enum piglit_result
piglit_display(void)
{
bool pass = true;
float green[] = {0, 1, 0};
float blue[] = {0, 0, 1};
glClearColor(blue[0], blue[1], blue[2], 1.0);
glClear(GL_COLOR_BUFFER_BIT);
glBindVertexArray(vao);
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, indexBuffer);
/* Top Quad */
glDrawRangeElementsBaseVertex(GL_TRIANGLES, 0, 3, 6, GL_UNSIGNED_INT,
NULL, 0);
/* Bot Quad */
glDrawRangeElementsBaseVertex(GL_TRIANGLES, 4, 7, 6, GL_UNSIGNED_INT,
(GLvoid *)(sizeof(GLuint)*6), 2);
/* Check for test pass */
pass = piglit_probe_pixel_rgb(100, 175, green) && pass;
pass = piglit_probe_pixel_rgb(100, 125, blue) && pass;
pass = piglit_probe_pixel_rgb(100, 75, blue) && pass;
pass = piglit_probe_pixel_rgb(100, 25, green) && pass;
piglit_present_results();
return pass ? PIGLIT_PASS : PIGLIT_FAIL;
}
void VertexManager::Draw(u32 stride)
{
u32 index_size = IndexGenerator::GetIndexLen();
u32 max_index = IndexGenerator::GetNumVerts();
GLenum primitive_mode = 0;
switch (current_primitive_type)
{
case PRIMITIVE_POINTS:
primitive_mode = GL_POINTS;
break;
case PRIMITIVE_LINES:
primitive_mode = GL_LINES;
break;
case PRIMITIVE_TRIANGLES:
primitive_mode = g_ActiveConfig.backend_info.bSupportsPrimitiveRestart ? GL_TRIANGLE_STRIP : GL_TRIANGLES;
break;
}
if (g_ogl_config.bSupportsGLBaseVertex) {
glDrawRangeElementsBaseVertex(primitive_mode, 0, max_index, index_size, GL_UNSIGNED_SHORT, (u8*)nullptr+s_index_offset, (GLint)s_baseVertex);
} else {
glDrawRangeElements(primitive_mode, 0, max_index, index_size, GL_UNSIGNED_SHORT, (u8*)nullptr+s_index_offset);
}
INCSTAT(stats.thisFrame.numIndexedDrawCalls);
}
void VertexManager::Draw(u32 stride)
{
u32 index_size = IndexGenerator::GetIndexLen();
u32 max_index = IndexGenerator::GetNumVerts();
GLenum primitive_mode = 0;
static const GLenum modes[3] = {
GL_POINTS,
GL_LINES,
GL_TRIANGLES
};
primitive_mode = modes[current_primitive_type];
bool cull_changed = primitive_mode != GL_TRIANGLES && bpmem.genMode.cullmode > 0;
if(cull_changed)
{
glDisable(GL_CULL_FACE);
}
if (g_ogl_config.bSupportsGLBaseVertex)
{
glDrawRangeElementsBaseVertex(primitive_mode, 0, max_index, index_size, GL_UNSIGNED_SHORT, (u8*)nullptr + s_index_offset, (GLint)s_baseVertex);
}
else
{
glDrawRangeElements(primitive_mode, 0, max_index, index_size, GL_UNSIGNED_SHORT, (u8*)nullptr + s_index_offset);
}
INCSTAT(stats.thisFrame.numDrawCalls);
if (cull_changed)
static_cast<Renderer*>(g_renderer.get())->SetGenerationMode();
}
inline void VL_glDrawRangeElementsBaseVertex(GLenum mode, GLuint start, GLuint end, GLsizei count, GLenum type, const GLvoid *indices, int basevertex)
{
if (glDrawRangeElementsBaseVertex)
glDrawRangeElementsBaseVertex(mode, start, end, count, type, (void*)indices, basevertex);
else
VL_UNSUPPORTED_FUNC();
}
inline void drawRangeElementsBaseVertex(
DrawRangeElementsBaseVertexMode mode,
GLuint start,
GLuint end,
GLsizei count,
DrawRangeElementsBaseVertexType type,
GLvoid *indices,
GLint basevertex) {
glDrawRangeElementsBaseVertex(
GLenum(mode),
start,end,count,
GLenum(type),indices,basevertex
);
}
void Mesh::drawInternal(Int count, Int baseVertex, Int instanceCount, GLintptr indexOffset)
#endif
{
const Implementation::MeshState& state = *Context::current()->state().mesh;
/* Nothing to draw */
if(!count || !instanceCount) return;
(this->*state.bindImplementation)();
/* Non-instanced mesh */
if(instanceCount == 1) {
/* Non-indexed mesh */
if(!_indexBuffer) {
glDrawArrays(GLenum(_primitive), baseVertex, count);
/* Indexed mesh with base vertex */
} else if(baseVertex) {
#ifndef MAGNUM_TARGET_GLES
/* Indexed mesh with specified range */
if(indexEnd) {
glDrawRangeElementsBaseVertex(GLenum(_primitive), indexStart, indexEnd, count, GLenum(_indexType), reinterpret_cast<GLvoid*>(indexOffset), baseVertex);
/* Indexed mesh */
} else glDrawElementsBaseVertex(GLenum(_primitive), count, GLenum(_indexType), reinterpret_cast<GLvoid*>(indexOffset), baseVertex);
#else
CORRADE_ASSERT(false, "Mesh::draw(): desktop OpenGL is required for base vertex specification in indexed meshes", );
#endif
/* Indexed mesh */
} else {
/** @todo re-enable for WebGL 2.0 when glDrawRangeElements() no longer crashes Firefox */
#if !defined(MAGNUM_TARGET_GLES2) && !defined(MAGNUM_TARGET_WEBGL)
/* Indexed mesh with specified range */
if(indexEnd) {
glDrawRangeElements(GLenum(_primitive), indexStart, indexEnd, count, GLenum(_indexType), reinterpret_cast<GLvoid*>(indexOffset));
/* Indexed mesh */
} else
#endif
{
glDrawElements(GLenum(_primitive), count, GLenum(_indexType), reinterpret_cast<GLvoid*>(indexOffset));
}
}
/* Instanced mesh */
} else {
void opengl_render_model_program(model_material* material_info, indexed_vertex_source *vert_source, vertex_buffer* bufferp, buffer_data *datap)
{
GL_state.Texture.SetShaderMode(GL_TRUE);
opengl_tnl_set_model_material(material_info);
GLubyte *ibuffer = reinterpret_cast<GLubyte*>(vert_source->Index_offset);
GLenum element_type = (datap->flags & VB_FLAG_LARGE_INDEX) ? GL_UNSIGNED_INT : GL_UNSIGNED_SHORT;
Assert(vert_source);
Assertion(vert_source->Vbuffer_handle >= 0, "The vertex data must be located in a GPU buffer!");
Assertion(vert_source->Ibuffer_handle >= 0, "The index values must be located in a GPU buffer!");
// basic setup of all data
opengl_bind_vertex_layout(bufferp->layout,
opengl_buffer_get_id(GL_ARRAY_BUFFER, vert_source->Vbuffer_handle),
opengl_buffer_get_id(GL_ELEMENT_ARRAY_BUFFER, vert_source->Ibuffer_handle));
// If GL_ARB_gpu_shader5 is supprted then the instancing is handled by the geometry shader
if ( !GLAD_GL_ARB_gpu_shader5 && Rendering_to_shadow_map ) {
glDrawElementsInstancedBaseVertex(GL_TRIANGLES,
(GLsizei) datap->n_verts,
element_type,
ibuffer + datap->index_offset,
4,
(GLint) (vert_source->Base_vertex_offset + bufferp->vertex_num_offset));
} else {
if (Cmdline_drawelements) {
glDrawElementsBaseVertex(GL_TRIANGLES,
(GLsizei) datap->n_verts,
element_type,
ibuffer + datap->index_offset,
(GLint) (vert_source->Base_vertex_offset + bufferp->vertex_num_offset));
} else {
glDrawRangeElementsBaseVertex(GL_TRIANGLES,
datap->i_first,
datap->i_last,
(GLsizei) datap->n_verts,
element_type,
ibuffer + datap->index_offset,
(GLint) (vert_source->Base_vertex_offset + bufferp->vertex_num_offset));
}
}
GL_state.Texture.SetShaderMode(GL_FALSE);
}
void opengl_render_model_program(model_material* material_info, indexed_vertex_source *vert_source, vertex_buffer* bufferp, buffer_data *datap)
{
GL_state.Texture.SetShaderMode(GL_TRUE);
opengl_tnl_set_model_material(material_info);
GLubyte *ibuffer = NULL;
size_t start = 0;
size_t end = (datap->n_verts - 1);
size_t count = (end - (start * 3) + 1);
GLenum element_type = (datap->flags & VB_FLAG_LARGE_INDEX) ? GL_UNSIGNED_INT : GL_UNSIGNED_SHORT;
Assert(vert_source);
// basic setup of all data
opengl_init_arrays(vert_source, bufferp);
if ( vert_source->Ibuffer_handle >= 0 ) {
opengl_bind_buffer_object(vert_source->Ibuffer_handle);
} else {
ibuffer = (GLubyte*)vert_source->Index_list;
}
if ( Rendering_to_shadow_map ) {
glDrawElementsInstancedBaseVertex(GL_TRIANGLES, (GLsizei) count, element_type,
ibuffer + (datap->index_offset + start), 4, (GLint)bufferp->vertex_num_offset);
} else {
if ( Cmdline_drawelements ) {
glDrawElementsBaseVertex(GL_TRIANGLES, (GLsizei) count,
element_type, ibuffer + (datap->index_offset + start), (GLint)bufferp->vertex_num_offset);
} else {
glDrawRangeElementsBaseVertex(GL_TRIANGLES, datap->i_first, datap->i_last, (GLsizei) count,
element_type, ibuffer + (datap->index_offset + start), (GLint)bufferp->vertex_num_offset);
}
}
GL_state.Texture.SetShaderMode(GL_FALSE);
}
void VertexArray::drawRangeElementsBaseVertex(const GLenum mode, const GLuint start, const GLuint end, const GLsizei count, const GLenum type, const void* indices, const GLint baseVertex) const
{
bind();
glDrawRangeElementsBaseVertex(mode, start, end, count, type, const_cast<void*>(indices), baseVertex);
}
JNIEXPORT void JNICALL Java_org_lwjgl_opengl_GL32_nglDrawRangeElementsBaseVertexBO(JNIEnv *env, jclass clazz, jint mode, jint start, jint end, jint count, jint type, jlong indices_buffer_offset, jint basevertex, jlong function_pointer) {
const GLvoid *indices_address = (const GLvoid *)(intptr_t)offsetToPointer(indices_buffer_offset);
glDrawRangeElementsBaseVertexPROC glDrawRangeElementsBaseVertex = (glDrawRangeElementsBaseVertexPROC)((intptr_t)function_pointer);
glDrawRangeElementsBaseVertex(mode, start, end, count, type, indices_address, basevertex);
}
JNIEXPORT void JNICALL Java_org_lwjgl_opengl_GL32C_nglDrawRangeElementsBaseVertex(JNIEnv *__env, jclass clazz, jint mode, jint start, jint end, jint count, jint type, jlong indicesAddress, jint basevertex) {
glDrawRangeElementsBaseVertexPROC glDrawRangeElementsBaseVertex = (glDrawRangeElementsBaseVertexPROC)tlsGetFunction(649);
intptr_t indices = (intptr_t)indicesAddress;
UNUSED_PARAM(clazz)
glDrawRangeElementsBaseVertex(mode, start, end, count, type, indices, basevertex);
}
void VertexArrayObject::drawRangeElementsBaseVertex(GLenum mode, GLuint start, GLuint end, GLsizei count, GLenum type, const void* indices, GLint baseVertex)
{
bind();
glDrawRangeElementsBaseVertex(mode, start, end, count, type, const_cast<void*>(indices), baseVertex);
CheckGLError();
}