/**************************************************************************
*
* Copyright 2009 VMware, Inc.
- * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * Copyright 2007 VMware, Inc.
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
- * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
/**
* @author Jose Fonseca <jfonseca@vmware.com>
- * @author Keith Whitwell <keith@tungstengraphics.com>
+ * @author Keith Whitwell <keithw@vmware.com>
*/
#include "util/u_memory.h"
#include "util/u_math.h"
-#include "util/u_debug_dump.h"
+#include "util/u_dump.h"
+#include "draw/draw_context.h"
#include "lp_screen.h"
#include "lp_context.h"
#include "lp_state.h"
+#include "lp_debug.h"
-#include "lp_bld_type.h"
-#include "lp_bld_arit.h"
-#include "lp_bld_logic.h"
-#include "lp_bld_blend.h"
-#include "lp_bld_debug.h"
-
-/**
- * Generate blending code according to blend->base state.
- * The blend function will look like:
- * blend(mask, src_color, constant color, dst_color)
- * dst_color will be modified and contain the result of the blend func.
- */
-static void
-blend_generate(struct llvmpipe_screen *screen,
- struct lp_blend_state *blend)
+static void *
+llvmpipe_create_blend_state(struct pipe_context *pipe,
+ const struct pipe_blend_state *blend)
{
- union lp_type type;
- struct lp_build_context bld;
- LLVMTypeRef vec_type;
- LLVMTypeRef int_vec_type;
- LLVMTypeRef arg_types[4];
- LLVMTypeRef func_type;
- LLVMValueRef mask_ptr;
- LLVMValueRef src_ptr;
- LLVMValueRef dst_ptr;
- LLVMValueRef const_ptr;
- LLVMBasicBlockRef block;
- LLVMBuilderRef builder;
- LLVMValueRef mask;
- LLVMValueRef src[4];
- LLVMValueRef con[4];
- LLVMValueRef dst[4];
- LLVMValueRef res[4];
- unsigned i;
-
- type.value = 0;
- type.floating = FALSE; /* values are integers */
- type.sign = FALSE; /* values are unsigned */
- type.norm = TRUE; /* values are in [0,1] or [-1,1] */
- type.width = 8; /* 8-bit ubyte values */
- type.length = 16; /* 16 elements per vector */
-
- vec_type = lp_build_vec_type(type);
- int_vec_type = lp_build_int_vec_type(type);
-
- arg_types[0] = LLVMPointerType(int_vec_type, 0); /* mask */
- arg_types[1] = LLVMPointerType(vec_type, 0); /* src */
- arg_types[2] = LLVMPointerType(vec_type, 0); /* con */
- arg_types[3] = LLVMPointerType(vec_type, 0); /* dst */
- func_type = LLVMFunctionType(LLVMVoidType(), arg_types, Elements(arg_types), 0);
- blend->function = LLVMAddFunction(screen->module, "blend", func_type);
- LLVMSetFunctionCallConv(blend->function, LLVMCCallConv);
-
- mask_ptr = LLVMGetParam(blend->function, 0);
- src_ptr = LLVMGetParam(blend->function, 1);
- const_ptr = LLVMGetParam(blend->function, 2);
- dst_ptr = LLVMGetParam(blend->function, 3);
-
- block = LLVMAppendBasicBlock(blend->function, "entry");
- builder = LLVMCreateBuilder();
- LLVMPositionBuilderAtEnd(builder, block);
-
- lp_build_context_init(&bld, builder, type);
-
- mask = LLVMBuildLoad(builder, mask_ptr, "mask");
-
- for(i = 0; i < 4; ++i) {
- LLVMValueRef index = LLVMConstInt(LLVMInt32Type(), i, 0);
-
- src[i] = LLVMBuildLoad(builder, LLVMBuildGEP(builder, src_ptr, &index, 1, ""), "");
- con[i] = LLVMBuildLoad(builder, LLVMBuildGEP(builder, const_ptr, &index, 1, ""), "");
- dst[i] = LLVMBuildLoad(builder, LLVMBuildGEP(builder, dst_ptr, &index, 1, ""), "");
-
- lp_build_name(src[i], "src.%c", "rgba"[i]);
- lp_build_name(con[i], "con.%c", "rgba"[i]);
- lp_build_name(dst[i], "dst.%c", "rgba"[i]);
- }
-
- lp_build_blend_soa(builder, &blend->base, type, src, dst, con, res);
+ struct pipe_blend_state *state = mem_dup(blend, sizeof *blend);
+ int i;
- for(i = 0; i < 4; ++i) {
- LLVMValueRef index = LLVMConstInt(LLVMInt32Type(), i, 0);
- lp_build_name(res[i], "res.%c", "rgba"[i]);
- res[i] = lp_build_select(&bld, mask, res[i], dst[i]);
- LLVMBuildStore(builder, res[i], LLVMBuildGEP(builder, dst_ptr, &index, 1, ""));
+ if (LP_PERF & PERF_NO_BLEND) {
+ state->independent_blend_enable = 0;
+ for (i = 0; i < PIPE_MAX_COLOR_BUFS; i++)
+ state->rt[i].blend_enable = 0;
}
- LLVMBuildRetVoid(builder);;
-
- LLVMDisposeBuilder(builder);
+ return state;
}
-void *
-llvmpipe_create_blend_state(struct pipe_context *pipe,
- const struct pipe_blend_state *base)
+static void
+llvmpipe_bind_blend_state(struct pipe_context *pipe, void *blend)
{
- struct llvmpipe_screen *screen = llvmpipe_screen(pipe->screen);
- struct lp_blend_state *blend;
-
- blend = CALLOC_STRUCT(lp_blend_state);
- if(!blend)
- return NULL;
-
- blend->base = *base;
-
- blend_generate(screen, blend);
-
- LLVMRunFunctionPassManager(screen->pass, blend->function);
-
-#ifdef DEBUG
- debug_printf("%s=%s %s=%s %s=%s %s=%s %s=%s %s=%s\n",
- "rgb_func", debug_dump_blend_func (blend->base.rgb_func, TRUE),
- "rgb_src_factor", debug_dump_blend_factor(blend->base.rgb_src_factor, TRUE),
- "rgb_dst_factor", debug_dump_blend_factor(blend->base.rgb_dst_factor, TRUE),
- "alpha_func", debug_dump_blend_func (blend->base.alpha_func, TRUE),
- "alpha_src_factor", debug_dump_blend_factor(blend->base.alpha_src_factor, TRUE),
- "alpha_dst_factor", debug_dump_blend_factor(blend->base.alpha_dst_factor, TRUE));
- LLVMDumpValue(blend->function);
- debug_printf("\n");
-#endif
-
- if(LLVMVerifyFunction(blend->function, LLVMPrintMessageAction)) {
- LLVMDumpValue(blend->function);
- abort();
- }
+ struct llvmpipe_context *llvmpipe = llvmpipe_context(pipe);
- blend->jit_function = (lp_blend_func)LLVMGetPointerToGlobal(screen->engine, blend->function);
+ if (llvmpipe->blend == blend)
+ return;
-#ifdef DEBUG
- lp_disassemble(blend->jit_function);
-#endif
+ draw_flush(llvmpipe->draw);
- return blend;
-}
-
-void llvmpipe_bind_blend_state( struct pipe_context *pipe,
- void *blend )
-{
- struct llvmpipe_context *llvmpipe = llvmpipe_context(pipe);
-
- llvmpipe->blend = (struct lp_blend_state *)blend;
+ llvmpipe->blend = blend;
llvmpipe->dirty |= LP_NEW_BLEND;
}
-void llvmpipe_delete_blend_state(struct pipe_context *pipe,
- void *_blend)
-{
- struct llvmpipe_screen *screen = llvmpipe_screen(pipe->screen);
- struct lp_blend_state *blend = (struct lp_blend_state *)_blend;
-
- if(blend->function) {
- if(blend->jit_function)
- LLVMFreeMachineCodeForFunction(screen->engine, blend->function);
- LLVMDeleteFunction(blend->function);
- }
+static void
+llvmpipe_delete_blend_state(struct pipe_context *pipe, void *blend)
+{
FREE( blend );
}
-void llvmpipe_set_blend_color( struct pipe_context *pipe,
- const struct pipe_blend_color *blend_color )
+static void
+llvmpipe_set_blend_color(struct pipe_context *pipe,
+ const struct pipe_blend_color *blend_color)
{
struct llvmpipe_context *llvmpipe = llvmpipe_context(pipe);
- unsigned i, j;
- for (i = 0; i < 4; ++i)
- for (j = 0; j < 16; ++j)
- llvmpipe->blend_color[i][j] = float_to_ubyte(blend_color->color[i]);
+ if (!blend_color)
+ return;
- llvmpipe->dirty |= LP_NEW_BLEND;
+ if(memcmp(&llvmpipe->blend_color, blend_color, sizeof *blend_color) == 0)
+ return;
+
+ draw_flush(llvmpipe->draw);
+
+ memcpy(&llvmpipe->blend_color, blend_color, sizeof *blend_color);
+
+ llvmpipe->dirty |= LP_NEW_BLEND_COLOR;
}
*/
-void *
+static void *
llvmpipe_create_depth_stencil_state(struct pipe_context *pipe,
const struct pipe_depth_stencil_alpha_state *depth_stencil)
{
- return mem_dup(depth_stencil, sizeof(*depth_stencil));
+ struct pipe_depth_stencil_alpha_state *state;
+
+ state = mem_dup(depth_stencil, sizeof *depth_stencil);
+
+ if (LP_PERF & PERF_NO_DEPTH) {
+ state->depth.enabled = 0;
+ state->depth.writemask = 0;
+ state->stencil[0].enabled = 0;
+ state->stencil[1].enabled = 0;
+ }
+
+ if (LP_PERF & PERF_NO_ALPHATEST) {
+ state->alpha.enabled = 0;
+ }
+
+ return state;
}
-void
+
+static void
llvmpipe_bind_depth_stencil_state(struct pipe_context *pipe,
void *depth_stencil)
{
struct llvmpipe_context *llvmpipe = llvmpipe_context(pipe);
- llvmpipe->depth_stencil = (const struct pipe_depth_stencil_alpha_state *)depth_stencil;
+ if (llvmpipe->depth_stencil == depth_stencil)
+ return;
+
+ draw_flush(llvmpipe->draw);
+
+ llvmpipe->depth_stencil = depth_stencil;
llvmpipe->dirty |= LP_NEW_DEPTH_STENCIL_ALPHA;
}
-void
+
+static void
llvmpipe_delete_depth_stencil_state(struct pipe_context *pipe, void *depth)
{
FREE( depth );
}
+
+
+static void
+llvmpipe_set_stencil_ref(struct pipe_context *pipe,
+ const struct pipe_stencil_ref *stencil_ref)
+{
+ struct llvmpipe_context *llvmpipe = llvmpipe_context(pipe);
+
+ if (!stencil_ref)
+ return;
+
+ if(memcmp(&llvmpipe->stencil_ref, stencil_ref, sizeof *stencil_ref) == 0)
+ return;
+
+ draw_flush(llvmpipe->draw);
+
+ memcpy(&llvmpipe->stencil_ref, stencil_ref, sizeof *stencil_ref);
+
+ /* not sure. want new flag? */
+ llvmpipe->dirty |= LP_NEW_DEPTH_STENCIL_ALPHA;
+}
+
+static void
+llvmpipe_set_sample_mask(struct pipe_context *pipe,
+ unsigned sample_mask)
+{
+ struct llvmpipe_context *llvmpipe = llvmpipe_context(pipe);
+
+ if (sample_mask != llvmpipe->sample_mask) {
+ llvmpipe->sample_mask = sample_mask;
+
+ llvmpipe->dirty |= LP_NEW_RASTERIZER;
+ }
+}
+
+void
+llvmpipe_init_blend_funcs(struct llvmpipe_context *llvmpipe)
+{
+ llvmpipe->pipe.create_blend_state = llvmpipe_create_blend_state;
+ llvmpipe->pipe.bind_blend_state = llvmpipe_bind_blend_state;
+ llvmpipe->pipe.delete_blend_state = llvmpipe_delete_blend_state;
+
+ llvmpipe->pipe.create_depth_stencil_alpha_state = llvmpipe_create_depth_stencil_state;
+ llvmpipe->pipe.bind_depth_stencil_alpha_state = llvmpipe_bind_depth_stencil_state;
+ llvmpipe->pipe.delete_depth_stencil_alpha_state = llvmpipe_delete_depth_stencil_state;
+
+ llvmpipe->pipe.set_blend_color = llvmpipe_set_blend_color;
+
+ llvmpipe->pipe.set_stencil_ref = llvmpipe_set_stencil_ref;
+ llvmpipe->pipe.set_sample_mask = llvmpipe_set_sample_mask;
+
+ llvmpipe->sample_mask = ~0;
+}