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Diffstat (limited to 'src/gallium/drivers/freedreno/freedreno_program.c')
-rw-r--r--src/gallium/drivers/freedreno/freedreno_program.c128
1 files changed, 128 insertions, 0 deletions
diff --git a/src/gallium/drivers/freedreno/freedreno_program.c b/src/gallium/drivers/freedreno/freedreno_program.c
new file mode 100644
index 00000000000..aaf157f3049
--- /dev/null
+++ b/src/gallium/drivers/freedreno/freedreno_program.c
@@ -0,0 +1,128 @@
+/* -*- mode: C; c-file-style: "k&r"; tab-width 4; indent-tabs-mode: t; -*- */
+
+/*
+ * Copyright (C) 2014 Rob Clark <[email protected]>
+ *
+ * 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 (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 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.
+ *
+ * Authors:
+ * Rob Clark <[email protected]>
+ */
+
+#include "tgsi/tgsi_text.h"
+
+#include "freedreno_program.h"
+#include "freedreno_context.h"
+
+static void
+fd_fp_state_bind(struct pipe_context *pctx, void *hwcso)
+{
+ struct fd_context *ctx = fd_context(pctx);
+ ctx->prog.fp = hwcso;
+ ctx->prog.dirty |= FD_SHADER_DIRTY_FP;
+ ctx->dirty |= FD_DIRTY_PROG;
+}
+
+static void
+fd_vp_state_bind(struct pipe_context *pctx, void *hwcso)
+{
+ struct fd_context *ctx = fd_context(pctx);
+ ctx->prog.vp = hwcso;
+ ctx->prog.dirty |= FD_SHADER_DIRTY_VP;
+ ctx->dirty |= FD_DIRTY_PROG;
+}
+
+static const char *solid_fp =
+ "FRAG \n"
+ "PROPERTY FS_COLOR0_WRITES_ALL_CBUFS 1 \n"
+ "DCL CONST[0] \n"
+ "DCL OUT[0], COLOR \n"
+ " 0: MOV OUT[0], CONST[0] \n"
+ " 1: END \n";
+
+static const char *solid_vp =
+ "VERT \n"
+ "DCL IN[0] \n"
+ "DCL OUT[0], POSITION \n"
+ " 0: MOV OUT[0], IN[0] \n"
+ " 1: END \n";
+
+static const char *blit_fp =
+ "FRAG \n"
+ "PROPERTY FS_COLOR0_WRITES_ALL_CBUFS 1 \n"
+ "DCL IN[0], TEXCOORD \n"
+ "DCL OUT[0], COLOR \n"
+ "DCL SAMP[0] \n"
+ " 0: TEX OUT[0], IN[0], SAMP[0], 2D \n"
+ " 1: END \n";
+
+static const char *blit_vp =
+ "VERT \n"
+ "DCL IN[0] \n"
+ "DCL IN[1] \n"
+ "DCL OUT[0], TEXCOORD \n"
+ "DCL OUT[1], POSITION \n"
+ " 0: MOV OUT[0], IN[0] \n"
+ " 0: MOV OUT[1], IN[1] \n"
+ " 1: END \n";
+
+static void * assemble_tgsi(struct pipe_context *pctx,
+ const char *src, bool frag)
+{
+ struct tgsi_token toks[32];
+ struct pipe_shader_state cso = {
+ .tokens = toks,
+ };
+
+ tgsi_text_translate(src, toks, ARRAY_SIZE(toks));
+
+ if (frag)
+ return pctx->create_fs_state(pctx, &cso);
+ else
+ return pctx->create_vs_state(pctx, &cso);
+}
+
+void fd_prog_init(struct pipe_context *pctx)
+{
+ struct fd_context *ctx = fd_context(pctx);
+
+ pctx->bind_fs_state = fd_fp_state_bind;
+ pctx->bind_vs_state = fd_vp_state_bind;
+
+ // XXX for now, let a2xx keep it's own hand-rolled shaders
+ // for solid and blit progs:
+ if (ctx->screen->gpu_id < 300)
+ return;
+
+ ctx->solid_prog.fp = assemble_tgsi(pctx, solid_fp, true);
+ ctx->solid_prog.vp = assemble_tgsi(pctx, solid_vp, false);
+ ctx->blit_prog.fp = assemble_tgsi(pctx, blit_fp, true);
+ ctx->blit_prog.vp = assemble_tgsi(pctx, blit_vp, false);
+}
+
+void fd_prog_fini(struct pipe_context *pctx)
+{
+ struct fd_context *ctx = fd_context(pctx);
+
+ pctx->delete_vs_state(pctx, ctx->solid_prog.vp);
+ pctx->delete_fs_state(pctx, ctx->solid_prog.fp);
+ pctx->delete_vs_state(pctx, ctx->blit_prog.vp);
+ pctx->delete_fs_state(pctx, ctx->blit_prog.fp);
+}