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i915: init shader caps

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Acked-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
Acked-by: Marek Olšák <marek.olsak@amd.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/33176>
This commit is contained in:
Qiang Yu
2025-01-17 11:11:07 +08:00
parent a0a6b70666
commit 29d0b4ccde
1 changed files with 49 additions and 0 deletions
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src/gallium/drivers/i915/i915_screen.c
+49
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@@ -392,6 +392,54 @@ i915_get_shader_param(struct pipe_screen *screen, enum pipe_shader_type shader,
}
}
static void
i915_init_shader_caps(struct i915_screen *is)
{
struct pipe_shader_caps *caps =
(struct pipe_shader_caps *)&is->base.shader_caps[PIPE_SHADER_VERTEX];
draw_init_shader_caps(caps);
caps->supported_irs = (1 << PIPE_SHADER_IR_NIR) | (1 << PIPE_SHADER_IR_TGSI);
/* mesa/st requires that this cap is the same across stages, and the FS
* can't do ints.
*/
caps->integers = false;
/* i915 can't do these, and even if gallivm NIR can we call nir_to_tgsi
* manually and TGSI can't.
*/
caps->int16 = false;
caps->fp16 = false;
caps->fp16_derivatives = false;
caps->fp16_const_buffers = false;
/* While draw could normally handle this for the VS, the NIR lowering
* to regs can't handle our non-native-integers, so we have to lower to
* if ladders.
*/
caps->indirect_temp_addr = false;
caps->max_texture_samplers = false;
caps->max_sampler_views = false;
caps->max_shader_buffers = false;
caps->max_shader_images = false;
caps = (struct pipe_shader_caps *)&is->base.shader_caps[PIPE_SHADER_FRAGMENT];
caps->supported_irs = (1 << PIPE_SHADER_IR_NIR) | (1 << PIPE_SHADER_IR_TGSI);
/* XXX: some of these are just shader model 2.0 values, fix this! */
caps->max_instructions = I915_MAX_ALU_INSN + I915_MAX_TEX_INSN;
caps->max_alu_instructions = I915_MAX_ALU_INSN;
caps->max_tex_instructions = I915_MAX_TEX_INSN;
caps->max_tex_indirections = 4;
caps->max_inputs = 10;
caps->max_outputs = 1;
caps->max_const_buffer0_size = 32 * sizeof(float[4]);
caps->max_const_buffers = 1;
/* 16 inter-phase temps, 3 intra-phase temps. i915c reported 16. too. */
caps->max_temps = 16;
caps->max_texture_samplers =
caps->max_sampler_views = I915_TEX_UNITS;
}
static void
i915_init_screen_caps(struct i915_screen *is)
{
@@ -655,6 +703,7 @@ i915_screen_create(struct i915_winsys *iws)
i915_init_screen_resource_functions(is);
i915_init_shader_caps(is);
i915_init_screen_caps(is);
i915_debug_init(is);