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Merge pull request #84 from meancoot/gles-texturepack

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OpenGL ES width != pitch texture speed improvement
This commit is contained in:
Squarepusher 2012-12-06 23:43:09 -08:00
commit 7bfc029565
2 changed files with 29 additions and 5 deletions
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28
gfx/gl.c
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@ -997,13 +997,27 @@ static inline void gl_copy_frame(gl_t *gl, const void *frame, unsigned width, un
} }
else // Slower path. else // Slower path.
{ {
const uint8_t *src = (const uint8_t*)frame; const unsigned frame_bytes = width * height * gl->base_size;
for (unsigned h = 0; h < height; h++, src += pitch) const unsigned line_bytes = width * gl->base_size;
if (gl->tex_pack_buf_size < frame_bytes)
{ {
glTexSubImage2D(GL_TEXTURE_2D, free(gl->tex_pack_buf);
0, 0, h, width, 1, gl->texture_type, gl->tex_pack_buf = malloc(frame_bytes);
gl->texture_fmt, src); gl->tex_pack_buf_size = frame_bytes;
} }
uint8_t* dst = gl->tex_pack_buf;
const uint8_t *src = (const uint8_t*)frame;
for (unsigned h = 0; h < height; h++, src += pitch, dst += line_bytes)
{
memcpy(dst, src, line_bytes);
}
glTexSubImage2D(GL_TEXTURE_2D,
0, 0, 0, width, height, gl->texture_type,
gl->texture_fmt, gl->tex_pack_buf);
} }
} }
#else #else
@ -1248,6 +1262,10 @@ static void gl_free(void *data)
free(gl->empty_buf); free(gl->empty_buf);
free(gl->conv_buffer); free(gl->conv_buffer);
#if defined(HAVE_OPENGLES)
free(gl->tex_pack_buf);
#endif
free(gl); free(gl);
} }

6
gfx/gl_common.h
View File

@ -292,6 +292,12 @@ typedef struct gl
unsigned pbo_readback_index; unsigned pbo_readback_index;
struct scaler_ctx pbo_readback_scaler; struct scaler_ctx pbo_readback_scaler;
#endif #endif
#if defined(HAVE_OPENGLES)
uint8_t* tex_pack_buf;
unsigned tex_pack_buf_size;
#endif
} gl_t; } gl_t;
// Windows ... <_< // Windows ... <_<