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-rw-r--r--src/gallium/state_trackers/python/p_context.i249
1 files changed, 246 insertions, 3 deletions
diff --git a/src/gallium/state_trackers/python/p_context.i b/src/gallium/state_trackers/python/p_context.i
index df700bc663..a8e164a072 100644
--- a/src/gallium/state_trackers/python/p_context.i
+++ b/src/gallium/state_trackers/python/p_context.i
@@ -362,10 +362,253 @@ error1:
pipe_surface_reference(&_dst, NULL);
}
- void clear(unsigned buffers, const float *rgba, double depth = 0.0f,
- unsigned stencil = 0)
+ %cstring_output_allocate_size(char **STRING, int *LENGTH, free(*$1));
+ void
+ surface_read_raw(struct st_surface *surface,
+ unsigned x, unsigned y, unsigned w, unsigned h,
+ char **STRING, int *LENGTH)
+ {
+ struct pipe_texture *texture = surface->texture;
+ struct pipe_context *pipe = $self->pipe;
+ struct pipe_transfer *transfer;
+ unsigned stride;
+
+ stride = util_format_get_stride(texture->format, w);
+ *LENGTH = util_format_get_nblocksy(texture->format, h) * stride;
+ *STRING = (char *) malloc(*LENGTH);
+ if(!*STRING)
+ return;
+
+ transfer = pipe->get_tex_transfer(pipe,
+ surface->texture,
+ surface->face,
+ surface->level,
+ surface->zslice,
+ PIPE_TRANSFER_READ,
+ x, y, w, h);
+ if(transfer) {
+ pipe_get_tile_raw(pipe, transfer, 0, 0, w, h, *STRING, stride);
+ pipe->tex_transfer_destroy(pipe, transfer);
+ }
+ }
+
+ %cstring_input_binary(const char *STRING, unsigned LENGTH);
+ void
+ surface_write_raw(struct st_surface *surface,
+ unsigned x, unsigned y, unsigned w, unsigned h,
+ const char *STRING, unsigned LENGTH, unsigned stride = 0)
{
- $self->pipe->clear($self->pipe, buffers, rgba, depth, stencil);
+ struct pipe_texture *texture = surface->texture;
+ struct pipe_context *pipe = $self->pipe;
+ struct pipe_transfer *transfer;
+
+ if(stride == 0)
+ stride = util_format_get_stride(texture->format, w);
+
+ if(LENGTH < util_format_get_nblocksy(texture->format, h) * stride)
+ SWIG_exception(SWIG_ValueError, "offset must be smaller than buffer size");
+
+ transfer = pipe->get_tex_transfer(pipe,
+ surface->texture,
+ surface->face,
+ surface->level,
+ surface->zslice,
+ PIPE_TRANSFER_WRITE,
+ x, y, w, h);
+ if(!transfer)
+ SWIG_exception(SWIG_MemoryError, "couldn't initiate transfer");
+
+ pipe_put_tile_raw(pipe, transfer, 0, 0, w, h, STRING, stride);
+ pipe->tex_transfer_destroy(pipe, transfer);
+
+ fail:
+ return;
+ }
+
+ void
+ surface_read_rgba(struct st_surface *surface,
+ unsigned x, unsigned y, unsigned w, unsigned h,
+ float *rgba)
+ {
+ struct pipe_context *pipe = $self->pipe;
+ struct pipe_transfer *transfer;
+ transfer = pipe->get_tex_transfer(pipe,
+ surface->texture,
+ surface->face,
+ surface->level,
+ surface->zslice,
+ PIPE_TRANSFER_READ,
+ x, y, w, h);
+ if(transfer) {
+ pipe_get_tile_rgba(pipe, transfer, 0, 0, w, h, rgba);
+ pipe->tex_transfer_destroy(pipe, transfer);
+ }
+ }
+
+ void
+ surface_write_rgba(struct st_surface *surface,
+ unsigned x, unsigned y, unsigned w, unsigned h,
+ const float *rgba)
+ {
+ struct pipe_context *pipe = $self->pipe;
+ struct pipe_transfer *transfer;
+ transfer = pipe->get_tex_transfer(pipe,
+ surface->texture,
+ surface->face,
+ surface->level,
+ surface->zslice,
+ PIPE_TRANSFER_WRITE,
+ x, y, w, h);
+ if(transfer) {
+ pipe_put_tile_rgba(pipe, transfer, 0, 0, w, h, rgba);
+ pipe->tex_transfer_destroy(pipe, transfer);
+ }
+ }
+
+ %cstring_output_allocate_size(char **STRING, int *LENGTH, free(*$1));
+ void
+ surface_read_rgba8(struct st_surface *surface,
+ unsigned x, unsigned y, unsigned w, unsigned h,
+ char **STRING, int *LENGTH)
+ {
+ struct pipe_context *pipe = $self->pipe;
+ struct pipe_transfer *transfer;
+ float *rgba;
+ unsigned char *rgba8;
+ unsigned i, j, k;
+
+ *LENGTH = 0;
+ *STRING = NULL;
+
+ if (!surface)
+ return;
+
+ *LENGTH = h*w*4;
+ *STRING = (char *) malloc(*LENGTH);
+ if(!*STRING)
+ return;
+
+ rgba = malloc(h*w*4*sizeof(float));
+ if(!rgba)
+ return;
+
+ rgba8 = (unsigned char *) *STRING;
+
+ transfer = pipe->get_tex_transfer(pipe,
+ surface->texture,
+ surface->face,
+ surface->level,
+ surface->zslice,
+ PIPE_TRANSFER_READ,
+ x, y,
+ w, h);
+ if(transfer) {
+ pipe_get_tile_rgba(pipe, transfer, 0, 0, w, h, rgba);
+ for(j = 0; j < h; ++j) {
+ for(i = 0; i < w; ++i)
+ for(k = 0; k <4; ++k)
+ rgba8[j*w*4 + i*4 + k] = float_to_ubyte(rgba[j*w*4 + i*4 + k]);
+ }
+ pipe->tex_transfer_destroy(pipe, transfer);
+ }
+
+ free(rgba);
+ }
+
+ void
+ surface_read_z(struct st_surface *surface,
+ unsigned x, unsigned y, unsigned w, unsigned h,
+ unsigned *z)
+ {
+ struct pipe_context *pipe = $self->pipe;
+ struct pipe_transfer *transfer;
+ transfer = pipe->get_tex_transfer(pipe,
+ surface->texture,
+ surface->face,
+ surface->level,
+ surface->zslice,
+ PIPE_TRANSFER_READ,
+ x, y, w, h);
+ if(transfer) {
+ pipe_get_tile_z(pipe, transfer, 0, 0, w, h, z);
+ pipe->tex_transfer_destroy(pipe, transfer);
+ }
+ }
+
+ void
+ surface_write_z(struct st_surface *surface,
+ unsigned x, unsigned y, unsigned w, unsigned h,
+ const unsigned *z)
+ {
+ struct pipe_context *pipe = $self->pipe;
+ struct pipe_transfer *transfer;
+ transfer = pipe->get_tex_transfer(pipe,
+ surface->texture,
+ surface->face,
+ surface->level,
+ surface->zslice,
+ PIPE_TRANSFER_WRITE,
+ x, y, w, h);
+ if(transfer) {
+ pipe_put_tile_z(pipe, transfer, 0, 0, w, h, z);
+ pipe->tex_transfer_destroy(pipe, transfer);
+ }
+ }
+
+ void
+ surface_sample_rgba(struct st_surface *surface,
+ float *rgba)
+ {
+ st_sample_surface($self->pipe, surface, rgba);
+ }
+
+ unsigned
+ surface_compare_rgba(struct st_surface *surface,
+ unsigned x, unsigned y, unsigned w, unsigned h,
+ const float *rgba, float tol = 0.0)
+ {
+ struct pipe_context *pipe = $self->pipe;
+ struct pipe_transfer *transfer;
+ float *rgba2;
+ const float *p1;
+ const float *p2;
+ unsigned i, j, n;
+
+ rgba2 = MALLOC(h*w*4*sizeof(float));
+ if(!rgba2)
+ return ~0;
+
+ transfer = pipe->get_tex_transfer(pipe,
+ surface->texture,
+ surface->face,
+ surface->level,
+ surface->zslice,
+ PIPE_TRANSFER_READ,
+ x, y, w, h);
+ if(!transfer) {
+ FREE(rgba2);
+ return ~0;
+ }
+
+ pipe_get_tile_rgba(pipe, transfer, 0, 0, w, h, rgba2);
+ pipe->tex_transfer_destroy(pipe, transfer);
+
+ p1 = rgba;
+ p2 = rgba2;
+ n = 0;
+ for(i = h*w; i; --i) {
+ unsigned differs = 0;
+ for(j = 4; j; --j) {
+ float delta = *p2++ - *p1++;
+ if (delta < -tol || delta > tol)
+ differs = 1;
+ }
+ n += differs;
+ }
+
+ FREE(rgba2);
+
+ return n;
}
};
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