diff options
| -rw-r--r-- | src/mesa/state_tracker/st_cb_texture.c | 37 |
1 files changed, 27 insertions, 10 deletions
diff --git a/src/mesa/state_tracker/st_cb_texture.c b/src/mesa/state_tracker/st_cb_texture.c index d887455e605..ea59ccf255c 100644 --- a/src/mesa/state_tracker/st_cb_texture.c +++ b/src/mesa/state_tracker/st_cb_texture.c @@ -684,9 +684,16 @@ decompress_with_blit(struct gl_context * ctx, /* format translation via floats */ GLuint row; enum pipe_format pformat = util_format_linear(dst_texture->format); + GLfloat *rgba; + + rgba = (GLfloat *) malloc(width * 4 * sizeof(GLfloat)); + if (!rgba) { + _mesa_error(ctx, GL_OUT_OF_MEMORY, "glGetTexImage()"); + goto end; + } + for (row = 0; row < height; row++) { const GLbitfield transferOps = 0x0; /* bypassed for glGetTexImage() */ - GLfloat rgba[4 * MAX_WIDTH]; GLvoid *dest = _mesa_image_address2d(&ctx->Pack, pixels, width, height, format, type, row, 0); @@ -700,8 +707,11 @@ decompress_with_blit(struct gl_context * ctx, _mesa_pack_rgba_span_float(ctx, width, (GLfloat (*)[4]) rgba, format, type, dest, &ctx->Pack, transferOps); } + + free(rgba); } +end: _mesa_unmap_pbo_dest(ctx, &ctx->Pack); pipe->transfer_destroy(pipe, tex_xfer); @@ -763,8 +773,6 @@ fallback_copy_texsubimage(struct gl_context *ctx, if (ST_DEBUG & DEBUG_FALLBACK) debug_printf("%s: fallback processing\n", __FUNCTION__); - assert(width <= MAX_WIDTH); - if (st_fb_orientation(ctx->ReadBuffer) == Y_0_TOP) { srcY = strb->Base.Height - srcY - height; } @@ -793,6 +801,7 @@ fallback_copy_texsubimage(struct gl_context *ctx, const GLboolean scaleOrBias = (ctx->Pixel.DepthScale != 1.0F || ctx->Pixel.DepthBias != 0.0F); GLint row, yStep; + uint *data; /* determine bottom-to-top vs. top-to-bottom order for src buffer */ if (st_fb_orientation(ctx->ReadBuffer) == Y_0_TOP) { @@ -804,15 +813,23 @@ fallback_copy_texsubimage(struct gl_context *ctx, yStep = 1; } - /* 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(pipe, src_trans, 0, srcY, width, 1, data); - if (scaleOrBias) { - _mesa_scale_and_bias_depth_uint(ctx, width, data); + data = (uint *) malloc(width * sizeof(uint)); + + if (data) { + /* To avoid a large temp memory allocation, do copy row by row */ + for (row = 0; row < height; row++, srcY += yStep) { + 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(pipe, stImage->transfer, 0, row, width, 1, data); } - pipe_put_tile_z(pipe, stImage->transfer, 0, row, width, 1, data); } + else { + _mesa_error(ctx, GL_OUT_OF_MEMORY, "glCopyTexSubImage()"); + } + + free(data); } else { /* RGBA format */ |