forked from bartvdbraak/blender
Gawain: drop support for APPLE_flush_buffer_range
Modern GL's glMapBufferRange works the same on all platforms. Part of T49012
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90a1d49180
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3f6f02e433
@ -25,9 +25,3 @@
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#if TRUST_NO_ONE
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#include <assert.h>
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#endif
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#if defined(__APPLE__) && defined(WITH_GL_PROFILE_COMPAT)
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#define APPLE_LEGACY 1
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#else
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#define APPLE_LEGACY 0
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#endif
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@ -69,11 +69,6 @@ void immInit(void)
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glBindBuffer(GL_ARRAY_BUFFER, imm.vbo_id);
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glBufferData(GL_ARRAY_BUFFER, IMM_BUFFER_SIZE, NULL, GL_DYNAMIC_DRAW);
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#if APPLE_LEGACY
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glBufferParameteriAPPLE(GL_ARRAY_BUFFER, GL_BUFFER_SERIALIZED_MODIFY_APPLE, GL_FALSE);
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glBufferParameteriAPPLE(GL_ARRAY_BUFFER, GL_BUFFER_FLUSHING_UNMAP_APPLE, GL_FALSE);
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#endif
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imm.prim_type = PRIM_NONE;
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imm.strict_vertex_ct = true;
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@ -208,7 +203,7 @@ void immBegin(PrimitiveType prim_type, unsigned vertex_ct)
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else
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{
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// orphan this buffer & start with a fresh one
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#if 1 || APPLE_LEGACY
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#if 1
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// this method works on all platforms, old & new
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glBufferData(GL_ARRAY_BUFFER, IMM_BUFFER_SIZE, NULL, GL_DYNAMIC_DRAW);
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#else
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@ -235,12 +230,8 @@ void immBegin(PrimitiveType prim_type, unsigned vertex_ct)
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// printf("mapping %u to %u\n", imm.buffer_offset, imm.buffer_offset + bytes_needed - 1);
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#if APPLE_LEGACY
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imm.buffer_data = (GLubyte*)glMapBuffer(GL_ARRAY_BUFFER, GL_WRITE_ONLY) + imm.buffer_offset;
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#else
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imm.buffer_data = glMapBufferRange(GL_ARRAY_BUFFER, imm.buffer_offset, bytes_needed,
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GL_MAP_WRITE_BIT | GL_MAP_UNSYNCHRONIZED_BIT | (imm.strict_vertex_ct ? 0 : GL_MAP_FLUSH_EXPLICIT_BIT));
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#endif
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#if TRUST_NO_ONE
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assert(imm.buffer_data != NULL);
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@ -390,11 +381,10 @@ void immEnd(void)
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// unused buffer bytes are available to the next immBegin
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// printf(" %u of %u bytes\n", buffer_bytes_used, imm.buffer_bytes_mapped);
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}
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#if !APPLE_LEGACY
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// tell OpenGL what range was modified so it doesn't copy the whole mapped range
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// printf("flushing %u to %u\n", imm.buffer_offset, imm.buffer_offset + buffer_bytes_used - 1);
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glFlushMappedBufferRange(GL_ARRAY_BUFFER, 0, buffer_bytes_used);
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#endif
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}
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#if IMM_BATCH_COMBO
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@ -412,11 +402,6 @@ void immEnd(void)
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else
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#endif
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{
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#if APPLE_LEGACY
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// tell OpenGL what range was modified so it doesn't copy the whole buffer
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// printf("flushing %u to %u\n", imm.buffer_offset, imm.buffer_offset + buffer_bytes_used - 1);
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glFlushMappedBufferRangeAPPLE(GL_ARRAY_BUFFER, imm.buffer_offset, buffer_bytes_used);
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#endif
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glUnmapBuffer(GL_ARRAY_BUFFER);
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if (imm.vertex_ct > 0)
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