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virgl: drop helper module.

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This was originally to be used by qemu, but we didn't need it
in the end.
macos/master
Dave Airlie 9 years ago
parent 92b00c978b
commit 89c5b02ec1
3 changed files with 1 additions and 138 deletions
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
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  1. 3
      src/Makefile.am
  2. 40
      src/virgl_helper.h
  3. 96
      src/vrend_renderer_helper.c

3
src/Makefile.am
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@ -32,7 +32,6 @@ libvrend_la_SOURCES = \
vrend_blitter.c \ vrend_blitter.c \
vrend_blitter.h \ vrend_blitter.h \
iov.c \ iov.c \
vrend_renderer_helper.c \
virgl_egl_context.c virgl_egl_context.c
lib_LTLIBRARIES = libvirglrenderer.la lib_LTLIBRARIES = libvirglrenderer.la
@ -46,7 +45,7 @@ libvirglrenderer_la_LIBADD = libvrend.la gallium/auxiliary/libgallium.la
libvirglrenderer_la_LDFLAGS = $(GM_LDFLAGS) $(EPOXY_LDFLAGS) libvirglrenderer_la_LDFLAGS = $(GM_LDFLAGS) $(EPOXY_LDFLAGS)
libvirglrendererincludedir = ${includedir}/virgl libvirglrendererincludedir = ${includedir}/virgl
libvirglrendererinclude_HEADERS = virglrenderer.h virgl_helper.h virgl_egl.h libvirglrendererinclude_HEADERS = virglrenderer.h virgl_egl.h
EXTRA_DIST = gallium/include EXTRA_DIST = gallium/include

40
src/virgl_helper.h
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@ -1,40 +0,0 @@
/**************************************************************************
*
* Copyright (C) 2014 Red Hat Inc.
*
* 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.
*
**************************************************************************/
#ifndef VIRGL_HELPER_H
#define VIRGL_HELPER_H
#define GREND_EXPORT __attribute__((visibility("default")))
/* add helpers for local renderers - not used by remote viewers */
#define VIRGL_HELPER_Y_0_TOP (1 << 0)
GREND_EXPORT void virgl_helper_scanout_info(int idx,
uint32_t tex_id,
uint32_t flags,
int x, int y,
uint32_t width, uint32_t height);
GREND_EXPORT void virgl_helper_flush_scanout(int idx,
int x, int y,
uint32_t width, uint32_t height);
#endif

96
src/vrend_renderer_helper.c
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@ -1,96 +0,0 @@
/**************************************************************************
*
* Copyright (C) 2014 Red Hat Inc.
*
* 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.
*
**************************************************************************/
/* helper library for qemu local renderers like SDL / GTK
flushes the given texture to the frontbuffer */
#include <epoxy/gl.h>
#include "virgl_helper.h"
#define MAX_HELPER_SCANOUT 4
static struct helper_scanout {
GLuint tex_id;
GLuint fb_id;
int x, y;
uint32_t width, height;
unsigned flags;
} frontbuf[MAX_HELPER_SCANOUT];
void virgl_helper_scanout_info(int idx,
uint32_t tex_id,
uint32_t flags,
int x, int y,
uint32_t width, uint32_t height)
{
frontbuf[idx].x = x;
frontbuf[idx].y = y;
frontbuf[idx].width = width;
frontbuf[idx].height = height;
frontbuf[idx].tex_id = tex_id;
frontbuf[idx].flags = flags;
if (tex_id == 0 && width == 0 && height == 0) {
if (frontbuf[idx].fb_id) {
glFramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT0_EXT,
GL_TEXTURE_2D, 0, 0);
glDeleteFramebuffers(1, &frontbuf[idx].fb_id);
frontbuf[idx].fb_id = 0;
}
return;
}
if (!frontbuf[idx].fb_id)
glGenFramebuffers(1, &frontbuf[idx].fb_id);
glBindFramebuffer(GL_FRAMEBUFFER_EXT, frontbuf[idx].fb_id);
glFramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT0_EXT,
GL_TEXTURE_2D, tex_id, 0);
}
void virgl_helper_flush_scanout(int idx,
int x, int y,
uint32_t width, uint32_t height)
{
uint32_t sy1, sy2, dy1, dy2;
if (!frontbuf[idx].width || !frontbuf[idx].height)
return;
glBindFramebuffer(GL_READ_FRAMEBUFFER, frontbuf[idx].fb_id);
glBindFramebuffer(GL_DRAW_FRAMEBUFFER, 0);
dy1 = frontbuf[idx].height - y - frontbuf[idx].y;
dy2 = frontbuf[idx].height - y - height - frontbuf[idx].y;
if (frontbuf[idx].flags & VIRGL_HELPER_Y_0_TOP) {
sy1 = frontbuf[idx].height - y;
sy2 = frontbuf[idx].height - y - height;
} else {
sy1 = y;
sy2 = y + height;
}
glViewport(0, 0, frontbuf[idx].width, frontbuf[idx].height);
glBlitFramebuffer(x, sy1, x + width, sy2,
x - frontbuf[idx].x, dy1, x + width - frontbuf[idx].x, dy2,
GL_COLOR_BUFFER_BIT, GL_NEAREST);
}
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