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Change software renderer backend API

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This commit is contained in:
Clownacy 2020-04-15 21:59:23 +01:00
parent 7ca33677f8
commit 8524d1e349
3 changed files with 27 additions and 14 deletions
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15
src/Backends/GLFW3/Window-Software.cpp
View file

@ -24,7 +24,7 @@ static float framebuffer_y_ratio;
static GLuint screen_texture_id;
unsigned char* WindowBackend_Software_CreateWindow(const char *window_title, int screen_width, int screen_height, bool fullscreen, size_t *pitch)
bool WindowBackend_Software_CreateWindow(const char *window_title, int screen_width, int screen_height, bool fullscreen)
{
glfwWindowHint(GLFW_CLIENT_API, GLFW_OPENGL_API);
glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 1);
@ -81,18 +81,16 @@ unsigned char* WindowBackend_Software_CreateWindow(const char *window_title, int
framebuffer = (unsigned char*)malloc(framebuffer_width * framebuffer_height * 3);
*pitch = framebuffer_width * 3;
Backend_PostWindowCreation();
return framebuffer;
return true;
}
else
{
Backend_ShowMessageBox("Fatal error (OpenGL rendering backend)", "Could not create window");
}
return NULL;
return false;
}
void WindowBackend_Software_DestroyWindow(void)
@ -102,6 +100,13 @@ void WindowBackend_Software_DestroyWindow(void)
glfwDestroyWindow(window);
}
unsigned char* WindowBackend_Software_GetFramebuffer(size_t *pitch)
{
*pitch = framebuffer_width * 3;
return framebuffer;
}
void WindowBackend_Software_Display(void)
{
glClear(GL_COLOR_BUFFER_BIT);

23
src/Backends/Rendering/Software.cpp
View file

@ -33,19 +33,22 @@ static RenderBackend_Surface *glyph_destination_surface;
RenderBackend_Surface* RenderBackend_Init(const char *window_title, int screen_width, int screen_height, bool fullscreen)
{
size_t pitch;
framebuffer.pixels = WindowBackend_Software_CreateWindow(window_title, screen_width, screen_height, fullscreen, &pitch);
framebuffer.width = screen_width;
framebuffer.height = screen_height;
framebuffer.pitch = pitch;
if (WindowBackend_Software_CreateWindow(window_title, screen_width, screen_height, fullscreen))
{
size_t pitch;
framebuffer.pixels = WindowBackend_Software_GetFramebuffer(&pitch);
framebuffer.width = screen_width;
framebuffer.height = screen_height;
framebuffer.pitch = pitch;
if (framebuffer.pixels == NULL)
return &framebuffer;
}
else
{
Backend_PrintError("Failed to create window");
return NULL;
}
return &framebuffer;
return NULL;
}
void RenderBackend_Deinit(void)
@ -56,6 +59,10 @@ void RenderBackend_Deinit(void)
void RenderBackend_DrawScreen(void)
{
WindowBackend_Software_Display();
size_t pitch;
framebuffer.pixels = WindowBackend_Software_GetFramebuffer(&pitch);
framebuffer.pitch = pitch;
}
RenderBackend_Surface* RenderBackend_CreateSurface(unsigned int width, unsigned int height)

3
src/Backends/Window-Software.h
View file

@ -2,7 +2,8 @@
#include <stddef.h>
unsigned char* WindowBackend_Software_CreateWindow(const char *window_title, int screen_width, int screen_height, bool fullscreen, size_t *pitch);
bool WindowBackend_Software_CreateWindow(const char *window_title, int screen_width, int screen_height, bool fullscreen);
void WindowBackend_Software_DestroyWindow(void);
unsigned char* WindowBackend_Software_GetFramebuffer(size_t *pitch);
void WindowBackend_Software_Display(void);
void WindowBackend_Software_HandleWindowResize(unsigned int width, unsigned int height);