This commit is contained in:
Clownacy 2020-04-21 03:34:59 +01:00
parent e687c502a9
commit 00792413f8

View file

@ -280,17 +280,15 @@ RenderBackend_Surface* RenderBackend_CreateSurface(unsigned int width, unsigned
GX2CalcSurfaceSizeAndAlignment(&surface->texture.surface);
GX2InitTextureRegs(&surface->texture);
if (GX2RCreateSurface(&surface->texture.surface, (GX2RResourceFlags)(GX2R_RESOURCE_BIND_TEXTURE | GX2R_RESOURCE_BIND_COLOR_BUFFER | GX2R_RESOURCE_USAGE_CPU_WRITE | GX2R_RESOURCE_USAGE_CPU_READ |
GX2R_RESOURCE_USAGE_GPU_WRITE | GX2R_RESOURCE_USAGE_GPU_READ)))
{
// Initialise colour buffer (needed so the texture can be drawn to)
memset(&surface->colour_buffer, 0, sizeof(surface->colour_buffer));
surface->colour_buffer.surface = surface->texture.surface;
surface->colour_buffer.viewNumSlices = 1;
GX2InitColorBufferRegs(&surface->colour_buffer);
if (GX2RCreateSurface(&surface->texture.surface, (GX2RResourceFlags)(GX2R_RESOURCE_BIND_TEXTURE | GX2R_RESOURCE_BIND_COLOR_BUFFER |
GX2R_RESOURCE_USAGE_CPU_WRITE | GX2R_RESOURCE_USAGE_CPU_READ |
GX2R_RESOURCE_USAGE_GPU_WRITE | GX2R_RESOURCE_USAGE_GPU_READ)))
{
if (GX2RCreateSurfaceUserMemory(&surface->colour_buffer.surface, (uint8_t*)surface->texture.surface.image, (uint8_t*)surface->texture.surface.mipmaps, surface->texture.surface.resourceFlags))
return surface;
@ -329,6 +327,8 @@ unsigned char* RenderBackend_LockSurface(RenderBackend_Surface *surface, unsigne
{
if (surface != NULL)
{
// Create an RGB24 buffer (this backend uses RGBA32 internally,
// so we can't just lock the texture
surface->lock_buffer = (unsigned char*)malloc(width * height * 3);
*pitch = width * 3;
@ -449,6 +449,7 @@ void RenderBackend_ColourFill(RenderBackend_Surface *surface, const RenderBacken
// Make sure the buffers aren't currently being used before we modify them
GX2DrawDone();
// Set vertex position buffer
float *position_pointer = (float*)GX2RLockBufferEx(&vertex_position_buffer, (GX2RResourceFlags)0);
position_pointer[0] = rect->left;
position_pointer[1] = rect->top;
@ -458,6 +459,7 @@ void RenderBackend_ColourFill(RenderBackend_Surface *surface, const RenderBacken
position_pointer[5] = rect->bottom;
position_pointer[6] = rect->left;
position_pointer[7] = rect->bottom;
for (unsigned int i = 0; i < 8; i += 2)
{
position_pointer[i + 0] /= surface->width;
@ -468,22 +470,27 @@ void RenderBackend_ColourFill(RenderBackend_Surface *surface, const RenderBacken
position_pointer[i + 1] *= -2.0f;
position_pointer[i + 1] += 1.0f;
}
GX2RUnlockBufferEx(&vertex_position_buffer, (GX2RResourceFlags)0);
// Draw to the selected texture, instead of the screen
GX2SetColorBuffer(&surface->colour_buffer, GX2_RENDER_TARGET_0);
GX2SetViewport(0, 0, (float)surface->colour_buffer.surface.width, (float)surface->colour_buffer.surface.height, 0.0f, 1.0f);
GX2SetScissor(0, 0, (float)surface->colour_buffer.surface.width, (float)surface->colour_buffer.surface.height);
float uniform_colours[4] = {red / 255.0f, green / 255.0f, blue / 255.0f, 1.0f};
// Set the colour-fill... colour
const float uniform_colours[4] = {red / 255.0f, green / 255.0f, blue / 255.0f, 1.0f};
GX2SetPixelUniformReg(colour_fill_shader.pixelShader->uniformVars[0].offset, 4, (uint32_t*)&uniform_colours);
// Bind the colour-fill shader
GX2SetFetchShader(&colour_fill_shader.fetchShader);
GX2SetVertexShader(colour_fill_shader.vertexShader);
GX2SetPixelShader(colour_fill_shader.pixelShader);
// Bind misc. data
GX2RSetAttributeBuffer(&vertex_position_buffer, 0, vertex_position_buffer.elemSize, 0);
// Draw
GX2DrawEx(GX2_PRIMITIVE_MODE_QUADS, 4, 0, 1);
}