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glamor: Drop dead glamor_es2_pixmap_read_prepare().

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It's been unused since I killed glamor_download_pixmap_to_cpu().

Signed-off-by: Eric Anholt <eric@anholt.net>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Eric Anholt 2015-06-30 14:45:43 -07:00
parent cad56dc62d
commit a8e84e8c3b
2 changed files with 0 additions and 76 deletions
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70
glamor/glamor_pixmap.c
View File

@ -1059,73 +1059,3 @@ glamor_upload_pixmap_to_texture(PixmapPtr pixmap)
return ret;
}
/*
* as gles2 only support a very small set of color format and
* type when do glReadPixel,
* Before we use glReadPixels to get back a textured pixmap,
* Use shader to convert it to a supported format and thus
* get a new temporary pixmap returned.
* */
glamor_pixmap_fbo *
glamor_es2_pixmap_read_prepare(PixmapPtr source, int x, int y, int w, int h,
GLenum format, GLenum type, int no_alpha,
int revert, int swap_rb)
{
glamor_pixmap_private *source_priv;
glamor_screen_private *glamor_priv;
ScreenPtr screen;
glamor_pixmap_fbo *temp_fbo;
float temp_xscale, temp_yscale, source_xscale, source_yscale;
static float vertices[8];
static float texcoords[8];
screen = source->drawable.pScreen;
glamor_priv = glamor_get_screen_private(screen);
source_priv = glamor_get_pixmap_private(source);
temp_fbo = glamor_create_fbo(glamor_priv, w, h, format, 0);
if (temp_fbo == NULL)
return NULL;
glamor_make_current(glamor_priv);
temp_xscale = 1.0 / w;
temp_yscale = 1.0 / h;
glamor_set_normalize_vcoords((struct glamor_pixmap_private *) NULL,
temp_xscale, temp_yscale, 0, 0, w, h,
vertices);
glVertexAttribPointer(GLAMOR_VERTEX_POS, 2, GL_FLOAT, GL_FALSE,
2 * sizeof(float), vertices);
glEnableVertexAttribArray(GLAMOR_VERTEX_POS);
pixmap_priv_get_scale(source_priv, &source_xscale, &source_yscale);
glamor_set_normalize_tcoords(source_priv, source_xscale,
source_yscale,
x, y,
x + w, y + h,
texcoords);
glVertexAttribPointer(GLAMOR_VERTEX_SOURCE, 2, GL_FLOAT, GL_FALSE,
2 * sizeof(float), texcoords);
glEnableVertexAttribArray(GLAMOR_VERTEX_SOURCE);
glActiveTexture(GL_TEXTURE0);
glBindTexture(GL_TEXTURE_2D, source_priv->fbo->tex);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
glamor_set_destination_pixmap_fbo(glamor_priv, temp_fbo, 0, 0, w, h);
glamor_set_alu(screen, GXcopy);
glUseProgram(glamor_priv->finish_access_prog[no_alpha]);
glUniform1i(glamor_priv->finish_access_revert[no_alpha], revert);
glUniform1i(glamor_priv->finish_access_swap_rb[no_alpha], swap_rb);
glDrawArrays(GL_TRIANGLE_FAN, 0, 4);
glDisableVertexAttribArray(GLAMOR_VERTEX_POS);
glDisableVertexAttribArray(GLAMOR_VERTEX_SOURCE);
return temp_fbo;
}

6
glamor/glamor_priv.h
View File

@ -626,12 +626,6 @@ void glamor_set_destination_pixmap_fbo(glamor_screen_private *glamor_priv, glamo
* */
void glamor_set_destination_pixmap_priv_nc(glamor_screen_private *glamor_priv, PixmapPtr pixmap, glamor_pixmap_private *pixmap_priv);
glamor_pixmap_fbo *glamor_es2_pixmap_read_prepare(PixmapPtr source, int x,
int y, int w, int h,
GLenum format, GLenum type,
int no_alpha, int revert,
int swap_rb);
Bool glamor_set_alu(ScreenPtr screen, unsigned char alu);
Bool glamor_set_planemask(int depth, unsigned long planemask);
RegionPtr glamor_bitmap_to_region(PixmapPtr pixmap);