Merge branch 'trevex-master'
This commit is contained in:
commit
d184730dd2
@ -24,7 +24,7 @@ static int g_ShaderHandle = 0, g_VertHandle = 0, g_FragHandle = 0;
|
||||
static int g_AttribLocationTex = 0, g_AttribLocationProjMtx = 0;
|
||||
static int g_AttribLocationPosition = 0, g_AttribLocationUV = 0, g_AttribLocationColor = 0;
|
||||
static int g_VboSize = 0;
|
||||
static unsigned int g_VboHandle = 0, g_VaoHandle = 0;
|
||||
static unsigned int g_VboHandle = 0, g_VaoHandle = 0, g_ElementsHandle = 0;
|
||||
|
||||
// This is the main rendering function that you have to implement and provide to ImGui (via setting up 'RenderDrawListsFn' in the ImGuiIO structure)
|
||||
// If text or lines are blurry when integrating ImGui in your engine:
|
||||
@ -61,7 +61,7 @@ static void ImGui_ImplGlfwGL3_RenderDrawLists(ImDrawData* draw_data)
|
||||
for (int n = 0; n < draw_data->CmdListsCount; n++)
|
||||
{
|
||||
const ImDrawList* cmd_list = draw_data->CmdLists[n];
|
||||
const ImDrawIdx* idx_buffer = &cmd_list->IdxBuffer.front();
|
||||
const ImDrawIdx* idx_buffer_offset = 0;
|
||||
|
||||
glBindBuffer(GL_ARRAY_BUFFER, g_VboHandle);
|
||||
int needed_vtx_size = cmd_list->VtxBuffer.size() * sizeof(ImDrawVert);
|
||||
@ -78,6 +78,9 @@ static void ImGui_ImplGlfwGL3_RenderDrawLists(ImDrawData* draw_data)
|
||||
memcpy(vtx_data, &cmd_list->VtxBuffer[0], cmd_list->VtxBuffer.size() * sizeof(ImDrawVert));
|
||||
glUnmapBuffer(GL_ARRAY_BUFFER);
|
||||
|
||||
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, g_ElementsHandle);
|
||||
glBufferData(GL_ELEMENT_ARRAY_BUFFER, cmd_list->IdxBuffer.size() * sizeof(ImDrawIdx), (GLvoid*)&cmd_list->IdxBuffer.front(), GL_STREAM_DRAW);
|
||||
|
||||
for (const ImDrawCmd* pcmd = cmd_list->CmdBuffer.begin(); pcmd != cmd_list->CmdBuffer.end(); pcmd++)
|
||||
{
|
||||
if (pcmd->UserCallback)
|
||||
@ -88,15 +91,16 @@ static void ImGui_ImplGlfwGL3_RenderDrawLists(ImDrawData* draw_data)
|
||||
{
|
||||
glBindTexture(GL_TEXTURE_2D, (GLuint)(intptr_t)pcmd->TextureId);
|
||||
glScissor((int)pcmd->ClipRect.x, (int)(height - pcmd->ClipRect.w), (int)(pcmd->ClipRect.z - pcmd->ClipRect.x), (int)(pcmd->ClipRect.w - pcmd->ClipRect.y));
|
||||
glDrawElements(GL_TRIANGLES, (GLsizei)pcmd->ElemCount, GL_UNSIGNED_SHORT, idx_buffer);
|
||||
glDrawElements(GL_TRIANGLES, (GLsizei)pcmd->ElemCount, GL_UNSIGNED_SHORT, idx_buffer_offset);
|
||||
}
|
||||
idx_buffer += pcmd->ElemCount;
|
||||
idx_buffer_offset += pcmd->ElemCount;
|
||||
}
|
||||
}
|
||||
|
||||
// Restore modified state
|
||||
glBindVertexArray(0);
|
||||
glBindBuffer(GL_ARRAY_BUFFER, 0);
|
||||
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0);
|
||||
glUseProgram(last_program);
|
||||
glDisable(GL_SCISSOR_TEST);
|
||||
glBindTexture(GL_TEXTURE_2D, last_texture);
|
||||
@ -212,6 +216,7 @@ bool ImGui_ImplGlfwGL3_CreateDeviceObjects()
|
||||
g_AttribLocationColor = glGetAttribLocation(g_ShaderHandle, "Color");
|
||||
|
||||
glGenBuffers(1, &g_VboHandle);
|
||||
glGenBuffers(1, &g_ElementsHandle);
|
||||
|
||||
glGenVertexArrays(1, &g_VaoHandle);
|
||||
glBindVertexArray(g_VaoHandle);
|
||||
@ -280,6 +285,8 @@ void ImGui_ImplGlfwGL3_Shutdown()
|
||||
{
|
||||
if (g_VaoHandle) glDeleteVertexArrays(1, &g_VaoHandle);
|
||||
if (g_VboHandle) glDeleteBuffers(1, &g_VboHandle);
|
||||
if (g_ElementsHandle) glDeleteBuffers(1, &g_ElementsHandle);
|
||||
g_ElementsHandle = 0;
|
||||
g_VaoHandle = 0;
|
||||
g_VboHandle = 0;
|
||||
|
||||
|
Loading…
Reference in New Issue
Block a user