diff options
| -rw-r--r-- | src/mesa/state_tracker/st_cb_drawpixels.c | 25 |
1 files changed, 23 insertions, 2 deletions
diff --git a/src/mesa/state_tracker/st_cb_drawpixels.c b/src/mesa/state_tracker/st_cb_drawpixels.c index d92d29e9610..588daf79b21 100644 --- a/src/mesa/state_tracker/st_cb_drawpixels.c +++ b/src/mesa/state_tracker/st_cb_drawpixels.c @@ -630,6 +630,7 @@ draw_stencil_pixels(GLcontext *ctx, GLint x, GLint y, struct pipe_context *pipe = st->pipe; struct pipe_screen *screen = pipe->screen; struct st_renderbuffer *strb; + enum pipe_transfer_usage usage; struct pipe_transfer *pt; const GLboolean zoom = ctx->Pixel.ZoomX != 1.0 || ctx->Pixel.ZoomY != 1.0; GLint skipPixels; @@ -642,8 +643,14 @@ draw_stencil_pixels(GLcontext *ctx, GLint x, GLint y, y = ctx->DrawBuffer->Height - y - height; } + if(format == GL_DEPTH_STENCIL && + pf_get_component_bits( strb->format, PIPE_FORMAT_COMP_Z ) != 0) + usage = PIPE_TRANSFER_READ_WRITE; + else + usage = PIPE_TRANSFER_WRITE; + pt = st_cond_flush_get_tex_transfer(st_context(ctx), strb->texture, 0, 0, 0, - PIPE_TRANSFER_WRITE, x, y, + usage, x, y, width, height); stmap = screen->transfer_map(screen, pt); @@ -694,6 +701,7 @@ draw_stencil_pixels(GLcontext *ctx, GLint x, GLint y, case PIPE_FORMAT_S8_UNORM: { ubyte *dest = stmap + spanY * pt->stride + spanX; + assert(usage == PIPE_TRANSFER_WRITE); memcpy(dest, sValues, spanWidth); } break; @@ -701,6 +709,7 @@ draw_stencil_pixels(GLcontext *ctx, GLint x, GLint y, if (format == GL_DEPTH_STENCIL) { uint *dest = (uint *) (stmap + spanY * pt->stride + spanX*4); GLint k; + assert(usage == PIPE_TRANSFER_WRITE); for (k = 0; k < spanWidth; k++) { dest[k] = zValues[k] | (sValues[k] << 24); } @@ -708,6 +717,7 @@ draw_stencil_pixels(GLcontext *ctx, GLint x, GLint y, else { uint *dest = (uint *) (stmap + spanY * pt->stride + spanX*4); GLint k; + assert(usage == PIPE_TRANSFER_READ_WRITE); for (k = 0; k < spanWidth; k++) { dest[k] = (dest[k] & 0xffffff) | (sValues[k] << 24); } @@ -717,6 +727,7 @@ draw_stencil_pixels(GLcontext *ctx, GLint x, GLint y, if (format == GL_DEPTH_STENCIL) { uint *dest = (uint *) (stmap + spanY * pt->stride + spanX*4); GLint k; + assert(usage == PIPE_TRANSFER_WRITE); for (k = 0; k < spanWidth; k++) { dest[k] = (zValues[k] << 8) | (sValues[k] & 0xff); } @@ -724,6 +735,7 @@ draw_stencil_pixels(GLcontext *ctx, GLint x, GLint y, else { uint *dest = (uint *) (stmap + spanY * pt->stride + spanX*4); GLint k; + assert(usage == PIPE_TRANSFER_READ_WRITE); for (k = 0; k < spanWidth; k++) { dest[k] = (dest[k] & 0xffffff00) | (sValues[k] & 0xff); } @@ -811,6 +823,7 @@ copy_stencil_pixels(GLcontext *ctx, GLint srcx, GLint srcy, { struct st_renderbuffer *rbDraw = st_renderbuffer(ctx->DrawBuffer->_StencilBuffer); struct pipe_screen *screen = ctx->st->pipe->screen; + enum pipe_transfer_usage usage; struct pipe_transfer *ptDraw; ubyte *drawMap; ubyte *buffer; @@ -827,9 +840,14 @@ copy_stencil_pixels(GLcontext *ctx, GLint srcx, GLint srcy, GL_STENCIL_INDEX, GL_UNSIGNED_BYTE, &ctx->DefaultPacking, buffer); + if(pf_get_component_bits( ptDraw->format, PIPE_FORMAT_COMP_Z ) != 0) + usage = PIPE_TRANSFER_READ_WRITE; + else + usage = PIPE_TRANSFER_WRITE; + ptDraw = st_cond_flush_get_tex_transfer(st_context(ctx), rbDraw->texture, 0, 0, 0, - PIPE_TRANSFER_WRITE, dstx, dsty, + usage, dstx, dsty, width, height); assert(ptDraw->block.width == 1); @@ -859,6 +877,7 @@ copy_stencil_pixels(GLcontext *ctx, GLint srcx, GLint srcy, { uint *dst4 = (uint *) dst; int j; + assert(usage == PIPE_TRANSFER_READ_WRITE); for (j = 0; j < width; j++) { *dst4 = (*dst4 & 0xffffff) | (src[j] << 24); dst4++; @@ -869,6 +888,7 @@ copy_stencil_pixels(GLcontext *ctx, GLint srcx, GLint srcy, { uint *dst4 = (uint *) dst; int j; + assert(usage == PIPE_TRANSFER_READ_WRITE); for (j = 0; j < width; j++) { *dst4 = (*dst4 & 0xffffff00) | (src[j] & 0xff); dst4++; @@ -876,6 +896,7 @@ copy_stencil_pixels(GLcontext *ctx, GLint srcx, GLint srcy, } break; case PIPE_FORMAT_S8_UNORM: + assert(usage == PIPE_TRANSFER_WRITE); memcpy(dst, src, width); break; default: |