From 800c350d71132bbb5126bd89310df540332978f4 Mon Sep 17 00:00:00 2001 From: Brian Paul Date: Tue, 7 Oct 2008 16:14:27 -0600 Subject: cell: add support for fragment shader constant buffers --- src/gallium/drivers/cell/spu/spu_command.c | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) (limited to 'src/gallium/drivers/cell/spu/spu_command.c') diff --git a/src/gallium/drivers/cell/spu/spu_command.c b/src/gallium/drivers/cell/spu/spu_command.c index ec9da5d887..91a4c137e7 100644 --- a/src/gallium/drivers/cell/spu/spu_command.c +++ b/src/gallium/drivers/cell/spu/spu_command.c @@ -231,6 +231,25 @@ cmd_state_fragment_program(const struct cell_command_fragment_program *fp) } +static uint +cmd_state_fs_constants(const uint64_t *buffer, uint pos) +{ + const uint num_const = buffer[pos + 1]; + const float *constants = (const float *) &buffer[pos + 2]; + uint i; + + DEBUG_PRINTF("CMD_STATE_FS_CONSTANTS (%u)\n", num_const); + + /* Expand each float to float[4] for SOA execution */ + for (i = 0; i < num_const; i++) { + spu.constants[i] = spu_splats(constants[i]); + } + + /* return new buffer pos (in 8-byte words) */ + return pos + 2 + num_const / 2; +} + + static void cmd_state_framebuffer(const struct cell_command_framebuffer *cmd) { @@ -456,6 +475,9 @@ cmd_batch(uint opcode) pos += sizeof(*fp) / 8; } break; + case CELL_CMD_STATE_FS_CONSTANTS: + pos = cmd_state_fs_constants(buffer, pos); + break; case CELL_CMD_STATE_SAMPLER: { struct cell_command_sampler *sampler -- cgit v1.2.3