r300-gallium: Stubs for vertex shaders.

1 files changed, 72 insertions, 0 deletions

diff --git a/src/gallium/drivers/r300/r300_state_tcl.h b/src/gallium/drivers/r300/r300_state_tcl.h
new file mode 100644
index 0000000000..54900cc191
--- /dev/null
+++ b/src/gallium/drivers/r300/r300_state_tcl.h
@@ -0,0 +1,72 @@
+/*
+ * Copyright 2009 Corbin Simpson <MostAwesomeDude@gmail.com>
+ *
+ * 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
+ * on 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
+ * THE AUTHOR(S) AND/OR THEIR 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. */
+
+#ifndef R300_STATE_TCL_H
+#define R300_STATE_TCL_H
+
+#include "tgsi/tgsi_parse.h"
+
+#include "r300_context.h"
+#include "r300_debug.h"
+#include "r300_reg.h"
+#include "r300_screen.h"
+
+/* XXX get these to r300_reg */
+#define R300_PVS_DST_OPCODE(x)   ((x) << 0)
+#   define R300_VE_ADD                    3
+#define R300_PVS_DST_REG_TYPE(x) ((x) << 8)
+#   define R300_PVS_DST_REG_TEMPORARY     0
+#   define R300_PVS_DST_REG_A0            1
+#   define R300_PVS_DST_REG_OUT           2
+#   define R300_PVS_DST_REG_OUT_REPL_X    3
+#   define R300_PVS_DST_REG_ALT_TEMPORARY 4
+#   define R300_PVS_DST_REG_INPUT         5
+#define R300_PVS_DST_OFFSET(x)   ((x) << 13)
+#define R300_PVS_DST_WE_SHIFT    20
+
+/* Temporary struct used to hold assembly state while putting together
+ * fragment programs. */
+struct r300_vs_asm {
+    /* Pipe context. */
+    struct r300_context* r300;
+    /* Number of colors. */
+    unsigned color_count;
+    /* Number of texcoords. */
+    unsigned tex_count;
+    /* Offset for temporary registers. Inputs and temporaries have no
+     * distinguishing markings, so inputs start at 0 and the first usable
+     * temporary register is after all inputs. */
+    unsigned temp_offset;
+    /* Number of requested temporary registers. */
+    unsigned temp_count;
+    /* Offset for immediate constants. Neither R300 nor R500 can do four
+     * inline constants per source, so instead we copy immediates into the
+     * constant buffer. */
+    unsigned imm_offset;
+    /* Number of immediate constants. */
+    unsigned imm_count;
+};
+
+void r300_translate_vertex_shader(struct r300_context* r300,
+                                  struct r300_vertex_shader* vs);
+
+#endif /* R300_STATE_TCL_H */