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Diffstat (limited to 'src/gallium/drivers/svga/svga_pipe_vs.c')
-rw-r--r--src/gallium/drivers/svga/svga_pipe_vs.c189
1 files changed, 189 insertions, 0 deletions
diff --git a/src/gallium/drivers/svga/svga_pipe_vs.c b/src/gallium/drivers/svga/svga_pipe_vs.c
new file mode 100644
index 0000000000..e5ffe668c3
--- /dev/null
+++ b/src/gallium/drivers/svga/svga_pipe_vs.c
@@ -0,0 +1,189 @@
+/**********************************************************
+ * Copyright 2008-2009 VMware, Inc. 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, sublicense, 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 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
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * 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.
+ *
+ **********************************************************/
+
+#include "draw/draw_context.h"
+#include "pipe/p_inlines.h"
+#include "util/u_math.h"
+#include "util/u_memory.h"
+#include "tgsi/tgsi_parse.h"
+#include "tgsi/tgsi_text.h"
+
+#include "svga_screen.h"
+#include "svga_context.h"
+#include "svga_state.h"
+#include "svga_tgsi.h"
+#include "svga_hw_reg.h"
+#include "svga_cmd.h"
+#include "svga_debug.h"
+
+
+static const struct tgsi_token *substitute_vs(
+ unsigned shader_id,
+ const struct tgsi_token *old_tokens )
+{
+#if 0
+ if (shader_id == 12) {
+ static struct tgsi_token tokens[300];
+
+ const char *text =
+ "VERT1.1\n"
+ "DCL IN[0]\n"
+ "DCL IN[1]\n"
+ "DCL IN[2]\n"
+ "DCL OUT[0], POSITION\n"
+ "DCL TEMP[0..4]\n"
+ "IMM FLT32 { 1.0000, 1.0000, 1.0000, 1.0000 }\n"
+ "IMM FLT32 { 0.45, 1.0000, 1.0000, 1.0000 }\n"
+ "IMM FLT32 { 1.297863, 0.039245, 0.035993, 0.035976}\n"
+ "IMM FLT32 { -0.019398, 1.696131, -0.202151, -0.202050 }\n"
+ "IMM FLT32 { 0.051711, -0.348713, -0.979204, -0.978714 }\n"
+ "IMM FLT32 { 0.000000, 0.000003, 139.491577, 141.421356 }\n"
+ "DCL CONST[0..7]\n"
+ "DCL CONST[9..16]\n"
+ " MOV TEMP[2], IMM[0]\n"
+
+ " MOV TEMP[2].xyz, IN[2]\n"
+ " MOV TEMP[2].xyz, IN[0]\n"
+ " MOV TEMP[2].xyz, IN[1]\n"
+
+ " MUL TEMP[1], IMM[3], TEMP[2].yyyy\n"
+ " MAD TEMP[3], IMM[2], TEMP[2].xxxx, TEMP[1]\n"
+ " MAD TEMP[1], IMM[4], TEMP[2].zzzz, TEMP[3]\n"
+ " MAD TEMP[4], IMM[5], TEMP[2].wwww, TEMP[1]\n"
+
+ " MOV OUT[0], TEMP[4]\n"
+ " END\n";
+
+ if (!tgsi_text_translate( text,
+ tokens,
+ Elements(tokens) ))
+ {
+ assert(0);
+ return NULL;
+ }
+
+ return tokens;
+ }
+#endif
+
+ return old_tokens;
+}
+
+
+/***********************************************************************
+ * Vertex shaders
+ */
+
+static void *
+svga_create_vs_state(struct pipe_context *pipe,
+ const struct pipe_shader_state *templ)
+{
+ struct svga_context *svga = svga_context(pipe);
+ struct svga_screen *svgascreen = svga_screen(pipe->screen);
+ struct svga_vertex_shader *vs = CALLOC_STRUCT(svga_vertex_shader);
+ if (!vs)
+ return NULL;
+
+ /* substitute a debug shader?
+ */
+ vs->base.tokens = tgsi_dup_tokens(substitute_vs(svga->debug.shader_id,
+ templ->tokens));
+
+
+ /* Collect basic info that we'll need later:
+ */
+ tgsi_scan_shader(vs->base.tokens, &vs->base.info);
+
+ {
+ /* Need to do construct a new template in case we substitued a
+ * debug shader.
+ */
+ struct pipe_shader_state tmp2 = *templ;
+ tmp2.tokens = vs->base.tokens;
+ vs->draw_shader = draw_create_vertex_shader(svga->swtnl.draw, &tmp2);
+ }
+
+ vs->base.id = svga->debug.shader_id++;
+ vs->base.use_sm30 = svgascreen->use_vs30;
+
+ if (SVGA_DEBUG & DEBUG_TGSI || 0) {
+ debug_printf("%s id: %u, inputs: %u, outputs: %u\n",
+ __FUNCTION__, vs->base.id,
+ vs->base.info.num_inputs, vs->base.info.num_outputs);
+ }
+
+ return vs;
+}
+
+static void svga_bind_vs_state(struct pipe_context *pipe, void *shader)
+{
+ struct svga_vertex_shader *vs = (struct svga_vertex_shader *)shader;
+ struct svga_context *svga = svga_context(pipe);
+
+ svga->curr.vs = vs;
+ svga->dirty |= SVGA_NEW_VS;
+}
+
+
+static void svga_delete_vs_state(struct pipe_context *pipe, void *shader)
+{
+ struct svga_context *svga = svga_context(pipe);
+ struct svga_vertex_shader *vs = (struct svga_vertex_shader *)shader;
+ struct svga_shader_result *result, *tmp;
+ enum pipe_error ret;
+
+ svga_hwtnl_flush_retry( svga );
+
+ draw_delete_vertex_shader(svga->swtnl.draw, vs->draw_shader);
+
+ for (result = vs->base.results; result; result = tmp ) {
+ tmp = result->next;
+
+ ret = SVGA3D_DestroyShader(svga->swc,
+ result->id,
+ SVGA3D_SHADERTYPE_VS );
+ if(ret != PIPE_OK) {
+ svga_context_flush(svga, NULL);
+ ret = SVGA3D_DestroyShader(svga->swc,
+ result->id,
+ SVGA3D_SHADERTYPE_VS );
+ assert(ret == PIPE_OK);
+ }
+
+ svga_destroy_shader_result( result );
+ }
+
+ FREE((void *)vs->base.tokens);
+ FREE(vs);
+}
+
+
+void svga_init_vs_functions( struct svga_context *svga )
+{
+ svga->pipe.create_vs_state = svga_create_vs_state;
+ svga->pipe.bind_vs_state = svga_bind_vs_state;
+ svga->pipe.delete_vs_state = svga_delete_vs_state;
+}
+