[Mesa-dev] [PATCH 4/9] st/mesa: add st_CopyImageSubData() function
Brian Paul
brianp at vmware.com
Thu Aug 27 16:47:56 PDT 2015
From: Neha Bhende <nbhende at vmware.com>
Basically, get the src/dst pipe_resource surfaces and call the
pipe_context::resource_copy_region() function.
Reviewed-by: Marek Olšák <marek.olsak at amd.com>
---
src/mesa/Makefile.sources | 2 +
src/mesa/state_tracker/st_cb_copyimage.c | 94 ++++++++++++++++++++++++++++++++
src/mesa/state_tracker/st_cb_copyimage.h | 34 ++++++++++++
src/mesa/state_tracker/st_context.c | 2 +
4 files changed, 132 insertions(+)
create mode 100644 src/mesa/state_tracker/st_cb_copyimage.c
create mode 100644 src/mesa/state_tracker/st_cb_copyimage.h
diff --git a/src/mesa/Makefile.sources b/src/mesa/Makefile.sources
index ed9848c..3eb9258 100644
--- a/src/mesa/Makefile.sources
+++ b/src/mesa/Makefile.sources
@@ -421,6 +421,8 @@ STATETRACKER_FILES = \
state_tracker/st_cb_clear.h \
state_tracker/st_cb_condrender.c \
state_tracker/st_cb_condrender.h \
+ state_tracker/st_cb_copyimage.h \
+ state_tracker/st_cb_copyimage.c \
state_tracker/st_cb_drawpixels.c \
state_tracker/st_cb_drawpixels.h \
state_tracker/st_cb_drawtex.c \
diff --git a/src/mesa/state_tracker/st_cb_copyimage.c b/src/mesa/state_tracker/st_cb_copyimage.c
new file mode 100644
index 0000000..6d68996
--- /dev/null
+++ b/src/mesa/state_tracker/st_cb_copyimage.c
@@ -0,0 +1,94 @@
+/**************************************************************************
+ *
+ * Copyright 2015 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, 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 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.
+ *
+ **************************************************************************/
+/*
+ * Authors:
+ * Neha Bhende
+ */
+
+#include <stdio.h>
+#include "st_context.h"
+#include "st_texture.h"
+#include "st_cb_copyimage.h"
+#include "st_cb_fbo.h"
+#include "util/u_inlines.h"
+
+
+static void
+st_CopyImageSubData(struct gl_context *ctx,
+ struct gl_texture_image *srcTexImage,
+ struct gl_renderbuffer *srcRenderbuffer, GLint srcX,
+ GLint srcY, GLint srcZ,
+ struct gl_texture_image *dstTexImage,
+ struct gl_renderbuffer *dstRenderbuffer, GLint dstX,
+ GLint dstY, GLint dstZ, GLsizei srcWidth,
+ GLsizei srcHeight)
+{
+ struct pipe_context *pipe = st_context(ctx)->pipe;
+ struct pipe_resource *src, *dst;
+ GLuint srcLevel, dstLevel;
+ struct pipe_box src_box;
+
+ /* Get pointer to source pipe_resource and setup srcLevel, srcZ */
+ if (srcTexImage) {
+ src = st_texture_image(srcTexImage)->pt;
+ srcLevel = srcTexImage->Level;
+ if (srcTexImage->Face > 0) {
+ srcZ = srcTexImage->Face;
+ }
+ }
+ else {
+ assert(srcRenderbuffer != NULL);
+ src = st_renderbuffer(srcRenderbuffer)->texture;
+ srcLevel = 0;
+ }
+
+ /* Get pointer to dest pipe_resource and setup dstLevel, dstZ */
+ if (dstTexImage) {
+ dst = st_texture_image(dstTexImage)->pt;
+ dstLevel = dstTexImage->Level;
+ if (dstTexImage->Face > 0) {
+ dstZ = dstTexImage->Face;
+ }
+ }
+ else {
+ assert(dstRenderbuffer != NULL);
+ dst = st_renderbuffer(dstRenderbuffer)->texture;
+ dstLevel = 0;
+ }
+
+ u_box_2d_zslice(srcX, srcY, srcZ, srcWidth, srcHeight, &src_box);
+
+ pipe->resource_copy_region(pipe, dst, dstLevel, dstX, dstY, dstZ,
+ src, srcLevel, &src_box);
+}
+
+
+void
+st_init_copy_image_functions(struct dd_function_table *functions)
+{
+ functions->CopyImageSubData = st_CopyImageSubData;
+}
diff --git a/src/mesa/state_tracker/st_cb_copyimage.h b/src/mesa/state_tracker/st_cb_copyimage.h
new file mode 100644
index 0000000..86cfc06
--- /dev/null
+++ b/src/mesa/state_tracker/st_cb_copyimage.h
@@ -0,0 +1,34 @@
+/***************************************************************************
+ *
+ * Copyright 2015 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, 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 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.
+ *
+ **************************************************************************/
+
+#ifndef ST_CB_COPY_IMAGE_H
+#define ST_CB_COPY_IMAGE_H
+
+extern void
+st_init_copy_image_functions(struct dd_function_table *functions);
+
+#endif /* ST_CB_COPY_IMAGE_H */
diff --git a/src/mesa/state_tracker/st_context.c b/src/mesa/state_tracker/st_context.c
index 72c23ca..f07ee64 100644
--- a/src/mesa/state_tracker/st_context.c
+++ b/src/mesa/state_tracker/st_context.c
@@ -44,6 +44,7 @@
#include "st_cb_bufferobjects.h"
#include "st_cb_clear.h"
#include "st_cb_condrender.h"
+#include "st_cb_copyimage.h"
#include "st_cb_drawpixels.h"
#include "st_cb_rasterpos.h"
#include "st_cb_drawtex.h"
@@ -415,6 +416,7 @@ void st_init_driver_functions(struct pipe_screen *screen,
st_init_blit_functions(functions);
st_init_bufferobject_functions(functions);
st_init_clear_functions(functions);
+ st_init_copy_image_functions(functions);
st_init_bitmap_functions(functions);
st_init_drawpixels_functions(functions);
st_init_rasterpos_functions(functions);
--
1.9.1
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