diff options
Diffstat (limited to 'mesalib/src/mesa/state_tracker/st_cb_readpixels.c')
| -rw-r--r-- | mesalib/src/mesa/state_tracker/st_cb_readpixels.c | 40 |
1 files changed, 38 insertions, 2 deletions
diff --git a/mesalib/src/mesa/state_tracker/st_cb_readpixels.c b/mesalib/src/mesa/state_tracker/st_cb_readpixels.c index e2b29fe30..7fa1672fd 100644 --- a/mesalib/src/mesa/state_tracker/st_cb_readpixels.c +++ b/mesalib/src/mesa/state_tracker/st_cb_readpixels.c @@ -387,6 +387,8 @@ st_readpixels(struct gl_context *ctx, GLint x, GLint y, GLsizei width, GLsizei h GLsizei i, j; GLint yStep, dfStride; GLfloat *df; + GLuint *dui; + GLint *di; struct st_renderbuffer *strb; struct gl_pixelstore_attrib clippedPacking = *pack; struct pipe_transfer *trans; @@ -454,10 +456,13 @@ st_readpixels(struct gl_context *ctx, GLint x, GLint y, GLsizei width, GLsizei h } else { /* write tile(row) into temp row buffer */ - df = (GLfloat *) temp; + df = (GLfloat *)temp; dfStride = 0; } + dui = (GLuint *)df; + di = (GLint *)df; + if (st_fb_orientation(ctx->ReadBuffer) == Y_0_TOP) { /* convert GL Y to Gallium Y */ y = strb->Base.Height - y - height; @@ -611,7 +616,38 @@ st_readpixels(struct gl_context *ctx, GLint x, GLint y, GLsizei width, GLsizei h dst += dstStride; } } - else { + else if (util_format_is_pure_sint(pformat)) { + for (i = 0; i < height; i++) { + if (type == GL_UNSIGNED_INT) + pipe_get_tile_ui_format(pipe, trans, 0, y, width, 1, + pformat, dui); + else + pipe_get_tile_i_format(pipe, trans, 0, y, width, 1, + pformat, di); + y += yStep; + if (!dfStride) { + _mesa_pack_rgba_span_int(ctx, width, (GLuint (*)[4])temp, + format, type, dst); + dst += dstStride; + } + } + } else if (util_format_is_pure_uint(pformat)) { + for (i = 0; i < height; i++) { + if (type == GL_UNSIGNED_INT) + pipe_get_tile_ui_format(pipe, trans, 0, y, width, 1, + pformat, dui); + else + pipe_get_tile_i_format(pipe, trans, 0, y, width, 1, + pformat, di); + y += yStep; + df += dfStride; + if (!dfStride) { + _mesa_pack_rgba_span_int(ctx, width, (GLuint (*)[4])temp, + format, type, dst); + dst += dstStride; + } + } + } else { /* RGBA format */ /* Do a row at a time to flip image data vertically */ for (i = 0; i < height; i++) { |