Merge commit 'origin/gallium-context-transfers-2'

9 files changed, 85 insertions, 101 deletions

diff --git a/src/mesa/state_tracker/st_atom_pixeltransfer.c b/src/mesa/state_tracker/st_atom_pixeltransfer.c
index 0b2e3f5381..b446b2079c 100644
--- a/src/mesa/state_tracker/st_atom_pixeltransfer.c
+++ b/src/mesa/state_tracker/st_atom_pixeltransfer.c
@@ -138,7 +138,6 @@ static void
 load_color_map_texture(GLcontext *ctx, struct pipe_texture *pt)
 {
    struct pipe_context *pipe = ctx->st->pipe;
-   struct pipe_screen *screen = pipe->screen;
    struct pipe_transfer *transfer;
    const GLuint rSize = ctx->PixelMaps.RtoR.Size;
    const GLuint gSize = ctx->PixelMaps.GtoG.Size;
@@ -151,7 +150,7 @@ load_color_map_texture(GLcontext *ctx, struct pipe_texture *pt)
    transfer = st_cond_flush_get_tex_transfer(st_context(ctx),
 					     pt, 0, 0, 0, PIPE_TRANSFER_WRITE,
 					     0, 0, texSize, texSize);
-   dest = (uint *) screen->transfer_map(screen, transfer);
+   dest = (uint *) pipe->transfer_map(pipe, transfer);
 
    /* Pack four 1D maps into a 2D texture:
     * R map is placed horizontally, indexed by S, in channel 0
@@ -172,8 +171,8 @@ load_color_map_texture(GLcontext *ctx, struct pipe_texture *pt)
       }
    }
 
-   screen->transfer_unmap(screen, transfer);
-   screen->tex_transfer_destroy(transfer);
+   pipe->transfer_unmap(pipe, transfer);
+   pipe->tex_transfer_destroy(pipe, transfer);
 }
 
 
diff --git a/src/mesa/state_tracker/st_cb_accum.c b/src/mesa/state_tracker/st_cb_accum.c
index 33e43ddcc4..01aba3e3dd 100644
--- a/src/mesa/state_tracker/st_cb_accum.c
+++ b/src/mesa/state_tracker/st_cb_accum.c
@@ -129,7 +129,6 @@ accum_accum(struct st_context *st, GLfloat value,
             struct st_renderbuffer *color_strb)
 {
    struct pipe_context *pipe = st->pipe;
-   struct pipe_screen *screen = pipe->screen;
    struct pipe_transfer *color_trans;
    size_t stride = acc_strb->stride;
    GLubyte *data = acc_strb->data;
@@ -145,7 +144,7 @@ accum_accum(struct st_context *st, GLfloat value,
 
    buf = (GLfloat *) malloc(width * height * 4 * sizeof(GLfloat));
 
-   pipe_get_tile_rgba(color_trans, 0, 0, width, height, buf);
+   pipe_get_tile_rgba(pipe, color_trans, 0, 0, width, height, buf);
 
    switch (acc_strb->format) {
    case PIPE_FORMAT_R16G16B16A16_SNORM:
@@ -166,7 +165,7 @@ accum_accum(struct st_context *st, GLfloat value,
    }
 
    free(buf);
-   screen->tex_transfer_destroy(color_trans);
+   pipe->tex_transfer_destroy(pipe, color_trans);
 }
 
 
@@ -177,7 +176,6 @@ accum_load(struct st_context *st, GLfloat value,
            struct st_renderbuffer *color_strb)
 {
    struct pipe_context *pipe = st->pipe;
-   struct pipe_screen *screen = pipe->screen;
    struct pipe_transfer *color_trans;
    size_t stride = acc_strb->stride;
    GLubyte *data = acc_strb->data;
@@ -194,7 +192,7 @@ accum_load(struct st_context *st, GLfloat value,
 
    buf = (GLfloat *) malloc(width * height * 4 * sizeof(GLfloat));
 
-   pipe_get_tile_rgba(color_trans, 0, 0, width, height, buf);
+   pipe_get_tile_rgba(pipe, color_trans, 0, 0, width, height, buf);
 
    switch (acc_strb->format) {
    case PIPE_FORMAT_R16G16B16A16_SNORM:
@@ -215,7 +213,7 @@ accum_load(struct st_context *st, GLfloat value,
    }
 
    free(buf);
-   screen->tex_transfer_destroy(color_trans);
+   pipe->tex_transfer_destroy(pipe, color_trans);
 }
 
 
@@ -226,7 +224,6 @@ accum_return(GLcontext *ctx, GLfloat value,
              struct st_renderbuffer *color_strb)
 {
    struct pipe_context *pipe = ctx->st->pipe;
-   struct pipe_screen *screen = pipe->screen;
    const GLubyte *colormask = ctx->Color.ColorMask[0];
    enum pipe_transfer_usage usage;
    struct pipe_transfer *color_trans;
@@ -251,7 +248,7 @@ accum_return(GLcontext *ctx, GLfloat value,
 						width, height);
 
    if (usage & PIPE_TRANSFER_READ)
-      pipe_get_tile_rgba(color_trans, 0, 0, width, height, buf);
+      pipe_get_tile_rgba(pipe, color_trans, 0, 0, width, height, buf);
 
    switch (acc_strb->format) {
    case PIPE_FORMAT_R16G16B16A16_SNORM:
@@ -280,10 +277,10 @@ accum_return(GLcontext *ctx, GLfloat value,
       _mesa_problem(NULL, "unexpected format in st_clear_accum_buffer()");
    }
 
-   pipe_put_tile_rgba(color_trans, 0, 0, width, height, buf);
+   pipe_put_tile_rgba(pipe, color_trans, 0, 0, width, height, buf);
 
    free(buf);
-   screen->tex_transfer_destroy(color_trans);
+   pipe->tex_transfer_destroy(pipe, color_trans);
 }
 
 
diff --git a/src/mesa/state_tracker/st_cb_bitmap.c b/src/mesa/state_tracker/st_cb_bitmap.c
index f326601c3b..dfd8925edf 100644
--- a/src/mesa/state_tracker/st_cb_bitmap.c
+++ b/src/mesa/state_tracker/st_cb_bitmap.c
@@ -259,7 +259,6 @@ make_bitmap_texture(GLcontext *ctx, GLsizei width, GLsizei height,
                     const GLubyte *bitmap)
 {
    struct pipe_context *pipe = ctx->st->pipe;
-   struct pipe_screen *screen = pipe->screen;
    struct pipe_transfer *transfer;
    ubyte *dest;
    struct pipe_texture *pt;
@@ -285,7 +284,7 @@ make_bitmap_texture(GLcontext *ctx, GLsizei width, GLsizei height,
 					   PIPE_TRANSFER_WRITE,
 					   0, 0, width, height);
 
-   dest = screen->transfer_map(screen, transfer);
+   dest = pipe->transfer_map(pipe, transfer);
 
    /* Put image into texture transfer */
    memset(dest, 0xff, height * transfer->stride);
@@ -295,8 +294,8 @@ make_bitmap_texture(GLcontext *ctx, GLsizei width, GLsizei height,
    _mesa_unmap_pbo_source(ctx, unpack);
 
    /* Release transfer */
-   screen->transfer_unmap(screen, transfer);
-   screen->tex_transfer_destroy(transfer);
+   pipe->transfer_unmap(pipe, transfer);
+   pipe->tex_transfer_destroy(pipe, transfer);
 
    return pt;
 }
@@ -520,7 +519,6 @@ static void
 reset_cache(struct st_context *st)
 {
    struct pipe_context *pipe = st->pipe;
-   struct pipe_screen *screen = pipe->screen;
    struct bitmap_cache *cache = st->bitmap.cache;
 
    /*memset(cache->buffer, 0xff, sizeof(cache->buffer));*/
@@ -532,7 +530,7 @@ reset_cache(struct st_context *st)
    cache->ymax = -1000000;
 
    if (cache->trans) {
-      screen->tex_transfer_destroy(cache->trans);
+      pipe->tex_transfer_destroy(pipe, cache->trans);
       cache->trans = NULL;
    }
 
@@ -570,7 +568,6 @@ static void
 create_cache_trans(struct st_context *st)
 {
    struct pipe_context *pipe = st->pipe;
-   struct pipe_screen *screen = pipe->screen;
    struct bitmap_cache *cache = st->bitmap.cache;
 
    if (cache->trans)
@@ -583,7 +580,7 @@ create_cache_trans(struct st_context *st)
 					       PIPE_TRANSFER_WRITE, 0, 0,
 					       BITMAP_CACHE_WIDTH,
 					       BITMAP_CACHE_HEIGHT);
-   cache->buffer = screen->transfer_map(screen, cache->trans);
+   cache->buffer = pipe->transfer_map(pipe, cache->trans);
 
    /* init image to all 0xff */
    memset(cache->buffer, 0xff, cache->trans->stride * BITMAP_CACHE_HEIGHT);
@@ -601,7 +598,6 @@ st_flush_bitmap_cache(struct st_context *st)
 
       if (st->ctx->DrawBuffer) {
          struct pipe_context *pipe = st->pipe;
-         struct pipe_screen *screen = pipe->screen;
 
          assert(cache->xmin <= cache->xmax);
  
@@ -617,10 +613,10 @@ st_flush_bitmap_cache(struct st_context *st)
          if (cache->trans) {
             if (0)
                print_cache(cache);
-            screen->transfer_unmap(screen, cache->trans);
+            pipe->transfer_unmap(pipe, cache->trans);
             cache->buffer = NULL;
 
-            screen->tex_transfer_destroy(cache->trans);
+            pipe->tex_transfer_destroy(pipe, cache->trans);
             cache->trans = NULL;
          }
 
@@ -823,7 +819,6 @@ void
 st_destroy_bitmap(struct st_context *st)
 {
    struct pipe_context *pipe = st->pipe;
-   struct pipe_screen *screen = pipe->screen;
    struct bitmap_cache *cache = st->bitmap.cache;
 
 
@@ -840,8 +835,8 @@ st_destroy_bitmap(struct st_context *st)
 
    if (cache) {
       if (cache->trans) {
-         screen->transfer_unmap(screen, cache->trans);
-         screen->tex_transfer_destroy(cache->trans);
+         pipe->transfer_unmap(pipe, cache->trans);
+         pipe->tex_transfer_destroy(pipe, cache->trans);
       }
       pipe_texture_reference(&st->bitmap.cache->texture, NULL);
       free(st->bitmap.cache);
diff --git a/src/mesa/state_tracker/st_cb_drawpixels.c b/src/mesa/state_tracker/st_cb_drawpixels.c
index 8eb76f4131..c44d0fc3e8 100644
--- a/src/mesa/state_tracker/st_cb_drawpixels.c
+++ b/src/mesa/state_tracker/st_cb_drawpixels.c
@@ -349,7 +349,6 @@ make_texture(struct st_context *st,
 {
    GLcontext *ctx = st->ctx;
    struct pipe_context *pipe = st->pipe;
-   struct pipe_screen *screen = pipe->screen;
    gl_format mformat;
    struct pipe_texture *pt;
    enum pipe_format pipeFormat;
@@ -391,7 +390,7 @@ make_texture(struct st_context *st,
 					      width, height);
 
       /* map texture transfer */
-      dest = screen->transfer_map(screen, transfer);
+      dest = pipe->transfer_map(pipe, transfer);
 
 
       /* Put image into texture transfer.
@@ -411,8 +410,8 @@ make_texture(struct st_context *st,
                                unpack);
 
       /* unmap */
-      screen->transfer_unmap(screen, transfer);
-      screen->tex_transfer_destroy(transfer);
+      pipe->transfer_unmap(pipe, transfer);
+      pipe->tex_transfer_destroy(pipe, transfer);
 
       assert(success);
 
@@ -658,7 +657,6 @@ draw_stencil_pixels(GLcontext *ctx, GLint x, GLint y,
 {
    struct st_context *st = st_context(ctx);
    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;
@@ -692,7 +690,7 @@ draw_stencil_pixels(GLcontext *ctx, GLint x, GLint y,
 				       usage, x, y,
 				       width, height);
 
-   stmap = screen->transfer_map(screen, pt);
+   stmap = pipe->transfer_map(pipe, pt);
 
    pixels = _mesa_map_pbo_source(ctx, &clippedUnpack, pixels);
    assert(pixels);
@@ -792,8 +790,8 @@ draw_stencil_pixels(GLcontext *ctx, GLint x, GLint y,
    _mesa_unmap_pbo_source(ctx, &clippedUnpack);
 
    /* unmap the stencil buffer */
-   screen->transfer_unmap(screen, pt);
-   screen->tex_transfer_destroy(pt);
+   pipe->transfer_unmap(pipe, pt);
+   pipe->tex_transfer_destroy(pipe, pt);
 }
 
 
@@ -856,7 +854,7 @@ copy_stencil_pixels(GLcontext *ctx, GLint srcx, GLint srcy,
                     GLint dstx, GLint dsty)
 {
    struct st_renderbuffer *rbDraw = st_renderbuffer(ctx->DrawBuffer->_StencilBuffer);
-   struct pipe_screen *screen = ctx->st->pipe->screen;
+   struct pipe_context *pipe = ctx->st->pipe;
    enum pipe_transfer_usage usage;
    struct pipe_transfer *ptDraw;
    ubyte *drawMap;
@@ -892,7 +890,7 @@ copy_stencil_pixels(GLcontext *ctx, GLint srcx, GLint srcy,
    assert(util_format_get_blockheight(ptDraw->texture->format) == 1);
 
    /* map the stencil buffer */
-   drawMap = screen->transfer_map(screen, ptDraw);
+   drawMap = pipe->transfer_map(pipe, ptDraw);
 
    /* draw */
    /* XXX PixelZoom not handled yet */
@@ -945,8 +943,8 @@ copy_stencil_pixels(GLcontext *ctx, GLint srcx, GLint srcy,
    free(buffer);
 
    /* unmap the stencil buffer */
-   screen->transfer_unmap(screen, ptDraw);
-   screen->tex_transfer_destroy(ptDraw);
+   pipe->transfer_unmap(pipe, ptDraw);
+   pipe->tex_transfer_destroy(pipe, ptDraw);
 }
 
 
@@ -1084,8 +1082,8 @@ st_CopyPixels(GLcontext *ctx, GLint srcx, GLint srcy,
 
       if (0) {
          /* debug */
-         debug_dump_surface("copypixsrcsurf", psRead);
-         debug_dump_surface("copypixtemptex", psTex);
+         debug_dump_surface(pipe, "copypixsrcsurf", psRead);
+         debug_dump_surface(pipe, "copypixtemptex", psTex);
       }
 
       pipe_surface_reference(&psRead, NULL); 
@@ -1115,21 +1113,21 @@ st_CopyPixels(GLcontext *ctx, GLint srcx, GLint srcy,
          /* alternate path using get/put_tile() */
          GLfloat *buf = (GLfloat *) malloc(width * height * 4 * sizeof(GLfloat));
 
-         pipe_get_tile_rgba(ptRead, 0, 0, width, height, buf);
-         pipe_put_tile_rgba(ptTex, 0, 0, width, height, buf);
+         pipe_get_tile_rgba(pipe, ptRead, 0, 0, width, height, buf);
+         pipe_put_tile_rgba(pipe, ptTex, 0, 0, width, height, buf);
 
          free(buf);
       }
       else {
          /* GL_DEPTH */
          GLuint *buf = (GLuint *) malloc(width * height * sizeof(GLuint));
-         pipe_get_tile_z(ptRead, 0, 0, width, height, buf);
-         pipe_put_tile_z(ptTex, 0, 0, width, height, buf);
+         pipe_get_tile_z(pipe, ptRead, 0, 0, width, height, buf);
+         pipe_put_tile_z(pipe, ptTex, 0, 0, width, height, buf);
          free(buf);
       }
 
-      screen->tex_transfer_destroy(ptRead);
-      screen->tex_transfer_destroy(ptTex);
+      pipe->tex_transfer_destroy(pipe, ptRead);
+      pipe->tex_transfer_destroy(pipe, ptTex);
    }
 
    /* draw textured quad */
diff --git a/src/mesa/state_tracker/st_cb_readpixels.c b/src/mesa/state_tracker/st_cb_readpixels.c
index 8cc9cfac76..080a5f9bfb 100644
--- a/src/mesa/state_tracker/st_cb_readpixels.c
+++ b/src/mesa/state_tracker/st_cb_readpixels.c
@@ -63,7 +63,7 @@ st_read_stencil_pixels(GLcontext *ctx, GLint x, GLint y,
                        GLvoid *pixels)
 {
    struct gl_framebuffer *fb = ctx->ReadBuffer;
-   struct pipe_screen *screen = ctx->st->pipe->screen;
+   struct pipe_context *pipe = ctx->st->pipe;
    struct st_renderbuffer *strb = st_renderbuffer(fb->_StencilBuffer);
    struct pipe_transfer *pt;
    ubyte *stmap;
@@ -81,7 +81,7 @@ st_read_stencil_pixels(GLcontext *ctx, GLint x, GLint y,
 				       width, height);
 
    /* map the stencil buffer */
-   stmap = screen->transfer_map(screen, pt);
+   stmap = pipe->transfer_map(pipe, pt);
 
    /* width should never be > MAX_WIDTH since we did clipping earlier */
    ASSERT(width <= MAX_WIDTH);
@@ -161,8 +161,8 @@ st_read_stencil_pixels(GLcontext *ctx, GLint x, GLint y,
    }
 
    /* unmap the stencil buffer */
-   screen->transfer_unmap(screen, pt);
-   screen->tex_transfer_destroy(pt);
+   pipe->transfer_unmap(pipe, pt);
+   pipe->tex_transfer_destroy(pipe, pt);
 }
 
 
@@ -234,7 +234,6 @@ st_fast_readpixels(GLcontext *ctx, struct st_renderbuffer *strb,
 
    {
       struct pipe_context *pipe = ctx->st->pipe;
-      struct pipe_screen *screen = pipe->screen;
       struct pipe_transfer *trans;
       const GLubyte *map;
       GLubyte *dst;
@@ -253,9 +252,9 @@ st_fast_readpixels(GLcontext *ctx, struct st_renderbuffer *strb,
          return GL_FALSE;
       }
 
-      map = screen->transfer_map(screen, trans);
+      map = pipe->transfer_map(pipe, trans);
       if (!map) {
-         screen->tex_transfer_destroy(trans);
+         pipe->tex_transfer_destroy(pipe, trans);
          return GL_FALSE;
       }
 
@@ -317,8 +316,8 @@ st_fast_readpixels(GLcontext *ctx, struct st_renderbuffer *strb,
          ; /* nothing */
       }
 
-      screen->transfer_unmap(screen, trans);
-      screen->tex_transfer_destroy(trans);
+      pipe->transfer_unmap(pipe, trans);
+      pipe->tex_transfer_destroy(pipe, trans);
    }
 
    return GL_TRUE;
@@ -337,7 +336,6 @@ st_readpixels(GLcontext *ctx, GLint x, GLint y, GLsizei width, GLsizei height,
               GLvoid *dest)
 {
    struct pipe_context *pipe = ctx->st->pipe;
-   struct pipe_screen *screen = pipe->screen;
    GLfloat temp[MAX_WIDTH][4];
    const GLbitfield transferOps = ctx->_ImageTransferState;
    GLsizei i, j;
@@ -443,7 +441,7 @@ st_readpixels(GLcontext *ctx, GLint x, GLint y, GLsizei width, GLsizei height,
                GLuint ztemp[MAX_WIDTH];
                GLfloat zfloat[MAX_WIDTH];
                const double scale = 1.0 / ((1 << 24) - 1);
-               pipe_get_tile_raw(trans, 0, y, width, 1, ztemp, 0);
+               pipe_get_tile_raw(pipe, trans, 0, y, width, 1, ztemp, 0);
                y += yStep;
                for (j = 0; j < width; j++) {
                   zfloat[j] = (float) (scale * (ztemp[j] & 0xffffff));
@@ -458,7 +456,7 @@ st_readpixels(GLcontext *ctx, GLint x, GLint y, GLsizei width, GLsizei height,
             assert(format == GL_DEPTH_STENCIL_EXT);
             for (i = 0; i < height; i++) {
                GLuint *zshort = (GLuint *)dst;
-               pipe_get_tile_raw(trans, 0, y, width, 1, dst, 0);
+               pipe_get_tile_raw(pipe, trans, 0, y, width, 1, dst, 0);
                y += yStep;
                /* Reverse into 24/8 */
                for (j = 0; j < width; j++) {
@@ -475,7 +473,7 @@ st_readpixels(GLcontext *ctx, GLint x, GLint y, GLsizei width, GLsizei height,
                GLuint ztemp[MAX_WIDTH];
                GLfloat zfloat[MAX_WIDTH];
                const double scale = 1.0 / ((1 << 24) - 1);
-               pipe_get_tile_raw(trans, 0, y, width, 1, ztemp, 0);
+               pipe_get_tile_raw(pipe, trans, 0, y, width, 1, ztemp, 0);
                y += yStep;
                for (j = 0; j < width; j++) {
                   zfloat[j] = (float) (scale * ((ztemp[j] >> 8) & 0xffffff));
@@ -489,7 +487,7 @@ st_readpixels(GLcontext *ctx, GLint x, GLint y, GLsizei width, GLsizei height,
             /* XXX: unreachable code -- should be before st_read_stencil_pixels */
             assert(format == GL_DEPTH_STENCIL_EXT);
             for (i = 0; i < height; i++) {
-               pipe_get_tile_raw(trans, 0, y, width, 1, dst, 0);
+               pipe_get_tile_raw(pipe, trans, 0, y, width, 1, dst, 0);
                y += yStep;
                dst += dstStride;
             }
@@ -500,7 +498,7 @@ st_readpixels(GLcontext *ctx, GLint x, GLint y, GLsizei width, GLsizei height,
             GLushort ztemp[MAX_WIDTH];
             GLfloat zfloat[MAX_WIDTH];
             const double scale = 1.0 / 0xffff;
-            pipe_get_tile_raw(trans, 0, y, width, 1, ztemp, 0);
+            pipe_get_tile_raw(pipe, trans, 0, y, width, 1, ztemp, 0);
             y += yStep;
             for (j = 0; j < width; j++) {
                zfloat[j] = (float) (scale * ztemp[j]);
@@ -515,7 +513,7 @@ st_readpixels(GLcontext *ctx, GLint x, GLint y, GLsizei width, GLsizei height,
             GLuint ztemp[MAX_WIDTH];
             GLfloat zfloat[MAX_WIDTH];
             const double scale = 1.0 / 0xffffffff;
-            pipe_get_tile_raw(trans, 0, y, width, 1, ztemp, 0);
+            pipe_get_tile_raw(pipe, trans, 0, y, width, 1, ztemp, 0);
             y += yStep;
             for (j = 0; j < width; j++) {
                zfloat[j] = (float) (scale * ztemp[j]);
@@ -529,7 +527,7 @@ st_readpixels(GLcontext *ctx, GLint x, GLint y, GLsizei width, GLsizei height,
          /* RGBA format */
          /* Do a row at a time to flip image data vertically */
          for (i = 0; i < height; i++) {
-            pipe_get_tile_rgba(trans, 0, y, width, 1, df);
+            pipe_get_tile_rgba(pipe, trans, 0, y, width, 1, df);
             y += yStep;
             df += dfStride;
             if (!dfStride) {
@@ -541,7 +539,7 @@ st_readpixels(GLcontext *ctx, GLint x, GLint y, GLsizei width, GLsizei height,
       }
    }
 
-   screen->tex_transfer_destroy(trans);
+   pipe->tex_transfer_destroy(pipe, trans);
 
    _mesa_unmap_pbo_dest(ctx, &clippedPacking);
 }
diff --git a/src/mesa/state_tracker/st_cb_texture.c b/src/mesa/state_tracker/st_cb_texture.c
index c849132e74..626e6ad660 100644
--- a/src/mesa/state_tracker/st_cb_texture.c
+++ b/src/mesa/state_tracker/st_cb_texture.c
@@ -371,7 +371,8 @@ compress_with_blit(GLcontext * ctx,
 {
    const GLuint dstImageOffsets[1] = {0};
    struct st_texture_image *stImage = st_texture_image(texImage);
-   struct pipe_screen *screen = ctx->st->pipe->screen;
+   struct pipe_context *pipe = ctx->st->pipe;
+   struct pipe_screen *screen = pipe->screen;
    gl_format mesa_format;
    struct pipe_texture templ;
    struct pipe_texture *src_tex;
@@ -421,7 +422,7 @@ compress_with_blit(GLcontext * ctx,
 					     0, 0, 0, /* face, level are zero */
 					     PIPE_TRANSFER_WRITE,
 					     0, 0, width, height); /* x, y, w, h */
-   map = screen->transfer_map(screen, tex_xfer);
+   map = pipe->transfer_map(pipe, tex_xfer);
 
    _mesa_texstore(ctx, 2, GL_RGBA, mesa_format,
                   map,              /* dest ptr */
@@ -433,8 +434,8 @@ compress_with_blit(GLcontext * ctx,
                   pixels,           /* source data */
                   unpack);          /* source data packing */
 
-   screen->transfer_unmap(screen, tex_xfer);
-   screen->tex_transfer_destroy(tex_xfer);
+   pipe->transfer_unmap(pipe, tex_xfer);
+   pipe->tex_transfer_destroy(pipe, tex_xfer);
 
    /* copy / compress image */
    util_blit_pixels_tex(ctx->st->blit,
@@ -809,7 +810,8 @@ decompress_with_blit(GLcontext * ctx, GLenum target, GLint level,
                      struct gl_texture_object *texObj,
                      struct gl_texture_image *texImage)
 {
-   struct pipe_screen *screen = ctx->st->pipe->screen;
+   struct pipe_context *pipe = ctx->st->pipe;
+   struct pipe_screen *screen = pipe->screen;
    struct st_texture_image *stImage = st_texture_image(texImage);
    const GLuint width = texImage->Width;
    const GLuint height = texImage->Height;
@@ -848,7 +850,7 @@ decompress_with_blit(GLcontext * ctx, GLenum target, GLint level,
    if (st_equal_formats(stImage->pt->format, format, type)) {
       /* memcpy */
       const uint bytesPerRow = width * util_format_get_blocksize(stImage->pt->format);
-      ubyte *map = screen->transfer_map(screen, tex_xfer);
+      ubyte *map = pipe->transfer_map(pipe, tex_xfer);
       GLuint row;
       for (row = 0; row < height; row++) {
          GLvoid *dest = _mesa_image_address2d(&ctx->Pack, pixels, width,
@@ -856,7 +858,7 @@ decompress_with_blit(GLcontext * ctx, GLenum target, GLint level,
          memcpy(dest, map, bytesPerRow);
          map += tex_xfer->stride;
       }
-      screen->transfer_unmap(screen, tex_xfer);
+      pipe->transfer_unmap(pipe, tex_xfer);
    }
    else {
       /* format translation via floats */
@@ -871,7 +873,7 @@ decompress_with_blit(GLcontext * ctx, GLenum target, GLint level,
             debug_printf("%s: fallback format translation\n", __FUNCTION__);
 
          /* get float[4] rgba row from surface */
-         pipe_get_tile_rgba(tex_xfer, 0, row, width, 1, rgba);
+         pipe_get_tile_rgba(pipe, tex_xfer, 0, row, width, 1, rgba);
 
          _mesa_pack_rgba_span_float(ctx, width, (GLfloat (*)[4]) rgba, format,
                                     type, dest, &ctx->Pack, transferOps);
@@ -1256,7 +1258,6 @@ fallback_copy_texsubimage(GLcontext *ctx, GLenum target, GLint level,
                           GLsizei width, GLsizei height)
 {
    struct pipe_context *pipe = ctx->st->pipe;
-   struct pipe_screen *screen = pipe->screen;
    struct pipe_transfer *src_trans;
    GLvoid *texDest;
    enum pipe_transfer_usage transfer_usage;
@@ -1309,11 +1310,11 @@ fallback_copy_texsubimage(GLcontext *ctx, GLenum target, GLint level,
       /* To avoid a large temp memory allocation, do copy row by row */
       for (row = 0; row < height; row++, srcY += yStep) {
          uint data[MAX_WIDTH];
-         pipe_get_tile_z(src_trans, 0, srcY, width, 1, data);
+         pipe_get_tile_z(pipe, src_trans, 0, srcY, width, 1, data);
          if (scaleOrBias) {
             _mesa_scale_and_bias_depth_uint(ctx, width, data);
          }
-         pipe_put_tile_z(stImage->transfer, 0, row, width, 1, data);
+         pipe_put_tile_z(pipe, stImage->transfer, 0, row, width, 1, data);
       }
    }
    else {
@@ -1335,7 +1336,7 @@ fallback_copy_texsubimage(GLcontext *ctx, GLenum target, GLint level,
          /* XXX this usually involves a lot of int/float conversion.
           * try to avoid that someday.
           */
-         pipe_get_tile_rgba(src_trans, 0, 0, width, height, tempSrc);
+         pipe_get_tile_rgba(pipe, src_trans, 0, 0, width, height, tempSrc);
 
          /* Store into texture memory.
           * Note that this does some special things such as pixel transfer
@@ -1363,7 +1364,7 @@ fallback_copy_texsubimage(GLcontext *ctx, GLenum target, GLint level,
    }
 
    st_texture_image_unmap(ctx->st, stImage);
-   screen->tex_transfer_destroy(src_trans);
+   pipe->tex_transfer_destroy(pipe, src_trans);
 }
 
 
diff --git a/src/mesa/state_tracker/st_gen_mipmap.c b/src/mesa/state_tracker/st_gen_mipmap.c
index f67d7b4cb5..b2521433c8 100644
--- a/src/mesa/state_tracker/st_gen_mipmap.c
+++ b/src/mesa/state_tracker/st_gen_mipmap.c
@@ -106,7 +106,6 @@ fallback_generate_mipmap(GLcontext *ctx, GLenum target,
                          struct gl_texture_object *texObj)
 {
    struct pipe_context *pipe = ctx->st->pipe;
-   struct pipe_screen *screen = pipe->screen;
    struct pipe_texture *pt = st_get_texobj_texture(texObj);
    const uint baseLevel = texObj->BaseLevel;
    const uint lastLevel = pt->last_level;
@@ -142,8 +141,8 @@ fallback_generate_mipmap(GLcontext *ctx, GLenum target,
 						u_minify(pt->width0, dstLevel),
 						u_minify(pt->height0, dstLevel));
 
-      srcData = (ubyte *) screen->transfer_map(screen, srcTrans);
-      dstData = (ubyte *) screen->transfer_map(screen, dstTrans);
+      srcData = (ubyte *) pipe->transfer_map(pipe, srcTrans);
+      dstData = (ubyte *) pipe->transfer_map(pipe, dstTrans);
 
       srcStride = srcTrans->stride / util_format_get_blocksize(srcTrans->texture->format);
       dstStride = dstTrans->stride / util_format_get_blocksize(dstTrans->texture->format);
@@ -161,11 +160,11 @@ fallback_generate_mipmap(GLcontext *ctx, GLenum target,
                                   dstData,
                                   dstStride); /* stride in texels */
 
-      screen->transfer_unmap(screen, srcTrans);
-      screen->transfer_unmap(screen, dstTrans);
+      pipe->transfer_unmap(pipe, srcTrans);
+      pipe->transfer_unmap(pipe, dstTrans);
 
-      screen->tex_transfer_destroy(srcTrans);
-      screen->tex_transfer_destroy(dstTrans);
+      pipe->tex_transfer_destroy(pipe, srcTrans);
+      pipe->tex_transfer_destroy(pipe, dstTrans);
    }
 }
 
diff --git a/src/mesa/state_tracker/st_inlines.h b/src/mesa/state_tracker/st_inlines.h
index e105870bc7..7fcde7b1a9 100644
--- a/src/mesa/state_tracker/st_inlines.h
+++ b/src/mesa/state_tracker/st_inlines.h
@@ -53,11 +53,11 @@ st_cond_flush_get_tex_transfer(struct st_context *st,
 			       unsigned int x, unsigned int y,
 			       unsigned int w, unsigned int h)
 {
-   struct pipe_screen *screen = st->pipe->screen;
+   struct pipe_context *context = st->pipe;
 
    st_teximage_flush_before_map(st, pt, face, level, usage);
-   return screen->get_tex_transfer(screen, pt, face, level, zslice, usage,
-				   x, y, w, h);
+   return context->get_tex_transfer(context, pt, face, level, zslice, usage,
+				    x, y, w, h);
 }
 
 static INLINE struct pipe_transfer *
@@ -70,9 +70,9 @@ st_no_flush_get_tex_transfer(struct st_context *st,
 			     unsigned int x, unsigned int y,
 			     unsigned int w, unsigned int h)
 {
-   struct pipe_screen *screen = st->pipe->screen;
+   struct pipe_context *context = st->pipe;
 
-   return screen->get_tex_transfer(screen, pt, face, level,
+   return context->get_tex_transfer(context, pt, face, level,
 				   zslice, usage, x, y, w, h);
 }
 
diff --git a/src/mesa/state_tracker/st_texture.c b/src/mesa/state_tracker/st_texture.c
index 5a45c4358a..10a38befb4 100644
--- a/src/mesa/state_tracker/st_texture.c
+++ b/src/mesa/state_tracker/st_texture.c
@@ -192,7 +192,6 @@ st_texture_image_map(struct st_context *st, struct st_texture_image *stImage,
                      GLuint x, GLuint y, GLuint w, GLuint h)
 {
    struct pipe_context *pipe = st->pipe;
-   struct pipe_screen *screen = pipe->screen;
    struct pipe_texture *pt = stImage->pt;
 
    DBG("%s \n", __FUNCTION__);
@@ -202,7 +201,7 @@ st_texture_image_map(struct st_context *st, struct st_texture_image *stImage,
 						    usage, x, y, w, h);
 
    if (stImage->transfer)
-      return screen->transfer_map(screen, stImage->transfer);
+      return pipe->transfer_map(pipe, stImage->transfer);
    else
       return NULL;
 }
@@ -212,13 +211,13 @@ void
 st_texture_image_unmap(struct st_context *st,
                        struct st_texture_image *stImage)
 {
-   struct pipe_screen *screen = st->pipe->screen;
+   struct pipe_context *pipe = st->pipe;
 
    DBG("%s\n", __FUNCTION__);
 
-   screen->transfer_unmap(screen, stImage->transfer);
+   pipe->transfer_unmap(pipe, stImage->transfer);
 
-   screen->tex_transfer_destroy(stImage->transfer);
+   pipe->tex_transfer_destroy(pipe, stImage->transfer);
 }
 
 
@@ -238,8 +237,7 @@ st_surface_data(struct pipe_context *pipe,
 		const void *src, unsigned src_stride,
 		unsigned srcx, unsigned srcy, unsigned width, unsigned height)
 {
-   struct pipe_screen *screen = pipe->screen;
-   void *map = screen->transfer_map(screen, dst);
+   void *map = pipe->transfer_map(pipe, dst);
 
    assert(dst->texture);
    util_copy_rect(map,
@@ -250,7 +248,7 @@ st_surface_data(struct pipe_context *pipe,
                   src, src_stride, 
                   srcx, srcy);
 
-   screen->transfer_unmap(screen, dst);
+   pipe->transfer_unmap(pipe, dst);
 }
 
 
@@ -265,7 +263,6 @@ st_texture_image_data(struct st_context *st,
                       GLuint src_row_stride, GLuint src_image_stride)
 {
    struct pipe_context *pipe = st->pipe;
-   struct pipe_screen *screen = pipe->screen;
    GLuint depth = u_minify(dst->depth0, level);
    GLuint i;
    const GLubyte *srcUB = src;
@@ -287,7 +284,7 @@ st_texture_image_data(struct st_context *st,
 		      u_minify(dst->width0, level),
                       u_minify(dst->height0, level));      /* width, height */
 
-      screen->tex_transfer_destroy(dst_transfer);
+      pipe->tex_transfer_destroy(pipe, dst_transfer);
 
       srcUB += src_image_stride;
    }