap's private structure.
* @gl_fbo: The pixmap is attached to a fbo originally.
* @gl_tex: The pixmap is in a gl texture originally.
* @pbo_valid: The pbo has a valid copy of the pixmap's data.
* @is_picture: The drawable is attached to a picture.
* @tex: attached texture.
* @fb: attached fbo.
* @pbo: attached pbo.
* @access_mode: access mode during the prepare/finish pair.
* @pict_format: the corresponding picture's format.
* #pending_op: currently only support pending filling.
* @container: The corresponding pixmap's pointer.
**/
typedef struct glamor_pixmap_private {
unsigned char gl_fbo:1;
@ -316,15 +245,6 @@ typedef struct glamor_pixmap_private {
glamor_screen_private *glamor_priv;
} glamor_pixmap_private;
#define GLAMOR_CHECK_PENDING_FILL(_dispatch_, _glamor_priv_, _pixmap_priv_) do \
{ \
if (_pixmap_priv_->pending_op.type == GLAMOR_PENDING_FILL) { \
_dispatch_->glUseProgram(_glamor_priv_->solid_prog); \
_dispatch_->glUniform4fv(_glamor_priv_->solid_color_uniform_location, 1, \
_pixmap_priv_->pending_op.fill.color4fv); \
} \
} while(0)
/*
* Pixmap dynamic status, used by dynamic upload feature.
*
@ -356,347 +276,6 @@ glamor_get_pixmap_private(PixmapPtr pixmap)
return dixLookupPrivate(&pixmap->devPrivates, glamor_pixmap_private_key);
}
#define ARRAY_SIZE(x) (sizeof(x) / sizeof(x[0]))
#define ALIGN(i,m) (((i) + (m) - 1) & ~((m) - 1))
#define MIN(a,b) ((a) < (b) ? (a) : (b))
/**
* Borrow from uxa.
*/
static inline CARD32
format_for_depth(int depth)
{
switch (depth) {
case 1: return PICT_a1;
case 4: return PICT_a4;
case 8: return PICT_a8;
case 15: return PICT_x1r5g5b5;
case 16: return PICT_r5g6b5;
default:
case 24: return PICT_x8r8g8b8;
#if XORG_VERSION_CURRENT >= 10699900
case 30: return PICT_x2r10g10b10;
#endif
case 32: return PICT_a8r8g8b8;
}
}
static inline CARD32
format_for_pixmap(PixmapPtr pixmap)
{
glamor_pixmap_private *pixmap_priv;
PictFormatShort pict_format;
pixmap_priv = glamor_get_pixmap_private(pixmap);
if (GLAMOR_PIXMAP_PRIV_IS_PICTURE(pixmap_priv))
pict_format = pixmap_priv->pict_format;
else
pict_format = format_for_depth(pixmap->drawable.depth);
return pict_format;
}
/*
* Map picture's format to the correct gl texture format and type.
* no_alpha is used to indicate whehter we need to wire alpha to 1.
*
* Return 0 if find a matched texture type. Otherwise return -1.
**/
#ifndef GLAMOR_GLES2
static inline int
glamor_get_tex_format_type_from_pictformat(PictFormatShort format,
GLenum *tex_format,
GLenum *tex_type,
int *no_alpha,
int *no_revert)
{
*no_alpha = 0;
*no_revert = 1;
switch (format) {
case PICT_a1:
*tex_format = GL_COLOR_INDEX;
*tex_type = GL_BITMAP;
break;
case PICT_b8g8r8x8:
*no_alpha = 1;
case PICT_b8g8r8a8:
*tex_format = GL_BGRA;
*tex_type = GL_UNSIGNED_INT_8_8_8_8;
break;
case PICT_x8r8g8b8:
*no_alpha = 1;
case PICT_a8r8g8b8:
*tex_format = GL_BGRA;
*tex_type = GL_UNSIGNED_INT_8_8_8_8_REV;
break;
case PICT_x8b8g8r8:
*no_alpha = 1;
case PICT_a8b8g8r8:
*tex_format = GL_RGBA;
*tex_type = GL_UNSIGNED_INT_8_8_8_8_REV;
break;
case PICT_x2r10g10b10:
*no_alpha = 1;
case PICT_a2r10g10b10:
*tex_format = GL_BGRA;
*tex_type = GL_UNSIGNED_INT_2_10_10_10_REV;
break;
case PICT_x2b10g10r10:
*no_alpha = 1;
case PICT_a2b10g10r10:
*tex_format = GL_RGBA;
*tex_type = GL_UNSIGNED_INT_2_10_10_10_REV;
break;
case PICT_r5g6b5:
*tex_format = GL_RGB;
*tex_type = GL_UNSIGNED_SHORT_5_6_5;
break;
case PICT_b5g6r5:
*tex_format = GL_RGB;
*tex_type = GL_UNSIGNED_SHORT_5_6_5_REV;
break;
case PICT_x1b5g5r5:
*no_alpha = 1;
case PICT_a1b5g5r5:
*tex_format = GL_RGBA;
*tex_type = GL_UNSIGNED_SHORT_1_5_5_5_REV;
break;
case PICT_x1r5g5b5:
*no_alpha = 1;
case PICT_a1r5g5b5:
*tex_format = GL_BGRA;
*tex_type = GL_UNSIGNED_SHORT_1_5_5_5_REV;
break;
case PICT_a8:
*tex_format = GL_ALPHA;
*tex_type = GL_UNSIGNED_BYTE;
break;
case PICT_x4r4g4b4:
*no_alpha = 1;
case PICT_a4r4g4b4:
*tex_format = GL_BGRA;
*tex_type = GL_UNSIGNED_SHORT_4_4_4_4_REV;
break;
case PICT_x4b4g4r4:
*no_alpha = 1;
case PICT_a4b4g4r4:
*tex_format = GL_RGBA;
*tex_type = GL_UNSIGNED_SHORT_4_4_4_4_REV;
break;
default:
LogMessageVerb(X_INFO, 0, "fail to get matched format for %x \n", format);
return -1;
}
return 0;
}
#else
#define IS_LITTLE_ENDIAN (IMAGE_BYTE_ORDER == LSBFirst)
static inline int
glamor_get_tex_format_type_from_pictformat(PictFormatShort format,
GLenum *tex_format,
GLenum *tex_type,
int *no_alpha,
int *no_revert)
{
*no_alpha = 0;
*no_revert = IS_LITTLE_ENDIAN;
switch (format) {
case PICT_b8g8r8x8:
*no_alpha = 1;
case PICT_b8g8r8a8:
*tex_format = GL_BGRA;
*tex_type = GL_UNSIGNED_BYTE;
*no_revert = !IS_LITTLE_ENDIAN;
break;
case PICT_x8r8g8b8:
*no_alpha = 1;
case PICT_a8r8g8b8:
*tex_format = GL_BGRA;
*tex_type = GL_UNSIGNED_BYTE;
break;
case PICT_x8b8g8r8:
*no_alpha = 1;
case PICT_a8b8g8r8:
*tex_format = GL_RGBA;
*tex_type = GL_UNSIGNED_BYTE;
break;
case PICT_x2r10g10b10:
*no_alpha = 1;
case PICT_a2r10g10b10:
*tex_format = GL_BGRA;
*tex_type = GL_UNSIGNED_INT_10_10_10_2;
*no_revert = TRUE;
break;
case PICT_x2b10g10r10:
*no_alpha = 1;
case PICT_a2b10g10r10:
*tex_format = GL_RGBA;
*tex_type = GL_UNSIGNED_INT_10_10_10_2;
*no_revert = TRUE;
break;
case PICT_r5g6b5:
*tex_format = GL_RGB;
*tex_type = GL_UNSIGNED_SHORT_5_6_5;
*no_revert = TRUE;
break;
case PICT_b5g6r5:
*tex_format = GL_RGB;
*tex_type = GL_UNSIGNED_SHORT_5_6_5;
*no_revert = FALSE;
break;
case PICT_x1b5g5r5:
*no_alpha = 1;
case PICT_a1b5g5r5:
*tex_format = GL_RGBA;
*tex_type = GL_UNSIGNED_SHORT_1_5_5_5_REV;
*no_revert = TRUE;
break;
case PICT_x1r5g5b5:
*no_alpha = 1;
case PICT_a1r5g5b5:
*tex_format = GL_BGRA;
*tex_type = GL_UNSIGNED_SHORT_1_5_5_5_REV;
*no_revert = TRUE;
break;
case PICT_a8:
*tex_format = GL_ALPHA;
*tex_type = GL_UNSIGNED_BYTE;
*no_revert = TRUE;
break;
case PICT_x4r4g4b4:
*no_alpha = 1;
case PICT_a4r4g4b4:
*tex_format = GL_BGRA;
*tex_type = GL_UNSIGNED_SHORT_4_4_4_4_REV;
*no_revert = TRUE;
break;
case PICT_x4b4g4r4:
*no_alpha = 1;
case PICT_a4b4g4r4:
*tex_format = GL_RGBA;
*tex_type = GL_UNSIGNED_SHORT_4_4_4_4_REV;
*no_revert = TRUE;
break;
default:
LogMessageVerb(X_INFO, 0, "fail to get matched format for %x \n", format);
return -1;
}
return 0;
}
#endif
static inline int
glamor_get_tex_format_type_from_pixmap(PixmapPtr pixmap,
GLenum *format,
GLenum *type,
int *no_alpha,
int *no_revert)
{
glamor_pixmap_private *pixmap_priv;
PictFormatShort pict_format;
pixmap_priv = glamor_get_pixmap_private(pixmap);
if (GLAMOR_PIXMAP_PRIV_IS_PICTURE(pixmap_priv))
pict_format = pixmap_priv->pict_format;
else
pict_format = format_for_depth(pixmap->drawable.depth);
return glamor_get_tex_format_type_from_pictformat(pict_format,
format, type,
no_alpha, no_revert);
}
/* borrowed from uxa */
static inline Bool
glamor_get_rgba_from_pixel(CARD32 pixel,
float * red,
float * green,
float * blue,
float * alpha,
CARD32 format)
{
int rbits, bbits, gbits, abits;
int rshift, bshift, gshift, ashift;
rbits = PICT_FORMAT_R(format);
gbits = PICT_FORMAT_G(format);
bbits = PICT_FORMAT_B(format);
abits = PICT_FORMAT_A(format);
if (PICT_FORMAT_TYPE(format) == PICT_TYPE_A) {
rshift = gshift = bshift = ashift = 0;
} else if (PICT_FORMAT_TYPE(format) == PICT_TYPE_ARGB) {
bshift = 0;
gshift = bbits;
rshift = gshift + gbits;
ashift = rshift + rbits;
} else if (PICT_FORMAT_TYPE(format) == PICT_TYPE_ABGR) {
rshift = 0;
gshift = rbits;
bshift = gshift + gbits;
ashift = bshift + bbits;
#if XORG_VERSION_CURRENT >= 10699900
} else if (PICT_FORMAT_TYPE(format) == PICT_TYPE_BGRA) {
ashift = 0;
rshift = abits;
if (abits == 0)
rshift = PICT_FORMAT_BPP(format) - (rbits+gbits+bbits);
gshift = rshift + rbits;
bshift = gshift + gbits;
#endif
} else {
return FALSE;
}
#define COLOR_INT_TO_FLOAT(_fc_, _p_, _s_, _bits_) \
*_fc_ = (((_p_) >> (_s_)) & (( 1 << (_bits_)) - 1)) \
/ (float)((1<<(_bits_)) - 1)
if (rbits)
COLOR_INT_TO_FLOAT(red, pixel, rshift, rbits);
else
*red = 0;
if (gbits)
COLOR_INT_TO_FLOAT(green, pixel, gshift, gbits);
else
*green = 0;
if (bbits)
COLOR_INT_TO_FLOAT(blue, pixel, bshift, bbits);
else
*blue = 0;
if (abits)
COLOR_INT_TO_FLOAT(alpha, pixel, ashift, abits);
else
*alpha = 1;
return TRUE;
}
/**
* Returns TRUE if the given planemask covers all the significant bits in the
@ -775,10 +354,6 @@ glamor_es2_pixmap_read_prepare(PixmapPtr source, GLenum *format,
void glamor_set_alu(struct glamor_gl_dispatch * dispatch, unsigned char alu);
Bool glamor_set_planemask(PixmapPtr pixmap, unsigned long planemask);
void glamor_get_transform_uniform_locations(GLint prog,
glamor_transform_uniforms *uniform_locations);
void glamor_set_transform_for_pixmap(PixmapPtr pixmap,
glamor_transform_uniforms *uniform_locations);
Bool glamor_change_window_attributes(WindowPtr pWin, unsigned long mask);
RegionPtr glamor_bitmap_to_region(PixmapPtr pixmap);
Bool glamor_gl_has_extension(char *extension);
@ -977,6 +552,8 @@ glamor_upload_picture_to_texture(PicturePtr picture);
void
glamor_picture_format_fixup(PicturePtr picture, glamor_pixmap_private *pixmap_priv);
#include"glamor_utils.h"
/* Dynamic pixmap upload to texture if needed.
* Sometimes, the target is a gl texture pixmap/picture,
* but the source or mask is in cpu memory. In that case,
@ -984,11 +561,9 @@ glamor_picture_format_fixup(PicturePtr picture, glamor_pixmap_private *pixmap_pr
* fallback the whole process to cpu. Most of the time,
* this will increase performance obviously. */
#define GLAMOR_PIXMAP_DYNAMIC_UPLOAD
#define GLAMOR_DELAYED_FILLING
#include"glamor_utils.h"
#endif /* GLAMOR_PRIV_H */

380
glamor/glamor_utils.h
View File

@ -159,4 +159,384 @@ glamor_transform_boxes(BoxPtr boxes, int nbox, int dx, int dy)
boxes[i].y2 += dy;
}
}
#define ARRAY_SIZE(x) (sizeof(x) / sizeof(x[0]))
#define ALIGN(i,m) (((i) + (m) - 1) & ~((m) - 1))
#define MIN(a,b) ((a) < (b) ? (a) : (b))
#define glamor_check_fbo_size(_glamor_,_w_, _h_) ((_w_) > 0 && (_h_) > 0 \
&& (_w_) < _glamor_->max_fbo_size \
&& (_h_) < _glamor_->max_fbo_size)
#define glamor_check_fbo_depth(_depth_) ( \
_depth_ == 8 \
|| _depth_ == 15 \
|| _depth_ == 16 \
|| _depth_ == 24 \
|| _depth_ == 30 \
|| _depth_ == 32)
#define GLAMOR_PIXMAP_PRIV_IS_PICTURE(pixmap_priv) (pixmap_priv->is_picture == 1)
#define GLAMOR_PIXMAP_PRIV_HAS_FBO(pixmap_priv) (pixmap_priv->gl_fbo == 1)
#define GLAMOR_PIXMAP_PRIV_NEED_VALIDATE(pixmap_priv) \
(GLAMOR_PIXMAP_PRIV_HAS_FBO(pixmap_priv) \
&& (pixmap_priv->pending_op.type != GLAMOR_PENDING_NONE))
#define GLAMOR_PIXMAP_PRIV_NO_PENDING(pixmap_priv) \
(pixmap_priv->pending_op.type == GLAMOR_PENDING_NONE)
#define GLAMOR_CHECK_PENDING_FILL(_dispatch_, _glamor_priv_, _pixmap_priv_) do \
{ \
if (_pixmap_priv_->pending_op.type == GLAMOR_PENDING_FILL) { \
_dispatch_->glUseProgram(_glamor_priv_->solid_prog); \
_dispatch_->glUniform4fv(_glamor_priv_->solid_color_uniform_location, 1, \
_pixmap_priv_->pending_op.fill.color4fv); \
} \
} while(0)
/**
* Borrow from uxa.
*/
static inline CARD32
format_for_depth(int depth)
{
switch (depth) {
case 1: return PICT_a1;
case 4: return PICT_a4;
case 8: return PICT_a8;
case 15: return PICT_x1r5g5b5;
case 16: return PICT_r5g6b5;
default:
case 24: return PICT_x8r8g8b8;
#if XORG_VERSION_CURRENT >= 10699900
case 30: return PICT_x2r10g10b10;
#endif
case 32: return PICT_a8r8g8b8;
}
}
static inline CARD32
format_for_pixmap(PixmapPtr pixmap)
{
glamor_pixmap_private *pixmap_priv;
PictFormatShort pict_format;
pixmap_priv = glamor_get_pixmap_private(pixmap);
if (GLAMOR_PIXMAP_PRIV_IS_PICTURE(pixmap_priv))
pict_format = pixmap_priv->pict_format;
else
pict_format = format_for_depth(pixmap->drawable.depth);
return pict_format;
}
/*
* Map picture's format to the correct gl texture format and type.
* no_alpha is used to indicate whehter we need to wire alpha to 1.
*
* Return 0 if find a matched texture type. Otherwise return -1.
**/
#ifndef GLAMOR_GLES2
static inline int
glamor_get_tex_format_type_from_pictformat(PictFormatShort format,
GLenum *tex_format,
GLenum *tex_type,
int *no_alpha,
int *no_revert)
{
*no_alpha = 0;
*no_revert = 1;
switch (format) {
case PICT_a1:
*tex_format = GL_COLOR_INDEX;
*tex_type = GL_BITMAP;
break;
case PICT_b8g8r8x8:
*no_alpha = 1;
case PICT_b8g8r8a8:
*tex_format = GL_BGRA;
*tex_type = GL_UNSIGNED_INT_8_8_8_8;
break;
case PICT_x8r8g8b8:
*no_alpha = 1;
case PICT_a8r8g8b8:
*tex_format = GL_BGRA;
*tex_type = GL_UNSIGNED_INT_8_8_8_8_REV;
break;
case PICT_x8b8g8r8:
*no_alpha = 1;
case PICT_a8b8g8r8:
*tex_format = GL_RGBA;
*tex_type = GL_UNSIGNED_INT_8_8_8_8_REV;
break;
case PICT_x2r10g10b10:
*no_alpha = 1;
case PICT_a2r10g10b10:
*tex_format = GL_BGRA;
*tex_type = GL_UNSIGNED_INT_2_10_10_10_REV;
break;
case PICT_x2b10g10r10:
*no_alpha = 1;
case PICT_a2b10g10r10:
*tex_format = GL_RGBA;
*tex_type = GL_UNSIGNED_INT_2_10_10_10_REV;
break;
case PICT_r5g6b5:
*tex_format = GL_RGB;
*tex_type = GL_UNSIGNED_SHORT_5_6_5;
break;
case PICT_b5g6r5:
*tex_format = GL_RGB;
*tex_type = GL_UNSIGNED_SHORT_5_6_5_REV;
break;
case PICT_x1b5g5r5:
*no_alpha = 1;
case PICT_a1b5g5r5:
*tex_format = GL_RGBA;
*tex_type = GL_UNSIGNED_SHORT_1_5_5_5_REV;
break;
case PICT_x1r5g5b5:
*no_alpha = 1;
case PICT_a1r5g5b5:
*tex_format = GL_BGRA;
*tex_type = GL_UNSIGNED_SHORT_1_5_5_5_REV;
break;
case PICT_a8:
*tex_format = GL_ALPHA;
*tex_type = GL_UNSIGNED_BYTE;
break;
case PICT_x4r4g4b4:
*no_alpha = 1;
case PICT_a4r4g4b4:
*tex_format = GL_BGRA;
*tex_type = GL_UNSIGNED_SHORT_4_4_4_4_REV;
break;
case PICT_x4b4g4r4:
*no_alpha = 1;
case PICT_a4b4g4r4:
*tex_format = GL_RGBA;
*tex_type = GL_UNSIGNED_SHORT_4_4_4_4_REV;
break;
default:
LogMessageVerb(X_INFO, 0, "fail to get matched format for %x \n", format);
return -1;
}
return 0;
}
#else
#define IS_LITTLE_ENDIAN (IMAGE_BYTE_ORDER == LSBFirst)
static inline int
glamor_get_tex_format_type_from_pictformat(PictFormatShort format,
GLenum *tex_format,
GLenum *tex_type,
int *no_alpha,
int *no_revert)
{
*no_alpha = 0;
*no_revert = IS_LITTLE_ENDIAN;
switch (format) {
case PICT_b8g8r8x8:
*no_alpha = 1;
case PICT_b8g8r8a8:
*tex_format = GL_BGRA;
*tex_type = GL_UNSIGNED_BYTE;
*no_revert = !IS_LITTLE_ENDIAN;
break;
case PICT_x8r8g8b8:
*no_alpha = 1;
case PICT_a8r8g8b8:
*tex_format = GL_BGRA;
*tex_type = GL_UNSIGNED_BYTE;
break;
case PICT_x8b8g8r8:
*no_alpha = 1;
case PICT_a8b8g8r8:
*tex_format = GL_RGBA;
*tex_type = GL_UNSIGNED_BYTE;
break;
case PICT_x2r10g10b10:
*no_alpha = 1;
case PICT_a2r10g10b10:
*tex_format = GL_BGRA;
*tex_type = GL_UNSIGNED_INT_10_10_10_2;
*no_revert = TRUE;
break;
case PICT_x2b10g10r10:
*no_alpha = 1;
case PICT_a2b10g10r10:
*tex_format = GL_RGBA;
*tex_type = GL_UNSIGNED_INT_10_10_10_2;
*no_revert = TRUE;
break;
case PICT_r5g6b5:
*tex_format = GL_RGB;
*tex_type = GL_UNSIGNED_SHORT_5_6_5;
*no_revert = TRUE;
break;
case PICT_b5g6r5:
*tex_format = GL_RGB;
*tex_type = GL_UNSIGNED_SHORT_5_6_5;
*no_revert = FALSE;
break;
case PICT_x1b5g5r5:
*no_alpha = 1;
case PICT_a1b5g5r5:
*tex_format = GL_RGBA;
*tex_type = GL_UNSIGNED_SHORT_1_5_5_5_REV;
*no_revert = TRUE;
break;
case PICT_x1r5g5b5:
*no_alpha = 1;
case PICT_a1r5g5b5:
*tex_format = GL_BGRA;
*tex_type = GL_UNSIGNED_SHORT_1_5_5_5_REV;
*no_revert = TRUE;
break;
case PICT_a8:
*tex_format = GL_ALPHA;
*tex_type = GL_UNSIGNED_BYTE;
*no_revert = TRUE;
break;
case PICT_x4r4g4b4:
*no_alpha = 1;
case PICT_a4r4g4b4:
*tex_format = GL_BGRA;
*tex_type = GL_UNSIGNED_SHORT_4_4_4_4_REV;
*no_revert = TRUE;
break;
case PICT_x4b4g4r4:
*no_alpha = 1;
case PICT_a4b4g4r4:
*tex_format = GL_RGBA;
*tex_type = GL_UNSIGNED_SHORT_4_4_4_4_REV;
*no_revert = TRUE;
break;
default:
LogMessageVerb(X_INFO, 0, "fail to get matched format for %x \n", format);
return -1;
}
return 0;
}
#endif
static inline int
glamor_get_tex_format_type_from_pixmap(PixmapPtr pixmap,
GLenum *format,
GLenum *type,
int *no_alpha,
int *no_revert)
{
glamor_pixmap_private *pixmap_priv;
PictFormatShort pict_format;
pixmap_priv = glamor_get_pixmap_private(pixmap);
if (GLAMOR_PIXMAP_PRIV_IS_PICTURE(pixmap_priv))
pict_format = pixmap_priv->pict_format;
else
pict_format = format_for_depth(pixmap->drawable.depth);
return glamor_get_tex_format_type_from_pictformat(pict_format,
format, type,
no_alpha, no_revert);
}
/* borrowed from uxa */
static inline Bool
glamor_get_rgba_from_pixel(CARD32 pixel,
float * red,
float * green,
float * blue,
float * alpha,
CARD32 format)
{
int rbits, bbits, gbits, abits;
int rshift, bshift, gshift, ashift;
rbits = PICT_FORMAT_R(format);
gbits = PICT_FORMAT_G(format);
bbits = PICT_FORMAT_B(format);
abits = PICT_FORMAT_A(format);
if (PICT_FORMAT_TYPE(format) == PICT_TYPE_A) {
rshift = gshift = bshift = ashift = 0;
} else if (PICT_FORMAT_TYPE(format) == PICT_TYPE_ARGB) {
bshift = 0;
gshift = bbits;
rshift = gshift + gbits;
ashift = rshift + rbits;
} else if (PICT_FORMAT_TYPE(format) == PICT_TYPE_ABGR) {
rshift = 0;
gshift = rbits;
bshift = gshift + gbits;
ashift = bshift + bbits;
#if XORG_VERSION_CURRENT >= 10699900
} else if (PICT_FORMAT_TYPE(format) == PICT_TYPE_BGRA) {
ashift = 0;
rshift = abits;
if (abits == 0)
rshift = PICT_FORMAT_BPP(format) - (rbits+gbits+bbits);
gshift = rshift + rbits;
bshift = gshift + gbits;
#endif
} else {
return FALSE;
}
#define COLOR_INT_TO_FLOAT(_fc_, _p_, _s_, _bits_) \
*_fc_ = (((_p_) >> (_s_)) & (( 1 << (_bits_)) - 1)) \
/ (float)((1<<(_bits_)) - 1)
if (rbits)
COLOR_INT_TO_FLOAT(red, pixel, rshift, rbits);
else
*red = 0;
if (gbits)
COLOR_INT_TO_FLOAT(green, pixel, gshift, gbits);
else
*green = 0;
if (bbits)
COLOR_INT_TO_FLOAT(blue, pixel, bshift, bbits);
else
*blue = 0;
if (abits)
COLOR_INT_TO_FLOAT(alpha, pixel, ashift, abits);
else
*alpha = 1;
return TRUE;
}
#endif