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Diffstat (limited to 'src/gallium/drivers/softpipe/sp_fs_llvm.c')
-rw-r--r--src/gallium/drivers/softpipe/sp_fs_llvm.c200
1 files changed, 200 insertions, 0 deletions
diff --git a/src/gallium/drivers/softpipe/sp_fs_llvm.c b/src/gallium/drivers/softpipe/sp_fs_llvm.c
new file mode 100644
index 0000000000..34adac5226
--- /dev/null
+++ b/src/gallium/drivers/softpipe/sp_fs_llvm.c
@@ -0,0 +1,200 @@
+/**************************************************************************
+ *
+ * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * 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
+ * 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.
+ *
+ **************************************************************************/
+
+/* Authors:
+ * Zack Rusin
+ */
+
+#include "sp_context.h"
+#include "sp_state.h"
+#include "sp_fs.h"
+
+
+#include "pipe/p_state.h"
+#include "pipe/p_defines.h"
+#include "util/u_memory.h"
+#include "pipe/p_inlines.h"
+#include "tgsi/tgsi_sse2.h"
+
+#if 0
+
+struct sp_llvm_fragment_shader {
+ struct sp_fragment_shader base;
+ struct gallivm_prog *llvm_prog;
+};
+
+static void
+shade_quad_llvm(struct quad_stage *qs,
+ struct quad_header *quad)
+{
+ struct quad_shade_stage *qss = quad_shade_stage(qs);
+ struct softpipe_context *softpipe = qs->softpipe;
+ float dests[4][16][4] ALIGN16_ATTRIB;
+ float inputs[4][16][4] ALIGN16_ATTRIB;
+ const float fx = (float) quad->x0;
+ const float fy = (float) quad->y0;
+ struct gallivm_prog *llvm = qss->llvm_prog;
+
+ inputs[0][0][0] = fx;
+ inputs[1][0][0] = fx + 1.0f;
+ inputs[2][0][0] = fx;
+ inputs[3][0][0] = fx + 1.0f;
+
+ inputs[0][0][1] = fy;
+ inputs[1][0][1] = fy;
+ inputs[2][0][1] = fy + 1.0f;
+ inputs[3][0][1] = fy + 1.0f;
+
+
+ gallivm_prog_inputs_interpolate(llvm, inputs, quad->coef);
+
+#if DLLVM
+ debug_printf("MASK = %d\n", quad->mask);
+ for (int i = 0; i < 4; ++i) {
+ for (int j = 0; j < 2; ++j) {
+ debug_printf("IN(%d,%d) [%f %f %f %f]\n", i, j,
+ inputs[i][j][0], inputs[i][j][1], inputs[i][j][2], inputs[i][j][3]);
+ }
+ }
+#endif
+
+ quad->mask &=
+ gallivm_fragment_shader_exec(llvm, fx, fy, dests, inputs,
+ softpipe->mapped_constants[PIPE_SHADER_FRAGMENT],
+ qss->samplers);
+#if DLLVM
+ debug_printf("OUT LLVM = 1[%f %f %f %f], 2[%f %f %f %f]\n",
+ dests[0][0][0], dests[0][0][1], dests[0][0][2], dests[0][0][3],
+ dests[0][1][0], dests[0][1][1], dests[0][1][2], dests[0][1][3]);
+#endif
+
+ /* store result color */
+ if (qss->colorOutSlot >= 0) {
+ unsigned i;
+ /* XXX need to handle multiple color outputs someday */
+ allvmrt(qss->stage.softpipe->fs->info.output_semantic_name[qss->colorOutSlot]
+ == TGSI_SEMANTIC_COLOR);
+ for (i = 0; i < QUAD_SIZE; ++i) {
+ quad->outputs.color[0][0][i] = dests[i][qss->colorOutSlot][0];
+ quad->outputs.color[0][1][i] = dests[i][qss->colorOutSlot][1];
+ quad->outputs.color[0][2][i] = dests[i][qss->colorOutSlot][2];
+ quad->outputs.color[0][3][i] = dests[i][qss->colorOutSlot][3];
+ }
+ }
+#if DLLVM
+ for (int i = 0; i < QUAD_SIZE; ++i) {
+ debug_printf("QLLVM%d(%d) [%f, %f, %f, %f]\n", i, qss->colorOutSlot,
+ quad->outputs.color[0][0][i],
+ quad->outputs.color[0][1][i],
+ quad->outputs.color[0][2][i],
+ quad->outputs.color[0][3][i]);
+ }
+#endif
+
+ /* store result Z */
+ if (qss->depthOutSlot >= 0) {
+ /* output[slot] is new Z */
+ uint i;
+ for (i = 0; i < 4; i++) {
+ quad->outputs.depth[i] = dests[i][0][2];
+ }
+ }
+ else {
+ /* copy input Z (which was interpolated by the executor) to output Z */
+ uint i;
+ for (i = 0; i < 4; i++) {
+ quad->outputs.depth[i] = inputs[i][0][2];
+ }
+ }
+#if DLLVM
+ debug_printf("D [%f, %f, %f, %f] mask = %d\n",
+ quad->outputs.depth[0],
+ quad->outputs.depth[1],
+ quad->outputs.depth[2],
+ quad->outputs.depth[3], quad->mask);
+#endif
+
+ /* shader may cull fragments */
+ if( quad->mask ) {
+ qs->next->run( qs->next, quad );
+ }
+}
+
+
+unsigned
+run_llvm_fs( const struct sp_fragment_shader *base,
+ struct foo *machine )
+{
+}
+
+
+void
+delete_llvm_fs( struct sp_fragment_shader *base )
+{
+ FREE(base);
+}
+
+
+struct sp_fragment_shader *
+softpipe_create_fs_llvm(struct softpipe_context *softpipe,
+ const struct pipe_shader_state *templ)
+{
+ struct sp_llvm_fragment_shader *shader = NULL;
+
+ /* LLVM fragment shaders currently disabled:
+ */
+ state = CALLOC_STRUCT(sp_llvm_shader_state);
+ if (!state)
+ return NULL;
+
+ state->llvm_prog = 0;
+
+ if (!gallivm_global_cpu_engine()) {
+ gallivm_cpu_engine_create(state->llvm_prog);
+ }
+ else
+ gallivm_cpu_jit_compile(gallivm_global_cpu_engine(), state->llvm_prog);
+
+ if (shader) {
+ shader->base.run = run_llvm_fs;
+ shader->base.delete = delete_llvm_fs;
+ }
+
+ return shader;
+}
+
+
+#else
+
+struct sp_fragment_shader *
+softpipe_create_fs_llvm(struct softpipe_context *softpipe,
+ const struct pipe_shader_state *templ)
+{
+ return NULL;
+}
+
+#endif
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