diff options
| -rw-r--r-- | src/mesa/swrast/s_zoom.c | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/src/mesa/swrast/s_zoom.c b/src/mesa/swrast/s_zoom.c index 73bff482b9a..3a0e0b626d1 100644 --- a/src/mesa/swrast/s_zoom.c +++ b/src/mesa/swrast/s_zoom.c @@ -362,7 +362,7 @@ _swrast_write_zoomed_stencil_span(struct gl_context *ctx, GLint imgX, GLint imgY GLint width, GLint spanX, GLint spanY, const GLubyte stencil[]) { - GLubyte zoomedVals[MAX_WIDTH]; + GLubyte *zoomedVals; GLint x0, x1, y0, y1, y; GLint i, zoomedWidth; @@ -375,6 +375,10 @@ _swrast_write_zoomed_stencil_span(struct gl_context *ctx, GLint imgX, GLint imgY ASSERT(zoomedWidth > 0); ASSERT(zoomedWidth <= MAX_WIDTH); + zoomedVals = (GLubyte *) malloc(zoomedWidth * sizeof(GLubyte)); + if (!zoomedVals) + return; + /* zoom the span horizontally */ for (i = 0; i < zoomedWidth; i++) { GLint j = unzoom_x(ctx->Pixel.ZoomX, imgX, x0 + i) - spanX; @@ -387,6 +391,8 @@ _swrast_write_zoomed_stencil_span(struct gl_context *ctx, GLint imgX, GLint imgY for (y = y0; y < y1; y++) { _swrast_write_stencil_span(ctx, zoomedWidth, x0, y, zoomedVals); } + + free(zoomedVals); } @@ -401,7 +407,7 @@ _swrast_write_zoomed_z_span(struct gl_context *ctx, GLint imgX, GLint imgY, { struct gl_renderbuffer *rb = ctx->DrawBuffer->Attachment[BUFFER_DEPTH].Renderbuffer; - GLuint zoomedVals[MAX_WIDTH]; + GLuint *zoomedVals; GLint x0, x1, y0, y1, y; GLint i, zoomedWidth; @@ -414,6 +420,10 @@ _swrast_write_zoomed_z_span(struct gl_context *ctx, GLint imgX, GLint imgY, ASSERT(zoomedWidth > 0); ASSERT(zoomedWidth <= MAX_WIDTH); + zoomedVals = (GLuint *) malloc(zoomedWidth * sizeof(GLuint)); + if (!zoomedVals) + return; + /* zoom the span horizontally */ for (i = 0; i < zoomedWidth; i++) { GLint j = unzoom_x(ctx->Pixel.ZoomX, imgX, x0 + i) - spanX; @@ -427,4 +437,6 @@ _swrast_write_zoomed_z_span(struct gl_context *ctx, GLint imgX, GLint imgY, GLubyte *dst = _swrast_pixel_address(rb, x0, y); _mesa_pack_uint_z_row(rb->Format, zoomedWidth, zoomedVals, dst); } + + free(zoomedVals); } |