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create StreamBuffer class for ogl upload

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This commit is contained in:
degasus
2013-01-31 23:11:53 +01:00
parent 011e326698
commit 30170575c8
9 changed files with 199 additions and 124 deletions
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117
Source/Plugins/Plugin_VideoOGL/Src/VertexManager.cpp
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@ -41,6 +41,7 @@
#include "OpcodeDecoding.h"
#include "FileUtil.h"
#include "Debugger.h"
#include "StreamBuffer.h"
#include "main.h"
@ -55,6 +56,11 @@ const u32 MAX_VBUFFER_SIZE = VertexManager::MAXVBUFFERSIZE * 16;
const u32 MIN_IBUFFER_SIZE = VertexManager::MAXIBUFFERSIZE * 1 * sizeof(u16);
const u32 MIN_VBUFFER_SIZE = VertexManager::MAXVBUFFERSIZE * 1;
static StreamBuffer *s_vertexBuffer;
static StreamBuffer *s_indexBuffer;
static u32 s_baseVertex;
static u32 s_offset[3];
VertexManager::VertexManager()
{
CreateDeviceObjects();
@ -75,31 +81,22 @@ void VertexManager::CreateDeviceObjects()
max_Index_size *= sizeof(u16);
GL_REPORT_ERROR();
m_index_buffer_size = std::min(MAX_IBUFFER_SIZE, std::max(max_Index_size, MIN_IBUFFER_SIZE));
m_vertex_buffer_size = std::min(MAX_VBUFFER_SIZE, std::max(max_Vertex_size, MIN_VBUFFER_SIZE));
u32 index_buffer_size = std::min(MAX_IBUFFER_SIZE, std::max(max_Index_size, MIN_IBUFFER_SIZE));
u32 vertex_buffer_size = std::min(MAX_VBUFFER_SIZE, std::max(max_Vertex_size, MIN_VBUFFER_SIZE));
// should be not bigger, but we need it. so try and have luck
if (m_index_buffer_size > max_Index_size) {
if (index_buffer_size > max_Index_size) {
ERROR_LOG(VIDEO, "GL_MAX_ELEMENTS_INDICES to small, so try it anyway. good luck\n");
}
if (m_vertex_buffer_size > max_Vertex_size) {
if (vertex_buffer_size > max_Vertex_size) {
ERROR_LOG(VIDEO, "GL_MAX_ELEMENTS_VERTICES to small, so try it anyway. good luck\n");
}
glGenBuffers(1, &m_vertex_buffers);
GL_REPORT_ERROR();
glGenBuffers(1, &m_index_buffers);
GL_REPORT_ERROR();
glBindBuffer(GL_ARRAY_BUFFER, m_vertex_buffers );
GL_REPORT_ERROR();
glBufferData(GL_ARRAY_BUFFER, m_vertex_buffer_size, NULL, GL_STREAM_READ );
GL_REPORT_ERROR();
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, m_index_buffers );
GL_REPORT_ERROR();
glBufferData(GL_ELEMENT_ARRAY_BUFFER, m_index_buffer_size, NULL, GL_STREAM_READ );
GL_REPORT_ERROR();
m_index_buffer_cursor = 0;
m_vertex_buffer_cursor = 0;
s_vertexBuffer = new StreamBuffer(GL_ARRAY_BUFFER, vertex_buffer_size);
m_vertex_buffers = s_vertexBuffer->getBuffer();
s_indexBuffer = new StreamBuffer(GL_ELEMENT_ARRAY_BUFFER, index_buffer_size);
m_index_buffers = s_indexBuffer->getBuffer();
m_CurrentVertexFmt = NULL;
m_last_vao = 0;
}
@ -110,81 +107,34 @@ void VertexManager::DestroyDeviceObjects()
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0 );
GL_REPORT_ERROR();
glDeleteBuffers(1, &m_vertex_buffers);
GL_REPORT_ERROR();
glDeleteBuffers(1, &m_index_buffers);
delete s_vertexBuffer;
delete s_indexBuffer;
GL_REPORT_ERROR();
}
void VertexManager::PrepareDrawBuffers(u32 stride)
{
u8* pVertices = NULL;
u16* pIndices = NULL;
int vertex_data_size = IndexGenerator::GetNumVerts() * stride;
int triangle_index_size = IndexGenerator::GetTriangleindexLen();
int line_index_size = IndexGenerator::GetLineindexLen();
int point_index_size = IndexGenerator::GetPointindexLen();
int index_data_size = (triangle_index_size + line_index_size + point_index_size) * sizeof(u16);
m_vertex_buffer_cursor--;
m_vertex_buffer_cursor = m_vertex_buffer_cursor - (m_vertex_buffer_cursor % stride) + stride;
s_vertexBuffer->Align(stride);
u32 offset = s_vertexBuffer->Upload(LocalVBuffer, vertex_data_size);
if (m_vertex_buffer_cursor >= m_vertex_buffer_size - vertex_data_size || m_index_buffer_cursor >= m_index_buffer_size - index_data_size)
s_baseVertex = offset / stride;
if(triangle_index_size)
{
m_vertex_buffer_cursor = 0;
m_index_buffer_cursor = 0;
glBufferData(GL_ARRAY_BUFFER, m_vertex_buffer_size, NULL, GL_STREAM_READ);
glBufferData(GL_ELEMENT_ARRAY_BUFFER, m_index_buffer_size, NULL, GL_STREAM_READ);
s_offset[0] = s_indexBuffer->Upload((u8*)TIBuffer, triangle_index_size * sizeof(u16));
}
pVertices = (u8*)glMapBufferRange(GL_ARRAY_BUFFER, m_vertex_buffer_cursor, vertex_data_size, GL_MAP_WRITE_BIT | GL_MAP_UNSYNCHRONIZED_BIT | GL_MAP_INVALIDATE_RANGE_BIT);
if(pVertices)
if(line_index_size)
{
memcpy(pVertices, LocalVBuffer, vertex_data_size);
glUnmapBuffer(GL_ARRAY_BUFFER);
s_offset[1] = s_indexBuffer->Upload((u8*)LIBuffer, line_index_size * sizeof(u16));
}
else // could that happen? out-of-memory?
if(point_index_size)
{
glBufferSubData(GL_ARRAY_BUFFER, m_vertex_buffer_cursor, vertex_data_size, LocalVBuffer);
}
pIndices = (u16*)glMapBufferRange(GL_ELEMENT_ARRAY_BUFFER, m_index_buffer_cursor , index_data_size, GL_MAP_WRITE_BIT | GL_MAP_UNSYNCHRONIZED_BIT | GL_MAP_INVALIDATE_RANGE_BIT);
if(pIndices)
{
if(triangle_index_size)
{
memcpy(pIndices, TIBuffer, triangle_index_size * sizeof(u16));
pIndices += triangle_index_size;
}
if(line_index_size)
{
memcpy(pIndices, LIBuffer, line_index_size * sizeof(u16));
pIndices += line_index_size;
}
if(point_index_size)
{
memcpy(pIndices, PIBuffer, point_index_size * sizeof(u16));
}
glUnmapBuffer(GL_ELEMENT_ARRAY_BUFFER);
}
else // could that happen? out-of-memory?
{
if(triangle_index_size)
{
triangle_index_size *= sizeof(u16);
glBufferSubData(GL_ELEMENT_ARRAY_BUFFER, m_index_buffer_cursor, triangle_index_size, TIBuffer);
}
if(line_index_size)
{
line_index_size *= sizeof(u16);
glBufferSubData(GL_ELEMENT_ARRAY_BUFFER, m_index_buffer_cursor + triangle_index_size, line_index_size, LIBuffer);
}
if(point_index_size)
{
point_index_size *= sizeof(u16);
glBufferSubData(GL_ELEMENT_ARRAY_BUFFER, m_index_buffer_cursor + triangle_index_size + line_index_size, point_index_size, PIBuffer);
}
s_offset[2] = s_indexBuffer->Upload((u8*)PIBuffer, point_index_size * sizeof(u16));
}
}
@ -193,23 +143,19 @@ void VertexManager::Draw(u32 stride)
int triangle_index_size = IndexGenerator::GetTriangleindexLen();
int line_index_size = IndexGenerator::GetLineindexLen();
int point_index_size = IndexGenerator::GetPointindexLen();
int StartIndex = m_index_buffer_cursor;
int basevertex = m_vertex_buffer_cursor / stride;
if (triangle_index_size > 0)
{
glDrawElementsBaseVertex(GL_TRIANGLES, triangle_index_size, GL_UNSIGNED_SHORT, (u8*)NULL+StartIndex, basevertex);
StartIndex += triangle_index_size * sizeof(u16);
glDrawElementsBaseVertex(GL_TRIANGLES, triangle_index_size, GL_UNSIGNED_SHORT, (u8*)NULL+s_offset[0], s_baseVertex);
INCSTAT(stats.thisFrame.numIndexedDrawCalls);
}
if (line_index_size > 0)
{
glDrawElementsBaseVertex(GL_LINES, line_index_size, GL_UNSIGNED_SHORT, (u8*)NULL+StartIndex, basevertex);
StartIndex += line_index_size * sizeof(u16);
glDrawElementsBaseVertex(GL_LINES, line_index_size, GL_UNSIGNED_SHORT, (u8*)NULL+s_offset[1], s_baseVertex);
INCSTAT(stats.thisFrame.numIndexedDrawCalls);
}
if (point_index_size > 0)
{
glDrawElementsBaseVertex(GL_POINTS, point_index_size, GL_UNSIGNED_SHORT, (u8*)NULL+StartIndex, basevertex);
glDrawElementsBaseVertex(GL_POINTS, point_index_size, GL_UNSIGNED_SHORT, (u8*)NULL+s_offset[2], s_baseVertex);
INCSTAT(stats.thisFrame.numIndexedDrawCalls);
}
}
@ -362,9 +308,6 @@ void VertexManager::vFlush()
}
GFX_DEBUGGER_PAUSE_AT(NEXT_FLUSH, true);
m_index_buffer_cursor += (IndexGenerator::GetTriangleindexLen() + IndexGenerator::GetLineindexLen() + IndexGenerator::GetPointindexLen()) * sizeof(u16);
m_vertex_buffer_cursor += IndexGenerator::GetNumVerts() * stride;
ResetBuffer();
#if defined(_DEBUG) || defined(DEBUGFAST)
if (g_ActiveConfig.iLog & CONF_SAVESHADERS)