Beginings of program generation. This code havent been tested nor hooked up.

3 files changed, 304 insertions, 1 deletions

diff --git a/src/mesa/drivers/dri/r300/r300_context.h b/src/mesa/drivers/dri/r300/r300_context.h
index fd076a38ec..57a258487e 100644
--- a/src/mesa/drivers/dri/r300/r300_context.h
+++ b/src/mesa/drivers/dri/r300/r300_context.h
@@ -519,9 +519,15 @@ struct r300_vertex_shader_state {
 	int unknown_ptr3;  /* pointer within program space */
 	};
 	
+/* r300_vertex_shader_state and r300_vertex_program should probably be merged together someday.
+ * Keeping them them seperate for now should ensure fixed pipeline keeps functioning properly.
+ */	
 struct r300_vertex_program {
 	struct vertex_program mesa_program; /* Must be first */
 	int translated;
+	
+	struct r300_vertex_shader_fragment program;
+	struct r300_vertex_shader_fragment params;
 
 };
 
@@ -660,6 +666,8 @@ struct r300_context {
 	GLuint TexGenInputs;
 	GLuint TexGenCompSel;
 	GLmatrix tmpmat;
+	
+	struct r300_vertex_program *current_vp;
 };
 
 #define R300_CONTEXT(ctx)		((r300ContextPtr)(ctx->DriverCtx))
diff --git a/src/mesa/drivers/dri/r300/r300_state.c b/src/mesa/drivers/dri/r300/r300_state.c
index 1592961d45..dedc5df0a8 100644
--- a/src/mesa/drivers/dri/r300/r300_state.c
+++ b/src/mesa/drivers/dri/r300/r300_state.c
@@ -1297,6 +1297,57 @@ void r300SetupVertexShader(r300ContextPtr rmesa)
 	#endif
 }
 
+void r300SetupVertexProgram(r300ContextPtr rmesa)
+{
+	GLcontext* ctx = rmesa->radeon.glCtx;
+
+	/* Reset state, in case we don't use something */
+	((drm_r300_cmd_header_t*)rmesa->hw.vpp.cmd)->vpu.count = 0;
+	((drm_r300_cmd_header_t*)rmesa->hw.vpi.cmd)->vpu.count = 0;
+	((drm_r300_cmd_header_t*)rmesa->hw.vps.cmd)->vpu.count = 0;
+
+#if 0
+/* This needs to be replaced by vertex shader generation code */
+
+
+	/* textures enabled ? */
+	if(rmesa->state.texture.tc_count>0){
+		rmesa->state.vertex_shader=SINGLE_TEXTURE_VERTEX_SHADER;
+		} else {
+		rmesa->state.vertex_shader=FLAT_COLOR_VERTEX_SHADER;
+		}
+
+
+        rmesa->state.vertex_shader.matrix[0].length=16;
+        memcpy(rmesa->state.vertex_shader.matrix[0].body.f, ctx->_ModelProjectMatrix.m, 16*4);
+#endif
+	
+	setup_vertex_shader_fragment(rmesa, VSF_DEST_PROGRAM, &(rmesa->current_vp->program));
+
+	setup_vertex_shader_fragment(rmesa, VSF_DEST_MATRIX0, &(rmesa->current_vp->params));
+	
+	#if 0
+	setup_vertex_shader_fragment(rmesa, VSF_DEST_UNKNOWN1, &(rmesa->state.vertex_shader.unknown1));
+	setup_vertex_shader_fragment(rmesa, VSF_DEST_UNKNOWN2, &(rmesa->state.vertex_shader.unknown2));
+	#endif
+
+	R300_STATECHANGE(rmesa, pvs);
+	rmesa->hw.pvs.cmd[R300_PVS_CNTL_1]=(0 << R300_PVS_CNTL_1_PROGRAM_START_SHIFT)
+		| (rmesa->state.vertex_shader.unknown_ptr1 << R300_PVS_CNTL_1_UNKNOWN_SHIFT)
+		| (rmesa->current_vp->program.length/4 << R300_PVS_CNTL_1_PROGRAM_END_SHIFT);
+	rmesa->hw.pvs.cmd[R300_PVS_CNTL_2]=(0 << R300_PVS_CNTL_2_PARAM_OFFSET_SHIFT)
+		| (rmesa->current_vp->params.length/4 << R300_PVS_CNTL_2_PARAM_COUNT_SHIFT);
+	rmesa->hw.pvs.cmd[R300_PVS_CNTL_3]=(0/*rmesa->state.vertex_shader.unknown_ptr2*/ << R300_PVS_CNTL_3_PROGRAM_UNKNOWN_SHIFT)
+	| (rmesa->current_vp->program.length/4/*rmesa->state.vertex_shader.unknown_ptr3*/ << 0);
+
+	/* This is done for vertex shader fragments, but also needs to be done for vap_pvs,
+	so I leave it as a reminder */
+	#if 0
+	reg_start(R300_VAP_PVS_WAITIDLE,0);
+		e32(0x00000000);
+	#endif
+}
+
 void r300SetupPixelShader(r300ContextPtr rmesa)
 {
 int i,k;
diff --git a/src/mesa/drivers/dri/r300/r300_vertexprog.c b/src/mesa/drivers/dri/r300/r300_vertexprog.c
index 5c555015e3..50a816c6d4 100644
--- a/src/mesa/drivers/dri/r300/r300_vertexprog.c
+++ b/src/mesa/drivers/dri/r300/r300_vertexprog.c
@@ -110,13 +110,14 @@ void dump_program_params(struct vertex_program *vp)
 	fprintf(stderr, "NumAttributes=%d\n", vp->Base.NumAttributes);
 	fprintf(stderr, "NumAddressRegs=%d\n", vp->Base.NumAddressRegs);
 	
+#if 0	
 	for(pi=0; pi < vp->Base.NumParameters; pi++){
 		fprintf(stderr, "{ ");
 		for(i=0; i < 4; i++)
 			fprintf(stderr, "%f ", vp->Base.LocalParams[pi][i]);
 		fprintf(stderr, "}\n");
 	}
-	
+#endif	
 	for(pi=0; pi < vp->Parameters->NumParameters; pi++){
 		fprintf(stderr, "param %02d:", pi);
 		
@@ -208,6 +209,249 @@ static void debug_vp(struct vertex_program *vp)
 	
 }
 
+void update_params(struct r300_vertex_program *vp)
+{
+	int pi;
+	struct vertex_program *mesa_vp=(void *)vp;
+	
+	vp->params.length=0;
+	
+	/* Temporary solution */
+	
+	for(pi=0; pi < mesa_vp->Parameters->NumParameters; pi++){
+		switch(mesa_vp->Parameters->Parameters[pi].Type){
+			
+		case NAMED_PARAMETER:
+			//fprintf(stderr, "%s", vp->Parameters->Parameters[pi].Name);
+		case CONSTANT:
+			vp->params.body.f[pi*4+0]=mesa_vp->Parameters->Parameters[pi].Values[0];
+			vp->params.body.f[pi*4+1]=mesa_vp->Parameters->Parameters[pi].Values[1];
+			vp->params.body.f[pi*4+2]=mesa_vp->Parameters->Parameters[pi].Values[2];
+			vp->params.body.f[pi*4+3]=mesa_vp->Parameters->Parameters[pi].Values[3];
+			vp->params.length+=4;
+		break;
+
+		case STATE:
+			fprintf(stderr, "State found! bailing out.\n");
+			exit(0);
+			/* fetch state info */
+			continue;
+		break;
+		default: _mesa_problem(NULL, "Bad param type in %s", __FUNCTION__);
+		}
+	
+	}
+	
+}
+		
+unsigned long translate_dst_mask(GLboolean *mask)
+{
+	unsigned long flags=0;
+	
+	if(mask[0]) flags |= VSF_FLAG_X;
+	if(mask[1]) flags |= VSF_FLAG_Y;
+	if(mask[2]) flags |= VSF_FLAG_Z;
+	if(mask[3]) flags |= VSF_FLAG_W;
+	
+	return flags;
+}
+
+unsigned long translate_dst_class(enum register_file file)
+{
+	
+	switch(file){
+		case PROGRAM_TEMPORARY:
+			return R300_VPI_OUT_REG_CLASS_TEMPORARY;
+		case PROGRAM_OUTPUT:
+			return R300_VPI_OUT_REG_CLASS_RESULT;
+		/*	
+		case PROGRAM_INPUT:
+		case PROGRAM_LOCAL_PARAM:
+		case PROGRAM_ENV_PARAM:
+		case PROGRAM_NAMED_PARAM:
+		case PROGRAM_STATE_VAR:
+		case PROGRAM_WRITE_ONLY:
+		case PROGRAM_ADDRESS:
+		*/
+		default:
+			fprintf(stderr, "problem in %s", __FUNCTION__);
+			exit(0);
+	}
+}
+
+unsigned long translate_src_class(enum register_file file)
+{
+	
+	switch(file){
+		case PROGRAM_TEMPORARY:
+			return R300_VPI_IN_REG_CLASS_TEMPORARY;
+			
+			
+		case PROGRAM_INPUT:
+		case PROGRAM_LOCAL_PARAM:
+		case PROGRAM_ENV_PARAM:
+		case PROGRAM_NAMED_PARAM:
+		case PROGRAM_STATE_VAR:
+			return R300_VPI_IN_REG_CLASS_PARAMETER;
+		/*	
+		case PROGRAM_OUTPUT:
+		case PROGRAM_WRITE_ONLY:
+		case PROGRAM_ADDRESS:
+		*/
+		default:
+			fprintf(stderr, "problem in %s", __FUNCTION__);
+			exit(0);
+	}
+}
+
+unsigned long translate_swizzle(GLubyte swizzle)
+{
+	switch(swizzle){
+		case 0: return VSF_IN_COMPONENT_X;
+		case 1: return VSF_IN_COMPONENT_Y;
+		case 2: return VSF_IN_COMPONENT_Z;
+		case 3: return VSF_IN_COMPONENT_W;
+		
+		case SWIZZLE_ZERO:
+		case SWIZZLE_ONE:
+		default:
+			fprintf(stderr, "problem in %s", __FUNCTION__);
+			exit(0);
+	}
+}
+
+unsigned long translate_src(struct vp_src_register *src)
+{
+	return MAKE_VSF_SOURCE(src->Index,
+				translate_swizzle(src->Swizzle[0]),
+				translate_swizzle(src->Swizzle[1]),
+				translate_swizzle(src->Swizzle[2]),
+				translate_swizzle(src->Swizzle[3]),
+				translate_src_class(src->File),
+				src->Negate ? VSF_FLAG_ALL : VSF_FLAG_NONE);
+}
+
+unsigned long translate_opcode(enum vp_opcode opcode)
+{
+
+	switch(opcode){
+		case VP_OPCODE_ADD: return R300_VPI_OUT_OP_ADD;
+		case VP_OPCODE_DST: return R300_VPI_OUT_OP_DST;
+		case VP_OPCODE_EX2: return R300_VPI_OUT_OP_EX2;
+		case VP_OPCODE_EXP: return R300_VPI_OUT_OP_EXP;
+		case VP_OPCODE_FRC: return R300_VPI_OUT_OP_FRC;
+		case VP_OPCODE_LG2: return R300_VPI_OUT_OP_LG2;
+		case VP_OPCODE_LIT: return R300_VPI_OUT_OP_LIT;
+		case VP_OPCODE_LOG: return R300_VPI_OUT_OP_LOG;
+		case VP_OPCODE_MAD: return R300_VPI_OUT_OP_MAD;
+		case VP_OPCODE_MAX: return R300_VPI_OUT_OP_MAX;
+		case VP_OPCODE_MIN: return R300_VPI_OUT_OP_MIN;
+		case VP_OPCODE_MUL: return R300_VPI_OUT_OP_MUL;
+		case VP_OPCODE_POW: return R300_VPI_OUT_OP_POW;
+		case VP_OPCODE_RCP: return R300_VPI_OUT_OP_RCP;
+		case VP_OPCODE_RSQ: return R300_VPI_OUT_OP_RSQ;
+		case VP_OPCODE_SGE: return R300_VPI_OUT_OP_SGE;
+		case VP_OPCODE_SLT: return R300_VPI_OUT_OP_SLT;
+		/* these ops need special handling */
+		case VP_OPCODE_ABS: 
+		case VP_OPCODE_ARL:
+		case VP_OPCODE_DP3:
+		case VP_OPCODE_DP4:
+		case VP_OPCODE_DPH:
+		case VP_OPCODE_FLR:
+		case VP_OPCODE_MOV:
+		case VP_OPCODE_SUB:
+		case VP_OPCODE_SWZ:
+		case VP_OPCODE_XPD:
+		case VP_OPCODE_RCC:
+		case VP_OPCODE_PRINT:
+		case VP_OPCODE_END:
+			fprintf(stderr, "%s should not be called with opcode %d", __FUNCTION__, opcode);
+		break;
+		default: 
+			fprintf(stderr, "%s unknown opcode %d", __FUNCTION__, opcode);
+	}
+	exit(-1);
+	return 0;
+}
+		
+static void translate_program(struct r300_vertex_program *vp)
+{
+	struct vertex_program *mesa_vp=(void *)vp;
+	struct vp_instruction *vpi;
+	int inst_index=0;
+	int operand_index, i;
+	int op_found;	
+	update_params(vp);
+	
+	vp->program.length=0;
+	
+	for(vpi=mesa_vp->Instructions; vpi->Opcode != VP_OPCODE_END; vpi++, inst_index++){
+		switch(vpi->Opcode){
+		case VP_OPCODE_ABS: 
+		case VP_OPCODE_ARL:
+		case VP_OPCODE_DP3:
+		case VP_OPCODE_DP4:
+		case VP_OPCODE_DPH:
+		case VP_OPCODE_DST:
+		case VP_OPCODE_FLR:
+		case VP_OPCODE_MOV:
+		case VP_OPCODE_SUB:
+		case VP_OPCODE_SWZ:
+		case VP_OPCODE_XPD:
+		case VP_OPCODE_RCC:
+		case VP_OPCODE_PRINT:
+			fprintf(stderr, "Dont know how to handle op %d yet\n", vpi->Opcode);
+			exit(-1);
+		break;
+		case VP_OPCODE_END:
+			break;
+		default:
+			break;
+		}
+		vp->program.body.i[inst_index].op=MAKE_VSF_OP(translate_opcode(vpi->Opcode), vpi->DstReg.Index,
+				translate_dst_mask(vpi->DstReg.WriteMask), translate_dst_class(vpi->DstReg.File));
+		
+		op_found=0;
+		for(i=0; i < sizeof(op_names) / sizeof(*op_names); i++)
+			if(op_names[i].opcode == vpi->Opcode){
+				op_found=1;
+				break;
+			}
+		if(!op_found){
+			fprintf(stderr, "op %d not found in op_names\n", vpi->Opcode);
+			exit(-1);
+		}
+			
+		switch(op_names[i].ip){
+			case 1:
+				vp->program.body.i[inst_index].src1=translate_src(&vpi->SrcReg[0]);
+				vp->program.body.i[inst_index].src2=0;
+				vp->program.body.i[inst_index].src3=0;
+			break;
+			
+			case 2:
+				vp->program.body.i[inst_index].src1=translate_src(&vpi->SrcReg[0]);
+				vp->program.body.i[inst_index].src2=translate_src(&vpi->SrcReg[1]);
+				vp->program.body.i[inst_index].src3=0;
+			break;
+			
+			case 3:
+				vp->program.body.i[inst_index].src1=translate_src(&vpi->SrcReg[0]);
+				vp->program.body.i[inst_index].src2=translate_src(&vpi->SrcReg[1]);
+				vp->program.body.i[inst_index].src3=translate_src(&vpi->SrcReg[2]);
+			break;
+			
+			default:
+				fprintf(stderr, "scalars and op RCC not handled yet");
+				exit(-1);
+			break;
+		}
+	}
+	vp->program.length=inst_index*4;
+
+}
+
 static void r300BindProgram(GLcontext *ctx, GLenum target, struct program *prog)
 {
 	fprintf(stderr, "r300BindProgram\n");