#include <stdexcept>
#include <msp/core/algorithm.h>
-#include <msp/gl/extensions/arb_direct_state_access.h>
-#include <msp/gl/extensions/arb_sampler_objects.h>
-#include <msp/gl/extensions/arb_shader_objects.h>
-#include <msp/gl/extensions/arb_uniform_buffer_object.h>
-#include <msp/gl/extensions/arb_vertex_array_object.h>
-#include <msp/gl/extensions/msp_primitive_restart.h>
-#include "blend.h"
-#include "buffer.h"
-#include "deviceinfo.h"
-#include "depthtest.h"
-#include "framebuffer.h"
#include "pipelinestate.h"
-#include "program.h"
-#include "rect.h"
-#include "sampler.h"
-#include "stenciltest.h"
-#include "texture.h"
-#include "uniformblock.h"
-#include "vertexsetup.h"
using namespace std;
namespace Msp {
namespace GL {
-const PipelineState *PipelineState::last_applied = 0;
-vector<int> PipelineState::bound_tex_targets;
-vector<char> PipelineState::bound_uniform_blocks;
-unsigned PipelineState::restart_index = 0;
-
-PipelineState::PipelineState():
- framebuffer(0),
- viewport(0),
- scissor(0),
- shprog(0),
- vertex_setup(0),
- front_face(COUNTERCLOCKWISE),
- face_cull(NO_CULL),
- enabled_clip_planes(0),
- depth_test(0),
- stencil_test(0),
- blend(0),
- changes(0)
-{
- if(bound_tex_targets.empty())
- bound_tex_targets.resize(Limits::get_global().max_texture_bindings);
- if(bound_uniform_blocks.empty())
- bound_uniform_blocks.resize(Limits::get_global().max_uniform_bindings);
-}
-
-PipelineState::~PipelineState()
-{
- if(this==last_applied)
- last_applied = 0;
-}
-
template<typename T>
void PipelineState::set(T &target, T value, unsigned flag)
{
void PipelineState::set_framebuffer(const Framebuffer *f)
{
- set(framebuffer, f, FRAMEBUFFER|VIEWPORT);
+ set(framebuffer, f, FRAMEBUFFER);
}
void PipelineState::set_viewport(const Rect *v)
}
}
-void PipelineState::set_uniforms(const DefaultUniformBlock *block)
-{
- set_uniform_block_(-1, block);
-}
-
-void PipelineState::set_uniform_block(unsigned binding, const BufferBackedUniformBlock *block)
-{
- set_uniform_block_(binding, block);
-}
-
-void PipelineState::set_uniform_block_(int binding, const UniformBlock *block)
+void PipelineState::set_uniform_block(int binding, const UniformBlock *block)
{
auto i = lower_bound_member(uniform_blocks, binding, &BoundUniformBlock::binding);
if(i==uniform_blocks.end() || i->binding!=binding)
set(blend, b, BLEND);
}
-void PipelineState::apply() const
-{
- if(!last_applied)
- Texture::unbind_scratch();
-
- apply(this==last_applied ? changes : ~0U);
-}
-
-void PipelineState::apply(unsigned mask) const
-{
- if(mask&FRAMEBUFFER)
- {
- glBindFramebuffer(GL_FRAMEBUFFER, framebuffer ? framebuffer->id : 0);
- if(framebuffer)
- {
- framebuffer->refresh();
- framebuffer->require_complete();
- }
- }
-
- if(mask&VIEWPORT)
- {
- if(viewport)
- glViewport(viewport->left, viewport->bottom, viewport->width, viewport->height);
- else if(framebuffer)
- glViewport(0, 0, framebuffer->get_width(), framebuffer->get_height());
- }
-
- if(mask&SCISSOR)
- {
- if(scissor)
- {
- glEnable(GL_SCISSOR_TEST);
- glScissor(scissor->left, scissor->bottom, scissor->width, scissor->height);
- }
- else
- glDisable(GL_SCISSOR_TEST);
- }
-
- if(mask&SHPROG)
- glUseProgram(shprog ? shprog->id : 0);
-
- if(mask&VERTEX_SETUP)
- {
- glBindVertexArray(vertex_setup ? vertex_setup->id : 0);
- if(vertex_setup)
- {
- static Require _req(MSP_primitive_restart);
-
- vertex_setup->refresh();
- unsigned ri = (vertex_setup->get_index_type()==UNSIGNED_INT ? 0xFFFFFFFF : 0xFFFF);
- if(ri!=restart_index)
- {
- if(!restart_index)
- glEnable(GL_PRIMITIVE_RESTART);
- glPrimitiveRestartIndex(ri);
- restart_index = ri;
- }
- }
- }
-
- if(mask&FACE_CULL)
- {
- glFrontFace(front_face==CLOCKWISE ? GL_CW : GL_CCW);
-
- if(face_cull!=NO_CULL && front_face!=NON_MANIFOLD)
- {
- glEnable(GL_CULL_FACE);
- glCullFace(face_cull==CULL_FRONT ? GL_FRONT : GL_BACK);
- }
- else
- glDisable(GL_CULL_FACE);
- }
-
- if(mask&CLIP_PLANES)
- {
- unsigned max_clip_planes = Limits::get_global().max_clip_planes;
- for(unsigned i=0; i<max_clip_planes; ++i)
- {
- if((enabled_clip_planes>>i)&1)
- glEnable(GL_CLIP_PLANE0+i);
- else
- glDisable(GL_CLIP_PLANE0+i);
- }
- }
-
- if(mask&TEXTURES)
- {
- for(const BoundTexture &t: textures)
- if(t.changed || mask==~0U)
- {
- if(t.texture && t.sampler)
- {
- if(ARB_direct_state_access)
- glBindTextureUnit(t.binding, t.texture->id);
- else
- {
- glActiveTexture(GL_TEXTURE0+t.binding);
- if(bound_tex_targets[t.binding] && static_cast<int>(t.texture->target)!=bound_tex_targets[t.binding])
- glBindTexture(bound_tex_targets[t.binding], 0);
- glBindTexture(t.texture->target, t.texture->id);
- }
-
- bound_tex_targets[t.binding] = t.texture->target;
-
- glBindSampler(t.binding, t.sampler->id);
- }
-
- t.changed = false;
- }
- }
-
- if(mask&UNIFORMS)
- {
- for(const BoundUniformBlock &u: uniform_blocks)
- if(u.changed || mask==~0U)
- {
- if(u.block)
- {
- if(u.binding>=0)
- {
- const BufferBackedUniformBlock *block = static_cast<const BufferBackedUniformBlock *>(u.block);
- glBindBufferRange(GL_UNIFORM_BUFFER, u.binding, block->get_buffer()->id, block->get_offset(), block->get_data_size());
- bound_uniform_blocks[u.binding] = 1;
- }
- else
- static_cast<const DefaultUniformBlock *>(u.block)->apply();
- }
-
- u.changed = false;
- }
- }
-
- if(mask&DEPTH_TEST)
- {
- if(depth_test && depth_test->enabled)
- {
- glEnable(GL_DEPTH_TEST);
- glDepthFunc(get_gl_predicate(depth_test->compare));
- }
- else
- glDisable(GL_DEPTH_TEST);
-
- glDepthMask(!depth_test || depth_test->write);
- }
-
- if(mask&STENCIL_TEST)
- {
- if(stencil_test && stencil_test->enabled)
- {
- glEnable(GL_STENCIL_TEST);
- glStencilFunc(get_gl_predicate(stencil_test->compare), stencil_test->reference, 0xFFFFFFFF);
- glStencilOp(get_gl_stencil_op(stencil_test->stencil_fail_op), get_gl_stencil_op(stencil_test->depth_fail_op), get_gl_stencil_op(stencil_test->depth_pass_op));
- }
- else
- glDisable(GL_STENCIL_TEST);
- }
-
- if(mask&BLEND)
- {
- if(blend && blend->enabled)
- {
- glEnable(GL_BLEND);
- glBlendEquation(get_gl_blend_equation(blend->equation));
- glBlendFunc(get_gl_blend_factor(blend->src_factor), get_gl_blend_factor(blend->dst_factor));
- glBlendColor(blend->constant.r, blend->constant.g, blend->constant.b, blend->constant.a);
- }
- else
- glDisable(GL_BLEND);
- }
-
- last_applied = this;
- changes &= ~mask;
-}
-
-void PipelineState::clear()
-{
- if(last_applied)
- {
- glUseProgram(0);
- glBindVertexArray(0);
-
- unsigned max_clip_planes = Limits::get_global().max_clip_planes;
- for(unsigned i=0; i<max_clip_planes; ++i)
- if((last_applied->enabled_clip_planes>>i)&1)
- glDisable(GL_CLIP_PLANE0+i);
-
- for(unsigned i=0; i<bound_tex_targets.size(); ++i)
- if(bound_tex_targets[i])
- {
- if(ARB_direct_state_access)
- glBindTextureUnit(i, 0);
- else
- {
- glActiveTexture(GL_TEXTURE0+i);
- glBindTexture(bound_tex_targets[i], 0);
- }
- bound_tex_targets[i] = 0;
- }
-
- for(unsigned i=0; i<bound_uniform_blocks.size(); ++i)
- if(bound_uniform_blocks[i])
- {
- glBindBufferBase(GL_UNIFORM_BUFFER, i, 0);
- bound_uniform_blocks[i] = 0;
- }
-
- glDisable(GL_DEPTH_TEST);
- glDepthMask(true);
- glDisable(GL_STENCIL_TEST);
- glDisable(GL_BLEND);
-
- last_applied = 0;
- }
-}
-
PipelineState::BoundTexture::BoundTexture(unsigned b):
binding(b),
projects / libs / gl.git / blobdiff