From 0080faf83ed9bd7a0516b92249b8c585526ac956 Mon Sep 17 00:00:00 2001 From: Aapo Tahkola Date: Fri, 27 May 2005 20:10:05 +0000 Subject: [PATCH] More optimal r300Clear. --- src/mesa/drivers/dri/r300/r300_ioctl.c | 218 ++++++++++++++++++++++++- 1 file changed, 213 insertions(+), 5 deletions(-) diff --git a/src/mesa/drivers/dri/r300/r300_ioctl.c b/src/mesa/drivers/dri/r300/r300_ioctl.c index 0bd5d2b9889..0217d979ec4 100644 --- a/src/mesa/drivers/dri/r300/r300_ioctl.c +++ b/src/mesa/drivers/dri/r300/r300_ioctl.c @@ -55,21 +55,24 @@ WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. #include "vblank.h" +#define CB_DPATH #define CLEARBUFFER_COLOR 0x1 #define CLEARBUFFER_DEPTH 0x2 #define CLEARBUFFER_STENCIL 0x4 -/* TODO: Fix this so that white vertical lines no longer appear. */ static void r300ClearBuffer(r300ContextPtr r300, int flags, int buffer) { GLcontext* ctx = r300->radeon.glCtx; - r300ContextPtr rmesa=r300; __DRIdrawablePrivate *dPriv = r300->radeon.dri.drawable; - int i; GLuint cboffset, cbpitch; drm_r300_cmd_header_t* cmd2; +#ifdef CB_DPATH + r300ContextPtr rmesa=r300; LOCAL_VARS; +#else + int i; +#endif if (RADEON_DEBUG & DEBUG_IOCTL) fprintf(stderr, "%s: %s buffer (%i,%i %ix%i)\n", @@ -86,6 +89,7 @@ static void r300ClearBuffer(r300ContextPtr r300, int flags, int buffer) cboffset += r300->radeon.radeonScreen->fbLocation; +#ifndef CB_DPATH R300_STATECHANGE(r300, vir[0]); ((drm_r300_cmd_header_t*)r300->hw.vir[0].cmd)->unchecked_state.count = 1; r300->hw.vir[0].cmd[1] = 0x21030003; @@ -248,6 +252,80 @@ static void r300ClearBuffer(r300ContextPtr r300, int flags, int buffer) r300EnsureCmdBufSpace(r300, r300->hw.max_state_size + 9+8, __FUNCTION__); r300EmitState(r300); +#else + R300_STATECHANGE(r300, cb); + reg_start(R300_RB3D_COLOROFFSET0, 0); + e32(cboffset); + + reg_start(R300_RB3D_COLORPITCH0, 0); + e32(cbpitch | R300_COLOR_UNKNOWN_22_23); + + R300_STATECHANGE(r300, cmk); + reg_start(R300_RB3D_COLORMASK, 0); + + if (flags & CLEARBUFFER_COLOR) { + e32((ctx->Color.ColorMask[BCOMP] ? R300_COLORMASK0_B : 0) | + (ctx->Color.ColorMask[GCOMP] ? R300_COLORMASK0_G : 0) | + (ctx->Color.ColorMask[RCOMP] ? R300_COLORMASK0_R : 0) | + (ctx->Color.ColorMask[ACOMP] ? R300_COLORMASK0_A : 0)); + } else { + e32(0); + } + + R300_STATECHANGE(r300, zs); + reg_start(R300_RB3D_ZSTENCIL_CNTL_0, 2); + + { + uint32_t t1, t2; + + t1 = r300->hw.zs.cmd[R300_ZS_CNTL_0]; + t2 = r300->hw.zs.cmd[R300_ZS_CNTL_1]; + + if (flags & CLEARBUFFER_DEPTH) { + t1 &= R300_RB3D_STENCIL_ENABLE; + t1 |= 0x6; // test and write + + t2 &= ~(R300_ZS_MASK << R300_RB3D_ZS1_DEPTH_FUNC_SHIFT); + t2 |= (R300_ZS_ALWAYS<hw.zb.cmd[R300_ZB_OFFSET] = + 1024*4*300 + + r300->radeon.radeonScreen->frontOffset + + r300->radeon.radeonScreen->fbLocation; + r300->hw.zb.cmd[R300_ZB_PITCH] = + r300->radeon.radeonScreen->depthPitch; +*/ + } else { + t1 &= R300_RB3D_STENCIL_ENABLE; + t1 |= R300_RB3D_Z_DISABLED_1; // disable + + t2 &= ~(R300_ZS_MASK << R300_RB3D_ZS1_DEPTH_FUNC_SHIFT); + } + + if (flags & CLEARBUFFER_STENCIL) { + t1 &= ~R300_RB3D_STENCIL_ENABLE; + t1 |= R300_RB3D_STENCIL_ENABLE; + + t2 &= + ~((R300_ZS_MASK << R300_RB3D_ZS1_FRONT_FUNC_SHIFT) | (R300_ZS_MASK << R300_RB3D_ZS1_BACK_FUNC_SHIFT)); + t2 |= + (R300_ZS_ALWAYS<state.stencil.clear); + } + +#endif cmd2 = (drm_r300_cmd_header_t*)r300AllocCmdBuf(r300, 9, __FUNCTION__); cmd2[0].packet3.cmd_type = R300_CMD_PACKET3; @@ -262,6 +340,131 @@ static void r300ClearBuffer(r300ContextPtr r300, int flags, int buffer) cmd2[8].u = r300PackFloat32(ctx->Color.ClearColor[3]); } +#ifdef CB_DPATH +static void r300EmitClearState(GLcontext * ctx) +{ + r300ContextPtr r300 = R300_CONTEXT(ctx); + r300ContextPtr rmesa=r300; + __DRIdrawablePrivate *dPriv = r300->radeon.dri.drawable; + int i; + LOCAL_VARS; + + R300_STATECHANGE(r300, vir[0]); + reg_start(R300_VAP_INPUT_ROUTE_0_0, 0); + e32(0x21030003); + + R300_STATECHANGE(r300, vir[1]); + reg_start(R300_VAP_INPUT_ROUTE_1_0, 0); + e32(0xF688F688); + + R300_STATECHANGE(r300, vic); + reg_start(R300_VAP_INPUT_CNTL_0, 1); + e32(0x00000001); + e32(0x00000405); + + R300_STATECHANGE(r300, vof); + reg_start(R300_VAP_OUTPUT_VTX_FMT_0, 1); + e32(R300_VAP_OUTPUT_VTX_FMT_0__POS_PRESENT | R300_VAP_OUTPUT_VTX_FMT_0__COLOR_PRESENT); + e32(0); /* no textures */ + + + R300_STATECHANGE(r300, txe); + reg_start(R300_TX_ENABLE, 0); + e32(0); + + R300_STATECHANGE(r300, vpt); + reg_start(R300_SE_VPORT_XSCALE, 5); + efloat(1.0); + efloat(dPriv->x); + efloat(1.0); + efloat(dPriv->y); + efloat(1.0); + efloat(0.0); + + R300_STATECHANGE(r300, at); + reg_start(R300_PP_ALPHA_TEST, 0); + e32(0); + + R300_STATECHANGE(r300, bld); + reg_start(R300_RB3D_CBLEND, 1); + e32(0); + e32(0); + + R300_STATECHANGE(r300, unk221C); + reg_start(0x221C, 0); + e32(R300_221C_CLEAR); + + R300_STATECHANGE(r300, ps); + reg_start(R300_RE_POINTSIZE, 0); + e32(((dPriv->w * 6) << R300_POINTSIZE_X_SHIFT) | + ((dPriv->h * 6) << R300_POINTSIZE_Y_SHIFT)); + + R300_STATECHANGE(r300, ri); + reg_start(R300_RS_INTERP_0, 8); + for(i = 0; i < 8; ++i){ + e32(R300_RS_INTERP_USED); + } + + R300_STATECHANGE(r300, rc); + /* The second constant is needed to get glxgears display anything .. */ + reg_start(R300_RS_CNTL_0, 1); + e32(R300_RS_CNTL_0_UNKNOWN_7 | R300_RS_CNTL_0_UNKNOWN_18); + e32(0); + + R300_STATECHANGE(r300, rr); + reg_start(R300_RS_ROUTE_0, 0); + e32(0x00004000); + + R300_STATECHANGE(r300, fp); + reg_start(R300_PFS_CNTL_0, 2); + e32(0); + e32(0); + e32(0); + reg_start(R300_PFS_NODE_0, 3); + e32(0); + e32(0); + e32(0); + e32(R300_PFS_NODE_LAST_NODE); + + R300_STATECHANGE(r300, fpi[0]); + R300_STATECHANGE(r300, fpi[1]); + R300_STATECHANGE(r300, fpi[2]); + R300_STATECHANGE(r300, fpi[3]); + + reg_start(R300_PFS_INSTR0_0, 0); + e32(FP_INSTRC(MAD, FP_ARGC(SRC0C_XYZ), FP_ARGC(ONE), FP_ARGC(ZERO))); + + reg_start(R300_PFS_INSTR1_0, 0); + e32(FP_SELC(0,NO,XYZ,FP_TMP(0),0,0)); + + reg_start(R300_PFS_INSTR2_0, 0); + e32(FP_INSTRA(MAD, FP_ARGA(SRC0A), FP_ARGA(ONE), FP_ARGA(ZERO))); + + reg_start(R300_PFS_INSTR3_0, 0); + e32(FP_SELA(0,NO,W,FP_TMP(0),0,0)); + + R300_STATECHANGE(r300, pvs); + reg_start(R300_VAP_PVS_CNTL_1, 2); + e32((0 << R300_PVS_CNTL_1_PROGRAM_START_SHIFT) | + (0 << R300_PVS_CNTL_1_POS_END_SHIFT) | + (1 << R300_PVS_CNTL_1_PROGRAM_END_SHIFT)); + e32(0); + e32(1 << R300_PVS_CNTL_3_PROGRAM_UNKNOWN_SHIFT); + + R300_STATECHANGE(r300, vpi); + vsf_start_fragment(0x0, 8); + e32(VP_OUT(ADD,OUT,0,XYZW)); + e32(VP_IN(IN,0)); + e32(VP_ZERO()); + e32(0); + + e32(VP_OUT(ADD,OUT,1,XYZW)); + e32(VP_IN(IN,1)); + e32(VP_ZERO()); + e32(0); + +} +#endif /** * Buffer clear @@ -274,8 +477,6 @@ static void r300Clear(GLcontext * ctx, GLbitfield mask, GLboolean all, int flags = 0; int bits = 0; int swapped; - uint32_t unk42B4; - uint32_t zbs[4]; if (RADEON_DEBUG & DEBUG_IOCTL) fprintf(stderr, "%s: all=%d cx=%d cy=%d cw=%d ch=%d\n", @@ -317,6 +518,11 @@ static void r300Clear(GLcontext * ctx, GLbitfield mask, GLboolean all, swapped = r300->radeon.doPageFlip && (r300->radeon.sarea->pfCurrentPage == 1); +#ifdef CB_DPATH + if(flags || bits) + r300EmitClearState(ctx); +#endif + if (flags & BUFFER_BIT_FRONT_LEFT) { r300ClearBuffer(r300, bits | CLEARBUFFER_COLOR, swapped); bits = 0; @@ -330,6 +536,7 @@ static void r300Clear(GLcontext * ctx, GLbitfield mask, GLboolean all, if (bits) r300ClearBuffer(r300, bits, 0); +#ifndef CB_DPATH /* Recalculate the hardware state. This could be done more efficiently, * but do keep it like this for now. */ @@ -337,6 +544,7 @@ static void r300Clear(GLcontext * ctx, GLbitfield mask, GLboolean all, /* r300ClearBuffer has trampled all over the hardware state.. */ r300->hw.all_dirty=GL_TRUE; +#endif } void r300Flush(GLcontext * ctx) -- 2.30.2