void
view_glx_render(struct view* view)
{
TIMER_INIT();
TIMER_START();
view_render(view);
glXSwapBuffers(view->glx_display, view->glx_window);
TIMER_STOP_PRINT("View: GlxRender");
usleep(1000);
}
void
view_glut_render()
{
struct view* view = g_glut_view;
if ( view == NULL )
return;
TIMER_INIT();
TIMER_START();
view_render(view);
glutSwapBuffers();
TIMER_STOP_PRINT("View: GlutRender");
usleep(1000);
glutPostRedisplay();
}
int
dxt_encoder_compress_texture(struct dxt_encoder* encoder, int texture, unsigned char* image_compressed)
{
#ifdef USE_PBO_DXT_ENCODER
GLubyte *ptr;
#endif
glBindTexture(GL_TEXTURE_2D, texture);
glDrawBuffer(GL_COLOR_ATTACHMENT0_EXT);
assert(GL_FRAMEBUFFER_COMPLETE == glCheckFramebufferStatus(GL_FRAMEBUFFER));
glClearColor(1,0,0,1);
glClear(GL_COLOR_BUFFER_BIT);
if(encoder->legacy) {
glBegin(GL_QUADS);
glTexCoord2f(0.0, 0.0); glVertex2f(-1.0, -1.0);
glTexCoord2f(1.0, 0.0); glVertex2f(1.0, -1.0);
glTexCoord2f(1.0, 1.0); glVertex2f(1.0, 1.0);
glTexCoord2f(0.0, 1.0); glVertex2f(-1.0, 1.0);
glEnd();
} else {
#if ! defined HAVE_MACOSX || OS_VERSION_MAJOR >= 11
// Compress
glBindVertexArray(encoder->g_vao);
//glDrawElements(GL_TRIANGLE_STRIP, sizeof(m_quad.indices) / sizeof(m_quad.indices[0]), GL_UNSIGNED_SHORT, BUFFER_OFFSET(0));
glDrawArrays(GL_TRIANGLES, 0, 6);
glBindVertexArray(0);
#endif
}
#ifdef HAVE_GPUPERFAPI
GPA_EndSample();
GPA_BeginSample(3);
#endif
#ifdef RTDXT_DEBUG
glEndQuery(GL_TIME_ELAPSED_EXT);
glBeginQuery(GL_TIME_ELAPSED_EXT, encoder->queries[3]);
#endif
#ifdef RTDXT_DEBUG_HOST
glFinish();
TIMER_STOP_PRINT("Texture Compress: ");
TIMER_START();
#endif
glReadBuffer(GL_COLOR_ATTACHMENT0_EXT);
#ifdef USE_PBO_DXT_ENCODER
// Read back
// read pixels from framebuffer to PBO
// glReadPixels() should return immediately.
glBindBufferARB(GL_PIXEL_PACK_BUFFER_ARB, encoder->pbo_out);
if ( encoder->type == DXT_TYPE_DXT5_YCOCG )
glReadPixels(0, 0, (encoder->width + 3) / 4, (encoder->height + 3) / 4, GL_RGBA_INTEGER_EXT, GL_UNSIGNED_INT, 0);
else
glReadPixels(0, 0, (encoder->width + 3) / 4, (encoder->height + 3) / 4 , GL_RGBA_INTEGER_EXT, GL_UNSIGNED_SHORT, 0);
// map the PBO to process its data by CPU
glBindBufferARB(GL_PIXEL_PACK_BUFFER_ARB, encoder->pbo_out);
ptr = (GLubyte*)glMapBufferARB(GL_PIXEL_PACK_BUFFER_ARB,
GL_READ_ONLY_ARB);
if(ptr)
{
memcpy(image_compressed, ptr, ((encoder->width + 3) / 4 * 4) * ((encoder->height + 3) / 4 * 4) / (encoder->type == DXT_TYPE_DXT5_YCOCG ? 1 : 2));
glUnmapBufferARB(GL_PIXEL_PACK_BUFFER_ARB);
}
// back to conventional pixel operation
glBindBufferARB(GL_PIXEL_PACK_BUFFER_ARB, 0);
#else
glReadPixels(0, 0, (encoder->width + 3) / 4, (encoder->height + 3) / 4, GL_RGBA_INTEGER_EXT,
encoder->type == DXT_TYPE_DXT5_YCOCG ? GL_UNSIGNED_INT : GL_UNSIGNED_SHORT, image_compressed);
#endif
#ifdef RTDXT_DEBUG_HOST
glFinish();
TIMER_STOP_PRINT("Texture Save: ");
#endif
#ifdef RTDXT_DEBUG
glEndQuery(GL_TIME_ELAPSED_EXT);
{
GLint available = 0;
GLuint64 load = 0,
convert = 0,
compress = 0,
store = 0;
while (!available) {
glGetQueryObjectiv(encoder->queries[3], GL_QUERY_RESULT_AVAILABLE, &available);
}
glGetQueryObjectui64vEXT(encoder->queries[0], GL_QUERY_RESULT, &load);
glGetQueryObjectui64vEXT(encoder->queries[1], GL_QUERY_RESULT, &convert);
glGetQueryObjectui64vEXT(encoder->queries[2], GL_QUERY_RESULT, &compress);
glGetQueryObjectui64vEXT(encoder->queries[3], GL_QUERY_RESULT, &store);
printf("Load: %8lu; YUV444->YUV422: %8lu; compress: %8lu; store: %8lu\n",
load, convert, compress, store);
}
#endif
#ifdef HAVE_GPUPERFAPI
GPA_EndSample();
GPA_EndPass();
#endif
return 0;
}
/** Documented at declaration */
int
dxt_encoder_compress(struct dxt_encoder* encoder, DXT_IMAGE_TYPE* image, unsigned char* image_compressed)
{
#ifdef RTDXT_DEBUG
glBeginQuery(GL_TIME_ELAPSED_EXT, encoder->queries[0]);
#endif
#ifdef RTDXT_DEBUG_HOST
TIMER_INIT();
TIMER_START();
#endif
#ifdef HAVE_GPUPERFAPI
GPA_BeginPass();
GPA_BeginSample(0);
#endif
#ifdef USE_PBO_DXT_ENCODER
GLubyte *ptr;
#endif
int data_size = encoder->width * encoder->height;
switch(encoder->format) {
case DXT_FORMAT_YUV422:
data_size *= 2;
break;
case DXT_FORMAT_RGB:
data_size *= 3;
break;
case DXT_FORMAT_RGBA:
case DXT_FORMAT_YUV:
data_size *= 4;
break;
}
switch(encoder->format) {
case DXT_FORMAT_YUV422:
glBindFramebuffer(GL_FRAMEBUFFER, encoder->fbo444_id);
glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0_EXT, GL_TEXTURE_2D, encoder->texture_id, 0);
glBindTexture(GL_TEXTURE_2D, encoder->texture_yuv422);
glPushAttrib(GL_VIEWPORT_BIT);
glViewport( 0, 0, encoder->width, encoder->height);
#ifdef USE_PBO_DXT_ENCODER
glBindBufferARB(GL_PIXEL_UNPACK_BUFFER_ARB, encoder->pbo_in); // current pbo
glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, encoder->width / 2, encoder->height, GL_RGBA, GL_UNSIGNED_INT_8_8_8_8_REV, 0);
glBufferDataARB(GL_PIXEL_UNPACK_BUFFER_ARB, data_size, 0, GL_STREAM_DRAW_ARB);
ptr = (GLubyte*)glMapBufferARB(GL_PIXEL_UNPACK_BUFFER_ARB, GL_WRITE_ONLY_ARB);
if(ptr)
{
// update data directly on the mapped buffer
memcpy(ptr, image, data_size);
glUnmapBufferARB(GL_PIXEL_UNPACK_BUFFER_ARB); // release pointer to mapping buffer
}
#else
glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, encoder->width / 2, encoder->height, GL_RGBA, GL_UNSIGNED_INT_8_8_8_8_REV, image);
#endif
glUseProgram(encoder->yuv422_to_444_program);
#ifdef RTDXT_DEBUG
glEndQuery(GL_TIME_ELAPSED_EXT);
glBeginQuery(GL_TIME_ELAPSED_EXT, encoder->queries[1]);
#endif
#ifdef HAVE_GPUPERFAPI
GPA_EndSample();
GPA_BeginSample(1);
#endif
if(encoder->legacy) {
glBegin(GL_QUADS);
glTexCoord2f(0.0, 0.0); glVertex2f(-1.0, -1.0);
glTexCoord2f(1.0, 0.0); glVertex2f(1.0, -1.0);
glTexCoord2f(1.0, 1.0); glVertex2f(1.0, 1.0);
glTexCoord2f(0.0, 1.0); glVertex2f(-1.0, 1.0);
glEnd();
} else {
#if ! defined HAVE_MACOSX || OS_VERSION_MAJOR >= 11
// Compress
glBindVertexArray(encoder->g_vao_422);
//glDrawElements(GL_TRIANGLE_STRIP, sizeof(m_quad.indices) / sizeof(m_quad.indices[0]), GL_UNSIGNED_SHORT, BUFFER_OFFSET(0));
glDrawArrays(GL_TRIANGLES, 0, 6);
glBindVertexArray(0);
#endif
}
glPopAttrib();
/* there is some problem with restoring viewport state (Mac OS Lion, OpenGL 3.2) */
glViewport( 0, 0, (encoder->width + 3) / 4, encoder->height / 4);
//glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0);
glUseProgram(encoder->program_compress);
glBindFramebuffer(GL_FRAMEBUFFER, encoder->fbo_id);
glBindTexture(GL_TEXTURE_2D, encoder->texture_id);
//gl_check_error();
break;
case DXT_FORMAT_YUV:
case DXT_FORMAT_RGBA:
glBindTexture(GL_TEXTURE_2D, encoder->texture_id);
#ifdef USE_PBO_DXT_ENCODER
glBindBufferARB(GL_PIXEL_UNPACK_BUFFER_ARB, encoder->pbo_in); // current pbo
glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, encoder->width, encoder->height, GL_RGBA, DXT_IMAGE_GL_TYPE, 0);
glBufferDataARB(GL_PIXEL_UNPACK_BUFFER_ARB, data_size, 0, GL_STREAM_DRAW_ARB);
ptr = (GLubyte*)glMapBufferARB(GL_PIXEL_UNPACK_BUFFER_ARB, GL_WRITE_ONLY_ARB);
if(ptr)
{
// update data directly on the mapped buffer
memcpy(ptr, image, data_size);
glUnmapBufferARB(GL_PIXEL_UNPACK_BUFFER_ARB); // release pointer to mapping buffer
}
#else
glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, encoder->width, encoder->height, GL_RGBA, DXT_IMAGE_GL_TYPE, image);
#endif
break;
case DXT_FORMAT_RGB:
glBindTexture(GL_TEXTURE_2D, encoder->texture_id);
#ifdef USE_PBO_DXT_ENCODER
glBindBufferARB(GL_PIXEL_UNPACK_BUFFER_ARB, encoder->pbo_in); // current pbo
glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, encoder->width, encoder->height, GL_RGB, GL_UNSIGNED_BYTE, 0);
glBufferDataARB(GL_PIXEL_UNPACK_BUFFER_ARB, data_size, 0, GL_STREAM_DRAW_ARB);
ptr = (GLubyte*)glMapBufferARB(GL_PIXEL_UNPACK_BUFFER_ARB, GL_WRITE_ONLY_ARB);
if(ptr)
{
// update data directly on the mapped buffer
memcpy(ptr, image, data_size);
glUnmapBufferARB(GL_PIXEL_UNPACK_BUFFER_ARB); // release pointer to mapping buffer
}
#else
glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, encoder->width, encoder->height, GL_RGB, GL_UNSIGNED_BYTE, image);
#endif
break;
}
#ifdef RTDXT_DEBUG
glEndQuery(GL_TIME_ELAPSED_EXT);
glBeginQuery(GL_TIME_ELAPSED_EXT, encoder->queries[2]);
#endif
#ifdef RTDXT_DEBUG_HOST
glFinish();
TIMER_STOP_PRINT("Tex Load (+->444): ");
TIMER_START();
#endif
#ifdef HAVE_GPUPERFAPI
GPA_EndSample();
GPA_BeginSample(2);
#endif
return dxt_encoder_compress_texture(encoder, encoder->texture_id, image_compressed);
}
/** Documented at declaration */
int
dxt_decoder_decompress(struct dxt_decoder* decoder, unsigned char* image_compressed, DXT_IMAGE_TYPE* image)
{
#ifdef RTDXT_DEBUG
TIMER_INIT();
TIMER_START();
#endif
glBindTexture(GL_TEXTURE_2D, decoder->compressed_tex);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
if ( decoder->type == DXT_TYPE_DXT5_YCOCG )
glCompressedTexImage2DARB(GL_TEXTURE_2D, 0, GL_COMPRESSED_RGBA_S3TC_DXT5_EXT,
(decoder->width + 3) / 4 * 4, decoder->height, 0, ((decoder->width + 3) / 4 * 4) * ((decoder->height + 3) / 4 * 4), image_compressed);
else
glCompressedTexImage2DARB(GL_TEXTURE_2D, 0, GL_COMPRESSED_RGB_S3TC_DXT1_EXT,
(decoder->width + 3) / 4 * 4, decoder->height, 0, ((decoder->width + 3) / 4 * 4) * ((decoder->height + 3) / 4 * 4) / 2, image_compressed);
#ifdef RTDXT_DEBUG
glFinish();
TIMER_STOP_PRINT("Texture Load: ");
TIMER_START();
#endif
// Render to framebuffer
glBindFramebuffer(GL_FRAMEBUFFER, decoder->fbo_rgba);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glViewport(0, 0, decoder->width, decoder->height);
glUseProgram(decoder->program_display);
glBindTexture(GL_TEXTURE_2D, decoder->compressed_tex);
if(decoder->legacy) {
glBegin(GL_QUADS);
glTexCoord2f(0.0, 0.0); glVertex2f(-1.0, -1.0);
glTexCoord2f(1.0, 0.0); glVertex2f(1.0, -1.0);
glTexCoord2f(1.0, 1.0); glVertex2f(1.0, 1.0);
glTexCoord2f(0.0, 1.0); glVertex2f(-1.0, 1.0);
glEnd();
} else {
#if ! defined HAVE_MACOSX || OS_VERSION_MAJOR >= 11
glBindVertexArray(decoder->g_vao);
glDrawArrays(GL_TRIANGLES, 0, 6);
glBindVertexArray(0);
#endif
}
glUseProgram(0);
#ifdef RTDXT_DEBUG
glFinish();
TIMER_STOP_PRINT("Texture Decompress:");
TIMER_START();
#endif
if(decoder->out_format != DXT_FORMAT_YUV422) { /* so RGBA */
// Disable framebuffer
glReadPixels(0, 0, decoder->width, decoder->height, GL_RGBA, DXT_IMAGE_GL_TYPE, image);
glBindFramebuffer(GL_FRAMEBUFFER, 0);
} else {
glBindFramebuffer(GL_FRAMEBUFFER, decoder->fbo_yuv422);
glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0_EXT, GL_TEXTURE_2D, decoder->uncompressed_yuv422_tex, 0);
glBindTexture(GL_TEXTURE_2D, decoder->uncompressed_rgba_tex); /* to texturing unit 0 */
glPushAttrib(GL_VIEWPORT_BIT);
glViewport( 0, 0, decoder->width / 2, decoder->height);
glUseProgram(decoder->program_rgba_to_yuv422);
if(decoder->legacy) {
glBegin(GL_QUADS);
glTexCoord2f(0.0, 0.0); glVertex2f(-1.0, -1.0);
glTexCoord2f(1.0, 0.0); glVertex2f(1.0, -1.0);
glTexCoord2f(1.0, 1.0); glVertex2f(1.0, 1.0);
glTexCoord2f(0.0, 1.0); glVertex2f(-1.0, 1.0);
glEnd();
} else {
#if ! defined HAVE_MACOSX || OS_VERSION_MAJOR >= 11
glBindVertexArray(decoder->g_vao_422);
glDrawArrays(GL_TRIANGLES, 0, 6);
glBindVertexArray(0);
#endif
}
glPopAttrib();
glReadPixels(0, 0, decoder->width / 2, decoder->height, GL_RGBA, DXT_IMAGE_GL_TYPE, image);
glBindFramebuffer(GL_FRAMEBUFFER, 0);
glUseProgram(0);
}
#ifdef RTDXT_DEBUG
glFinish();
TIMER_STOP_PRINT("Texture Save: ");
#endif
return 0;
}
