Module: Mesa Branch: radeon-rewrite Commit: 7f44b62a4a90242ef824f9751affe5c46e401691 URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=7f44b62a4a90242ef824f9751affe5c46e401691
Author: Dave Airlie <[email protected]> Date: Thu Feb 26 14:04:38 2009 +1000 r300: remove depth offset exits in favour of rrb depth changes --- src/mesa/drivers/dri/r300/r300_cmdbuf.c | 30 ++++++++++++++++++++++++++++++ src/mesa/drivers/dri/r300/r300_state.c | 27 --------------------------- 2 files changed, 30 insertions(+), 27 deletions(-) diff --git a/src/mesa/drivers/dri/r300/r300_cmdbuf.c b/src/mesa/drivers/dri/r300/r300_cmdbuf.c index 068a9f9..231576f 100644 --- a/src/mesa/drivers/dri/r300/r300_cmdbuf.c +++ b/src/mesa/drivers/dri/r300/r300_cmdbuf.c @@ -263,6 +263,33 @@ static void emit_zb_offset(GLcontext *ctx, struct radeon_state_atom * atom) END_BATCH(); } +static void emit_zstencil_format(GLcontext *ctx, struct radeon_state_atom * atom) +{ + r300ContextPtr r300 = R300_CONTEXT(ctx); + BATCH_LOCALS(&r300->radeon); + struct radeon_renderbuffer *rrb; + uint32_t zbpitch; + uint32_t format; + + rrb = radeon_get_depthbuffer(&r300->radeon); + if (!rrb) + format = 0; + else { + if (rrb->cpp == 2) + format = R300_DEPTHFORMAT_16BIT_INT_Z; + else if (rrb->cpp == 4) + format = R300_DEPTHFORMAT_24BIT_INT_Z_8BIT_STENCIL; + } + + OUT_BATCH(atom->cmd[0]); + atom->cmd[1] &= ~(3 << 0); + atom->cmd[1] |= format; + OUT_BATCH(atom->cmd[1]); + OUT_BATCH(atom->cmd[2]); + OUT_BATCH(atom->cmd[3]); + OUT_BATCH(atom->cmd[4]); +} + static int check_always(GLcontext *ctx, struct radeon_state_atom *atom) { return atom->cmd_size; @@ -521,9 +548,12 @@ void r300InitCmdBuf(r300ContextPtr r300) ALLOC_STATE(zs, always, R300_ZS_CMDSIZE, 0); r300->hw.zs.cmd[R300_ZS_CMD_0] = cmdpacket0(r300->radeon.radeonScreen, R300_ZB_CNTL, 3); + ALLOC_STATE(zstencil_format, always, 5, 0); r300->hw.zstencil_format.cmd[0] = cmdpacket0(r300->radeon.radeonScreen, R300_ZB_FORMAT, 4); + r300->hw.zstencil_format.emit = emit_zstencil_format; + ALLOC_STATE(zb, always, R300_ZB_CMDSIZE, 0); r300->hw.zb.emit = emit_zb_offset; ALLOC_STATE(zb_depthclearvalue, always, 2, 0); diff --git a/src/mesa/drivers/dri/r300/r300_state.c b/src/mesa/drivers/dri/r300/r300_state.c index ba1deee..59728a0 100644 --- a/src/mesa/drivers/dri/r300/r300_state.c +++ b/src/mesa/drivers/dri/r300/r300_state.c @@ -2367,18 +2367,6 @@ static void r300ResetHwState(r300ContextPtr r300) r300->hw.zb_depthclearvalue.cmd[1] = 0; - switch (ctx->Visual.depthBits) { - case 16: - r300->hw.zstencil_format.cmd[1] = R300_DEPTHFORMAT_16BIT_INT_Z; - break; - case 24: - r300->hw.zstencil_format.cmd[1] = R300_DEPTHFORMAT_24BIT_INT_Z_8BIT_STENCIL; - break; - default: - fprintf(stderr, "Error: Unsupported depth %d... exiting\n", ctx->Visual.depthBits); - _mesa_exit(-1); - } - r300->hw.zstencil_format.cmd[2] = R300_ZTOP_DISABLE; r300->hw.zstencil_format.cmd[3] = 0x00000003; r300->hw.zstencil_format.cmd[4] = 0x00000000; @@ -2683,21 +2671,6 @@ void r300InitState(r300ContextPtr r300) GLcontext *ctx = r300->radeon.glCtx; GLuint depth_fmt; - switch (ctx->Visual.depthBits) { - case 16: - r300->radeon.state.depth.scale = 1.0 / (GLfloat) 0xffff; - depth_fmt = R300_DEPTHFORMAT_16BIT_INT_Z; - break; - case 24: - r300->radeon.state.depth.scale = 1.0 / (GLfloat) 0xffffff; - depth_fmt = R300_DEPTHFORMAT_24BIT_INT_Z_8BIT_STENCIL; - break; - default: - fprintf(stderr, "Error: Unsupported depth %d... exiting\n", - ctx->Visual.depthBits); - _mesa_exit(-1); - } - /* Only have hw stencil when depth buffer is 24 bits deep */ r300->radeon.state.stencil.hwBuffer = (ctx->Visual.stencilBits > 0 && ctx->Visual.depthBits == 24); _______________________________________________ mesa-commit mailing list [email protected] http://lists.freedesktop.org/mailman/listinfo/mesa-commit
