diff options
| -rw-r--r-- | src/mesa/state_tracker/st_cb_readpixels.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/src/mesa/state_tracker/st_cb_readpixels.c b/src/mesa/state_tracker/st_cb_readpixels.c index 620da07e3d1..0507be74578 100644 --- a/src/mesa/state_tracker/st_cb_readpixels.c +++ b/src/mesa/state_tracker/st_cb_readpixels.c @@ -328,7 +328,7 @@ st_readpixels(struct gl_context *ctx, GLint x, GLint y, GLsizei width, GLsizei h { struct st_context *st = st_context(ctx); struct pipe_context *pipe = st->pipe; - GLfloat temp[MAX_WIDTH][4]; + GLfloat (*temp)[4]; const GLbitfield transferOps = ctx->_ImageTransferState; GLsizei i, j; GLint yStep, dfStride; @@ -381,6 +381,13 @@ st_readpixels(struct gl_context *ctx, GLint x, GLint y, GLsizei width, GLsizei h return; } + /* allocate temp pixel row buffer */ + temp = (GLfloat (*)[4]) malloc(4 * width * sizeof(GLfloat)); + if (!temp) { + _mesa_error(ctx, GL_OUT_OF_MEMORY, "glReadPixels"); + return; + } + if (format == GL_RGBA && type == GL_FLOAT) { /* write tile(row) directly into user's buffer */ df = (GLfloat *) _mesa_image_address2d(&clippedPacking, dest, width, @@ -533,6 +540,8 @@ st_readpixels(struct gl_context *ctx, GLint x, GLint y, GLsizei width, GLsizei h } } + free(temp); + pipe->transfer_destroy(pipe, trans); _mesa_unmap_pbo_dest(ctx, &clippedPacking); |