diff options
Diffstat (limited to 'src/gallium/drivers/cell/ppu/cell_clear.c')
| -rw-r--r-- | src/gallium/drivers/cell/ppu/cell_clear.c | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/src/gallium/drivers/cell/ppu/cell_clear.c b/src/gallium/drivers/cell/ppu/cell_clear.c index a421c95c8e..c9c0c721bb 100644 --- a/src/gallium/drivers/cell/ppu/cell_clear.c +++ b/src/gallium/drivers/cell/ppu/cell_clear.c @@ -35,6 +35,7 @@ #include <stdint.h> #include "pipe/p_inlines.h" #include "util/u_memory.h" +#include "util/u_pack_color.h" #include "cell/common.h" #include "cell_clear.h" #include "cell_context.h" @@ -44,6 +45,27 @@ #include "cell_state.h" +/** + * Convert packed pixel from one format to another. + */ +static unsigned +convert_color(enum pipe_format srcFormat, unsigned srcColor, + enum pipe_format dstFormat) +{ + ubyte r, g, b, a; + unsigned dstColor; + + util_unpack_color_ub(srcFormat, &srcColor, &r, &g, &b, &a); + util_pack_color_ub(r, g, b, a, dstFormat, &dstColor); + + return dstColor; +} + + + +/** + * Called via pipe->clear() + */ void cell_clear_surface(struct pipe_context *pipe, struct pipe_surface *ps, unsigned clearValue) @@ -61,13 +83,21 @@ cell_clear_surface(struct pipe_context *pipe, struct pipe_surface *ps, PIPE_BUFFER_USAGE_GPU_WRITE); if (ps == cell->framebuffer.zsbuf) { + /* clear z/stencil buffer */ surfIndex = 1; } else { + /* clear color buffer */ surfIndex = 0; + + if (ps->format != PIPE_FORMAT_A8R8G8B8_UNORM) { + clearValue = convert_color(PIPE_FORMAT_A8R8G8B8_UNORM, clearValue, + ps->format); + } } + /* Build a CLEAR command and place it in the current batch buffer */ { struct cell_command_clear_surface *clr = (struct cell_command_clear_surface *) |