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gsdx-ogl: use a 8MB vbo/ibo 

Dirge of Cerberus draw 143,360 vertices in a single draw!

It is likely to emulate a particle effects

Hopefully improve issue #573
This commit is contained in:
Gregory Hainaut 2015-06-04 08:21:22 +02:00
parent e34477a497
commit 85266abd71
1 changed files with 4 additions and 4 deletions
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8
plugins/GSdx/GSVertexArrayOGL.h
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@ -58,7 +58,7 @@ class GSBufferOGL {
gl_GenBuffers(1, &m_buffer_name);
// Opengl works best with 1-4MB buffer.
// Warning m_limit is the number of object (not the size in Bytes)
m_limit = 2 * 2 * 1024 * 1024 / m_stride;
m_limit = 8 * 1024 * 1024 / m_stride;
if (m_buffer_storage) {
for (size_t i = 0; i < 5; i++) {
@ -139,7 +139,7 @@ class GSBufferOGL {
size_t length = m_count*m_stride;
if (m_count > (m_limit - m_start) ) {
size_t current_chunk = offset >> 20;
size_t current_chunk = offset >> 21;
#ifdef ENABLE_OGL_DEBUG_FENCE
fprintf(stderr, "%x: Wrap buffer\n", m_target);
fprintf(stderr, "%x: Insert a fence in chunk %d\n", m_target, current_chunk);
@ -169,8 +169,8 @@ class GSBufferOGL {
}
// Protect buffer with fences
size_t current_chunk = offset >> 20;
size_t next_chunk = (offset + length) >> 20;
size_t current_chunk = offset >> 21;
size_t next_chunk = (offset + length) >> 21;
for (size_t c = current_chunk + 1; c <= next_chunk; c++) {
#ifdef ENABLE_OGL_DEBUG_FENCE
fprintf(stderr, "%x: Insert a fence in chunk %d\n", m_target, c-1);