GPU: AMD: Remove workaround that doesn't work

This commit is contained in:
Germano Cavalcante 2019-09-18 12:33:00 -03:00
parent f9beb1bef1
commit 77f1f13663
3 changed files with 0 additions and 38 deletions

View File

@ -36,10 +36,6 @@ uniform int baseInstance;
# ifdef IN_PLACE_INSTANCES
/* When drawing instances of an object at the same position. */
# define instanceId 0
# elif defined(GPU_CRAPPY_AMD_DRIVER)
/* NOTE: This does contain the baseInstance ofset */
in int _instanceId;
# define instanceId (_instanceId - baseInstance)
# else
# define instanceId gl_InstanceID
# endif

View File

@ -447,34 +447,6 @@ static void create_bindings(GPUVertBuf *verts,
}
}
static void instance_id_workaround(GPUBatch *batch)
{
/**
* A driver bug make it so that when using an attribute with GL_INT_2_10_10_10_REV as format,
* the gl_InstanceID is incremented by the 2 bit component of the attrib. To workaround this,
* we create a new vertex attrib containing the expected value of gl_InstanceID.
**/
const GPUShaderInput *input = GPU_shaderinterface_attr(batch->interface, "_instanceId");
if (input) {
#define DRW_RESOURCE_CHUNK_LEN 512 /* Keep in sync. */
static GLint vbo_id = 0;
if (vbo_id == 0) {
short data[DRW_RESOURCE_CHUNK_LEN];
for (int i = 0; i < DRW_RESOURCE_CHUNK_LEN; i++) {
data[i] = i;
}
/* GPU_context takes care of deleting `vbo_id` at the end. */
vbo_id = GPU_buf_alloc();
glBindBuffer(GL_ARRAY_BUFFER, vbo_id);
glBufferData(GL_ARRAY_BUFFER, sizeof(data), data, GL_STATIC_DRAW);
}
glBindBuffer(GL_ARRAY_BUFFER, vbo_id);
glEnableVertexAttribArray(input->location);
glVertexAttribIPointer(input->location, 1, GL_SHORT, 0, NULL);
glVertexAttribDivisor(input->location, 1);
}
}
static void batch_update_program_bindings(GPUBatch *batch, uint i_first)
{
/* Reverse order so first vbos have more prevalence (in term of attrib override). */
@ -489,9 +461,6 @@ static void batch_update_program_bindings(GPUBatch *batch, uint i_first)
if (batch->elem) {
GPU_indexbuf_use(batch->elem);
}
if (GPU_crappy_amd_driver()) {
instance_id_workaround(batch);
}
}
void GPU_batch_program_use_begin(GPUBatch *batch)

View File

@ -258,9 +258,6 @@ static void gpu_shader_standard_defines(char defines[MAX_DEFINE_LENGTH])
/* some useful defines to detect GPU type */
if (GPU_type_matches(GPU_DEVICE_ATI, GPU_OS_ANY, GPU_DRIVER_ANY)) {
strcat(defines, "#define GPU_ATI\n");
if (GPU_crappy_amd_driver()) {
strcat(defines, "#define GPU_CRAPPY_AMD_DRIVER\n");
}
}
else if (GPU_type_matches(GPU_DEVICE_NVIDIA, GPU_OS_ANY, GPU_DRIVER_ANY)) {
strcat(defines, "#define GPU_NVIDIA\n");